[INFO] cloning repository https://github.com/JaniM/ld37
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JaniM/ld37" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaniM%2Fld37", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaniM%2Fld37'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac035de8e026b2ea25e76d41822b2b36dfeb5e3d
[INFO] documenting JaniM/ld37 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaniM%2Fld37" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JaniM/ld37 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JaniM/ld37
[INFO] finished tweaking git repo https://github.com/JaniM/ld37
[INFO] tweaked toml for git repo https://github.com/JaniM/ld37 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JaniM/ld37 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.19
[INFO] [stderr]   Downloaded itertools v0.5.5
[INFO] [stderr]   Downloaded num v0.1.35
[INFO] [stderr]   Downloaded num-traits v0.1.35
[INFO] [stderr]   Downloaded sdl2 v0.24.0
[INFO] [stderr]   Downloaded sdl2-sys v0.24.0
[INFO] [stderr]   Downloaded clock_ticks v0.1.0
[INFO] [stderr]   Downloaded either v1.0.1
[INFO] [stderr]   Downloaded sdl2_ttf v0.24.0
[INFO] [stderr]   Downloaded sdl2_image v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 8cdae35635471301a883dd3d65e84440df943e95dd0610df316956a0da8804f2
[INFO] running `Command { std: "docker" "start" "-a" "8cdae35635471301a883dd3d65e84440df943e95dd0610df316956a0da8804f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cdae35635471301a883dd3d65e84440df943e95dd0610df316956a0da8804f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdae35635471301a883dd3d65e84440df943e95dd0610df316956a0da8804f2", kill_on_drop: false }`
[INFO] [stdout] 8cdae35635471301a883dd3d65e84440df943e95dd0610df316956a0da8804f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecb27b98692917d1f7bbd4013ecac801748dd337c9aeb31cac8e13fb40b867dc
[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" "ecb27b98692917d1f7bbd4013ecac801748dd337c9aeb31cac8e13fb40b867dc", 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] [stderr]     Checking num-traits v0.1.35
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling sdl2-sys v0.24.0
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking either v1.0.1
[INFO] [stderr]     Checking clock_ticks v0.1.0
[INFO] [stderr]     Checking itertools v0.5.5
[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]     Checking rand v0.3.14
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter 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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ecb27b98692917d1f7bbd4013ecac801748dd337c9aeb31cac8e13fb40b867dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb27b98692917d1f7bbd4013ecac801748dd337c9aeb31cac8e13fb40b867dc", kill_on_drop: false }`
[INFO] [stdout] ecb27b98692917d1f7bbd4013ecac801748dd337c9aeb31cac8e13fb40b867dc