[INFO] cloning repository https://github.com/mtsr/amethyst_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtsr/amethyst_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtsr%2Famethyst_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtsr%2Famethyst_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a283a43186327acd1a583fd6e13c3cb2dbb85505
[INFO] checking mtsr/amethyst_experiment against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtsr%2Famethyst_experiment" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtsr/amethyst_experiment on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mtsr/amethyst_experiment
[INFO] finished tweaking git repo https://github.com/mtsr/amethyst_experiment
[INFO] tweaked toml for git repo https://github.com/mtsr/amethyst_experiment written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mtsr/amethyst_experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "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] cd98d45f23cbcfb689623ddcc3c5bc62b4eb146533c03fdf305236a5cb4cfab1
[INFO] running `Command { std: "docker" "start" "-a" "cd98d45f23cbcfb689623ddcc3c5bc62b4eb146533c03fdf305236a5cb4cfab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd98d45f23cbcfb689623ddcc3c5bc62b4eb146533c03fdf305236a5cb4cfab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd98d45f23cbcfb689623ddcc3c5bc62b4eb146533c03fdf305236a5cb4cfab1", kill_on_drop: false }`
[INFO] [stdout] cd98d45f23cbcfb689623ddcc3c5bc62b4eb146533c03fdf305236a5cb4cfab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] ec8f261303400c1950c219f4e75a60c0e6fe4b20a2c0d57a4995c06dd9c91360
[INFO] running `Command { std: "docker" "start" "-a" "ec8f261303400c1950c219f4e75a60c0e6fe4b20a2c0d57a4995c06dd9c91360", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.14
[INFO] [stderr]    Compiling num-traits v0.1.34
[INFO] [stderr]    Compiling serde v0.8.0
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]     Checking threadpool v1.3.1
[INFO] [stderr]     Checking fnv v1.0.3
[INFO] [stderr]     Checking yaml-rust v0.3.3
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]    Compiling x11-dl v2.8.0
[INFO] [stderr]     Checking gfx_core v0.3.1
[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-0.3.19/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]     Checking rand v0.3.14
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking amethyst_config v0.1.0 (https://github.com/amethyst/amethyst?branch=develop#a52cf6c1)
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking osmesa-sys v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking specs v0.7.0
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stderr]    Compiling wayland-client v0.5.12
[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" "ec8f261303400c1950c219f4e75a60c0e6fe4b20a2c0d57a4995c06dd9c91360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8f261303400c1950c219f4e75a60c0e6fe4b20a2c0d57a4995c06dd9c91360", kill_on_drop: false }`
[INFO] [stdout] ec8f261303400c1950c219f4e75a60c0e6fe4b20a2c0d57a4995c06dd9c91360