[INFO] cloning repository https://github.com/guilgaly/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guilgaly/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilgaly%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilgaly%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12ed35072eb6f5d5e8eaba70ae34c7d8f192961f
[INFO] documenting guilgaly/advent-of-code-2020 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%2Fguilgaly%2Fadvent-of-code-2020" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guilgaly/advent-of-code-2020 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/guilgaly/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/guilgaly/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/guilgaly/advent-of-code-2020 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/guilgaly/advent-of-code-2020 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 peg-runtime v0.6.3
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded intmap v0.7.0
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 98fc7829ab813b644431f72811924f90b1c0a68973a5493124a1193bb1070f39
[INFO] running `Command { std: "docker" "start" "-a" "98fc7829ab813b644431f72811924f90b1c0a68973a5493124a1193bb1070f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98fc7829ab813b644431f72811924f90b1c0a68973a5493124a1193bb1070f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fc7829ab813b644431f72811924f90b1c0a68973a5493124a1193bb1070f39", kill_on_drop: false }`
[INFO] [stdout] 98fc7829ab813b644431f72811924f90b1c0a68973a5493124a1193bb1070f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] [stdout] a30926ff8f6c4a984f0402ab38837fdbd6195671ff571bdc68b80586eef5ba62
[INFO] running `Command { std: "docker" "start" "-a" "a30926ff8f6c4a984f0402ab38837fdbd6195671ff571bdc68b80586eef5ba62", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking reduce v0.1.3
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking intmap v0.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]  Documenting common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]  Documenting day_8 v0.1.0 (/opt/rustwide/workdir/day_8)
[INFO] [stderr]  Documenting day_22 v0.1.0 (/opt/rustwide/workdir/day_22)
[INFO] [stderr]  Documenting day_3 v0.1.0 (/opt/rustwide/workdir/day_3)
[INFO] [stderr]  Documenting day_5 v0.1.0 (/opt/rustwide/workdir/day_5)
[INFO] [stderr]  Documenting day_2 v0.1.0 (/opt/rustwide/workdir/day_2)
[INFO] [stderr]  Documenting day_9 v0.1.0 (/opt/rustwide/workdir/day_9)
[INFO] [stderr]  Documenting day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stderr]  Documenting day_14 v0.1.0 (/opt/rustwide/workdir/day_14)
[INFO] [stderr]  Documenting day_25 v0.1.0 (/opt/rustwide/workdir/day_25)
[INFO] [stderr]  Documenting day_18 v0.1.0 (/opt/rustwide/workdir/day_18)
[INFO] [stderr]  Documenting day_12 v0.1.0 (/opt/rustwide/workdir/day_12)
[INFO] [stderr]  Documenting day_23 v0.1.0 (/opt/rustwide/workdir/day_23)
[INFO] [stderr]  Documenting day_15 v0.1.0 (/opt/rustwide/workdir/day_15)
[INFO] [stderr]  Documenting day_17 v0.1.0 (/opt/rustwide/workdir/day_17)
[INFO] [stderr]  Documenting day_20 v0.1.0 (/opt/rustwide/workdir/day_20)
[INFO] [stderr]  Documenting day_7 v0.1.0 (/opt/rustwide/workdir/day_7)
[INFO] [stderr]  Documenting day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stderr]  Documenting day_6 v0.1.0 (/opt/rustwide/workdir/day_6)
[INFO] [stderr]  Documenting day_4 v0.1.0 (/opt/rustwide/workdir/day_4)
[INFO] [stderr]  Documenting day_24 v0.1.0 (/opt/rustwide/workdir/day_24)
[INFO] [stderr]  Documenting day_21 v0.1.0 (/opt/rustwide/workdir/day_21)
[INFO] [stderr]  Documenting day_19 v0.1.0 (/opt/rustwide/workdir/day_19)
[INFO] [stderr]  Documenting day_13 v0.1.0 (/opt/rustwide/workdir/day_13)
[INFO] [stderr]  Documenting day_1 v0.1.0 (/opt/rustwide/workdir/day_1)
[INFO] [stderr]  Documenting day_16 v0.1.0 (/opt/rustwide/workdir/day_16)
[INFO] [stderr] error: could not document `common`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name common common/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=65af0a2b22a9a633 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern reduce=/opt/rustwide/target/debug/deps/libreduce-31c6af42ea7e37df.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.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 `day_2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_2 day_2/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3b8ad8fbf23fbe72 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_14 day_14/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=893f8a042cf9fd9e -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_22`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_22 day_22/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ff82b5ecc9203279 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_9 day_9/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8e6657280722c094 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_25`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_25 day_25/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a62c50719a3f245 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_23`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_23 day_23/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b8ce11afb4ac807b -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_10 day_10/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=27257d6a45437b5b -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_24 day_24/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a372de92c46384fb -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_12`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_12 day_12/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c632011666aeccc2 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_17 day_17/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e81e60b23cd9eda0 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_20 day_20/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ccf1c49c10231bf4 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_8 day_8/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=976150657f4b6b1e -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_18`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_18 day_18/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3cae1db67df41989 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --extern peg=/opt/rustwide/target/debug/deps/libpeg-2b150129e805cdf5.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_7 day_7/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e717ac5c8779b290 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-65af0a2b22a9a633.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a30926ff8f6c4a984f0402ab38837fdbd6195671ff571bdc68b80586eef5ba62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30926ff8f6c4a984f0402ab38837fdbd6195671ff571bdc68b80586eef5ba62", kill_on_drop: false }`
[INFO] [stdout] a30926ff8f6c4a984f0402ab38837fdbd6195671ff571bdc68b80586eef5ba62