[INFO] cloning repository https://github.com/stefanholzmueller/rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanholzmueller/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanholzmueller%2Frust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanholzmueller%2Frust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d87cbaba6826c023bd003ee3e25f9ebc246247fa
[INFO] testing stefanholzmueller/rust-calculator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanholzmueller%2Frust-calculator" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefanholzmueller/rust-calculator 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/stefanholzmueller/rust-calculator
[INFO] finished tweaking git repo https://github.com/stefanholzmueller/rust-calculator
[INFO] tweaked toml for git repo https://github.com/stefanholzmueller/rust-calculator written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/stefanholzmueller/rust-calculator 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] ad28875be144bc769ace6ffbbc1d2de9ab504e3c21f5f7fcff09883007761e6b
[INFO] running `Command { std: "docker" "start" "-a" "ad28875be144bc769ace6ffbbc1d2de9ab504e3c21f5f7fcff09883007761e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad28875be144bc769ace6ffbbc1d2de9ab504e3c21f5f7fcff09883007761e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad28875be144bc769ace6ffbbc1d2de9ab504e3c21f5f7fcff09883007761e6b", kill_on_drop: false }`
[INFO] [stdout] ad28875be144bc769ace6ffbbc1d2de9ab504e3c21f5f7fcff09883007761e6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] c41e1059f14a3236af85b58c4f6c96c52dd90f86076764d7737607899114f2e8
[INFO] running `Command { std: "docker" "start" "-a" "c41e1059f14a3236af85b58c4f6c96c52dd90f86076764d7737607899114f2e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "c41e1059f14a3236af85b58c4f6c96c52dd90f86076764d7737607899114f2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41e1059f14a3236af85b58c4f6c96c52dd90f86076764d7737607899114f2e8", kill_on_drop: false }`
[INFO] [stdout] c41e1059f14a3236af85b58c4f6c96c52dd90f86076764d7737607899114f2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 25d5298b038de5171a5778df31ea4d30ac1de04104b510eece5d987f934f77c6
[INFO] running `Command { std: "docker" "start" "-a" "25d5298b038de5171a5778df31ea4d30ac1de04104b510eece5d987f934f77c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "25d5298b038de5171a5778df31ea4d30ac1de04104b510eece5d987f934f77c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d5298b038de5171a5778df31ea4d30ac1de04104b510eece5d987f934f77c6", kill_on_drop: false }`
[INFO] [stdout] 25d5298b038de5171a5778df31ea4d30ac1de04104b510eece5d987f934f77c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 66f0a7ab3cf374993534f32a411a4a7112a638bca768531dd0a03774d040a01b
[INFO] running `Command { std: "docker" "start" "-a" "66f0a7ab3cf374993534f32a411a4a7112a638bca768531dd0a03774d040a01b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_calculator-b93fcb062a953631)
[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" "66f0a7ab3cf374993534f32a411a4a7112a638bca768531dd0a03774d040a01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f0a7ab3cf374993534f32a411a4a7112a638bca768531dd0a03774d040a01b", kill_on_drop: false }`
[INFO] [stdout] 66f0a7ab3cf374993534f32a411a4a7112a638bca768531dd0a03774d040a01b