[INFO] cloning repository https://github.com/Wello6143/rust-guess-reboot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wello6143/rust-guess-reboot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWello6143%2Frust-guess-reboot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWello6143%2Frust-guess-reboot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38b8ef871e4203b1547c2ecfbb71902f178d43a5
[INFO] testing Wello6143/rust-guess-reboot 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%2FWello6143%2Frust-guess-reboot" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wello6143/rust-guess-reboot 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/Wello6143/rust-guess-reboot
[INFO] finished tweaking git repo https://github.com/Wello6143/rust-guess-reboot
[INFO] tweaked toml for git repo https://github.com/Wello6143/rust-guess-reboot written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Wello6143/rust-guess-reboot 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1dd769ddb5703a163d198c4d8bd40d0a0918c0bf7d6bf4a1741b8eaf3e299070
[INFO] running `Command { std: "docker" "start" "-a" "1dd769ddb5703a163d198c4d8bd40d0a0918c0bf7d6bf4a1741b8eaf3e299070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd769ddb5703a163d198c4d8bd40d0a0918c0bf7d6bf4a1741b8eaf3e299070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd769ddb5703a163d198c4d8bd40d0a0918c0bf7d6bf4a1741b8eaf3e299070", kill_on_drop: false }`
[INFO] [stdout] 1dd769ddb5703a163d198c4d8bd40d0a0918c0bf7d6bf4a1741b8eaf3e299070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 21aa7ec5bed12994c2d0f84b2e933bdecf74ca5044494da2a2154dc626774762
[INFO] running `Command { std: "docker" "start" "-a" "21aa7ec5bed12994c2d0f84b2e933bdecf74ca5044494da2a2154dc626774762", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "21aa7ec5bed12994c2d0f84b2e933bdecf74ca5044494da2a2154dc626774762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21aa7ec5bed12994c2d0f84b2e933bdecf74ca5044494da2a2154dc626774762", kill_on_drop: false }`
[INFO] [stdout] 21aa7ec5bed12994c2d0f84b2e933bdecf74ca5044494da2a2154dc626774762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d06561ae2798728abc7648b24639151bb5307f4b8abe915fdb2b2a563134c68f
[INFO] running `Command { std: "docker" "start" "-a" "d06561ae2798728abc7648b24639151bb5307f4b8abe915fdb2b2a563134c68f", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d06561ae2798728abc7648b24639151bb5307f4b8abe915fdb2b2a563134c68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06561ae2798728abc7648b24639151bb5307f4b8abe915fdb2b2a563134c68f", kill_on_drop: false }`
[INFO] [stdout] d06561ae2798728abc7648b24639151bb5307f4b8abe915fdb2b2a563134c68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8b83ed044ba003c4b6cce727cc2d080931d79087da1c4b11a57c0e29a2e4e114
[INFO] running `Command { std: "docker" "start" "-a" "8b83ed044ba003c4b6cce727cc2d080931d79087da1c4b11a57c0e29a2e4e114", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust-eda9e16dde8c98bd)
[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" "8b83ed044ba003c4b6cce727cc2d080931d79087da1c4b11a57c0e29a2e4e114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b83ed044ba003c4b6cce727cc2d080931d79087da1c4b11a57c0e29a2e4e114", kill_on_drop: false }`
[INFO] [stdout] 8b83ed044ba003c4b6cce727cc2d080931d79087da1c4b11a57c0e29a2e4e114