[INFO] fetching crate utf8_utils 0.1.0... [INFO] testing utf8_utils-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate utf8_utils 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate utf8_utils 0.1.0 [INFO] finished tweaking crates.io crate utf8_utils 0.1.0 [INFO] tweaked toml for crates.io crate utf8_utils 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate utf8_utils 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0dd30d7cc117273436d278b9d3d3cbfc396ee2d9bcfa5e7ff95ac8d72e880b93 [INFO] running `Command { std: "docker" "start" "-a" "0dd30d7cc117273436d278b9d3d3cbfc396ee2d9bcfa5e7ff95ac8d72e880b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dd30d7cc117273436d278b9d3d3cbfc396ee2d9bcfa5e7ff95ac8d72e880b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dd30d7cc117273436d278b9d3d3cbfc396ee2d9bcfa5e7ff95ac8d72e880b93", kill_on_drop: false }` [INFO] [stdout] 0dd30d7cc117273436d278b9d3d3cbfc396ee2d9bcfa5e7ff95ac8d72e880b93 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a89d926d52cd0db01b85ab1f9558dbfc49e0077694b6a2378af539e1cce22ea4 [INFO] running `Command { std: "docker" "start" "-a" "a89d926d52cd0db01b85ab1f9558dbfc49e0077694b6a2378af539e1cce22ea4", kill_on_drop: false }` [INFO] [stderr] Compiling utf8_utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:43:22 [INFO] [stdout] | [INFO] [stdout] 43 | fn as_utf8_lossy(&self) -> Cow; [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] 43 | fn as_utf8_lossy(&self) -> Cow<'_, str>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:72:22 [INFO] [stdout] | [INFO] [stdout] 72 | fn as_utf8_lossy(&self) -> Cow { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 72 | fn as_utf8_lossy(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "a89d926d52cd0db01b85ab1f9558dbfc49e0077694b6a2378af539e1cce22ea4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a89d926d52cd0db01b85ab1f9558dbfc49e0077694b6a2378af539e1cce22ea4", kill_on_drop: false }` [INFO] [stdout] a89d926d52cd0db01b85ab1f9558dbfc49e0077694b6a2378af539e1cce22ea4 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4790c962196d8539dcc51c1c7c2dfbca926cd4c3646a575f5cc48f55c3d9188f [INFO] running `Command { std: "docker" "start" "-a" "4790c962196d8539dcc51c1c7c2dfbca926cd4c3646a575f5cc48f55c3d9188f", kill_on_drop: false }` [INFO] [stderr] Compiling utf8_utils v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:43:22 [INFO] [stdout] | [INFO] [stdout] 43 | fn as_utf8_lossy(&self) -> Cow; [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] 43 | fn as_utf8_lossy(&self) -> Cow<'_, str>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:72:22 [INFO] [stdout] | [INFO] [stdout] 72 | fn as_utf8_lossy(&self) -> Cow { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 72 | fn as_utf8_lossy(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:43:22 [INFO] [stdout] | [INFO] [stdout] 43 | fn as_utf8_lossy(&self) -> Cow; [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] 43 | fn as_utf8_lossy(&self) -> Cow<'_, str>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:72:22 [INFO] [stdout] | [INFO] [stdout] 72 | fn as_utf8_lossy(&self) -> Cow { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 72 | fn as_utf8_lossy(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "4790c962196d8539dcc51c1c7c2dfbca926cd4c3646a575f5cc48f55c3d9188f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4790c962196d8539dcc51c1c7c2dfbca926cd4c3646a575f5cc48f55c3d9188f", kill_on_drop: false }` [INFO] [stdout] 4790c962196d8539dcc51c1c7c2dfbca926cd4c3646a575f5cc48f55c3d9188f [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a4d8d5a9f288b8c1995aae5c0dfab7e7364799fbbf51cb265902667a2955bff0 [INFO] running `Command { std: "docker" "start" "-a" "a4d8d5a9f288b8c1995aae5c0dfab7e7364799fbbf51cb265902667a2955bff0", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:43:22 [INFO] [stderr] | [INFO] [stderr] 43 | fn as_utf8_lossy(&self) -> Cow; [INFO] [stderr] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 43 | fn as_utf8_lossy(&self) -> Cow<'_, str>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:72:22 [INFO] [stderr] | [INFO] [stderr] 72 | fn as_utf8_lossy(&self) -> Cow { [INFO] [stderr] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 72 | fn as_utf8_lossy(&self) -> Cow<'_, str> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `utf8_utils` (lib) generated 2 warnings (run `cargo fix --lib -p utf8_utils` to apply 2 suggestions) [INFO] [stderr] warning: `utf8_utils` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8_utils-5c1108549cfdc122) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests utf8_utils [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a4d8d5a9f288b8c1995aae5c0dfab7e7364799fbbf51cb265902667a2955bff0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4d8d5a9f288b8c1995aae5c0dfab7e7364799fbbf51cb265902667a2955bff0", kill_on_drop: false }` [INFO] [stdout] a4d8d5a9f288b8c1995aae5c0dfab7e7364799fbbf51cb265902667a2955bff0