[INFO] cloning repository https://github.com/tobincooney/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobincooney/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobincooney%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobincooney%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1ca89f014dc3b012effe904560ffd133b522c97
[INFO] testing tobincooney/learning-rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobincooney%2Flearning-rust" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tobincooney/learning-rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tobincooney/learning-rust
[INFO] finished tweaking git repo https://github.com/tobincooney/learning-rust
[INFO] tweaked toml for git repo https://github.com/tobincooney/learning-rust written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/tobincooney/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41827338da9b7b7a9298f7c4715ebf8aeca2d1c9703f2fdf7425171fc6069223
[INFO] running `Command { std: "docker" "start" "-a" "41827338da9b7b7a9298f7c4715ebf8aeca2d1c9703f2fdf7425171fc6069223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41827338da9b7b7a9298f7c4715ebf8aeca2d1c9703f2fdf7425171fc6069223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41827338da9b7b7a9298f7c4715ebf8aeca2d1c9703f2fdf7425171fc6069223", kill_on_drop: false }`
[INFO] [stdout] 41827338da9b7b7a9298f7c4715ebf8aeca2d1c9703f2fdf7425171fc6069223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ddcee298b0d96067304ccd2d150bd2c4a76920c62ca9ee24c7aafc3974ea9ec
[INFO] running `Command { std: "docker" "start" "-a" "8ddcee298b0d96067304ccd2d150bd2c4a76920c62ca9ee24c7aafc3974ea9ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "8ddcee298b0d96067304ccd2d150bd2c4a76920c62ca9ee24c7aafc3974ea9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddcee298b0d96067304ccd2d150bd2c4a76920c62ca9ee24c7aafc3974ea9ec", kill_on_drop: false }`
[INFO] [stdout] 8ddcee298b0d96067304ccd2d150bd2c4a76920c62ca9ee24c7aafc3974ea9ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c55290f955426cf8ff6179cae6f6c94c2f60aa9df53798564280746aedfd32b7
[INFO] running `Command { std: "docker" "start" "-a" "c55290f955426cf8ff6179cae6f6c94c2f60aa9df53798564280746aedfd32b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "c55290f955426cf8ff6179cae6f6c94c2f60aa9df53798564280746aedfd32b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55290f955426cf8ff6179cae6f6c94c2f60aa9df53798564280746aedfd32b7", kill_on_drop: false }`
[INFO] [stdout] c55290f955426cf8ff6179cae6f6c94c2f60aa9df53798564280746aedfd32b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7516d6c8f96b31a41f6e7417e62bab3fa8664d2130a08f89a136fb5c4736743b
[INFO] running `Command { std: "docker" "start" "-a" "7516d6c8f96b31a41f6e7417e62bab3fa8664d2130a08f89a136fb5c4736743b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust-763b934656f1da6e)
[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" "7516d6c8f96b31a41f6e7417e62bab3fa8664d2130a08f89a136fb5c4736743b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7516d6c8f96b31a41f6e7417e62bab3fa8664d2130a08f89a136fb5c4736743b", kill_on_drop: false }`
[INFO] [stdout] 7516d6c8f96b31a41f6e7417e62bab3fa8664d2130a08f89a136fb5c4736743b