[INFO] fetching crate trim_matches_exactly 0.1.0...
[INFO] testing trim_matches_exactly-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate trim_matches_exactly 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate trim_matches_exactly 0.1.0
[INFO] finished tweaking crates.io crate trim_matches_exactly 0.1.0
[INFO] tweaked toml for crates.io crate trim_matches_exactly 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trim_matches_exactly 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 676c80e1bbf88fd5f745b550874f420ace0e68051806fe810820d1388a516821
[INFO] running `Command { std: "docker" "start" "-a" "676c80e1bbf88fd5f745b550874f420ace0e68051806fe810820d1388a516821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "676c80e1bbf88fd5f745b550874f420ace0e68051806fe810820d1388a516821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676c80e1bbf88fd5f745b550874f420ace0e68051806fe810820d1388a516821", kill_on_drop: false }`
[INFO] [stdout] 676c80e1bbf88fd5f745b550874f420ace0e68051806fe810820d1388a516821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86aaf547a82d0055c4f439b57db5b608b0a81927efc86a138a923527247b1c17
[INFO] running `Command { std: "docker" "start" "-a" "86aaf547a82d0055c4f439b57db5b608b0a81927efc86a138a923527247b1c17", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling trim_matches_exactly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn trim_left_matches_exactly<'a, P: Pattern<'a>>(&'a self, pat: P, count: usize)
[INFO] [stdout]    |                                         ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:31:41
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn trim_left_matches_exactly<'a, P: Pattern<'a>>(&'a self, pat: P, count: usize)
[INFO] [stdout]    |                                         ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:72:42
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn trim_right_matches_exactly<'a, P: Pattern<'a>>(&'a self, pat: P, count: usize)
[INFO] [stdout]    |                                          ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for associated type `core::str::pattern::Pattern::Searcher`
[INFO] [stdout]   --> src/lib.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |             where P::Searcher: ReverseSearcher<'a> {
[INFO] [stdout]    |                      ^^^^^^^^ expected 1 lifetime argument
[INFO] [stdout]    |
[INFO] [stdout] help: add missing lifetime argument
[INFO] [stdout]    |
[INFO] [stdout] 74 |             where P::Searcher<'a>: ReverseSearcher<'a> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trim_right_matches_exactly<'a, P: Pattern<'a>>(&'a self, pat: P, count: usize)
[INFO] [stdout]    |                                          ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for associated type `core::str::pattern::Pattern::Searcher`
[INFO] [stdout]   --> src/lib.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         where P::Searcher: ReverseSearcher<'a>;
[INFO] [stdout]    |                  ^^^^^^^^ expected 1 lifetime argument
[INFO] [stdout]    |
[INFO] [stdout] help: add missing lifetime argument
[INFO] [stdout]    |
[INFO] [stdout] 53 |         where P::Searcher<'a>: ReverseSearcher<'a>;
[INFO] [stdout]    |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Ok(self.slice_unchecked(trim_idx, self.len()))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Ok(self.slice_unchecked(0, trim_idx))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trim_matches_exactly` (lib) due to 7 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "86aaf547a82d0055c4f439b57db5b608b0a81927efc86a138a923527247b1c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86aaf547a82d0055c4f439b57db5b608b0a81927efc86a138a923527247b1c17", kill_on_drop: false }`
[INFO] [stdout] 86aaf547a82d0055c4f439b57db5b608b0a81927efc86a138a923527247b1c17
