[INFO] cloning repository https://github.com/connors2015/rust-tutorial-chapter3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connors2015/rust-tutorial-chapter3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnors2015%2Frust-tutorial-chapter3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnors2015%2Frust-tutorial-chapter3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 559cac244fd777fdd17dedbf8211fa4cd769bcd2
[INFO] testing connors2015/rust-tutorial-chapter3 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%2Fconnors2015%2Frust-tutorial-chapter3" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connors2015/rust-tutorial-chapter3 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/connors2015/rust-tutorial-chapter3
[INFO] finished tweaking git repo https://github.com/connors2015/rust-tutorial-chapter3
[INFO] tweaked toml for git repo https://github.com/connors2015/rust-tutorial-chapter3 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/connors2015/rust-tutorial-chapter3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 09280afea64073277a102b7e88c1a6d99d1f70c690622c25c96070ed1985bc49
[INFO] running `Command { std: "docker" "start" "-a" "09280afea64073277a102b7e88c1a6d99d1f70c690622c25c96070ed1985bc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09280afea64073277a102b7e88c1a6d99d1f70c690622c25c96070ed1985bc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09280afea64073277a102b7e88c1a6d99d1f70c690622c25c96070ed1985bc49", kill_on_drop: false }`
[INFO] [stdout] 09280afea64073277a102b7e88c1a6d99d1f70c690622c25c96070ed1985bc49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] be9422d3363ff20a32547e6ee5de77b3c7f5b60d857ba093bdb5f7c260c5b68c
[INFO] running `Command { std: "docker" "start" "-a" "be9422d3363ff20a32547e6ee5de77b3c7f5b60d857ba093bdb5f7c260c5b68c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-tutorial-chapter3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "be9422d3363ff20a32547e6ee5de77b3c7f5b60d857ba093bdb5f7c260c5b68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9422d3363ff20a32547e6ee5de77b3c7f5b60d857ba093bdb5f7c260c5b68c", kill_on_drop: false }`
[INFO] [stdout] be9422d3363ff20a32547e6ee5de77b3c7f5b60d857ba093bdb5f7c260c5b68c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] f54b0fdf494d2658691b99fd19d5c8304ec5606300af7d3a8d5eda391f1ea37b
[INFO] running `Command { std: "docker" "start" "-a" "f54b0fdf494d2658691b99fd19d5c8304ec5606300af7d3a8d5eda391f1ea37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tutorial-chapter3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "f54b0fdf494d2658691b99fd19d5c8304ec5606300af7d3a8d5eda391f1ea37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54b0fdf494d2658691b99fd19d5c8304ec5606300af7d3a8d5eda391f1ea37b", kill_on_drop: false }`
[INFO] [stdout] f54b0fdf494d2658691b99fd19d5c8304ec5606300af7d3a8d5eda391f1ea37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 8fb775d05aeb3e06726532c390a08181fc2bc7123e211355288730a9a251b5f5
[INFO] running `Command { std: "docker" "start" "-a" "8fb775d05aeb3e06726532c390a08181fc2bc7123e211355288730a9a251b5f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tutorial_chapter3-e76a1fbd53c7ee90)
[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" "8fb775d05aeb3e06726532c390a08181fc2bc7123e211355288730a9a251b5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb775d05aeb3e06726532c390a08181fc2bc7123e211355288730a9a251b5f5", kill_on_drop: false }`
[INFO] [stdout] 8fb775d05aeb3e06726532c390a08181fc2bc7123e211355288730a9a251b5f5