[INFO] cloning repository https://github.com/seb-odessa/nickel-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seb-odessa/nickel-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fnickel-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fnickel-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 628d82d47f5ba1b52c69a8ae3a299a9537deba02
[INFO] documenting seb-odessa/nickel-demo against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fnickel-demo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seb-odessa/nickel-demo on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seb-odessa/nickel-demo
[INFO] finished tweaking git repo https://github.com/seb-odessa/nickel-demo
[INFO] tweaked toml for git repo https://github.com/seb-odessa/nickel-demo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/seb-odessa/nickel-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bef1bcd3baa11538e922477b5e4da6db2f0a55e2d9a3cb07cf7bf16091c6f897
[INFO] running `Command { std: "docker" "start" "-a" "bef1bcd3baa11538e922477b5e4da6db2f0a55e2d9a3cb07cf7bf16091c6f897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef1bcd3baa11538e922477b5e4da6db2f0a55e2d9a3cb07cf7bf16091c6f897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef1bcd3baa11538e922477b5e4da6db2f0a55e2d9a3cb07cf7bf16091c6f897", kill_on_drop: false }`
[INFO] [stdout] bef1bcd3baa11538e922477b5e4da6db2f0a55e2d9a3cb07cf7bf16091c6f897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 657a7cb09e618e7000d02239fd131b031e1818a7b262c77e5ef8774baecab7bd
[INFO] running `Command { std: "docker" "start" "-a" "657a7cb09e618e7000d02239fd131b031e1818a7b262c77e5ef8774baecab7bd", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking unicode-normalization v0.1.2
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking httparse v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.3.5
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[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-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking regex v0.1.77
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking idna v0.1.0
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "657a7cb09e618e7000d02239fd131b031e1818a7b262c77e5ef8774baecab7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657a7cb09e618e7000d02239fd131b031e1818a7b262c77e5ef8774baecab7bd", kill_on_drop: false }`
[INFO] [stdout] 657a7cb09e618e7000d02239fd131b031e1818a7b262c77e5ef8774baecab7bd
