[INFO] cloning repository https://github.com/Hordynski/chapter_3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hordynski/chapter_3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHordynski%2Fchapter_3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHordynski%2Fchapter_3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe7d2cbfeb17b2c088e6715b74c9a0b2f06097eb
[INFO] testing Hordynski/chapter_3 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%2FHordynski%2Fchapter_3" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hordynski/chapter_3 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/Hordynski/chapter_3
[INFO] finished tweaking git repo https://github.com/Hordynski/chapter_3
[INFO] tweaked toml for git repo https://github.com/Hordynski/chapter_3 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/Hordynski/chapter_3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] c1687480e170dd1daaaf73a7cbe13f3e0d74d4600bb958b6725a9b1a1d29088c
[INFO] running `Command { std: "docker" "start" "-a" "c1687480e170dd1daaaf73a7cbe13f3e0d74d4600bb958b6725a9b1a1d29088c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1687480e170dd1daaaf73a7cbe13f3e0d74d4600bb958b6725a9b1a1d29088c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1687480e170dd1daaaf73a7cbe13f3e0d74d4600bb958b6725a9b1a1d29088c", kill_on_drop: false }`
[INFO] [stdout] c1687480e170dd1daaaf73a7cbe13f3e0d74d4600bb958b6725a9b1a1d29088c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 9fef074b782fe6d504f53f721fc948e811c70f7a6012382c5a8d11a3447b9410
[INFO] running `Command { std: "docker" "start" "-a" "9fef074b782fe6d504f53f721fc948e811c70f7a6012382c5a8d11a3447b9410", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "9fef074b782fe6d504f53f721fc948e811c70f7a6012382c5a8d11a3447b9410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fef074b782fe6d504f53f721fc948e811c70f7a6012382c5a8d11a3447b9410", kill_on_drop: false }`
[INFO] [stdout] 9fef074b782fe6d504f53f721fc948e811c70f7a6012382c5a8d11a3447b9410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] c7dec0fba549d28b1d10e048bcc1d2138283c97a45a20775d6741d848aca66ad
[INFO] running `Command { std: "docker" "start" "-a" "c7dec0fba549d28b1d10e048bcc1d2138283c97a45a20775d6741d848aca66ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 47.47s
[INFO] running `Command { std: "docker" "inspect" "c7dec0fba549d28b1d10e048bcc1d2138283c97a45a20775d6741d848aca66ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7dec0fba549d28b1d10e048bcc1d2138283c97a45a20775d6741d848aca66ad", kill_on_drop: false }`
[INFO] [stdout] c7dec0fba549d28b1d10e048bcc1d2138283c97a45a20775d6741d848aca66ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 71338247c88fa9cff846ac079aae172d59f0ec5a595f3d91885c719afa09c5f5
[INFO] running `Command { std: "docker" "start" "-a" "71338247c88fa9cff846ac079aae172d59f0ec5a595f3d91885c719afa09c5f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variables-d055e05d11ffcb4c)
[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" "71338247c88fa9cff846ac079aae172d59f0ec5a595f3d91885c719afa09c5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71338247c88fa9cff846ac079aae172d59f0ec5a595f3d91885c719afa09c5f5", kill_on_drop: false }`
[INFO] [stdout] 71338247c88fa9cff846ac079aae172d59f0ec5a595f3d91885c719afa09c5f5