[INFO] fetching crate optimal-steepest 0.0.0...
[INFO] checking optimal-steepest-0.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate optimal-steepest 0.0.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimal-steepest 0.0.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 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: v2.0.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding test-strategy v0.3.1 (available: v0.4.3)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c781f6dee1f3b0291c4d2100ab4b7d623df6f307328e782b66b2c3315dadac0
[INFO] running `Command { std: "docker" "start" "-a" "5c781f6dee1f3b0291c4d2100ab4b7d623df6f307328e782b66b2c3315dadac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c781f6dee1f3b0291c4d2100ab4b7d623df6f307328e782b66b2c3315dadac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c781f6dee1f3b0291c4d2100ab4b7d623df6f307328e782b66b2c3315dadac0", kill_on_drop: false }`
[INFO] [stdout] 5c781f6dee1f3b0291c4d2100ab4b7d623df6f307328e782b66b2c3315dadac0
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02077607fb60fde8ae23ac2c457371f3d64030c916453240bf8bffd938c3f621
[INFO] running `Command { std: "docker" "start" "-a" "02077607fb60fde8ae23ac2c457371f3d64030c916453240bf8bffd938c3f621", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking replace_with v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive-getters v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling blanket v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking optimal-core v0.0.0
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling test-strategy v0.3.1
[INFO] [stderr]     Checking derive-num-bounded v0.0.0
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/backtracking_steepest/mod.rs:376:23
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn evaluation(&self) -> Option<Evaluation<A>> {
[INFO] [stdout]     |                       ^^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn evaluation(&self) -> Option<Evaluation<'_, A>> {
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/backtracking_steepest/mod.rs:376:23
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn evaluation(&self) -> Option<Evaluation<A>> {
[INFO] [stdout]     |                       ^^^^^            ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn evaluation(&self) -> Option<Evaluation<'_, A>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.41s
[INFO] running `Command { std: "docker" "inspect" "02077607fb60fde8ae23ac2c457371f3d64030c916453240bf8bffd938c3f621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02077607fb60fde8ae23ac2c457371f3d64030c916453240bf8bffd938c3f621", kill_on_drop: false }`
[INFO] [stdout] 02077607fb60fde8ae23ac2c457371f3d64030c916453240bf8bffd938c3f621