[INFO] cloning repository https://github.com/IreneKnapp/2021-advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IreneKnapp/2021-advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2021-advent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d63b78e7031ea442404c0cb4ecf0e5c93972eeb
[INFO] documenting IreneKnapp/2021-advent-of-code 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%2FIreneKnapp%2F2021-advent-of-code" "/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/IreneKnapp/2021-advent-of-code 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/IreneKnapp/2021-advent-of-code
[INFO] finished tweaking git repo https://github.com/IreneKnapp/2021-advent-of-code
[INFO] tweaked toml for git repo https://github.com/IreneKnapp/2021-advent-of-code written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/IreneKnapp/2021-advent-of-code 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 escargot v0.3.1
[INFO] [stderr]   Downloaded termtree v0.2.3
[INFO] [stderr]   Downloaded predicates-tree v1.0.4
[INFO] [stderr]   Downloaded assert_cmd v0.10.2
[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] 8aaa49956645c76e5657ff135bf450e9b75b2ed4fef0f6a117d16c222d08b8d1
[INFO] running `Command { std: "docker" "start" "-a" "8aaa49956645c76e5657ff135bf450e9b75b2ed4fef0f6a117d16c222d08b8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aaa49956645c76e5657ff135bf450e9b75b2ed4fef0f6a117d16c222d08b8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aaa49956645c76e5657ff135bf450e9b75b2ed4fef0f6a117d16c222d08b8d1", kill_on_drop: false }`
[INFO] [stdout] 8aaa49956645c76e5657ff135bf450e9b75b2ed4fef0f6a117d16c222d08b8d1
[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] 43de0306170fe65bbf098e2a3bfdb300d2a79a42bd6c5e01b47a5b9b48240187
[INFO] running `Command { std: "docker" "start" "-a" "43de0306170fe65bbf098e2a3bfdb300d2a79a42bd6c5e01b47a5b9b48240187", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]     Checking advent_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]  Documenting advent_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]  Documenting advent_04 v0.1.0 (/opt/rustwide/workdir/04)
[INFO] [stderr]  Documenting advent_02 v0.1.0 (/opt/rustwide/workdir/02)
[INFO] [stderr]  Documenting advent_10 v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]  Documenting advent_12 v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]  Documenting advent_22 v0.1.0 (/opt/rustwide/workdir/22)
[INFO] [stderr]  Documenting advent_07 v0.1.0 (/opt/rustwide/workdir/07)
[INFO] [stderr]  Documenting advent_13 v0.1.0 (/opt/rustwide/workdir/13)
[INFO] [stderr]  Documenting advent_17 v0.1.0 (/opt/rustwide/workdir/17)
[INFO] [stderr]  Documenting advent_15 v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]  Documenting advent_24 v0.1.0 (/opt/rustwide/workdir/24)
[INFO] [stderr]  Documenting advent_01 v0.1.0 (/opt/rustwide/workdir/01)
[INFO] [stderr]  Documenting advent_23 v0.1.0 (/opt/rustwide/workdir/23)
[INFO] [stderr]  Documenting advent_08 v0.1.0 (/opt/rustwide/workdir/08)
[INFO] [stderr]  Documenting advent_03 v0.1.0 (/opt/rustwide/workdir/03)
[INFO] [stderr]  Documenting advent_21 v0.1.0 (/opt/rustwide/workdir/21)
[INFO] [stderr]  Documenting advent_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]  Documenting advent_05 v0.1.0 (/opt/rustwide/workdir/05)
[INFO] [stderr]  Documenting advent_19 v0.1.0 (/opt/rustwide/workdir/19)
[INFO] [stderr]  Documenting advent_09 v0.1.0 (/opt/rustwide/workdir/09)
[INFO] [stderr]  Documenting advent_25 v0.1.0 (/opt/rustwide/workdir/25)
[INFO] [stderr]  Documenting advent_20 v0.1.0 (/opt/rustwide/workdir/20)
[INFO] [stderr]  Documenting advent_16 v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]  Documenting advent_06 v0.1.0 (/opt/rustwide/workdir/06)
[INFO] [stderr]  Documenting advent_14 v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr] error: could not document `advent_lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_lib lib/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ff2266e27855fe28 -L dependency=/opt/rustwide/target/debug/deps --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-908a62efb5f9dba5.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 `advent_12`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_12 12/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dfd9046908378af8 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_14 14/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=803f42cb900460b8 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_19`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_19 19/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=493fc681133c586b -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_21 21/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3e2d054dd0ae5ad9 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_24 24/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4ef7be07ba7a51d6 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_07`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_07 07/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6f8f3f0eeda6b29e -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_02`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_02 02/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fd66393112cfa3a6 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_03`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_03 03/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=566e033a84da9d04 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_01`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_01 01/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=82f099ab15f0a3ce -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_22`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_22 22/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=35c5b3615ff104c1 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_13 13/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d0e9d5cc59c53422 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_15`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_15 15/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6de9c9751738e816 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_17 17/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2c63b276fb83c339 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_23`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_23 23/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=29b7cdf23ab31225 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_16 16/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fd793c79efc3665c -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-ff2266e27855fe28.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "43de0306170fe65bbf098e2a3bfdb300d2a79a42bd6c5e01b47a5b9b48240187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43de0306170fe65bbf098e2a3bfdb300d2a79a42bd6c5e01b47a5b9b48240187", kill_on_drop: false }`
[INFO] [stdout] 43de0306170fe65bbf098e2a3bfdb300d2a79a42bd6c5e01b47a5b9b48240187