[INFO] cloning repository https://github.com/cruor99/nickelapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cruor99/nickelapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcruor99%2Fnickelapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcruor99%2Fnickelapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4d5bde46897b0ce160c30f53422f23715d6c437
[INFO] documenting cruor99/nickelapp against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcruor99%2Fnickelapp" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cruor99/nickelapp on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cruor99/nickelapp
[INFO] finished tweaking git repo https://github.com/cruor99/nickelapp
[INFO] tweaked toml for git repo https://github.com/cruor99/nickelapp written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/cruor99/nickelapp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c2eebdbe32f4cbabb7f6951c4666e834597fb1c3576e96a306b78dece43fba
[INFO] running `Command { std: "docker" "start" "-a" "f5c2eebdbe32f4cbabb7f6951c4666e834597fb1c3576e96a306b78dece43fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c2eebdbe32f4cbabb7f6951c4666e834597fb1c3576e96a306b78dece43fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c2eebdbe32f4cbabb7f6951c4666e834597fb1c3576e96a306b78dece43fba", kill_on_drop: false }`
[INFO] [stdout] f5c2eebdbe32f4cbabb7f6951c4666e834597fb1c3576e96a306b78dece43fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05c57fa9c3a75a684beb3891979c51a2765cb3bc261ce3f2e6d1406c75a1f60
[INFO] running `Command { std: "docker" "start" "-a" "e05c57fa9c3a75a684beb3891979c51a2765cb3bc261ce3f2e6d1406c75a1f60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling winapi v0.2.4
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]    Compiling phf_shared v0.7.6
[INFO] [stderr]     Checking libc v0.2.1
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking httparse v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking unicase v1.0.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]     Checking bufstream v0.1.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]    Compiling advapi32-sys 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] [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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e05c57fa9c3a75a684beb3891979c51a2765cb3bc261ce3f2e6d1406c75a1f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05c57fa9c3a75a684beb3891979c51a2765cb3bc261ce3f2e6d1406c75a1f60", kill_on_drop: false }`
[INFO] [stdout] e05c57fa9c3a75a684beb3891979c51a2765cb3bc261ce3f2e6d1406c75a1f60
