[INFO] cloning repository https://github.com/ngsankha/smworker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngsankha/smworker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngsankha%2Fsmworker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngsankha%2Fsmworker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e334dc7b5c065d92fafb662c7e326766c3eba83
[INFO] testing ngsankha/smworker against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngsankha%2Fsmworker" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngsankha/smworker on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngsankha/smworker
[INFO] finished tweaking git repo https://github.com/ngsankha/smworker
[INFO] tweaked toml for git repo https://github.com/ngsankha/smworker written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ngsankha/smworker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14f08beb2a929de6ff9cb2c9ee61e06e0597838d011c1e765d06ff456a1ab22e
[INFO] running `Command { std: "docker" "start" "-a" "14f08beb2a929de6ff9cb2c9ee61e06e0597838d011c1e765d06ff456a1ab22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f08beb2a929de6ff9cb2c9ee61e06e0597838d011c1e765d06ff456a1ab22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f08beb2a929de6ff9cb2c9ee61e06e0597838d011c1e765d06ff456a1ab22e", kill_on_drop: false }`
[INFO] [stdout] 14f08beb2a929de6ff9cb2c9ee61e06e0597838d011c1e765d06ff456a1ab22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 604ecb8384a9d9b58937f4e8cfa763da4b6fafa7a1aa23ba0452777adb4ac314
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "604ecb8384a9d9b58937f4e8cfa763da4b6fafa7a1aa23ba0452777adb4ac314", 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]    Compiling gcc v0.3.18
[INFO] [stderr]    Compiling pkg-config v0.3.6
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling mozjs_sys v0.0.0 (https://github.com/servo/mozjs#74e7e954)
[INFO] [stderr]    Compiling js v0.1.0 (https://github.com/servo/rust-mozjs#01ff3cb8)
[INFO] [stderr]    Compiling rustc-serialize v0.3.16
[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 heapsize v0.1.2
[INFO] [stderr]    Compiling log v0.3.2
[INFO] [stderr]    Compiling libz-sys v0.1.8
[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" "604ecb8384a9d9b58937f4e8cfa763da4b6fafa7a1aa23ba0452777adb4ac314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604ecb8384a9d9b58937f4e8cfa763da4b6fafa7a1aa23ba0452777adb4ac314", kill_on_drop: false }`
[INFO] [stdout] 604ecb8384a9d9b58937f4e8cfa763da4b6fafa7a1aa23ba0452777adb4ac314