[INFO] cloning repository https://github.com/kennytm/custom_keylayout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennytm/custom_keylayout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcustom_keylayout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcustom_keylayout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdb3b874a96915b14070fabd0a01cfb460ec421e
[INFO] testing kennytm/custom_keylayout against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcustom_keylayout" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennytm/custom_keylayout on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kennytm/custom_keylayout
[INFO] finished tweaking git repo https://github.com/kennytm/custom_keylayout
[INFO] tweaked toml for git repo https://github.com/kennytm/custom_keylayout written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/kennytm/custom_keylayout already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded quick-error v0.1.4
[INFO] [stderr]   Downloaded serde_json v0.7.0
[INFO] [stderr]   Downloaded serde v0.7.0
[INFO] [stderr]   Downloaded itertools v0.4.12
[INFO] [stderr]   Downloaded mempool v0.3.1
[INFO] [stderr]   Downloaded docopt v0.6.80
[INFO] [stderr]   Downloaded handlebars v0.16.0
[INFO] [stderr]   Downloaded encoding v0.2.32
[INFO] [stderr]   Downloaded regex v0.1.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3f296b01f0229d93c14a0be5d6750bf12cc90662662f3ac5985cdcb1196c1e
[INFO] running `Command { std: "docker" "start" "-a" "6b3f296b01f0229d93c14a0be5d6750bf12cc90662662f3ac5985cdcb1196c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3f296b01f0229d93c14a0be5d6750bf12cc90662662f3ac5985cdcb1196c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3f296b01f0229d93c14a0be5d6750bf12cc90662662f3ac5985cdcb1196c1e", kill_on_drop: false }`
[INFO] [stdout] 6b3f296b01f0229d93c14a0be5d6750bf12cc90662662f3ac5985cdcb1196c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f0b69987ba6d17c5ee1774e13711055b8a8ea343f8ea37ac30051e9b353236
[INFO] running `Command { std: "docker" "start" "-a" "24f0b69987ba6d17c5ee1774e13711055b8a8ea343f8ea37ac30051e9b353236", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.10
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling mempool v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.3.1
[INFO] [stderr]    Compiling serde v0.7.0
[INFO] [stderr]    Compiling itertools v0.4.12
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling strsim v0.3.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[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]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling encoding v0.2.32
[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" "24f0b69987ba6d17c5ee1774e13711055b8a8ea343f8ea37ac30051e9b353236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f0b69987ba6d17c5ee1774e13711055b8a8ea343f8ea37ac30051e9b353236", kill_on_drop: false }`
[INFO] [stdout] 24f0b69987ba6d17c5ee1774e13711055b8a8ea343f8ea37ac30051e9b353236