[INFO] cloning repository https://github.com/nevzheng/advent23
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nevzheng/advent23" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevzheng%2Fadvent23", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevzheng%2Fadvent23'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67cbf963bec72da6861cb1e5b74ffa69de2cb470
[INFO] checking nevzheng/advent23 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%2Fnevzheng%2Fadvent23" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nevzheng/advent23
[INFO] finished tweaking git repo https://github.com/nevzheng/advent23
[INFO] tweaked toml for git repo https://github.com/nevzheng/advent23 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nevzheng/advent23 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/nevzheng/advent23 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] e144d7fa7a3cbb7334d268952f9cf0cf2346db1a7d243a7eb33b200b36eaa77c
[INFO] running `Command { std: "docker" "start" "-a" "e144d7fa7a3cbb7334d268952f9cf0cf2346db1a7d243a7eb33b200b36eaa77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e144d7fa7a3cbb7334d268952f9cf0cf2346db1a7d243a7eb33b200b36eaa77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e144d7fa7a3cbb7334d268952f9cf0cf2346db1a7d243a7eb33b200b36eaa77c", kill_on_drop: false }`
[INFO] [stdout] e144d7fa7a3cbb7334d268952f9cf0cf2346db1a7d243a7eb33b200b36eaa77c
[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] 77785919cea91c983fbd4a367ceb81129a92d74d587aebaba3ef677a70419ce9
[INFO] running `Command { std: "docker" "start" "-a" "77785919cea91c983fbd4a367ceb81129a92d74d587aebaba3ef677a70419ce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]     Checking const_format v0.2.32
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling sscanf_macro v0.4.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking sscanf v0.4.1
[INFO] [stderr]     Checking advent_of_code v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/04.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/04.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/04.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, FromStrFailedError<String>>, String>
[INFO] [stdout]   --> src/bin/04.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").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<String, FromStrFailedError<String>>
[INFO] [stdout]   --> src/bin/04.rs:27:61
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").unwrap();
[INFO] [stdout]    |                                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, FromStrFailedError<String>>, String>
[INFO] [stdout]   --> src/bin/04.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").unwrap();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, FromStrFailedError<String>>
[INFO] [stdout]   --> src/bin/04.rs:27:72
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").unwrap();
[INFO] [stdout]    |                                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/04.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, FromStrFailedError<String>>, String>
[INFO] [stdout]   --> src/bin/04.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").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<String, FromStrFailedError<String>>
[INFO] [stdout]   --> src/bin/04.rs:27:61
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").unwrap();
[INFO] [stdout]    |                                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, FromStrFailedError<String>>, String>
[INFO] [stdout]   --> src/bin/04.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").unwrap();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, FromStrFailedError<String>>
[INFO] [stdout]   --> src/bin/04.rs:27:72
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (id, winners, nums) = sscanf!(line, "Card {usize}: {String} | {String}").unwrap();
[INFO] [stdout]    |                                                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code` (bin "04" test) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `advent_of_code` (bin "04") due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "77785919cea91c983fbd4a367ceb81129a92d74d587aebaba3ef677a70419ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77785919cea91c983fbd4a367ceb81129a92d74d587aebaba3ef677a70419ce9", kill_on_drop: false }`
[INFO] [stdout] 77785919cea91c983fbd4a367ceb81129a92d74d587aebaba3ef677a70419ce9
