[INFO] cloning repository https://github.com/T-O-R-U-S/tuit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T-O-R-U-S/tuit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Ftuit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Ftuit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0615fd6370e35934b6c6c44c213d999d55a8f61b
[INFO] checking T-O-R-U-S/tuit 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%2FT-O-R-U-S%2Ftuit" "/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/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/T-O-R-U-S/tuit
[INFO] finished tweaking git repo https://github.com/T-O-R-U-S/tuit
[INFO] tweaked toml for git repo https://github.com/T-O-R-U-S/tuit written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/T-O-R-U-S/tuit 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/T-O-R-U-S/tuit 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] 7580ec1c9657d478cfa311e51669bdca9f5bf549b1fab328f871adefdb31bb7a
[INFO] running `Command { std: "docker" "start" "-a" "7580ec1c9657d478cfa311e51669bdca9f5bf549b1fab328f871adefdb31bb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7580ec1c9657d478cfa311e51669bdca9f5bf549b1fab328f871adefdb31bb7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7580ec1c9657d478cfa311e51669bdca9f5bf549b1fab328f871adefdb31bb7a", kill_on_drop: false }`
[INFO] [stdout] 7580ec1c9657d478cfa311e51669bdca9f5bf549b1fab328f871adefdb31bb7a
[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] 6c2faffd0b24ef136ca1859f7bc76f20ae680cd364eed4f38e56503b903f24e9
[INFO] running `Command { std: "docker" "start" "-a" "6c2faffd0b24ef136ca1859f7bc76f20ae680cd364eed4f38e56503b903f24e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling thiserror-core v1.0.50
[INFO] [stderr]     Checking jiff v0.2.8
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling thiserror-core-impl v1.0.50
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking tuit v0.3.1-a2+checkboxes (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<Option<Color>, Infallible>
[INFO] [stdout]    --> src/terminal/anstyle.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 |             otherwise => otherwise.try_into().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] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/widgets/builtins/mod.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn use_backdrop(&self, bg_colour: Colour) -> Backdrop<Self> {
[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] 105 |     fn use_backdrop(&self, bg_colour: Colour) -> Backdrop<'_, Self> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tuit` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6c2faffd0b24ef136ca1859f7bc76f20ae680cd364eed4f38e56503b903f24e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2faffd0b24ef136ca1859f7bc76f20ae680cd364eed4f38e56503b903f24e9", kill_on_drop: false }`
[INFO] [stdout] 6c2faffd0b24ef136ca1859f7bc76f20ae680cd364eed4f38e56503b903f24e9