[INFO] cloning repository https://github.com/atobaum/miniwc-rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atobaum/miniwc-rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatobaum%2Fminiwc-rust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatobaum%2Fminiwc-rust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b657f252322340d3d92a704af66b14c973efdfc
[INFO] testing atobaum/miniwc-rust-tutorial 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%2Fatobaum%2Fminiwc-rust-tutorial" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atobaum/miniwc-rust-tutorial 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/atobaum/miniwc-rust-tutorial
[INFO] finished tweaking git repo https://github.com/atobaum/miniwc-rust-tutorial
[INFO] tweaked toml for git repo https://github.com/atobaum/miniwc-rust-tutorial written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/atobaum/miniwc-rust-tutorial 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f6a310bc213de1b7e2639f06cba0d61984b4bb1f18eb521f5d0ad43925c88bd0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6a310bc213de1b7e2639f06cba0d61984b4bb1f18eb521f5d0ad43925c88bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a310bc213de1b7e2639f06cba0d61984b4bb1f18eb521f5d0ad43925c88bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a310bc213de1b7e2639f06cba0d61984b4bb1f18eb521f5d0ad43925c88bd0", kill_on_drop: false }`
[INFO] [stdout] f6a310bc213de1b7e2639f06cba0d61984b4bb1f18eb521f5d0ad43925c88bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1dbae49ba1804bb3c751d916ea62e71a746f04c333a21ed496a55fd3b2e94538
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1dbae49ba1804bb3c751d916ea62e71a746f04c333a21ed496a55fd3b2e94538", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Coin`
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum Coin{
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "1dbae49ba1804bb3c751d916ea62e71a746f04c333a21ed496a55fd3b2e94538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbae49ba1804bb3c751d916ea62e71a746f04c333a21ed496a55fd3b2e94538", kill_on_drop: false }`
[INFO] [stdout] 1dbae49ba1804bb3c751d916ea62e71a746f04c333a21ed496a55fd3b2e94538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5509744e1ca7570b0483e7487697811fe5fa7cd43cb68e0f912eab5d197b72f9
[INFO] running `Command { std: "docker" "start" "-a" "5509744e1ca7570b0483e7487697811fe5fa7cd43cb68e0f912eab5d197b72f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Coin`
[INFO] [stdout]   --> src/main.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum Coin{
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "5509744e1ca7570b0483e7487697811fe5fa7cd43cb68e0f912eab5d197b72f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5509744e1ca7570b0483e7487697811fe5fa7cd43cb68e0f912eab5d197b72f9", kill_on_drop: false }`
[INFO] [stdout] 5509744e1ca7570b0483e7487697811fe5fa7cd43cb68e0f912eab5d197b72f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2c072a3ca47c39fc83d7edd4ca683256c77c59f52079e096ebb691baf8b6fb23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c072a3ca47c39fc83d7edd4ca683256c77c59f52079e096ebb691baf8b6fb23", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `Coin`
[INFO] [stderr]   --> src/main.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 | enum Coin{
[INFO] [stderr]    |      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `miniwc` (bin "miniwc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/miniwc-c5fc8167c7273320)
[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" "2c072a3ca47c39fc83d7edd4ca683256c77c59f52079e096ebb691baf8b6fb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c072a3ca47c39fc83d7edd4ca683256c77c59f52079e096ebb691baf8b6fb23", kill_on_drop: false }`
[INFO] [stdout] 2c072a3ca47c39fc83d7edd4ca683256c77c59f52079e096ebb691baf8b6fb23