[INFO] cloning repository https://github.com/antonyh/link-checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antonyh/link-checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonyh%2Flink-checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonyh%2Flink-checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f158aa665e79cad2b0f998fb5968f4ecb9204bf
[INFO] testing antonyh/link-checker against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonyh%2Flink-checker" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antonyh/link-checker on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antonyh/link-checker
[INFO] finished tweaking git repo https://github.com/antonyh/link-checker
[INFO] tweaked toml for git repo https://github.com/antonyh/link-checker written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/antonyh/link-checker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbff47587afd5dbe025c6d06f195f8765f0353443b52114c78a8633993ab68eb
[INFO] running `Command { std: "docker" "start" "-a" "cbff47587afd5dbe025c6d06f195f8765f0353443b52114c78a8633993ab68eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbff47587afd5dbe025c6d06f195f8765f0353443b52114c78a8633993ab68eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbff47587afd5dbe025c6d06f195f8765f0353443b52114c78a8633993ab68eb", kill_on_drop: false }`
[INFO] [stdout] cbff47587afd5dbe025c6d06f195f8765f0353443b52114c78a8633993ab68eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd5fa1901e3f32ec87e43055d89bb4765f5755fbedcefe7f64fb428c382cf61
[INFO] running `Command { std: "docker" "start" "-a" "4fd5fa1901e3f32ec87e43055d89bb4765f5755fbedcefe7f64fb428c382cf61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.6
[INFO] [stderr]    Compiling gcc v0.3.18
[INFO] [stderr]    Compiling winapi v0.2.4
[INFO] [stderr]    Compiling matches v0.1.2
[INFO] [stderr]    Compiling bitflags v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.1.15
[INFO] [stderr]    Compiling rustc-serialize v0.3.16
[INFO] [stderr]    Compiling language-tags v0.0.7
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling unicase v1.0.0
[INFO] [stderr]    Compiling httparse v1.0.0
[INFO] [stderr]    Compiling typeable v0.1.2
[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-0.3.16/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]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]    Compiling log v0.3.2
[INFO] [stderr]    Compiling num_cpus v0.2.6
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.6.6
[INFO] [stderr]    Compiling time v0.1.32
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4fd5fa1901e3f32ec87e43055d89bb4765f5755fbedcefe7f64fb428c382cf61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd5fa1901e3f32ec87e43055d89bb4765f5755fbedcefe7f64fb428c382cf61", kill_on_drop: false }`
[INFO] [stdout] 4fd5fa1901e3f32ec87e43055d89bb4765f5755fbedcefe7f64fb428c382cf61