[INFO] fetching crate minparser 0.10.0...
[INFO] checking minparser-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate minparser 0.10.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate minparser 0.10.0
[INFO] finished tweaking crates.io crate minparser 0.10.0
[INFO] tweaked toml for crates.io crate minparser 0.10.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minparser 0.10.0 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 crates.io crate minparser 0.10.0 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-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] 2cccd8257441c6cfd68e85a22bd27b0d5567ab4c8f26750651f894c677a102a2
[INFO] running `Command { std: "docker" "start" "-a" "2cccd8257441c6cfd68e85a22bd27b0d5567ab4c8f26750651f894c677a102a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cccd8257441c6cfd68e85a22bd27b0d5567ab4c8f26750651f894c677a102a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cccd8257441c6cfd68e85a22bd27b0d5567ab4c8f26750651f894c677a102a2", kill_on_drop: false }`
[INFO] [stdout] 2cccd8257441c6cfd68e85a22bd27b0d5567ab4c8f26750651f894c677a102a2
[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] 9e61322f8f8eff1aec32f82b245d168fe6da317e1376533893ef3257d395949c
[INFO] running `Command { std: "docker" "start" "-a" "9e61322f8f8eff1aec32f82b245d168fe6da317e1376533893ef3257d395949c", kill_on_drop: false }`
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking minparser v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:345:89
[INFO] [stdout]     |
[INFO] [stdout] 345 |       fn parse(&self, st : View<'a, F>) -> Result<(Self::Data, View<'a, F>), Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 346 | |         let mut c = Count::new();
[INFO] [stdout] 347 | |         let r = self.parse_logic(st, &mut c);
[INFO] [stdout] 348 | |         Ok((c.0, r))
[INFO] [stdout] 349 | |     }
[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, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         Ok((c.0, r))
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(I, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:355:89
[INFO] [stdout]     |
[INFO] [stdout] 355 |       fn parse(&self, st : View<'a, F>) -> Result<(Self::Data, View<'a, F>), Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 356 | |         let mut c = I::default();
[INFO] [stdout] 357 | |         let r = self.0.parse_logic(st, &mut c);
[INFO] [stdout] 358 | |         Ok((c, r))
[INFO] [stdout] 359 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(I, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |         Ok((c, r))
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(&str, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:416:89
[INFO] [stdout]     |
[INFO] [stdout] 416 |       fn parse(&self, st : View<'a, F>) -> Result<(Self::Data, View<'a, F>), Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 417 | |         Ok(st.match_always_string(&self.0))
[INFO] [stdout] 418 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(&str, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         Ok(st.match_always_string(&self.0))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:345:89
[INFO] [stdout]     |
[INFO] [stdout] 345 |       fn parse(&self, st : View<'a, F>) -> Result<(Self::Data, View<'a, F>), Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 346 | |         let mut c = Count::new();
[INFO] [stdout] 347 | |         let r = self.parse_logic(st, &mut c);
[INFO] [stdout] 348 | |         Ok((c.0, r))
[INFO] [stdout] 349 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minparser` (lib) due to 6 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         Ok((c.0, r))
[INFO] [stdout]     |         ^^^^^^^^^^^^
[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<(I, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:355:89
[INFO] [stdout]     |
[INFO] [stdout] 355 |       fn parse(&self, st : View<'a, F>) -> Result<(Self::Data, View<'a, F>), Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 356 | |         let mut c = I::default();
[INFO] [stdout] 357 | |         let r = self.0.parse_logic(st, &mut c);
[INFO] [stdout] 358 | |         Ok((c, r))
[INFO] [stdout] 359 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minparser` (lib test) due to 6 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<(I, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |         Ok((c, r))
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(&str, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:416:89
[INFO] [stdout]     |
[INFO] [stdout] 416 |       fn parse(&self, st : View<'a, F>) -> Result<(Self::Data, View<'a, F>), Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 417 | |         Ok(st.match_always_string(&self.0))
[INFO] [stdout] 418 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(&str, View<'_, F>), Infallible>
[INFO] [stdout]    --> src/view.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         Ok(st.match_always_string(&self.0))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e61322f8f8eff1aec32f82b245d168fe6da317e1376533893ef3257d395949c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e61322f8f8eff1aec32f82b245d168fe6da317e1376533893ef3257d395949c", kill_on_drop: false }`
[INFO] [stdout] 9e61322f8f8eff1aec32f82b245d168fe6da317e1376533893ef3257d395949c