[INFO] fetching crate sliding_window_alt 0.1.2... [INFO] testing sliding_window_alt-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate sliding_window_alt 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate sliding_window_alt 0.1.2 [INFO] finished tweaking crates.io crate sliding_window_alt 0.1.2 [INFO] tweaked toml for crates.io crate sliding_window_alt 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sliding_window_alt 0.1.2 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] crate crates.io crate sliding_window_alt 0.1.2 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 13ea54e6b0909421b57c4bf767a75fcd84b578e9f714a706f3665baec9c455e5 [INFO] running `Command { std: "docker" "start" "-a" "13ea54e6b0909421b57c4bf767a75fcd84b578e9f714a706f3665baec9c455e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13ea54e6b0909421b57c4bf767a75fcd84b578e9f714a706f3665baec9c455e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13ea54e6b0909421b57c4bf767a75fcd84b578e9f714a706f3665baec9c455e5", kill_on_drop: false }` [INFO] [stdout] 13ea54e6b0909421b57c4bf767a75fcd84b578e9f714a706f3665baec9c455e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 783b2179434416dd2f6e426cf5385a2848b4c207b83b180d4e48db8af727d9bc [INFO] running `Command { std: "docker" "start" "-a" "783b2179434416dd2f6e426cf5385a2848b4c207b83b180d4e48db8af727d9bc", kill_on_drop: false }` [INFO] [stderr] Compiling sliding_window_alt v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:246:17 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn iter(&self) -> Chain, Iter> { [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] 246 | pub fn iter(&self) -> Chain, Iter<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "783b2179434416dd2f6e426cf5385a2848b4c207b83b180d4e48db8af727d9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "783b2179434416dd2f6e426cf5385a2848b4c207b83b180d4e48db8af727d9bc", kill_on_drop: false }` [INFO] [stdout] 783b2179434416dd2f6e426cf5385a2848b4c207b83b180d4e48db8af727d9bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7015a9b3326c85e62c44bf352daddf9106f55b0a02cdcb915c79f4f257759051 [INFO] running `Command { std: "docker" "start" "-a" "7015a9b3326c85e62c44bf352daddf9106f55b0a02cdcb915c79f4f257759051", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling libc v0.2.122 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling circular-queue v0.2.6 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling queues v1.1.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:246:17 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn iter(&self) -> Chain, Iter> { [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] 246 | pub fn iter(&self) -> Chain, Iter<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling sliding_window v0.1.2 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling sliding_window_alt v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:246:17 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn iter(&self) -> Chain, Iter> { [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] 246 | pub fn iter(&self) -> Chain, Iter<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 18.69s [INFO] running `Command { std: "docker" "inspect" "7015a9b3326c85e62c44bf352daddf9106f55b0a02cdcb915c79f4f257759051", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7015a9b3326c85e62c44bf352daddf9106f55b0a02cdcb915c79f4f257759051", kill_on_drop: false }` [INFO] [stdout] 7015a9b3326c85e62c44bf352daddf9106f55b0a02cdcb915c79f4f257759051 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9a79943a78ef2a02ce404f8e5752663d9226f49a540030feb905825d48efc120 [INFO] running `Command { std: "docker" "start" "-a" "9a79943a78ef2a02ce404f8e5752663d9226f49a540030feb905825d48efc120", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:246:17 [INFO] [stderr] | [INFO] [stderr] 246 | pub fn iter(&self) -> Chain, Iter> { [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] 246 | pub fn iter(&self) -> Chain, Iter<'_, T>> { [INFO] [stderr] | +++ +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:252:21 [INFO] [stderr] | [INFO] [stderr] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut> { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut<'_, T>> { [INFO] [stderr] | +++ +++ [INFO] [stderr] [INFO] [stderr] warning: `sliding_window_alt` (lib) generated 2 warnings (run `cargo fix --lib -p sliding_window_alt` to apply 2 suggestions) [INFO] [stderr] warning: `sliding_window_alt` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sliding_window_alt-aad3a5be25b60327) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test tests::create ... ok [INFO] [stdout] test tests::from ... ok [INFO] [stdout] test tests::from_slice ... ok [INFO] [stdout] test tests::partialeqs ... ok [INFO] [stdout] test tests::create_too_small ... ok [INFO] [stdout] test tests::index ... ok [INFO] [stdout] test tests::for_loop ... ok [INFO] [stdout] test tests::into_arr ... ok [INFO] [stdout] test tests::push ... ok [INFO] [stdout] test tests::into_vec ... ok [INFO] [stdout] test tests::push_slice_too_much ... ok [INFO] [stdout] test tests::use_iter ... ok [INFO] [stdout] test tests::use_iter_mut ... ok [INFO] [stdout] test tests::push_slice ... ok [INFO] [stdout] test tests::use_iter_no_modif ... ok [INFO] [stdout] test tests::from_empty - should panic ... ok [INFO] [stdout] test tests::into_empty - should panic ... ok [INFO] [stderr] Doc-tests sliding_window_alt [INFO] [stdout] test tests::partialneqs ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 61) ... ok [INFO] [stdout] test src/lib.rs - Chain (line 61) ... ok [INFO] [stdout] test src/lib.rs - Iterator (line 61) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9a79943a78ef2a02ce404f8e5752663d9226f49a540030feb905825d48efc120", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a79943a78ef2a02ce404f8e5752663d9226f49a540030feb905825d48efc120", kill_on_drop: false }` [INFO] [stdout] 9a79943a78ef2a02ce404f8e5752663d9226f49a540030feb905825d48efc120