[INFO] cloning repository https://github.com/mschulteg/ch8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mschulteg/ch8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschulteg%2Fch8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschulteg%2Fch8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18f55279b991eb31f465256a7b95392cf815257a
[INFO] testing mschulteg/ch8-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschulteg%2Fch8-rs" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mschulteg/ch8-rs 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/mschulteg/ch8-rs
[INFO] finished tweaking git repo https://github.com/mschulteg/ch8-rs
[INFO] tweaked toml for git repo https://github.com/mschulteg/ch8-rs written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/mschulteg/ch8-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] edcda3e855c11a2ca97fe4d171789e3414a4f99f737ea6466596357f03a99915
[INFO] running `Command { std: "docker" "start" "-a" "edcda3e855c11a2ca97fe4d171789e3414a4f99f737ea6466596357f03a99915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edcda3e855c11a2ca97fe4d171789e3414a4f99f737ea6466596357f03a99915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcda3e855c11a2ca97fe4d171789e3414a4f99f737ea6466596357f03a99915", kill_on_drop: false }`
[INFO] [stdout] edcda3e855c11a2ca97fe4d171789e3414a4f99f737ea6466596357f03a99915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 1502b3fc2123d5f5646d0dcb599d0b4151963db9ac37c915d011ef1ff7362a9d
[INFO] running `Command { std: "docker" "start" "-a" "1502b3fc2123d5f5646d0dcb599d0b4151963db9ac37c915d011ef1ff7362a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling blip_buf-sys v0.1.4
[INFO] [stderr]    Compiling minifb v0.19.1
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling blip_buf v0.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling xkb v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling wayland-commons v0.27.0
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling wayland-cursor v0.27.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling ch8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.49s
[INFO] running `Command { std: "docker" "inspect" "1502b3fc2123d5f5646d0dcb599d0b4151963db9ac37c915d011ef1ff7362a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1502b3fc2123d5f5646d0dcb599d0b4151963db9ac37c915d011ef1ff7362a9d", kill_on_drop: false }`
[INFO] [stdout] 1502b3fc2123d5f5646d0dcb599d0b4151963db9ac37c915d011ef1ff7362a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 3b970fa92c9cb78a0b582b1a708fc5f7e8b0652fad01867bfe9fb63e0338f02c
[INFO] running `Command { std: "docker" "start" "-a" "3b970fa92c9cb78a0b582b1a708fc5f7e8b0652fad01867bfe9fb63e0338f02c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.44s
[INFO] running `Command { std: "docker" "inspect" "3b970fa92c9cb78a0b582b1a708fc5f7e8b0652fad01867bfe9fb63e0338f02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b970fa92c9cb78a0b582b1a708fc5f7e8b0652fad01867bfe9fb63e0338f02c", kill_on_drop: false }`
[INFO] [stdout] 3b970fa92c9cb78a0b582b1a708fc5f7e8b0652fad01867bfe9fb63e0338f02c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 81c6a2b5725a492296d6cf17a9ee89dd87749c6b23b31d82f9bb1e1eea72c36e
[INFO] running `Command { std: "docker" "start" "-a" "81c6a2b5725a492296d6cf17a9ee89dd87749c6b23b31d82f9bb1e1eea72c36e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ch8_rs-dd7f9b996057e134)
[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" "81c6a2b5725a492296d6cf17a9ee89dd87749c6b23b31d82f9bb1e1eea72c36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c6a2b5725a492296d6cf17a9ee89dd87749c6b23b31d82f9bb1e1eea72c36e", kill_on_drop: false }`
[INFO] [stdout] 81c6a2b5725a492296d6cf17a9ee89dd87749c6b23b31d82f9bb1e1eea72c36e