[INFO] cloning repository https://github.com/libc/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/libc/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0002eb82dbbecd7fa55ec84e68971afdeefe49f
[INFO] documenting libc/advent-of-code-2019 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibc%2Fadvent-of-code-2019" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/libc/advent-of-code-2019 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/libc/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/libc/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/libc/advent-of-code-2019 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/libc/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.5.4
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded mod_exp v1.0.1
[INFO] [stderr]   Downloaded im v10.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd69d7baf245cf8a3ac1d38ec3dc7515876e35da02791bddcd9724cf010d6b2c
[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" "dd69d7baf245cf8a3ac1d38ec3dc7515876e35da02791bddcd9724cf010d6b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd69d7baf245cf8a3ac1d38ec3dc7515876e35da02791bddcd9724cf010d6b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd69d7baf245cf8a3ac1d38ec3dc7515876e35da02791bddcd9724cf010d6b2c", kill_on_drop: false }`
[INFO] [stdout] dd69d7baf245cf8a3ac1d38ec3dc7515876e35da02791bddcd9724cf010d6b2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 8fef7a684114589b7706f7ed4efaa409fcd019c41970e6338b90cd2e997597f5
[INFO] running `Command { std: "docker" "start" "-a" "8fef7a684114589b7706f7ed4efaa409fcd019c41970e6338b90cd2e997597f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling im v10.2.0
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mod_exp v1.0.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day17_2 src/bin/day17-2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=545c7c41985dd681 -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-ad94d23c6363c605.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4ac00c961784b87f.rmeta --extern im=/opt/rustwide/target/debug/deps/libim-c5ca1aafac31d2ff.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-b864833a5c497db5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a64fd8b18799b558.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6bd2685250305f40.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day15_1 src/bin/day15-1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4aaa7bb2985eb394 -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-ad94d23c6363c605.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4ac00c961784b87f.rmeta --extern im=/opt/rustwide/target/debug/deps/libim-c5ca1aafac31d2ff.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-b864833a5c497db5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a64fd8b18799b558.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6bd2685250305f40.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_three_two src/bin/day_three_two.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a3accb726e916ea0 -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-ad94d23c6363c605.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4ac00c961784b87f.rmeta --extern im=/opt/rustwide/target/debug/deps/libim-c5ca1aafac31d2ff.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-b864833a5c497db5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a64fd8b18799b558.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6bd2685250305f40.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day16_2 src/bin/day16-2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=40f6931cb19b5d44 -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-ad94d23c6363c605.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4ac00c961784b87f.rmeta --extern im=/opt/rustwide/target/debug/deps/libim-c5ca1aafac31d2ff.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-b864833a5c497db5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a64fd8b18799b558.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6bd2685250305f40.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_twelve_two src/bin/day_twelve_two.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cd797a2454ee27a0 -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-ad94d23c6363c605.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4ac00c961784b87f.rmeta --extern im=/opt/rustwide/target/debug/deps/libim-c5ca1aafac31d2ff.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-b864833a5c497db5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a64fd8b18799b558.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6bd2685250305f40.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2019`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day24_1 src/bin/day24-1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a5fc16b24cc1f4cd -L dependency=/opt/rustwide/target/debug/deps --extern aoc2019=/opt/rustwide/target/debug/deps/libaoc2019-ad94d23c6363c605.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4ac00c961784b87f.rmeta --extern im=/opt/rustwide/target/debug/deps/libim-c5ca1aafac31d2ff.rmeta --extern mod_exp=/opt/rustwide/target/debug/deps/libmod_exp-b864833a5c497db5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a64fd8b18799b558.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6bd2685250305f40.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8fef7a684114589b7706f7ed4efaa409fcd019c41970e6338b90cd2e997597f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fef7a684114589b7706f7ed4efaa409fcd019c41970e6338b90cd2e997597f5", kill_on_drop: false }`
[INFO] [stdout] 8fef7a684114589b7706f7ed4efaa409fcd019c41970e6338b90cd2e997597f5