[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] 3cf69dd09a1f1066b8d3f1efb05db0cdfc5b97db
[INFO] documenting agmcleod/adventofcode-2020 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagmcleod%2Fadventofcode-2020" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agmcleod/adventofcode-2020 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-7/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f6267606bc03289e0bc04d050647c166ac29ef381597fc199d9c56aed38f19
[INFO] running `Command { std: "docker" "start" "-a" "f4f6267606bc03289e0bc04d050647c166ac29ef381597fc199d9c56aed38f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f6267606bc03289e0bc04d050647c166ac29ef381597fc199d9c56aed38f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f6267606bc03289e0bc04d050647c166ac29ef381597fc199d9c56aed38f19", kill_on_drop: false }`
[INFO] [stdout] f4f6267606bc03289e0bc04d050647c166ac29ef381597fc199d9c56aed38f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39704d0689413c35e89bcab05574360bfbc7b6301ed9ef0231783d56dd5c76bd
[INFO] running `Command { std: "docker" "start" "-a" "39704d0689413c35e89bcab05574360bfbc7b6301ed9ef0231783d56dd5c76bd", kill_on_drop: false }`
[INFO] [stderr]     Checking read_input v0.1.0 (/opt/rustwide/workdir/read_input)
[INFO] [stderr]  Documenting fifteen v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]  Documenting read_input v0.1.0 (/opt/rustwide/workdir/read_input)
[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 ten v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]  Documenting nineteen v0.1.0 (/opt/rustwide/workdir/19)
[INFO] [stderr]  Documenting twelve v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]  Documenting three v0.1.0 (/opt/rustwide/workdir/3)
[INFO] [stderr]  Documenting one v0.1.0 (/opt/rustwide/workdir/1)
[INFO] [stderr]  Documenting thirteen v0.1.0 (/opt/rustwide/workdir/13)
[INFO] [stderr]  Documenting five v0.1.0 (/opt/rustwide/workdir/5)
[INFO] [stderr]  Documenting eight v0.1.0 (/opt/rustwide/workdir/8)
[INFO] [stderr]  Documenting six v0.1.0 (/opt/rustwide/workdir/6)
[INFO] [stderr]  Documenting four v0.1.0 (/opt/rustwide/workdir/4)
[INFO] [stderr]  Documenting eleven v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]  Documenting fourteen v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]  Documenting two v0.1.0 (/opt/rustwide/workdir/2)
[INFO] [stderr]  Documenting nine v0.1.0 (/opt/rustwide/workdir/9)
[INFO] [stderr]  Documenting eighteen v0.1.0 (/opt/rustwide/workdir/18)
[INFO] [stderr]  Documenting seventeen v0.1.0 (/opt/rustwide/workdir/17)
[INFO] [stderr]  Documenting sixteen v0.1.0 (/opt/rustwide/workdir/16)
[INFO] [stderr]  Documenting twenty v0.1.0 (/opt/rustwide/workdir/20)
[INFO] [stderr]  Documenting seven v0.1.0 (/opt/rustwide/workdir/7)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "39704d0689413c35e89bcab05574360bfbc7b6301ed9ef0231783d56dd5c76bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39704d0689413c35e89bcab05574360bfbc7b6301ed9ef0231783d56dd5c76bd", kill_on_drop: false }`
[INFO] [stdout] 39704d0689413c35e89bcab05574360bfbc7b6301ed9ef0231783d56dd5c76bd