[INFO] cloning repository https://github.com/nelson137/adventofcode-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nelson137/adventofcode-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelson137%2Fadventofcode-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelson137%2Fadventofcode-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccd3701c3d6ea0c84c9598a40d44052df39568a1
[INFO] checking nelson137/adventofcode-2021 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelson137%2Fadventofcode-2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nelson137/adventofcode-2021
[INFO] finished tweaking git repo https://github.com/nelson137/adventofcode-2021
[INFO] tweaked toml for git repo https://github.com/nelson137/adventofcode-2021 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nelson137/adventofcode-2021 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nelson137/adventofcode-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7a67d1470e29417dc0916685e3c4f4dfa621e43ffdaad70b9076181549383d
[INFO] running `Command { std: "docker" "start" "-a" "ce7a67d1470e29417dc0916685e3c4f4dfa621e43ffdaad70b9076181549383d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7a67d1470e29417dc0916685e3c4f4dfa621e43ffdaad70b9076181549383d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7a67d1470e29417dc0916685e3c4f4dfa621e43ffdaad70b9076181549383d", kill_on_drop: false }`
[INFO] [stdout] ce7a67d1470e29417dc0916685e3c4f4dfa621e43ffdaad70b9076181549383d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ced4448cd4f020b3a23fb5e8a8b25e94fbe6040ffe88efb6e20c12c1c0facdfb
[INFO] running `Command { std: "docker" "start" "-a" "ced4448cd4f020b3a23fb5e8a8b25e94fbe6040ffe88efb6e20c12c1c0facdfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking adventofcode-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day1/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 17 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day2/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day3/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day4/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day5/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 21 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day6/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 12 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day7/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 12 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day8/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 22 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day9/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 21 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day10/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day11/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 17 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day12/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day13/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day14/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 17 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode-2021` (bin "adventofcode-2021") due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day1/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 17 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day2/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day3/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day4/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day5/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 21 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day6/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 12 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day7/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 12 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day8/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 22 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day9/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 21 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day10/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day11/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 17 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day12/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day13/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 20 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/days/day14/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt(default_value = &INFILE_PATH)]
[INFO] [stdout] 17 | |     infile: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode-2021` (bin "adventofcode-2021" test) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "ced4448cd4f020b3a23fb5e8a8b25e94fbe6040ffe88efb6e20c12c1c0facdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced4448cd4f020b3a23fb5e8a8b25e94fbe6040ffe88efb6e20c12c1c0facdfb", kill_on_drop: false }`
[INFO] [stdout] ced4448cd4f020b3a23fb5e8a8b25e94fbe6040ffe88efb6e20c12c1c0facdfb