[INFO] cloning repository https://github.com/scott181182/rust-crossword
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scott181182/rust-crossword" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott181182%2Frust-crossword", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott181182%2Frust-crossword'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 199a08f17739d718a4e9d1e9e308d0d84f43dfc6
[INFO] checking scott181182/rust-crossword 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%2Fscott181182%2Frust-crossword" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/scott181182/rust-crossword
[INFO] finished tweaking git repo https://github.com/scott181182/rust-crossword
[INFO] tweaked toml for git repo https://github.com/scott181182/rust-crossword written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/scott181182/rust-crossword 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/scott181182/rust-crossword 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a918a21c8192ab17312001ee528bc5fca5d2618aa757095e90075bd99274be20
[INFO] running `Command { std: "docker" "start" "-a" "a918a21c8192ab17312001ee528bc5fca5d2618aa757095e90075bd99274be20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a918a21c8192ab17312001ee528bc5fca5d2618aa757095e90075bd99274be20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a918a21c8192ab17312001ee528bc5fca5d2618aa757095e90075bd99274be20", kill_on_drop: false }`
[INFO] [stdout] a918a21c8192ab17312001ee528bc5fca5d2618aa757095e90075bd99274be20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9f223b43aed1e5a72def3079b00c8635db7e7252137138ecc64865c2e0957b9f
[INFO] running `Command { std: "docker" "start" "-a" "9f223b43aed1e5a72def3079b00c8635db7e7252137138ecc64865c2e0957b9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling binrw_derive v0.14.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling binrw v0.14.1
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking crosswork v0.1.0 (/opt/rustwide/workdir/crosswork)
[INFO] [stderr]     Checking puz-parser v0.1.0 (/opt/rustwide/workdir/puz-parser)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> puz-parser/src/boards.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[br(count = width * height)]
[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]   --> puz-parser/src/boards.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[br(count = width * height)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> puz-parser/src/strings.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[br(count = clue_count)]
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `puz-parser` (lib) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> puz-parser/src/boards.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[br(count = width * height)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> puz-parser/src/boards.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[br(count = width * height)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> puz-parser/src/strings.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[br(count = clue_count)]
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `puz-parser` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "9f223b43aed1e5a72def3079b00c8635db7e7252137138ecc64865c2e0957b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f223b43aed1e5a72def3079b00c8635db7e7252137138ecc64865c2e0957b9f", kill_on_drop: false }`
[INFO] [stdout] 9f223b43aed1e5a72def3079b00c8635db7e7252137138ecc64865c2e0957b9f