[INFO] cloning repository https://github.com/matthiasbeyer/i3-rustbar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthiasbeyer/i3-rustbar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiasbeyer%2Fi3-rustbar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiasbeyer%2Fi3-rustbar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4465713f872a43c00c1cee852130f1fc0a05368
[INFO] testing matthiasbeyer/i3-rustbar against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiasbeyer%2Fi3-rustbar" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthiasbeyer/i3-rustbar on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthiasbeyer/i3-rustbar
[INFO] finished tweaking git repo https://github.com/matthiasbeyer/i3-rustbar
[INFO] tweaked toml for git repo https://github.com/matthiasbeyer/i3-rustbar written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/matthiasbeyer/i3-rustbar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3c27d840a08cb6b91aa4041527879ddcb15168a80894f5c7120053a1d713d6a
[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" "a3c27d840a08cb6b91aa4041527879ddcb15168a80894f5c7120053a1d713d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c27d840a08cb6b91aa4041527879ddcb15168a80894f5c7120053a1d713d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c27d840a08cb6b91aa4041527879ddcb15168a80894f5c7120053a1d713d6a", kill_on_drop: false }`
[INFO] [stdout] a3c27d840a08cb6b91aa4041527879ddcb15168a80894f5c7120053a1d713d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387357645a606e904b5950c5ddd28c89057021d49331128aea4be1eeb706c2a9
[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" "387357645a606e904b5950c5ddd28c89057021d49331128aea4be1eeb706c2a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.18
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling version v2.0.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[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] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling time v0.1.34
[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] running `Command { std: "docker" "inspect" "387357645a606e904b5950c5ddd28c89057021d49331128aea4be1eeb706c2a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387357645a606e904b5950c5ddd28c89057021d49331128aea4be1eeb706c2a9", kill_on_drop: false }`
[INFO] [stdout] 387357645a606e904b5950c5ddd28c89057021d49331128aea4be1eeb706c2a9