[INFO] cloning repository https://github.com/asib/platformer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asib/platformer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasib%2Fplatformer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasib%2Fplatformer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd81cc8b2e1b68b57d711511001bb94768889983
[INFO] testing asib/platformer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasib%2Fplatformer" "/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/asib/platformer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asib/platformer
[INFO] finished tweaking git repo https://github.com/asib/platformer
[INFO] tweaked toml for git repo https://github.com/asib/platformer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/asib/platformer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25868a150240515bbf45fea56f4422cab3dff2cac25a1df4db6fa3d313418241
[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" "25868a150240515bbf45fea56f4422cab3dff2cac25a1df4db6fa3d313418241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25868a150240515bbf45fea56f4422cab3dff2cac25a1df4db6fa3d313418241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25868a150240515bbf45fea56f4422cab3dff2cac25a1df4db6fa3d313418241", kill_on_drop: false }`
[INFO] [stdout] 25868a150240515bbf45fea56f4422cab3dff2cac25a1df4db6fa3d313418241
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 1b33d9a7edd85be0f8ba43ed56b70835c1df30cf45f88a147dadfdf5eec2290b
[INFO] running `Command { std: "docker" "start" "-a" "1b33d9a7edd85be0f8ba43ed56b70835c1df30cf45f88a147dadfdf5eec2290b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling winapi v0.2.2
[INFO] [stderr]    Compiling sdl2-sys v0.6.2
[INFO] [stderr]    Compiling gcc v0.3.13
[INFO] [stderr]    Compiling rustc-serialize v0.3.16
[INFO] [stderr]    Compiling bitflags v0.2.1
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling find_folder 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] [stderr]    Compiling miniz-sys v0.1.6
[INFO] [stderr]    Compiling rand v0.3.11
[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" "1b33d9a7edd85be0f8ba43ed56b70835c1df30cf45f88a147dadfdf5eec2290b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b33d9a7edd85be0f8ba43ed56b70835c1df30cf45f88a147dadfdf5eec2290b", kill_on_drop: false }`
[INFO] [stdout] 1b33d9a7edd85be0f8ba43ed56b70835c1df30cf45f88a147dadfdf5eec2290b