[INFO] cloning repository https://github.com/tim-lange1/rust_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tim-lange1/rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-lange1%2Frust_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-lange1%2Frust_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78cb120fe15203a53933b8665b5789eee28dc009
[INFO] testing tim-lange1/rust_book against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-lange1%2Frust_book" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  81% (1233/1514)
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Updating files: 100% (1514/1514), done.
[INFO] validating manifest of git repo https://github.com/tim-lange1/rust_book 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/tim-lange1/rust_book
[INFO] finished tweaking git repo https://github.com/tim-lange1/rust_book
[INFO] tweaked toml for git repo https://github.com/tim-lange1/rust_book written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/tim-lange1/rust_book 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 278a2ae65f9d63bf624242c19386d63cfbfad663c5af8e254c2a965b1f0e8ea7
[INFO] running `Command { std: "docker" "start" "-a" "278a2ae65f9d63bf624242c19386d63cfbfad663c5af8e254c2a965b1f0e8ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "278a2ae65f9d63bf624242c19386d63cfbfad663c5af8e254c2a965b1f0e8ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278a2ae65f9d63bf624242c19386d63cfbfad663c5af8e254c2a965b1f0e8ea7", kill_on_drop: false }`
[INFO] [stdout] 278a2ae65f9d63bf624242c19386d63cfbfad663c5af8e254c2a965b1f0e8ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] b4f0770b54466933af6a4ab04412828560a55941d2e2f75ef713b7ece5683b94
[INFO] running `Command { std: "docker" "start" "-a" "b4f0770b54466933af6a4ab04412828560a55941d2e2f75ef713b7ece5683b94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "b4f0770b54466933af6a4ab04412828560a55941d2e2f75ef713b7ece5683b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f0770b54466933af6a4ab04412828560a55941d2e2f75ef713b7ece5683b94", kill_on_drop: false }`
[INFO] [stdout] b4f0770b54466933af6a4ab04412828560a55941d2e2f75ef713b7ece5683b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 2480043e77c0b06b6ec0bfb5c9973f458e9eed361caf52216fddc1cbcfa2be74
[INFO] running `Command { std: "docker" "start" "-a" "2480043e77c0b06b6ec0bfb5c9973f458e9eed361caf52216fddc1cbcfa2be74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "2480043e77c0b06b6ec0bfb5c9973f458e9eed361caf52216fddc1cbcfa2be74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2480043e77c0b06b6ec0bfb5c9973f458e9eed361caf52216fddc1cbcfa2be74", kill_on_drop: false }`
[INFO] [stdout] 2480043e77c0b06b6ec0bfb5c9973f458e9eed361caf52216fddc1cbcfa2be74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 9fa5ddcc3e7b3e5f3180d27ac8d21bc4af2aa6fb7fe997e203e8e8aef8bf8f20
[INFO] running `Command { std: "docker" "start" "-a" "9fa5ddcc3e7b3e5f3180d27ac8d21bc4af2aa6fb7fe997e203e8e8aef8bf8f20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_book-efb57bf2658efcdb)
[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" "9fa5ddcc3e7b3e5f3180d27ac8d21bc4af2aa6fb7fe997e203e8e8aef8bf8f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa5ddcc3e7b3e5f3180d27ac8d21bc4af2aa6fb7fe997e203e8e8aef8bf8f20", kill_on_drop: false }`
[INFO] [stdout] 9fa5ddcc3e7b3e5f3180d27ac8d21bc4af2aa6fb7fe997e203e8e8aef8bf8f20