[INFO] cloning repository https://github.com/jamiltron/boxes_catching_boxes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamiltron/boxes_catching_boxes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiltron%2Fboxes_catching_boxes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiltron%2Fboxes_catching_boxes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 683c3966dfc0d1fc8fd36fb80102868537e32f1d
[INFO] testing jamiltron/boxes_catching_boxes against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamiltron%2Fboxes_catching_boxes" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamiltron/boxes_catching_boxes on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamiltron/boxes_catching_boxes
[INFO] finished tweaking git repo https://github.com/jamiltron/boxes_catching_boxes
[INFO] tweaked toml for git repo https://github.com/jamiltron/boxes_catching_boxes written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jamiltron/boxes_catching_boxes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38851a95934c55191dbf8a3efa2a2726796f9596b5b19bb88b6c7fca3416558e
[INFO] running `Command { std: "docker" "start" "-a" "38851a95934c55191dbf8a3efa2a2726796f9596b5b19bb88b6c7fca3416558e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38851a95934c55191dbf8a3efa2a2726796f9596b5b19bb88b6c7fca3416558e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38851a95934c55191dbf8a3efa2a2726796f9596b5b19bb88b6c7fca3416558e", kill_on_drop: false }`
[INFO] [stdout] 38851a95934c55191dbf8a3efa2a2726796f9596b5b19bb88b6c7fca3416558e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d13a5c80742fa4b1561f6f9c858c3e2350ca63a294886bb2434f17c53373363
[INFO] running `Command { std: "docker" "start" "-a" "7d13a5c80742fa4b1561f6f9c858c3e2350ca63a294886bb2434f17c53373363", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.35
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling sdl2-sys v0.22.0
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling bitflags v0.6.0
[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 rand v0.3.14
[INFO] [stderr]    Compiling num-integer v0.1.32
[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" "7d13a5c80742fa4b1561f6f9c858c3e2350ca63a294886bb2434f17c53373363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d13a5c80742fa4b1561f6f9c858c3e2350ca63a294886bb2434f17c53373363", kill_on_drop: false }`
[INFO] [stdout] 7d13a5c80742fa4b1561f6f9c858c3e2350ca63a294886bb2434f17c53373363