[INFO] cloning repository https://github.com/jesjos/advent-of-code-2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jesjos/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjesjos%2Fadvent-of-code-2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjesjos%2Fadvent-of-code-2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4be6fcc074d9a60b03831de0cb88a2dad2b634d8 [INFO] checking jesjos/advent-of-code-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%2Fjesjos%2Fadvent-of-code-2021" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jesjos/advent-of-code-2021 [INFO] finished tweaking git repo https://github.com/jesjos/advent-of-code-2021 [INFO] tweaked toml for git repo https://github.com/jesjos/advent-of-code-2021 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jesjos/advent-of-code-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/jesjos/advent-of-code-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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ee4e2cc35ff27edca1c56f32d430b170f2b3de6f0436a24b579d7120ca0193ec [INFO] running `Command { std: "docker" "start" "-a" "ee4e2cc35ff27edca1c56f32d430b170f2b3de6f0436a24b579d7120ca0193ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee4e2cc35ff27edca1c56f32d430b170f2b3de6f0436a24b579d7120ca0193ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee4e2cc35ff27edca1c56f32d430b170f2b3de6f0436a24b579d7120ca0193ec", kill_on_drop: false }` [INFO] [stdout] ee4e2cc35ff27edca1c56f32d430b170f2b3de6f0436a24b579d7120ca0193ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 822a87dd4a6270a86e808def9593a6ce813421e730d7c23e4fb82d46067d41f1 [INFO] running `Command { std: "docker" "start" "-a" "822a87dd4a6270a86e808def9593a6ce813421e730d7c23e4fb82d46067d41f1", kill_on_drop: false }` [INFO] [stderr] Checking aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_4.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | remaining_numbers.iter().map(|num| u32::try_from(**num).unwrap_or(0)).sum::() * u32::try_from(*last_number).unwrap() [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 [INFO] [stdout] --> src/day_4.rs:12:90 [INFO] [stdout] | [INFO] [stdout] 12 | remaining_numbers.iter().map(|num| u32::try_from(**num).unwrap_or(0)).sum::() * u32::try_from(*last_number).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_4.rs:79:20 [INFO] [stdout] | [INFO] [stdout] 79 | fn new(origin: &[u8]) -> SublistIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 79 | fn new(origin: &[u8]) -> SublistIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (bin "aoc2021") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/day_4.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | remaining_numbers.iter().map(|num| u32::try_from(**num).unwrap_or(0)).sum::() * u32::try_from(*last_number).unwrap() [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 [INFO] [stdout] --> src/day_4.rs:12:90 [INFO] [stdout] | [INFO] [stdout] 12 | remaining_numbers.iter().map(|num| u32::try_from(**num).unwrap_or(0)).sum::() * u32::try_from(*last_number).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_4.rs:79:20 [INFO] [stdout] | [INFO] [stdout] 79 | fn new(origin: &[u8]) -> SublistIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 79 | fn new(origin: &[u8]) -> SublistIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&u8` instead of cloning the inner type [INFO] [stdout] --> src/day_4.rs:240:63 [INFO] [stdout] | [INFO] [stdout] 240 | assert_eq!(vec![24,25], unmarked.iter().map(|num| *num.clone()).collect::>()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (bin "aoc2021" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "822a87dd4a6270a86e808def9593a6ce813421e730d7c23e4fb82d46067d41f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "822a87dd4a6270a86e808def9593a6ce813421e730d7c23e4fb82d46067d41f1", kill_on_drop: false }` [INFO] [stdout] 822a87dd4a6270a86e808def9593a6ce813421e730d7c23e4fb82d46067d41f1