[INFO] cloning repository https://github.com/IreneKnapp/2020-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/2020-advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2020-advent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2020-advent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e80f27c8e64891a488e8563f993e4642898e10e
[INFO] documenting IreneKnapp/2020-advent-of-code against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIreneKnapp%2F2020-advent-of-code" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IreneKnapp/2020-advent-of-code on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IreneKnapp/2020-advent-of-code
[INFO] finished tweaking git repo https://github.com/IreneKnapp/2020-advent-of-code
[INFO] tweaked toml for git repo https://github.com/IreneKnapp/2020-advent-of-code written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/IreneKnapp/2020-advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 119ff748eeb484f6c42de70c4e37b3731178d92f8804f98ca12754528f700871
[INFO] running `Command { std: "docker" "start" "-a" "119ff748eeb484f6c42de70c4e37b3731178d92f8804f98ca12754528f700871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119ff748eeb484f6c42de70c4e37b3731178d92f8804f98ca12754528f700871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119ff748eeb484f6c42de70c4e37b3731178d92f8804f98ca12754528f700871", kill_on_drop: false }`
[INFO] [stdout] 119ff748eeb484f6c42de70c4e37b3731178d92f8804f98ca12754528f700871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc447a81557d1bd3254d9f7058e09dfd09fcb807c7dbdca2fed24fdb52733fd
[INFO] running `Command { std: "docker" "start" "-a" "fbc447a81557d1bd3254d9f7058e09dfd09fcb807c7dbdca2fed24fdb52733fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[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_03 v0.1.0 (/opt/rustwide/workdir/03)
[INFO] [stderr]  Documenting advent_09 v0.1.0 (/opt/rustwide/workdir/09)
[INFO] [stderr]  Documenting advent_07 v0.1.0 (/opt/rustwide/workdir/07)
[INFO] [stderr]  Documenting advent_25 v0.1.0 (/opt/rustwide/workdir/25)
[INFO] [stderr]  Documenting advent_14 v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]  Documenting advent_08 v0.1.0 (/opt/rustwide/workdir/08)
[INFO] [stderr]  Documenting advent_06 v0.1.0 (/opt/rustwide/workdir/06)
[INFO] [stderr]  Documenting advent_04 v0.1.0 (/opt/rustwide/workdir/04)
[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_19 v0.1.0 (/opt/rustwide/workdir/19)
[INFO] [stderr]  Documenting advent_10 v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]  Documenting advent_01 v0.1.0 (/opt/rustwide/workdir/01)
[INFO] [stderr]  Documenting advent_02 v0.1.0 (/opt/rustwide/workdir/02)
[INFO] [stderr]  Documenting advent_13 v0.1.0 (/opt/rustwide/workdir/13)
[INFO] [stderr]  Documenting advent_23 v0.1.0 (/opt/rustwide/workdir/23)
[INFO] [stderr]  Documenting advent_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]  Documenting advent_12 v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]  Documenting advent_16 v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]  Documenting advent_24 v0.1.0 (/opt/rustwide/workdir/24)
[INFO] [stderr]  Documenting advent_21 v0.1.0 (/opt/rustwide/workdir/21)
[INFO] [stderr]  Documenting advent_20 v0.1.0 (/opt/rustwide/workdir/20)
[INFO] [stderr]  Documenting advent_05 v0.1.0 (/opt/rustwide/workdir/05)
[INFO] [stderr]  Documenting advent_22 v0.1.0 (/opt/rustwide/workdir/22)
[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=24b6a372373fa4f1 -L dependency=/opt/rustwide/target/debug/deps --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-3a47a8424e9f7d50.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 compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.53/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=0b46db9954d6f139 -C extra-filename=-0b46db9954d6f139 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e745718ee331648c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d7254c0854c6fb23.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a00294059a9d31c4.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_04`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_04 04/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=915745d541545bd1 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.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 '-Arustdoc::private-intra-doc-links' -C metadata=61d04d83e3aedc8b -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.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 '-Arustdoc::private-intra-doc-links' -C metadata=fc892e866835200b -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_25`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_25 25/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=10ce871ff2214111 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.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 '-Arustdoc::private-intra-doc-links' -C metadata=5a753b435f7a2813 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.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 '-Arustdoc::private-intra-doc-links' -C metadata=c38df83f3fe202c8 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_06`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_06 06/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=36f7672098fdd0a7 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.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 '-Arustdoc::private-intra-doc-links' -C metadata=47a801c576a1ccae -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.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 '-Arustdoc::private-intra-doc-links' -C metadata=a5e94ee8c5574c27 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[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 '-Arustdoc::private-intra-doc-links' -C metadata=2de9977034c105c6 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_08`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name advent_08 08/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=52f42a1bd87ee161 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-24b6a372373fa4f1.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "fbc447a81557d1bd3254d9f7058e09dfd09fcb807c7dbdca2fed24fdb52733fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc447a81557d1bd3254d9f7058e09dfd09fcb807c7dbdca2fed24fdb52733fd", kill_on_drop: false }`
[INFO] [stdout] fbc447a81557d1bd3254d9f7058e09dfd09fcb807c7dbdca2fed24fdb52733fd