[INFO] cloning repository https://github.com/Obonic/mathfun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Obonic/mathfun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FObonic%2Fmathfun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FObonic%2Fmathfun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 521325cc42724de7a2748866171e7a68cafa186c
[INFO] testing Obonic/mathfun against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FObonic%2Fmathfun" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Obonic/mathfun 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/Obonic/mathfun
[INFO] finished tweaking git repo https://github.com/Obonic/mathfun
[INFO] tweaked toml for git repo https://github.com/Obonic/mathfun written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/Obonic/mathfun 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] a5815f3fb0669c8da0166ddf8f05df520abdb10a876571e2b360f3087f9d7d07
[INFO] running `Command { std: "docker" "start" "-a" "a5815f3fb0669c8da0166ddf8f05df520abdb10a876571e2b360f3087f9d7d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5815f3fb0669c8da0166ddf8f05df520abdb10a876571e2b360f3087f9d7d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5815f3fb0669c8da0166ddf8f05df520abdb10a876571e2b360f3087f9d7d07", kill_on_drop: false }`
[INFO] [stdout] a5815f3fb0669c8da0166ddf8f05df520abdb10a876571e2b360f3087f9d7d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 4407fda315f5d8fee9041631b12d78bf79ee2fe917c055dd7790dea71d2dfe36
[INFO] running `Command { std: "docker" "start" "-a" "4407fda315f5d8fee9041631b12d78bf79ee2fe917c055dd7790dea71d2dfe36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mathfun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 05s
[INFO] running `Command { std: "docker" "inspect" "4407fda315f5d8fee9041631b12d78bf79ee2fe917c055dd7790dea71d2dfe36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4407fda315f5d8fee9041631b12d78bf79ee2fe917c055dd7790dea71d2dfe36", kill_on_drop: false }`
[INFO] [stdout] 4407fda315f5d8fee9041631b12d78bf79ee2fe917c055dd7790dea71d2dfe36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] f8113e00c5170220ed07b1f73fb893a0394b04d328b4baea72bdb36ad7521551
[INFO] running `Command { std: "docker" "start" "-a" "f8113e00c5170220ed07b1f73fb893a0394b04d328b4baea72bdb36ad7521551", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mathfun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.04s
[INFO] running `Command { std: "docker" "inspect" "f8113e00c5170220ed07b1f73fb893a0394b04d328b4baea72bdb36ad7521551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8113e00c5170220ed07b1f73fb893a0394b04d328b4baea72bdb36ad7521551", kill_on_drop: false }`
[INFO] [stdout] f8113e00c5170220ed07b1f73fb893a0394b04d328b4baea72bdb36ad7521551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 57362bb67af92f1cd3807b072334a07e04e174baceb61237e5c6a85cdf1e7c18
[INFO] running `Command { std: "docker" "start" "-a" "57362bb67af92f1cd3807b072334a07e04e174baceb61237e5c6a85cdf1e7c18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mathfun-b029b72d5c6c9244)
[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" "57362bb67af92f1cd3807b072334a07e04e174baceb61237e5c6a85cdf1e7c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57362bb67af92f1cd3807b072334a07e04e174baceb61237e5c6a85cdf1e7c18", kill_on_drop: false }`
[INFO] [stdout] 57362bb67af92f1cd3807b072334a07e04e174baceb61237e5c6a85cdf1e7c18