[INFO] cloning repository https://github.com/echochamber/rust_hex_grid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/echochamber/rust_hex_grid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Frust_hex_grid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Frust_hex_grid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9e98f95bec77dffde5ef30c8501badd56773904
[INFO] testing echochamber/rust_hex_grid against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Frust_hex_grid" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/echochamber/rust_hex_grid on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/echochamber/rust_hex_grid
[INFO] finished tweaking git repo https://github.com/echochamber/rust_hex_grid
[INFO] tweaked toml for git repo https://github.com/echochamber/rust_hex_grid written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/echochamber/rust_hex_grid already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx_core v0.3.1
[INFO] [stderr]   Downloaded fnv v1.0.2
[INFO] [stderr]   Downloaded gfx_device_gl v0.10.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.28.2
[INFO] [stderr]   Downloaded freetype-rs v0.7.0
[INFO] [stderr]   Downloaded libz-sys v1.0.3
[INFO] [stderr]   Downloaded piston2d-sprite v0.26.0
[INFO] [stderr]   Downloaded hex2d v0.1.0
[INFO] [stderr]   Downloaded piston-ai_behavior v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46980bf3f1e2b2d3afd12aeae262830a369ee707e695cd3d7bac7c51d65cece9
[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" "46980bf3f1e2b2d3afd12aeae262830a369ee707e695cd3d7bac7c51d65cece9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46980bf3f1e2b2d3afd12aeae262830a369ee707e695cd3d7bac7c51d65cece9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46980bf3f1e2b2d3afd12aeae262830a369ee707e695cd3d7bac7c51d65cece9", kill_on_drop: false }`
[INFO] [stdout] 46980bf3f1e2b2d3afd12aeae262830a369ee707e695cd3d7bac7c51d65cece9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2dca626c0cd1457894fdaf364f766f788fa580a8a107c4629ffa3c57d39a249
[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" "e2dca626c0cd1457894fdaf364f766f788fa580a8a107c4629ffa3c57d39a249", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling num-traits v0.1.32
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]    Compiling byteorder v0.5.1
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling crossbeam v0.2.9
[INFO] [stderr]    Compiling piston-texture v0.4.0
[INFO] [stderr]    Compiling odds v0.2.12
[INFO] [stderr]    Compiling itertools v0.4.13
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling fnv v1.0.2
[INFO] [stderr]    Compiling draw_state v0.4.0
[INFO] [stderr]    Compiling gif v0.8.0
[INFO] [stderr]    Compiling stb_truetype v0.2.0
[INFO] [stderr]    Compiling tempfile v2.1.3
[INFO] [stderr]    Compiling ndarray 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]    Compiling xml-rs v0.3.2
[INFO] [stderr]    Compiling draw_state v0.6.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling piston2d-graphics v0.16.0
[INFO] [stderr]    Compiling nodrop v0.1.6
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v0.2.11
[INFO] [stderr]    Compiling shared_library v0.1.4
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling gfx_core v0.2.1
[INFO] [stderr]    Compiling fs2 v0.2.4
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling arrayvec v0.3.16
[INFO] [stderr]    Compiling gfx_core v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.0.5
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling dlib v0.3.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.3
[INFO] [stderr]    Compiling gl_generator v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[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`
[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" "e2dca626c0cd1457894fdaf364f766f788fa580a8a107c4629ffa3c57d39a249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2dca626c0cd1457894fdaf364f766f788fa580a8a107c4629ffa3c57d39a249", kill_on_drop: false }`
[INFO] [stdout] e2dca626c0cd1457894fdaf364f766f788fa580a8a107c4629ffa3c57d39a249
