[INFO] cloning repository https://github.com/daviddonna/abc-visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daviddonna/abc-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviddonna%2Fabc-visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviddonna%2Fabc-visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f2e4063c84b4a69d75ea9b9b06862fed02d3a8e
[INFO] testing daviddonna/abc-visualizer against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviddonna%2Fabc-visualizer" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daviddonna/abc-visualizer on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daviddonna/abc-visualizer
[INFO] finished tweaking git repo https://github.com/daviddonna/abc-visualizer
[INFO] tweaked toml for git repo https://github.com/daviddonna/abc-visualizer written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/daviddonna/abc-visualizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.8.1
[INFO] [stderr]   Downloaded abc v0.2.2
[INFO] [stderr]   Downloaded mempool v0.2.0
[INFO] [stderr]   Downloaded regex v0.1.61
[INFO] [stderr]   Downloaded sdl2 v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12c87e93d79c8eb77c9c9400bbd9fa3252f9beb053bb2ac6dcc1f722f170e38d
[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" "12c87e93d79c8eb77c9c9400bbd9fa3252f9beb053bb2ac6dcc1f722f170e38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c87e93d79c8eb77c9c9400bbd9fa3252f9beb053bb2ac6dcc1f722f170e38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c87e93d79c8eb77c9c9400bbd9fa3252f9beb053bb2ac6dcc1f722f170e38d", kill_on_drop: false }`
[INFO] [stdout] 12c87e93d79c8eb77c9c9400bbd9fa3252f9beb053bb2ac6dcc1f722f170e38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34947868b33901f6c424defb7d22b6656073f535a1b5e8f8305b53c1148ba496
[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" "34947868b33901f6c424defb7d22b6656073f535a1b5e8f8305b53c1148ba496", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.9
[INFO] [stderr]    Compiling sdl2-sys v0.8.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.18
[INFO] [stderr]    Compiling regex-syntax v0.3.1
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling mempool v0.2.0
[INFO] [stderr]    Compiling itertools v0.4.11
[INFO] [stderr]    Compiling crossbeam v0.2.8
[INFO] [stderr]    Compiling bitflags v0.3.3
[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-0.3.18/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 rand v0.3.14
[INFO] [stderr]    Compiling memchr v0.1.10
[INFO] [stderr]    Compiling num_cpus v0.2.11
[INFO] [stderr]    Compiling log v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.5.1
[INFO] [stderr]    Compiling regex v0.1.61
[INFO] [stderr]    Compiling abc v0.2.2
[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" "34947868b33901f6c424defb7d22b6656073f535a1b5e8f8305b53c1148ba496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34947868b33901f6c424defb7d22b6656073f535a1b5e8f8305b53c1148ba496", kill_on_drop: false }`
[INFO] [stdout] 34947868b33901f6c424defb7d22b6656073f535a1b5e8f8305b53c1148ba496