[INFO] fetching crate optimal-steepest 0.0.0... [INFO] testing optimal-steepest-0.0.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate optimal-steepest 0.0.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate optimal-steepest 0.0.0 [INFO] finished tweaking crates.io crate optimal-steepest 0.0.0 [INFO] tweaked toml for crates.io crate optimal-steepest 0.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate optimal-steepest 0.0.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 90 packages to latest compatible versions [INFO] [stderr] Adding derive-getters v0.3.0 (available: v0.5.0) [INFO] [stderr] Adding derive_more v0.99.20 (available: v2.1.1) [INFO] [stderr] Adding rand v0.8.6 (available: v0.10.1) [INFO] [stderr] Adding test-strategy v0.3.1 (available: v0.4.5) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.18) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c09497b40496da3dc35f0165ad0fbb938068fe73bfaaf27a0b5bdd91b591b87e [INFO] running `Command { std: "docker" "start" "-a" "c09497b40496da3dc35f0165ad0fbb938068fe73bfaaf27a0b5bdd91b591b87e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c09497b40496da3dc35f0165ad0fbb938068fe73bfaaf27a0b5bdd91b591b87e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c09497b40496da3dc35f0165ad0fbb938068fe73bfaaf27a0b5bdd91b591b87e", kill_on_drop: false }` [INFO] [stdout] c09497b40496da3dc35f0165ad0fbb938068fe73bfaaf27a0b5bdd91b591b87e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cab1a21a2ad217a40341df610301672ed754e40a76ca9ccc3fe17c1c0d1a02c2 [INFO] running `Command { std: "docker" "start" "-a" "cab1a21a2ad217a40341df610301672ed754e40a76ca9ccc3fe17c1c0d1a02c2", kill_on_drop: false }` [INFO] [stderr] Compiling blanket v0.3.0 [INFO] [stderr] Compiling streaming-iterator v0.1.9 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling derive-num-bounded v0.0.0 [INFO] [stderr] Compiling derive-getters v0.3.0 [INFO] [stderr] Compiling replace_with v0.1.8 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling optimal-core v0.0.0 [INFO] [stderr] Compiling optimal-steepest v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `optimal_core::prelude::*` [INFO] [stdout] --> src/backtracking_steepest/types.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub use optimal_core::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/backtracking_steepest/mod.rs:376:23 [INFO] [stdout] | [INFO] [stdout] 376 | pub fn evaluation(&self) -> Option> { [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] 376 | pub fn evaluation(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s [INFO] running `Command { std: "docker" "inspect" "cab1a21a2ad217a40341df610301672ed754e40a76ca9ccc3fe17c1c0d1a02c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cab1a21a2ad217a40341df610301672ed754e40a76ca9ccc3fe17c1c0d1a02c2", kill_on_drop: false }` [INFO] [stdout] cab1a21a2ad217a40341df610301672ed754e40a76ca9ccc3fe17c1c0d1a02c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffa7f01716fe137c5f753044aa2166b17c92e54934976816e74453b8828e2efa [INFO] running `Command { std: "docker" "start" "-a" "ffa7f01716fe137c5f753044aa2166b17c92e54934976816e74453b8828e2efa", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling bitflags v2.11.1 [INFO] [stderr] Compiling once_cell v1.21.4 [INFO] [stderr] Compiling fastrand v2.4.1 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling rand_core v0.9.5 [INFO] [stderr] Compiling rustix v1.1.4 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_xorshift v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.9.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.6 [INFO] [stderr] Compiling tempfile v3.27.0 [INFO] [stderr] Compiling rusty-fork v0.3.1 [INFO] [stderr] Compiling proptest v1.11.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling blanket v0.3.0 [INFO] [stderr] Compiling structmeta-derive v0.2.0 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling optimal-core v0.0.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling derive-num-bounded v0.0.0 [INFO] [stderr] Compiling structmeta v0.2.0 [INFO] [stderr] Compiling test-strategy v0.3.1 [INFO] [stderr] Compiling optimal-steepest v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `optimal_core::prelude::*` [INFO] [stdout] --> src/backtracking_steepest/types.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub use optimal_core::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/backtracking_steepest/mod.rs:376:23 [INFO] [stdout] | [INFO] [stdout] 376 | pub fn evaluation(&self) -> Option> { [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] 376 | pub fn evaluation(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `optimal_core::prelude::*` [INFO] [stdout] --> src/backtracking_steepest/types.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub use optimal_core::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/backtracking_steepest/mod.rs:376:23 [INFO] [stdout] | [INFO] [stdout] 376 | pub fn evaluation(&self) -> Option> { [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] 376 | pub fn evaluation(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 13.16s [INFO] running `Command { std: "docker" "inspect" "ffa7f01716fe137c5f753044aa2166b17c92e54934976816e74453b8828e2efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffa7f01716fe137c5f753044aa2166b17c92e54934976816e74453b8828e2efa", kill_on_drop: false }` [INFO] [stdout] ffa7f01716fe137c5f753044aa2166b17c92e54934976816e74453b8828e2efa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1961dbb35dce356025695328ef3321ba1e953e0ccf30c84b885792575654ac24 [INFO] running `Command { std: "docker" "start" "-a" "1961dbb35dce356025695328ef3321ba1e953e0ccf30c84b885792575654ac24", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `optimal_core::prelude::*` [INFO] [stderr] --> src/backtracking_steepest/types.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | pub use optimal_core::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/backtracking_steepest/mod.rs:376:23 [INFO] [stderr] | [INFO] [stderr] 376 | pub fn evaluation(&self) -> Option> { [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] 376 | pub fn evaluation(&self) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `optimal-steepest` (lib) generated 2 warnings (run `cargo fix --lib -p optimal-steepest` to apply 2 suggestions) [INFO] [stderr] warning: `optimal-steepest` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optimal_steepest-82d03ddea36a7996) [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 optimal_steepest [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/fixed_step_steepest/mod.rs - fixed_step_steepest (line 8) ... ok [INFO] [stdout] test src/backtracking_steepest/mod.rs - backtracking_steepest (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1961dbb35dce356025695328ef3321ba1e953e0ccf30c84b885792575654ac24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1961dbb35dce356025695328ef3321ba1e953e0ccf30c84b885792575654ac24", kill_on_drop: false }` [INFO] [stdout] 1961dbb35dce356025695328ef3321ba1e953e0ccf30c84b885792575654ac24