[INFO] cloning repository https://github.com/mpardalos/Advent2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpardalos/Advent2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpardalos%2FAdvent2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpardalos%2FAdvent2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2e02c5926df260c3194465972275401f9f5d9cd
[INFO] checking mpardalos/Advent2021 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%2Fmpardalos%2FAdvent2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mpardalos/Advent2021
[INFO] finished tweaking git repo https://github.com/mpardalos/Advent2021
[INFO] tweaked toml for git repo https://github.com/mpardalos/Advent2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mpardalos/Advent2021 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/mpardalos/Advent2021 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d0cc7a6e17fbb228b123f0ada3845fecd1720f7b6b945cb3acf0168ea6ffa33c
[INFO] running `Command { std: "docker" "start" "-a" "d0cc7a6e17fbb228b123f0ada3845fecd1720f7b6b945cb3acf0168ea6ffa33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0cc7a6e17fbb228b123f0ada3845fecd1720f7b6b945cb3acf0168ea6ffa33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cc7a6e17fbb228b123f0ada3845fecd1720f7b6b945cb3acf0168ea6ffa33c", kill_on_drop: false }`
[INFO] [stdout] d0cc7a6e17fbb228b123f0ada3845fecd1720f7b6b945cb3acf0168ea6ffa33c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c01c2bd12dbfafec237ed1ca8a36b9522ed5e77304f1c8ff7bcb079d8cfec8e3
[INFO] running `Command { std: "docker" "start" "-a" "c01c2bd12dbfafec237ed1ca8a36b9522ed5e77304f1c8ff7bcb079d8cfec8e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling sdl2 v0.35.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.35.1
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking aoc21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | /     #[clap(short = 's', about = "Use a sample input")]
[INFO] [stdout] 98 | |     sample_input: Option<String>,
[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<usize, Infallible>
[INFO] [stdout]   --> src/day4.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |             return Some(Bingo::Row(row_idx.try_into().unwrap()));
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/day4.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 |             return Some(Bingo::Column(col_idx.try_into().unwrap()));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | /     #[clap(short = 's', about = "Use a sample input")]
[INFO] [stdout] 98 | |     sample_input: Option<String>,
[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<usize, Infallible>
[INFO] [stdout]   --> src/day4.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |             return Some(Bingo::Row(row_idx.try_into().unwrap()));
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/day4.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 |             return Some(Bingo::Column(col_idx.try_into().unwrap()));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc21` (bin "aoc21") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `aoc21` (bin "aoc21" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c01c2bd12dbfafec237ed1ca8a36b9522ed5e77304f1c8ff7bcb079d8cfec8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01c2bd12dbfafec237ed1ca8a36b9522ed5e77304f1c8ff7bcb079d8cfec8e3", kill_on_drop: false }`
[INFO] [stdout] c01c2bd12dbfafec237ed1ca8a36b9522ed5e77304f1c8ff7bcb079d8cfec8e3
