[INFO] cloning repository https://github.com/learning2rust/calc_it
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learning2rust/calc_it" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearning2rust%2Fcalc_it", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearning2rust%2Fcalc_it'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d41d7b1289b67b05a3985e8a8b8257c1ae86b254
[INFO] testing learning2rust/calc_it against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearning2rust%2Fcalc_it" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learning2rust/calc_it 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/learning2rust/calc_it
[INFO] finished tweaking git repo https://github.com/learning2rust/calc_it
[INFO] tweaked toml for git repo https://github.com/learning2rust/calc_it written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/learning2rust/calc_it 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f8ea571e2ef95a745fe9c621cb6b028a5abf31ece95d7681eec090dbd25663c8
[INFO] running `Command { std: "docker" "start" "-a" "f8ea571e2ef95a745fe9c621cb6b028a5abf31ece95d7681eec090dbd25663c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8ea571e2ef95a745fe9c621cb6b028a5abf31ece95d7681eec090dbd25663c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ea571e2ef95a745fe9c621cb6b028a5abf31ece95d7681eec090dbd25663c8", kill_on_drop: false }`
[INFO] [stdout] f8ea571e2ef95a745fe9c621cb6b028a5abf31ece95d7681eec090dbd25663c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9aa5e37ad5263b7939d3416d27584600f242519524bbb8bf9eaf0da9088e31b8
[INFO] running `Command { std: "docker" "start" "-a" "9aa5e37ad5263b7939d3416d27584600f242519524bbb8bf9eaf0da9088e31b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling calc_it v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "9aa5e37ad5263b7939d3416d27584600f242519524bbb8bf9eaf0da9088e31b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa5e37ad5263b7939d3416d27584600f242519524bbb8bf9eaf0da9088e31b8", kill_on_drop: false }`
[INFO] [stdout] 9aa5e37ad5263b7939d3416d27584600f242519524bbb8bf9eaf0da9088e31b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 69799fa1f3b3064490e2a74770c4be5870567b67a2b5d1ba938961faa41f6570
[INFO] running `Command { std: "docker" "start" "-a" "69799fa1f3b3064490e2a74770c4be5870567b67a2b5d1ba938961faa41f6570", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc_it v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "69799fa1f3b3064490e2a74770c4be5870567b67a2b5d1ba938961faa41f6570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69799fa1f3b3064490e2a74770c4be5870567b67a2b5d1ba938961faa41f6570", kill_on_drop: false }`
[INFO] [stdout] 69799fa1f3b3064490e2a74770c4be5870567b67a2b5d1ba938961faa41f6570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 089fb89459b14cc80eb52ea7d206deadd2db83a2f210b6bc84f4fdbe47412dea
[INFO] running `Command { std: "docker" "start" "-a" "089fb89459b14cc80eb52ea7d206deadd2db83a2f210b6bc84f4fdbe47412dea", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc_it-8a51a3016d714f18)
[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" "089fb89459b14cc80eb52ea7d206deadd2db83a2f210b6bc84f4fdbe47412dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089fb89459b14cc80eb52ea7d206deadd2db83a2f210b6bc84f4fdbe47412dea", kill_on_drop: false }`
[INFO] [stdout] 089fb89459b14cc80eb52ea7d206deadd2db83a2f210b6bc84f4fdbe47412dea