[INFO] fetching crate starb 0.3.1... [INFO] testing starb-0.3.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate starb 0.3.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate starb 0.3.1 [INFO] finished tweaking crates.io crate starb 0.3.1 [INFO] tweaked toml for crates.io crate starb 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate starb 0.3.1 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] [stderr] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 8989d7575c78f3acd37de7af46e3eb61e155ea4e95782079dac062adfaa7f439 [INFO] running `Command { std: "docker" "start" "-a" "8989d7575c78f3acd37de7af46e3eb61e155ea4e95782079dac062adfaa7f439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8989d7575c78f3acd37de7af46e3eb61e155ea4e95782079dac062adfaa7f439", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8989d7575c78f3acd37de7af46e3eb61e155ea4e95782079dac062adfaa7f439", kill_on_drop: false }` [INFO] [stdout] 8989d7575c78f3acd37de7af46e3eb61e155ea4e95782079dac062adfaa7f439 [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] b9d9313618ddf6ea3468bc3a3de6575631718f096ef5cf7c89268b785de5d1d4 [INFO] running `Command { std: "docker" "start" "-a" "b9d9313618ddf6ea3468bc3a3de6575631718f096ef5cf7c89268b785de5d1d4", kill_on_drop: false }` [INFO] [stderr] Compiling starb v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:63:24 [INFO] [stdout] | [INFO] [stdout] 63 | pub const fn split(&self) -> (Reader, Writer) { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [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] 63 | pub const fn split(&self) -> (Reader<'_, T>, Writer<'_, T>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "b9d9313618ddf6ea3468bc3a3de6575631718f096ef5cf7c89268b785de5d1d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9d9313618ddf6ea3468bc3a3de6575631718f096ef5cf7c89268b785de5d1d4", kill_on_drop: false }` [INFO] [stdout] b9d9313618ddf6ea3468bc3a3de6575631718f096ef5cf7c89268b785de5d1d4 [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] 83e10de4d3156ea8b2a52a1ff36f1c37f18e0cf38322e84fb6ce6ed50c6782fb [INFO] running `Command { std: "docker" "start" "-a" "83e10de4d3156ea8b2a52a1ff36f1c37f18e0cf38322e84fb6ce6ed50c6782fb", kill_on_drop: false }` [INFO] [stderr] Compiling starb v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:63:24 [INFO] [stdout] | [INFO] [stdout] 63 | pub const fn split(&self) -> (Reader, Writer) { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [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] 63 | pub const fn split(&self) -> (Reader<'_, T>, Writer<'_, T>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:63:24 [INFO] [stdout] | [INFO] [stdout] 63 | pub const fn split(&self) -> (Reader, Writer) { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [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] 63 | pub const fn split(&self) -> (Reader<'_, T>, Writer<'_, T>) { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "83e10de4d3156ea8b2a52a1ff36f1c37f18e0cf38322e84fb6ce6ed50c6782fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83e10de4d3156ea8b2a52a1ff36f1c37f18e0cf38322e84fb6ce6ed50c6782fb", kill_on_drop: false }` [INFO] [stdout] 83e10de4d3156ea8b2a52a1ff36f1c37f18e0cf38322e84fb6ce6ed50c6782fb [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] a21f2d083e5f3f3fee102f6b8e6a271040be069593ead47a661a125011e39104 [INFO] running `Command { std: "docker" "start" "-a" "a21f2d083e5f3f3fee102f6b8e6a271040be069593ead47a661a125011e39104", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:63:24 [INFO] [stderr] | [INFO] [stderr] 63 | pub const fn split(&self) -> (Reader, Writer) { [INFO] [stderr] | ^^^^^ ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | | [INFO] [stderr] | | the same lifetime is hidden here [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] 63 | pub const fn split(&self) -> (Reader<'_, T>, Writer<'_, T>) { [INFO] [stderr] | +++ +++ [INFO] [stderr] [INFO] [stderr] warning: `starb` (lib) generated 1 warning (run `cargo fix --lib -p starb` to apply 1 suggestion) [INFO] [stderr] warning: `starb` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/starb-53b6ada9b4cf5b72) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test test::can_iter ... ok [INFO] [stdout] test test::cannot_overwrite ... ok [INFO] [stdout] test test::shift_into_bigger ... ok [INFO] [stdout] test test::len_matches ... ok [INFO] [stdout] test test::can_wrap ... ok [INFO] [stdout] test test::ownership_passes_through ... ok [INFO] [stdout] test test::shift_into_smaller ... ok [INFO] [stdout] test test::unshift_from_bigger ... ok [INFO] [stdout] test test::unshift_from_smaller ... ok [INFO] [stderr] Doc-tests starb [INFO] [stdout] test test::detects_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [INFO] [stdout] [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" "a21f2d083e5f3f3fee102f6b8e6a271040be069593ead47a661a125011e39104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a21f2d083e5f3f3fee102f6b8e6a271040be069593ead47a661a125011e39104", kill_on_drop: false }` [INFO] [stdout] a21f2d083e5f3f3fee102f6b8e6a271040be069593ead47a661a125011e39104