[INFO] cloning repository https://github.com/agmcleod/adventofcode-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agmcleod/adventofcode-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagmcleod%2Fadventofcode-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagmcleod%2Fadventofcode-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9298783b1922e5959e4f58199418dcac7e86d9e5
[INFO] documenting agmcleod/adventofcode-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%2Fagmcleod%2Fadventofcode-2020" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agmcleod/adventofcode-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/agmcleod/adventofcode-2020
[INFO] finished tweaking git repo https://github.com/agmcleod/adventofcode-2020
[INFO] tweaked toml for git repo https://github.com/agmcleod/adventofcode-2020 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/agmcleod/adventofcode-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 673600a8cc8f52b1f62a17eeb8b1a40ce5a0825c741be6203338a344ab0e294e
[INFO] running `Command { std: "docker" "start" "-a" "673600a8cc8f52b1f62a17eeb8b1a40ce5a0825c741be6203338a344ab0e294e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "673600a8cc8f52b1f62a17eeb8b1a40ce5a0825c741be6203338a344ab0e294e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673600a8cc8f52b1f62a17eeb8b1a40ce5a0825c741be6203338a344ab0e294e", kill_on_drop: false }`
[INFO] [stdout] 673600a8cc8f52b1f62a17eeb8b1a40ce5a0825c741be6203338a344ab0e294e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 55799f237d0df595771a22bc4b694a361b098eb6162f6b85b4dce5dc8a46e333
[INFO] running `Command { std: "docker" "start" "-a" "55799f237d0df595771a22bc4b694a361b098eb6162f6b85b4dce5dc8a46e333", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking read_input v0.1.0 (/opt/rustwide/workdir/read_input)
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]  Documenting read_input v0.1.0 (/opt/rustwide/workdir/read_input)
[INFO] [stderr]  Documenting twentythree v0.1.0 (/opt/rustwide/workdir/23)
[INFO] [stderr]  Documenting fifteen v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]  Documenting twentyfive v0.1.0 (/opt/rustwide/workdir/25)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> read_input/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     try!(file.read_to_string(&mut text));
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> read_input/src/lib.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut file = try!(File::open(path));
[INFO] [stdout]   |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting nine v0.1.0 (/opt/rustwide/workdir/9)
[INFO] [stderr]  Documenting ten v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]  Documenting two v0.1.0 (/opt/rustwide/workdir/2)
[INFO] [stderr]  Documenting six v0.1.0 (/opt/rustwide/workdir/6)
[INFO] [stderr]  Documenting fourteen v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]  Documenting twelve v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]  Documenting twenty v0.1.0 (/opt/rustwide/workdir/20)
[INFO] [stderr]  Documenting eleven v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]  Documenting twentyone v0.1.0 (/opt/rustwide/workdir/21)
[INFO] [stderr]  Documenting one v0.1.0 (/opt/rustwide/workdir/1)
[INFO] [stderr]  Documenting five v0.1.0 (/opt/rustwide/workdir/5)
[INFO] [stderr]  Documenting sixteen v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]  Documenting eight v0.1.0 (/opt/rustwide/workdir/8)
[INFO] [stderr]  Documenting twentyfour v0.1.0 (/opt/rustwide/workdir/24)
[INFO] [stderr]  Documenting seventeen v0.1.0 (/opt/rustwide/workdir/17)
[INFO] [stderr]  Documenting three v0.1.0 (/opt/rustwide/workdir/3)
[INFO] [stderr]  Documenting twentytwo v0.1.0 (/opt/rustwide/workdir/22)
[INFO] [stderr]  Documenting thirteen v0.1.0 (/opt/rustwide/workdir/13)
[INFO] [stderr]  Documenting seven v0.1.0 (/opt/rustwide/workdir/7)
[INFO] [stderr] error: could not document `twentythree`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name twentythree 23/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ef8f3c7296496e36 -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 `read_input`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name read_input read_input/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5b2287705dd53cba -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 `twentyfive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name twentyfive 25/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0fb3eb4f3a1fe119 -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 `fifteen`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name fifteen 15/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7d9fc9bc91ac38a5 -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 `two`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name two 2/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dd1c4a3e7d9a2526 -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `seventeen`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name seventeen 17/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=226609d3e2c5f4e3 -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `twenty`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name twenty 20/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3a0ff3c185ad0452 -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `six`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name six 6/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=77d869dc11500621 -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `eleven`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name eleven 11/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7d9b68c454fb3bca -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `eight`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name eight 8/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f21a5b8f9146d111 -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `nine`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name nine 9/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a0d971cecb83d2df -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `five`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name five 5/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=767235909cc3d76a -L dependency=/opt/rustwide/target/debug/deps --extern read_input=/opt/rustwide/target/debug/deps/libread_input-5b2287705dd53cba.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "55799f237d0df595771a22bc4b694a361b098eb6162f6b85b4dce5dc8a46e333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55799f237d0df595771a22bc4b694a361b098eb6162f6b85b4dce5dc8a46e333", kill_on_drop: false }`
[INFO] [stdout] 55799f237d0df595771a22bc4b694a361b098eb6162f6b85b4dce5dc8a46e333