[INFO] cloning repository https://github.com/sunnyone/proto-showbranch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunnyone/proto-showbranch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunnyone%2Fproto-showbranch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunnyone%2Fproto-showbranch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48ee5e3574b32503a1d74c6d4caa5541c358f83f
[INFO] checking sunnyone/proto-showbranch against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunnyone%2Fproto-showbranch" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunnyone/proto-showbranch on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunnyone/proto-showbranch
[INFO] finished tweaking git repo https://github.com/sunnyone/proto-showbranch
[INFO] tweaked toml for git repo https://github.com/sunnyone/proto-showbranch written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/sunnyone/proto-showbranch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 851560f8e338b3e920728bf64114be02968ea90358f881939ba417c8e2f0556d
[INFO] running `Command { std: "docker" "start" "-a" "851560f8e338b3e920728bf64114be02968ea90358f881939ba417c8e2f0556d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "851560f8e338b3e920728bf64114be02968ea90358f881939ba417c8e2f0556d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851560f8e338b3e920728bf64114be02968ea90358f881939ba417c8e2f0556d", kill_on_drop: false }`
[INFO] [stdout] 851560f8e338b3e920728bf64114be02968ea90358f881939ba417c8e2f0556d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0805b764473727ee8085a6cd1ce910634cb56f99129102937ba7058e20657181
[INFO] running `Command { std: "docker" "start" "-a" "0805b764473727ee8085a6cd1ce910634cb56f99129102937ba7058e20657181", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking libc v0.2.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling gcc v0.3.26
[INFO] [stderr]    Compiling gdk-pixbuf v0.0.1
[INFO] [stderr]    Compiling cairo-rs v0.0.8
[INFO] [stderr]     Checking rustc-serialize v0.3.18
[INFO] [stderr]    Compiling gdk v0.3.0
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]    Compiling gtk v0.0.7
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]    Compiling proto-showbranch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v0.1.1
[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-0.3.18/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" "0805b764473727ee8085a6cd1ce910634cb56f99129102937ba7058e20657181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0805b764473727ee8085a6cd1ce910634cb56f99129102937ba7058e20657181", kill_on_drop: false }`
[INFO] [stdout] 0805b764473727ee8085a6cd1ce910634cb56f99129102937ba7058e20657181