[INFO] cloning repository https://github.com/CGQAQ/rust_rpn_calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CGQAQ/rust_rpn_calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCGQAQ%2Frust_rpn_calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCGQAQ%2Frust_rpn_calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d435b0f374bdce4cf9b266d0c43357b55f2211c5
[INFO] testing CGQAQ/rust_rpn_calc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCGQAQ%2Frust_rpn_calc" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CGQAQ/rust_rpn_calc 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/CGQAQ/rust_rpn_calc
[INFO] finished tweaking git repo https://github.com/CGQAQ/rust_rpn_calc
[INFO] tweaked toml for git repo https://github.com/CGQAQ/rust_rpn_calc written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/CGQAQ/rust_rpn_calc 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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 458ffa4a1aec89b0a9128d4fb87a95f4f58ee9dfbfccd3d85581917b474c1a18
[INFO] running `Command { std: "docker" "start" "-a" "458ffa4a1aec89b0a9128d4fb87a95f4f58ee9dfbfccd3d85581917b474c1a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458ffa4a1aec89b0a9128d4fb87a95f4f58ee9dfbfccd3d85581917b474c1a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458ffa4a1aec89b0a9128d4fb87a95f4f58ee9dfbfccd3d85581917b474c1a18", kill_on_drop: false }`
[INFO] [stdout] 458ffa4a1aec89b0a9128d4fb87a95f4f58ee9dfbfccd3d85581917b474c1a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] b9fc02f9ed98d78337964f1932b63dc0a3cc375e3f96c7329acf03bbfe2ac029
[INFO] running `Command { std: "docker" "start" "-a" "b9fc02f9ed98d78337964f1932b63dc0a3cc375e3f96c7329acf03bbfe2ac029", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rpn_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "b9fc02f9ed98d78337964f1932b63dc0a3cc375e3f96c7329acf03bbfe2ac029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fc02f9ed98d78337964f1932b63dc0a3cc375e3f96c7329acf03bbfe2ac029", kill_on_drop: false }`
[INFO] [stdout] b9fc02f9ed98d78337964f1932b63dc0a3cc375e3f96c7329acf03bbfe2ac029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] f7c8cc4d54e11b4efc03be839c06b1c52a3e95b53f0849d0549c77015355fc1a
[INFO] running `Command { std: "docker" "start" "-a" "f7c8cc4d54e11b4efc03be839c06b1c52a3e95b53f0849d0549c77015355fc1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rpn_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "f7c8cc4d54e11b4efc03be839c06b1c52a3e95b53f0849d0549c77015355fc1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c8cc4d54e11b4efc03be839c06b1c52a3e95b53f0849d0549c77015355fc1a", kill_on_drop: false }`
[INFO] [stdout] f7c8cc4d54e11b4efc03be839c06b1c52a3e95b53f0849d0549c77015355fc1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] bb24388c25fd52c85df2c804c34993a6662236f2ee31c7b7bd1a409d65f614f8
[INFO] running `Command { std: "docker" "start" "-a" "bb24388c25fd52c85df2c804c34993a6662236f2ee31c7b7bd1a409d65f614f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpn_calc-9766d35c6c7689c1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_generate_rpn ... ok
[INFO] [stdout] test test_tokenizer ... 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] running `Command { std: "docker" "inspect" "bb24388c25fd52c85df2c804c34993a6662236f2ee31c7b7bd1a409d65f614f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb24388c25fd52c85df2c804c34993a6662236f2ee31c7b7bd1a409d65f614f8", kill_on_drop: false }`
[INFO] [stdout] bb24388c25fd52c85df2c804c34993a6662236f2ee31c7b7bd1a409d65f614f8