[INFO] cloning repository https://github.com/whostolemyhat/ascii
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whostolemyhat/ascii" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fascii", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fascii'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd1bf386a862f8de8f9b7fd1043ee62cd25154b6
[INFO] testing whostolemyhat/ascii against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fascii" "/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/whostolemyhat/ascii on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whostolemyhat/ascii
[INFO] finished tweaking git repo https://github.com/whostolemyhat/ascii
[INFO] tweaked toml for git repo https://github.com/whostolemyhat/ascii written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/whostolemyhat/ascii already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum_primitive v0.0.1
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] [stderr]   Downloaded gif v0.5.1
[INFO] [stderr]   Downloaded glob v0.2.10
[INFO] [stderr]   Downloaded lzw v0.8.0
[INFO] [stderr]   Downloaded bitflags v0.3.2
[INFO] [stderr]   Downloaded image v0.4.1
[INFO] [stderr]   Downloaded png v0.3.1
[INFO] [stderr]   Downloaded gcc v0.3.19
[INFO] [stderr]   Downloaded flate2 v0.2.9
[INFO] [stderr]   Downloaded miniz-sys v0.1.6
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfb10c887c761707cc61f814c155a9407a2ebc435d80d7e90609eba5f39a5959
[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" "bfb10c887c761707cc61f814c155a9407a2ebc435d80d7e90609eba5f39a5959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb10c887c761707cc61f814c155a9407a2ebc435d80d7e90609eba5f39a5959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb10c887c761707cc61f814c155a9407a2ebc435d80d7e90609eba5f39a5959", kill_on_drop: false }`
[INFO] [stdout] bfb10c887c761707cc61f814c155a9407a2ebc435d80d7e90609eba5f39a5959
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 208506c5ada9701d912bbcc36b04015b8dd84f37e3e6450e07fe0248b20c13fe
[INFO] running `Command { std: "docker" "start" "-a" "208506c5ada9701d912bbcc36b04015b8dd84f37e3e6450e07fe0248b20c13fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling winapi v0.2.4
[INFO] [stderr]    Compiling gcc v0.3.19
[INFO] [stderr]    Compiling rustc-serialize v0.3.16
[INFO] [stderr]    Compiling lzw v0.8.0
[INFO] [stderr]    Compiling bitflags v0.3.2
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling gif v0.5.1
[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-0.3.16/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" "208506c5ada9701d912bbcc36b04015b8dd84f37e3e6450e07fe0248b20c13fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208506c5ada9701d912bbcc36b04015b8dd84f37e3e6450e07fe0248b20c13fe", kill_on_drop: false }`
[INFO] [stdout] 208506c5ada9701d912bbcc36b04015b8dd84f37e3e6450e07fe0248b20c13fe
