[INFO] cloning repository https://github.com/ColinBradley/advent_of_code_2023_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColinBradley/advent_of_code_2023_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColinBradley%2Fadvent_of_code_2023_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColinBradley%2Fadvent_of_code_2023_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 098f6c4bcb64ad5e802e0b34f88f8af0da137845
[INFO] checking ColinBradley/advent_of_code_2023_rust/098f6c4bcb64ad5e802e0b34f88f8af0da137845 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColinBradley%2Fadvent_of_code_2023_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ColinBradley/advent_of_code_2023_rust on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ColinBradley/advent_of_code_2023_rust
[INFO] finished tweaking git repo https://github.com/ColinBradley/advent_of_code_2023_rust
[INFO] tweaked toml for git repo https://github.com/ColinBradley/advent_of_code_2023_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ColinBradley/advent_of_code_2023_rust 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5dbfadc66b2bf7229108b3598b2f208e896431957932798c15243cfb77c1b3a
[INFO] running `Command { std: "docker" "start" "-a" "b5dbfadc66b2bf7229108b3598b2f208e896431957932798c15243cfb77c1b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5dbfadc66b2bf7229108b3598b2f208e896431957932798c15243cfb77c1b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dbfadc66b2bf7229108b3598b2f208e896431957932798c15243cfb77c1b3a", kill_on_drop: false }`
[INFO] [stdout] b5dbfadc66b2bf7229108b3598b2f208e896431957932798c15243cfb77c1b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb8d94cb732e4d2b0b639d1e445c24824154259f851585d987ccd6fb7580abe
[INFO] running `Command { std: "docker" "start" "-a" "4bb8d94cb732e4d2b0b639d1e445c24824154259f851585d987ccd6fb7580abe", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking day_1 v0.1.0 (/opt/rustwide/workdir/day_1)
[INFO] [stderr]     Checking day_4 v0.1.0 (/opt/rustwide/workdir/day_4)
[INFO] [stderr]     Checking day_3 v0.1.0 (/opt/rustwide/workdir/day_3)
[INFO] [stderr]     Checking day_2 v0.1.0 (/opt/rustwide/workdir/day_2)
[INFO] [stdout] warning: the feature `byte_slice_trim_ascii` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day_4/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(byte_slice_trim_ascii)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `byte_slice_trim_ascii` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day_4/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(byte_slice_trim_ascii)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> day_4/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Card {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 7 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> day_4/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Card {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 7 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4bb8d94cb732e4d2b0b639d1e445c24824154259f851585d987ccd6fb7580abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb8d94cb732e4d2b0b639d1e445c24824154259f851585d987ccd6fb7580abe", kill_on_drop: false }`
[INFO] [stdout] 4bb8d94cb732e4d2b0b639d1e445c24824154259f851585d987ccd6fb7580abe