=====> T5558(threaded2) 438 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o T5558 T5558.hs -O -threaded -eventlog   >T5558.comp.stderr 2>&1
cd ./concurrent/should_run && for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100; do ./T5558  +RTS -N2 -ls -RTS  </dev/null >T5558.run.stdout 2>T5558.run.stderr || break; done
=====> T5421(normal) 439 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o T5421 T5421.hs    >T5421.comp.stderr 2>&1
cd ./concurrent/should_run && ./T5421    </dev/null >T5421.run.stdout 2>T5421.run.stderr
=====> T5611(normal) 440 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o T5611 T5611.hs    >T5611.comp.stderr 2>&1
cd ./concurrent/should_run && ./T5611    </dev/null >T5611.run.stdout 2>T5611.run.stderr
=====> T5238(normal) 441 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o T5238 T5238.hs    >T5238.comp.stderr 2>&1
cd ./concurrent/should_run && ./T5238    </dev/null >T5238.run.stdout 2>T5238.run.stderr
=====> T5866(normal) 442 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o T5866 T5866.hs    >T5866.comp.stderr 2>&1
cd ./concurrent/should_run && ./T5866    </dev/null >T5866.run.stdout 2>T5866.run.stderr
=====> readMVar1(normal) 443 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o readMVar1 readMVar1.hs    >readMVar1.comp.stderr 2>&1
cd ./concurrent/should_run && ./readMVar1    </dev/null >readMVar1.run.stdout 2>readMVar1.run.stderr
=====> readMVar2(normal) 444 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o readMVar2 readMVar2.hs    >readMVar2.comp.stderr 2>&1
cd ./concurrent/should_run && ./readMVar2    </dev/null >readMVar2.run.stdout 2>readMVar2.run.stderr
=====> readMVar3(normal) 445 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o readMVar3 readMVar3.hs    >readMVar3.comp.stderr 2>&1
cd ./concurrent/should_run && ./readMVar3    </dev/null >readMVar3.run.stdout 2>readMVar3.run.stderr
=====> tryReadMVar1(normal) 446 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o tryReadMVar1 tryReadMVar1.hs    >tryReadMVar1.comp.stderr 2>&1
cd ./concurrent/should_run && ./tryReadMVar1    </dev/null >tryReadMVar1.run.stdout 2>tryReadMVar1.run.stderr
=====> tryReadMVar2(normal) 447 of 4043 [0, 3, 0] 
cd ./concurrent/should_run && '/root/builder/builder/tempbuild/build/bindisttest/install   dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -o tryReadMVar2 tryReadMVar2.hs    >tryReadMVar2.comp.stderr 2>&1
Stdout "cd ./concurrent/should_run && ./tryReadMVar2    </dev/null >tr