[INFO] cloning repository https://github.com/ahartel/aoc21
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahartel/aoc21" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahartel%2Faoc21", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahartel%2Faoc21'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dd9dcd0d7188e99bb18eeb7077510711a626793
[INFO] checking ahartel/aoc21 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%2Fahartel%2Faoc21" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ahartel/aoc21
[INFO] finished tweaking git repo https://github.com/ahartel/aoc21
[INFO] tweaked toml for git repo https://github.com/ahartel/aoc21 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ahartel/aoc21 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/ahartel/aoc21 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 70ced964c25a718e4d677ffde778413cbed175111b595ad564c93d4833b4970d
[INFO] running `Command { std: "docker" "start" "-a" "70ced964c25a718e4d677ffde778413cbed175111b595ad564c93d4833b4970d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70ced964c25a718e4d677ffde778413cbed175111b595ad564c93d4833b4970d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ced964c25a718e4d677ffde778413cbed175111b595ad564c93d4833b4970d", kill_on_drop: false }`
[INFO] [stdout] 70ced964c25a718e4d677ffde778413cbed175111b595ad564c93d4833b4970d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 42813021f00d64cda8fcb11409b481ef8db640506ae02eb45f3d268dde467f22
[INFO] running `Command { std: "docker" "start" "-a" "42813021f00d64cda8fcb11409b481ef8db640506ae02eb45f3d268dde467f22", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/bin/day07.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let num_steps = f64::try_from(diff.abs()).expect("too large absolute value?");
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc21` (bin "day07" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/bin/day07.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let num_steps = f64::try_from(diff.abs()).expect("too large absolute value?");
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc21` (bin "day07") due to 1 previous error
[INFO] [stdout] warning: method `consume_iter` is never used
[INFO] [stdout]   --> src/bin/day19.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Scanner {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn consume_iter(
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42813021f00d64cda8fcb11409b481ef8db640506ae02eb45f3d268dde467f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42813021f00d64cda8fcb11409b481ef8db640506ae02eb45f3d268dde467f22", kill_on_drop: false }`
[INFO] [stdout] 42813021f00d64cda8fcb11409b481ef8db640506ae02eb45f3d268dde467f22