[INFO] cloning repository https://github.com/codingxyz/dm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codingxyz/dm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingxyz%2Fdm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingxyz%2Fdm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b23b97948343da85610197e96d4e8eba7165c426
[INFO] checking codingxyz/dm against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingxyz%2Fdm" "/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/codingxyz/dm 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/codingxyz/dm
[INFO] finished tweaking git repo https://github.com/codingxyz/dm
[INFO] tweaked toml for git repo https://github.com/codingxyz/dm written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/codingxyz/dm 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] 92f2a83de29026742f5feba727a0cad1abe04cf2ae52924900fd82e7a0b87709
[INFO] running `Command { std: "docker" "start" "-a" "92f2a83de29026742f5feba727a0cad1abe04cf2ae52924900fd82e7a0b87709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f2a83de29026742f5feba727a0cad1abe04cf2ae52924900fd82e7a0b87709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f2a83de29026742f5feba727a0cad1abe04cf2ae52924900fd82e7a0b87709", kill_on_drop: false }`
[INFO] [stdout] 92f2a83de29026742f5feba727a0cad1abe04cf2ae52924900fd82e7a0b87709
[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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df7e367bd079e18ebf1ec5bc1b40a1d2462fcc72aaed849235a4cb2c39dda1e6
[INFO] running `Command { std: "docker" "start" "-a" "df7e367bd079e18ebf1ec5bc1b40a1d2462fcc72aaed849235a4cb2c39dda1e6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.15
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.2.1
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memchr v0.1.3
[INFO] [stderr]     Checking errno v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.3.0
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:201:41
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "df7e367bd079e18ebf1ec5bc1b40a1d2462fcc72aaed849235a4cb2c39dda1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7e367bd079e18ebf1ec5bc1b40a1d2462fcc72aaed849235a4cb2c39dda1e6", kill_on_drop: false }`
[INFO] [stdout] df7e367bd079e18ebf1ec5bc1b40a1d2462fcc72aaed849235a4cb2c39dda1e6
