[INFO] cloning repository https://github.com/Samhaosss/mpi-pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Samhaosss/mpi-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamhaosss%2Fmpi-pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamhaosss%2Fmpi-pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17015eed6bf83e657e358997e97edf90e0428134
[INFO] testing Samhaosss/mpi-pi against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamhaosss%2Fmpi-pi" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Samhaosss/mpi-pi on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Samhaosss/mpi-pi
[INFO] finished tweaking git repo https://github.com/Samhaosss/mpi-pi
[INFO] tweaked toml for git repo https://github.com/Samhaosss/mpi-pi written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/Samhaosss/mpi-pi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bigdecimal v0.1.0
[INFO] [stderr]   Downloaded libloading v0.5.1
[INFO] [stderr]   Downloaded clang-sys v0.28.0
[INFO] [stderr]   Downloaded bindgen v0.49.2
[INFO] [stderr]   Downloaded structopt v0.2.17
[INFO] [stderr]   Downloaded structopt-derive v0.2.17
[INFO] [stderr]   Downloaded syn v0.15.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf7dfde0ccaa85c3b21167672188c543c45d5bd0bb2f7271fa62407a379c5efb
[INFO] running `Command { std: "docker" "start" "-a" "cf7dfde0ccaa85c3b21167672188c543c45d5bd0bb2f7271fa62407a379c5efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf7dfde0ccaa85c3b21167672188c543c45d5bd0bb2f7271fa62407a379c5efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7dfde0ccaa85c3b21167672188c543c45d5bd0bb2f7271fa62407a379c5efb", kill_on_drop: false }`
[INFO] [stdout] cf7dfde0ccaa85c3b21167672188c543c45d5bd0bb2f7271fa62407a379c5efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0995804b35dc166e7e5aea70ce7345f44f32ffcca2a8c2d666a009a4e83c92c
[INFO] running `Command { std: "docker" "start" "-a" "e0995804b35dc166e7e5aea70ce7345f44f32ffcca2a8c2d666a009a4e83c92c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling mpi v0.6.0 (https://github.com/bsteinb/rsmpi.git#f9aec8b8)
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling build-probe-mpi v0.1.1 (https://github.com/bsteinb/rsmpi.git#f9aec8b8)
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.17
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling structopt v0.2.17
[INFO] [stderr]    Compiling mpi-sys v0.2.0 (https://github.com/bsteinb/rsmpi.git#f9aec8b8)
[INFO] [stderr]    Compiling mpi-pi v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "e0995804b35dc166e7e5aea70ce7345f44f32ffcca2a8c2d666a009a4e83c92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0995804b35dc166e7e5aea70ce7345f44f32ffcca2a8c2d666a009a4e83c92c", kill_on_drop: false }`
[INFO] [stdout] e0995804b35dc166e7e5aea70ce7345f44f32ffcca2a8c2d666a009a4e83c92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2753efe02d13183063ca9684b06e473ab28f11dc44ae6c2f5a4ecbd773c9b377
[INFO] running `Command { std: "docker" "start" "-a" "2753efe02d13183063ca9684b06e473ab28f11dc44ae6c2f5a4ecbd773c9b377", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mpi-pi v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "2753efe02d13183063ca9684b06e473ab28f11dc44ae6c2f5a4ecbd773c9b377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2753efe02d13183063ca9684b06e473ab28f11dc44ae6c2f5a4ecbd773c9b377", kill_on_drop: false }`
[INFO] [stdout] 2753efe02d13183063ca9684b06e473ab28f11dc44ae6c2f5a4ecbd773c9b377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef5363c08c96494079e8c1b697f59ca481a32adb87ebacd6118ee6c75f8215f4
[INFO] running `Command { std: "docker" "start" "-a" "ef5363c08c96494079e8c1b697f59ca481a32adb87ebacd6118ee6c75f8215f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpi_pi-a59d7aa64d8b4176)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpi_pi-93f8ca0417a21812)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests mpi-pi
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef5363c08c96494079e8c1b697f59ca481a32adb87ebacd6118ee6c75f8215f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5363c08c96494079e8c1b697f59ca481a32adb87ebacd6118ee6c75f8215f4", kill_on_drop: false }`
[INFO] [stdout] ef5363c08c96494079e8c1b697f59ca481a32adb87ebacd6118ee6c75f8215f4