[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 beta-2021-09-08 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-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learning2rust/calc_it on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 963a3a34d371b5c5755e0e0e10fd578c781188758c364fa2fe16290b0ee03fa9
[INFO] running `Command { std: "docker" "start" "-a" "963a3a34d371b5c5755e0e0e10fd578c781188758c364fa2fe16290b0ee03fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "963a3a34d371b5c5755e0e0e10fd578c781188758c364fa2fe16290b0ee03fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963a3a34d371b5c5755e0e0e10fd578c781188758c364fa2fe16290b0ee03fa9", kill_on_drop: false }`
[INFO] [stdout] 963a3a34d371b5c5755e0e0e10fd578c781188758c364fa2fe16290b0ee03fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7340a43f836d0e334f7b9136002322011d7c9e540d1a57a2eb22cf5f289d847b
[INFO] running `Command { std: "docker" "start" "-a" "7340a43f836d0e334f7b9136002322011d7c9e540d1a57a2eb22cf5f289d847b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[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 9.56s
[INFO] running `Command { std: "docker" "inspect" "7340a43f836d0e334f7b9136002322011d7c9e540d1a57a2eb22cf5f289d847b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7340a43f836d0e334f7b9136002322011d7c9e540d1a57a2eb22cf5f289d847b", kill_on_drop: false }`
[INFO] [stdout] 7340a43f836d0e334f7b9136002322011d7c9e540d1a57a2eb22cf5f289d847b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d32a8c050a8f70b4d134ec87b653e7e5854d422a0717cc5b43e52e753411b262
[INFO] running `Command { std: "docker" "start" "-a" "d32a8c050a8f70b4d134ec87b653e7e5854d422a0717cc5b43e52e753411b262", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc_it v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "d32a8c050a8f70b4d134ec87b653e7e5854d422a0717cc5b43e52e753411b262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32a8c050a8f70b4d134ec87b653e7e5854d422a0717cc5b43e52e753411b262", kill_on_drop: false }`
[INFO] [stdout] d32a8c050a8f70b4d134ec87b653e7e5854d422a0717cc5b43e52e753411b262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e2f021787a7ef5cce8103c6414985db3b945d1af6ff474e46f892cb57d89431
[INFO] running `Command { std: "docker" "start" "-a" "2e2f021787a7ef5cce8103c6414985db3b945d1af6ff474e46f892cb57d89431", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc_it-a4918cc806a4d6e7)
[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" "2e2f021787a7ef5cce8103c6414985db3b945d1af6ff474e46f892cb57d89431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2f021787a7ef5cce8103c6414985db3b945d1af6ff474e46f892cb57d89431", kill_on_drop: false }`
[INFO] [stdout] 2e2f021787a7ef5cce8103c6414985db3b945d1af6ff474e46f892cb57d89431