[INFO] fetching crate microbench 0.5.0...
[INFO] testing microbench-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate microbench 0.5.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate microbench 0.5.0 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 crates.io crate microbench 0.5.0
[INFO] finished tweaking crates.io crate microbench 0.5.0
[INFO] tweaked toml for crates.io crate microbench 0.5.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 115bdfccfb2bbc994c39547501b23b8cfdb04423c5b0dc22aa4885d0a0188084
[INFO] running `Command { std: "docker" "start" "-a" "115bdfccfb2bbc994c39547501b23b8cfdb04423c5b0dc22aa4885d0a0188084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115bdfccfb2bbc994c39547501b23b8cfdb04423c5b0dc22aa4885d0a0188084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115bdfccfb2bbc994c39547501b23b8cfdb04423c5b0dc22aa4885d0a0188084", kill_on_drop: false }`
[INFO] [stdout] 115bdfccfb2bbc994c39547501b23b8cfdb04423c5b0dc22aa4885d0a0188084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 63e003f4d1d0a1f0449adaa82c344856a8380dc70e29b550a858d27ecf13ad62
[INFO] running `Command { std: "docker" "start" "-a" "63e003f4d1d0a1f0449adaa82c344856a8380dc70e29b550a858d27ecf13ad62", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbench v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "63e003f4d1d0a1f0449adaa82c344856a8380dc70e29b550a858d27ecf13ad62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e003f4d1d0a1f0449adaa82c344856a8380dc70e29b550a858d27ecf13ad62", kill_on_drop: false }`
[INFO] [stdout] 63e003f4d1d0a1f0449adaa82c344856a8380dc70e29b550a858d27ecf13ad62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 00cd6f76c37583caed53fd4fe260729df8e7601cbd296f52bb66e01aa616bd68
[INFO] running `Command { std: "docker" "start" "-a" "00cd6f76c37583caed53fd4fe260729df8e7601cbd296f52bb66e01aa616bd68", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbench v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "00cd6f76c37583caed53fd4fe260729df8e7601cbd296f52bb66e01aa616bd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cd6f76c37583caed53fd4fe260729df8e7601cbd296f52bb66e01aa616bd68", kill_on_drop: false }`
[INFO] [stdout] 00cd6f76c37583caed53fd4fe260729df8e7601cbd296f52bb66e01aa616bd68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 9b2a4e870194cb9a145224e8501c55857ed225d5f44c438035c00aa89ed42621
[INFO] running `Command { std: "docker" "start" "-a" "9b2a4e870194cb9a145224e8501c55857ed225d5f44c438035c00aa89ed42621", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/microbench-0587ee283b191a50)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test statistics::tests::test_kahan ... ok
[INFO] [stdout] test statistics::tests::test_model ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests microbench
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b2a4e870194cb9a145224e8501c55857ed225d5f44c438035c00aa89ed42621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2a4e870194cb9a145224e8501c55857ed225d5f44c438035c00aa89ed42621", kill_on_drop: false }`
[INFO] [stdout] 9b2a4e870194cb9a145224e8501c55857ed225d5f44c438035c00aa89ed42621