[INFO] fetching crate trim_matches_exactly 0.1.0...
[INFO] testing trim_matches_exactly-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate trim_matches_exactly 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate trim_matches_exactly 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c37deb6961ba32cf31ecbf09a4d5479d17ab5ca0b15e40480726eaf34a80b21
[INFO] running `Command { std: "docker" "start" "-a" "8c37deb6961ba32cf31ecbf09a4d5479d17ab5ca0b15e40480726eaf34a80b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c37deb6961ba32cf31ecbf09a4d5479d17ab5ca0b15e40480726eaf34a80b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c37deb6961ba32cf31ecbf09a4d5479d17ab5ca0b15e40480726eaf34a80b21", kill_on_drop: false }`
[INFO] [stdout] 8c37deb6961ba32cf31ecbf09a4d5479d17ab5ca0b15e40480726eaf34a80b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2277031ba026f36760d45e17b8d9d9fc6c89e45e64467fbcfa0900d00a199d35
[INFO] running `Command { std: "docker" "start" "-a" "2277031ba026f36760d45e17b8d9d9fc6c89e45e64467fbcfa0900d00a199d35", kill_on_drop: false }`
[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:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(pattern)]
[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] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trim_matches_exactly` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2277031ba026f36760d45e17b8d9d9fc6c89e45e64467fbcfa0900d00a199d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2277031ba026f36760d45e17b8d9d9fc6c89e45e64467fbcfa0900d00a199d35", kill_on_drop: false }`
[INFO] [stdout] 2277031ba026f36760d45e17b8d9d9fc6c89e45e64467fbcfa0900d00a199d35
[INFO] testing trim_matches_exactly-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate trim_matches_exactly 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate trim_matches_exactly 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8167e6e75cf4f4ca6b52d77aefece0da4a61509c5b18f303b0fc0c53f4b85098
[INFO] running `Command { std: "docker" "start" "-a" "8167e6e75cf4f4ca6b52d77aefece0da4a61509c5b18f303b0fc0c53f4b85098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8167e6e75cf4f4ca6b52d77aefece0da4a61509c5b18f303b0fc0c53f4b85098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8167e6e75cf4f4ca6b52d77aefece0da4a61509c5b18f303b0fc0c53f4b85098", kill_on_drop: false }`
[INFO] [stdout] 8167e6e75cf4f4ca6b52d77aefece0da4a61509c5b18f303b0fc0c53f4b85098
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6924c2b3eb6eac6a9884f35bc0a66322fc6347854fdd95b30600855a971a1942
[INFO] running `Command { std: "docker" "start" "-a" "6924c2b3eb6eac6a9884f35bc0a66322fc6347854fdd95b30600855a971a1942", kill_on_drop: false }`
[INFO] [stderr]    Compiling trim_matches_exactly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(pattern)]
[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] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trim_matches_exactly` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6924c2b3eb6eac6a9884f35bc0a66322fc6347854fdd95b30600855a971a1942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6924c2b3eb6eac6a9884f35bc0a66322fc6347854fdd95b30600855a971a1942", kill_on_drop: false }`
[INFO] [stdout] 6924c2b3eb6eac6a9884f35bc0a66322fc6347854fdd95b30600855a971a1942
