[INFO] cloning repository https://github.com/NinProf/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/NinProf/Advent-of-Code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinProf%2FAdvent-of-Code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinProf%2FAdvent-of-Code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2ca49967cc6dfef5ec4d95d295d7966227f9bc7
[INFO] documenting NinProf/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%2FNinProf%2FAdvent-of-Code-2020" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NinProf/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/NinProf/Advent-of-Code-2020
[INFO] finished tweaking git repo https://github.com/NinProf/Advent-of-Code-2020
[INFO] tweaked toml for git repo https://github.com/NinProf/Advent-of-Code-2020 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/NinProf/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded reduce v0.1.3
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] aee2a72e8f10671de8336ad1c624bd40423a9147694356efea63cd77b366a140
[INFO] running `Command { std: "docker" "start" "-a" "aee2a72e8f10671de8336ad1c624bd40423a9147694356efea63cd77b366a140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aee2a72e8f10671de8336ad1c624bd40423a9147694356efea63cd77b366a140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee2a72e8f10671de8336ad1c624bd40423a9147694356efea63cd77b366a140", kill_on_drop: false }`
[INFO] [stdout] aee2a72e8f10671de8336ad1c624bd40423a9147694356efea63cd77b366a140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 26b4ad26f3f76aa36da4884c8a9f7a0a7f82c8de735b0114eeff47efc1eb214d
[INFO] running `Command { std: "docker" "start" "-a" "26b4ad26f3f76aa36da4884c8a9f7a0a7f82c8de735b0114eeff47efc1eb214d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking reduce v0.1.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[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 day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]  Documenting day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]  Documenting day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]  Documenting day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]  Documenting day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]  Documenting day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]  Documenting day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]  Documenting day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]  Documenting day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]  Documenting day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]  Documenting day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]  Documenting day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]  Documenting day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]  Documenting day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]  Documenting day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]  Documenting day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]  Documenting day15 v0.1.0 (/opt/rustwide/workdir/day15)
[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=afa088677cdd9831 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-bfe990963035bea4.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 `day13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day13 day13/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d4d335561f61dcac -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-afa088677cdd9831.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day04`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day04 day04/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=80b060cc2097cf16 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-afa088677cdd9831.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b833a89e0df1d713.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day14 day14/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b5684c477ba1db8e -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-afa088677cdd9831.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b833a89e0df1d713.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day02`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day02 day02/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8088a218649c4424 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-afa088677cdd9831.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b833a89e0df1d713.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day06`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day06 day06/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0bf863f55984b0df -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-afa088677cdd9831.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day16 day16/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=deb712612a488795 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-afa088677cdd9831.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b833a89e0df1d713.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day17 day17/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d1c822a97494731c -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern common=/opt/rustwide/target/debug/deps/libcommon-afa088677cdd9831.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b833a89e0df1d713.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "26b4ad26f3f76aa36da4884c8a9f7a0a7f82c8de735b0114eeff47efc1eb214d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b4ad26f3f76aa36da4884c8a9f7a0a7f82c8de735b0114eeff47efc1eb214d", kill_on_drop: false }`
[INFO] [stdout] 26b4ad26f3f76aa36da4884c8a9f7a0a7f82c8de735b0114eeff47efc1eb214d