[INFO] cloning repository https://github.com/Tarkin25/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tarkin25/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarkin25%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarkin25%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c573c88ce2dc2d3fc11352c1eeb5d55d96969d9
[INFO] documenting Tarkin25/advent-of-code-2021 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%2FTarkin25%2Fadvent-of-code-2021" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tarkin25/advent-of-code-2021 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/Tarkin25/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/Tarkin25/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/Tarkin25/advent-of-code-2021 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/Tarkin25/advent-of-code-2021 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 futures-util v0.3.18
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded futures-channel v0.3.18
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded futures-sink v0.3.18
[INFO] [stderr]   Downloaded security-framework v2.4.2
[INFO] [stderr]   Downloaded security-framework-sys v2.4.2
[INFO] [stderr]   Downloaded futures-task v0.3.18
[INFO] [stderr]   Downloaded openssl-sys v0.9.71
[INFO] [stderr]   Downloaded http v0.2.5
[INFO] [stderr]   Downloaded hyper v0.14.15
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded reqwest v0.11.7
[INFO] [stderr]   Downloaded h2 v0.3.7
[INFO] [stderr]   Downloaded pkg-config v0.3.23
[INFO] [stderr]   Downloaded tokio v1.14.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] c6a3d1568946c80f8416d035839514b8d562cf4ef5a1a1ce111ce3899026914e
[INFO] running `Command { std: "docker" "start" "-a" "c6a3d1568946c80f8416d035839514b8d562cf4ef5a1a1ce111ce3899026914e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a3d1568946c80f8416d035839514b8d562cf4ef5a1a1ce111ce3899026914e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a3d1568946c80f8416d035839514b8d562cf4ef5a1a1ce111ce3899026914e", kill_on_drop: false }`
[INFO] [stdout] c6a3d1568946c80f8416d035839514b8d562cf4ef5a1a1ce111ce3899026914e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 5537acfdcec812e25ade96f138e512b9eb644b4f674e4d89c70fe6e158208290
[INFO] running `Command { std: "docker" "start" "-a" "5537acfdcec812e25ade96f138e512b9eb644b4f674e4d89c70fe6e158208290", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.23
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking input v0.1.0 (/opt/rustwide/workdir/input)
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]  Documenting day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]  Documenting day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]  Documenting input v0.1.0 (/opt/rustwide/workdir/input)
[INFO] [stderr]  Documenting day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]  Documenting day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]  Documenting day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]  Documenting day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]  Documenting day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]  Documenting day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]  Documenting day-11 v0.1.0 (/opt/rustwide/workdir/day-11)
[INFO] [stderr]  Documenting day-13 v0.1.0 (/opt/rustwide/workdir/day-13)
[INFO] [stderr]  Documenting day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stderr]  Documenting day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]  Documenting day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> day-13/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(string_remove_matches)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `day-06`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_06 day-06/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=deefbcf9ae1f723c -L dependency=/opt/rustwide/target/debug/deps --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-01`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name day_01 day-01/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=00d3770448d0b016 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-02`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name day_02 day-02/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=106b53571f0ecedf -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-03`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_03 day-03/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2b38a69f94d67482 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-04`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_04 day-04/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8405417b8be84d6d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-07`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name day_07 day-07/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=354ace83d33307cd -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `day-13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name day_13 day-13/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9245016084d36d7b -L dependency=/opt/rustwide/target/debug/deps --extern input=/opt/rustwide/target/debug/deps/libinput-de83f3f1c3529b44.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `day-05`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_05 day-05/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=330822051f0e0bcb -L dependency=/opt/rustwide/target/debug/deps --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=2021 --crate-type lib --crate-name day_12 day-12/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b951a117e824c6d0 -L dependency=/opt/rustwide/target/debug/deps --extern input=/opt/rustwide/target/debug/deps/libinput-de83f3f1c3529b44.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5537acfdcec812e25ade96f138e512b9eb644b4f674e4d89c70fe6e158208290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5537acfdcec812e25ade96f138e512b9eb644b4f674e4d89c70fe6e158208290", kill_on_drop: false }`
[INFO] [stdout] 5537acfdcec812e25ade96f138e512b9eb644b4f674e4d89c70fe6e158208290