[INFO] cloning repository https://github.com/agaita/rust-the-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agaita/rust-the-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagaita%2Frust-the-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagaita%2Frust-the-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b603b6436e9f5858f06e3bd9480ff9b90c77590f
[INFO] testing agaita/rust-the-book 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%2Fagaita%2Frust-the-book" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agaita/rust-the-book 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/agaita/rust-the-book
[INFO] finished tweaking git repo https://github.com/agaita/rust-the-book
[INFO] tweaked toml for git repo https://github.com/agaita/rust-the-book written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/agaita/rust-the-book 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 3a912b8d4f166278d5ded219a1dc17aa6420fd742cec3a35b0539b78f57d3028
[INFO] running `Command { std: "docker" "start" "-a" "3a912b8d4f166278d5ded219a1dc17aa6420fd742cec3a35b0539b78f57d3028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a912b8d4f166278d5ded219a1dc17aa6420fd742cec3a35b0539b78f57d3028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a912b8d4f166278d5ded219a1dc17aa6420fd742cec3a35b0539b78f57d3028", kill_on_drop: false }`
[INFO] [stdout] 3a912b8d4f166278d5ded219a1dc17aa6420fd742cec3a35b0539b78f57d3028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 40338b1ffc36bbc70ad2f916febb3ecca773a8ef7d154e0e6245812b77bec326
[INFO] running `Command { std: "docker" "start" "-a" "40338b1ffc36bbc70ad2f916febb3ecca773a8ef7d154e0e6245812b77bec326", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling the-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "40338b1ffc36bbc70ad2f916febb3ecca773a8ef7d154e0e6245812b77bec326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40338b1ffc36bbc70ad2f916febb3ecca773a8ef7d154e0e6245812b77bec326", kill_on_drop: false }`
[INFO] [stdout] 40338b1ffc36bbc70ad2f916febb3ecca773a8ef7d154e0e6245812b77bec326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] dd80245dd3bc4e7be3bfa02bff1764a07ab7b81229c7a77bb91c2c9589276f1e
[INFO] running `Command { std: "docker" "start" "-a" "dd80245dd3bc4e7be3bfa02bff1764a07ab7b81229c7a77bb91c2c9589276f1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling the-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `Command { std: "docker" "inspect" "dd80245dd3bc4e7be3bfa02bff1764a07ab7b81229c7a77bb91c2c9589276f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd80245dd3bc4e7be3bfa02bff1764a07ab7b81229c7a77bb91c2c9589276f1e", kill_on_drop: false }`
[INFO] [stdout] dd80245dd3bc4e7be3bfa02bff1764a07ab7b81229c7a77bb91c2c9589276f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 65148a8f530c1de40e32195a325275e5106a01ffa995ed4271f48d942133810d
[INFO] running `Command { std: "docker" "start" "-a" "65148a8f530c1de40e32195a325275e5106a01ffa995ed4271f48d942133810d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/the_book-571da0dc95c52f98)
[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" "65148a8f530c1de40e32195a325275e5106a01ffa995ed4271f48d942133810d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65148a8f530c1de40e32195a325275e5106a01ffa995ed4271f48d942133810d", kill_on_drop: false }`
[INFO] [stdout] 65148a8f530c1de40e32195a325275e5106a01ffa995ed4271f48d942133810d