[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Frust_hex_grid" "/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/echochamber/rust_hex_grid on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-0/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" "+1.60.0" "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_device_gl v0.10.0
[INFO] [stderr]   Downloaded gfx_core v0.3.1
[INFO] [stderr]   Downloaded libz-sys v1.0.3
[INFO] [stderr]   Downloaded fnv v1.0.2
[INFO] [stderr]   Downloaded hex2d v0.1.0
[INFO] [stderr]   Downloaded piston-ai_behavior v0.14.0
[INFO] [stderr]   Downloaded freetype-rs v0.7.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.28.2
[INFO] [stderr]   Downloaded piston2d-sprite v0.26.0
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] ecab9e48c6275689a6f4843448b5c318f44368aa70121d4ca0b7ef3669d195e6
[INFO] running `Command { std: "docker" "start" "-a" "ecab9e48c6275689a6f4843448b5c318f44368aa70121d4ca0b7ef3669d195e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecab9e48c6275689a6f4843448b5c318f44368aa70121d4ca0b7ef3669d195e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecab9e48c6275689a6f4843448b5c318f44368aa70121d4ca0b7ef3669d195e6", kill_on_drop: false }`
[INFO] [stdout] ecab9e48c6275689a6f4843448b5c318f44368aa70121d4ca0b7ef3669d195e6
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 7c15364bdcc575c4f9cc71ba8352a881923cbcf18ecf1670607d3af49748529e
[INFO] running `Command { std: "docker" "start" "-a" "7c15364bdcc575c4f9cc71ba8352a881923cbcf18ecf1670607d3af49748529e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 log v0.3.6
[INFO] [stderr]    Compiling num-traits v0.1.32
[INFO] [stderr]    Compiling winapi v0.2.6
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling piston-float v0.2.0
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling byteorder v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling shader_version v0.2.1
[INFO] [stderr]    Compiling piston-texture v0.4.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[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 crossbeam v0.2.9
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling odds v0.2.12
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling read_color v0.1.0
[INFO] [stderr]    Compiling itertools v0.4.13
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling linked-hash-map v0.0.9
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling fnv v1.0.2
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.3.2
[INFO] [stderr]    Compiling draw_state v0.6.0
[INFO] [stderr]    Compiling piston-viewport v0.2.0
[INFO] [stderr]    Compiling vecmath v0.2.0
[INFO] [stderr]    Compiling draw_state v0.4.0
[INFO] [stderr]    Compiling gif v0.8.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v0.2.11
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling shared_library v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.6
[INFO] [stderr]    Compiling stb_truetype v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling gfx_core v0.3.1
[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]    Compiling kernel32-sys v0.2.2
[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" "7c15364bdcc575c4f9cc71ba8352a881923cbcf18ecf1670607d3af49748529e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c15364bdcc575c4f9cc71ba8352a881923cbcf18ecf1670607d3af49748529e", kill_on_drop: false }`
[INFO] [stdout] 7c15364bdcc575c4f9cc71ba8352a881923cbcf18ecf1670607d3af49748529e