[INFO] fetching crate param-opt 0.2.0... [INFO] testing param-opt-0.2.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate param-opt 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate param-opt 0.2.0 [INFO] finished tweaking crates.io crate param-opt 0.2.0 [INFO] tweaked toml for crates.io crate param-opt 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate param-opt 0.2.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate param-opt 0.2.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0b00ed69e43ff990cd9635a64cb9bf5514cbb01b089495cf1c8579962968ff7 [INFO] running `Command { std: "docker" "start" "-a" "d0b00ed69e43ff990cd9635a64cb9bf5514cbb01b089495cf1c8579962968ff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0b00ed69e43ff990cd9635a64cb9bf5514cbb01b089495cf1c8579962968ff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0b00ed69e43ff990cd9635a64cb9bf5514cbb01b089495cf1c8579962968ff7", kill_on_drop: false }` [INFO] [stdout] d0b00ed69e43ff990cd9635a64cb9bf5514cbb01b089495cf1c8579962968ff7 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17c3db604e7b4585decfe9aaf7ea36a47d811148794ed761b5c8c01d9b467dc2 [INFO] running `Command { std: "docker" "start" "-a" "17c3db604e7b4585decfe9aaf7ea36a47d811148794ed761b5c8c01d9b467dc2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.51 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling itertools v0.12.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling thiserror-impl v1.0.51 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling param-opt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parameter/dataset/mod.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn value(&self, index: usize) -> ParameterValue { [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] 24 | pub fn value(&self, index: usize) -> ParameterValue<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parameter/table.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 50 | indices: impl Iterator, [INFO] [stdout] 51 | ) -> impl Iterator { [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the same 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] 51 | ) -> impl Iterator)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.54s [INFO] running `Command { std: "docker" "inspect" "17c3db604e7b4585decfe9aaf7ea36a47d811148794ed761b5c8c01d9b467dc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17c3db604e7b4585decfe9aaf7ea36a47d811148794ed761b5c8c01d9b467dc2", kill_on_drop: false }` [INFO] [stdout] 17c3db604e7b4585decfe9aaf7ea36a47d811148794ed761b5c8c01d9b467dc2 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ae0dd74acf35437a0332220e49a6b48ebe63e2e042a8238b8697c6cc5dffc73 [INFO] running `Command { std: "docker" "start" "-a" "0ae0dd74acf35437a0332220e49a6b48ebe63e2e042a8238b8697c6cc5dffc73", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling unic-common v0.9.0 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling unic-char-range v0.9.0 [INFO] [stderr] Compiling iana-time-zone v0.1.58 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling unic-char-property v0.9.0 [INFO] [stderr] Compiling unic-ucd-version v0.9.0 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling unic-ucd-segment v0.9.0 [INFO] [stderr] Compiling serde_spanned v0.6.4 [INFO] [stderr] Compiling deunicode v1.4.1 [INFO] [stderr] Compiling phf v0.11.2 [INFO] [stderr] Compiling winnow v0.5.25 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parameter/dataset/mod.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn value(&self, index: usize) -> ParameterValue { [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] 24 | pub fn value(&self, index: usize) -> ParameterValue<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parameter/table.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 50 | indices: impl Iterator, [INFO] [stdout] 51 | ) -> impl Iterator { [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the same 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] 51 | ) -> impl Iterator)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling slug v0.1.5 [INFO] [stderr] Compiling humansize v2.1.3 [INFO] [stderr] Compiling unic-segment v0.9.0 [INFO] [stderr] Compiling getrandom v0.2.11 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling pest v2.7.5 [INFO] [stderr] Compiling bstr v1.8.0 [INFO] [stderr] Compiling phf_codegen v0.11.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling chrono v0.4.31 [INFO] [stderr] Compiling pest_meta v2.7.5 [INFO] [stderr] Compiling toml_edit v0.21.0 [INFO] [stderr] Compiling pest_generator v2.7.5 [INFO] [stderr] Compiling pest_derive v2.7.5 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling parse-zoneinfo v0.3.0 [INFO] [stderr] Compiling chrono-tz-build v0.2.1 [INFO] [stderr] Compiling toml v0.8.8 [INFO] [stderr] Compiling chrono-tz v0.8.4 [INFO] [stderr] Compiling globset v0.4.14 [INFO] [stderr] Compiling ignore v0.4.21 [INFO] [stderr] Compiling globwalk v0.8.1 [INFO] [stderr] Compiling tera v1.19.1 [INFO] [stderr] Compiling param-opt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parameter/dataset/mod.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn value(&self, index: usize) -> ParameterValue { [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] 24 | pub fn value(&self, index: usize) -> ParameterValue<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parameter/table.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 50 | indices: impl Iterator, [INFO] [stdout] 51 | ) -> impl Iterator { [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the same 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] 51 | ) -> impl Iterator)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 30.99s [INFO] running `Command { std: "docker" "inspect" "0ae0dd74acf35437a0332220e49a6b48ebe63e2e042a8238b8697c6cc5dffc73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ae0dd74acf35437a0332220e49a6b48ebe63e2e042a8238b8697c6cc5dffc73", kill_on_drop: false }` [INFO] [stdout] 0ae0dd74acf35437a0332220e49a6b48ebe63e2e042a8238b8697c6cc5dffc73 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d37543bd6f1d0b35cb45fca8469603f4c72f2242ba95c264a85443d94ad8a88a [INFO] running `Command { std: "docker" "start" "-a" "d37543bd6f1d0b35cb45fca8469603f4c72f2242ba95c264a85443d94ad8a88a", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/parameter/dataset/mod.rs:24:18 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn value(&self, index: usize) -> ParameterValue { [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] 24 | pub fn value(&self, index: usize) -> ParameterValue<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/parameter/table.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | &self, [INFO] [stderr] | ^^^^^ the lifetime is elided here [INFO] [stderr] 50 | indices: impl Iterator, [INFO] [stderr] 51 | ) -> impl Iterator { [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the same 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] 51 | ) -> impl Iterator)> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `param-opt` (lib) generated 2 warnings (run `cargo fix --lib -p param-opt` to apply 2 suggestions) [INFO] [stderr] warning: `param-opt` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/param_opt-dc69aede23b172ac) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test selector::grid_search::tests::test_grid_search ... ok [INFO] [stdout] test tests::test_param_on_grid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests param_opt [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" "d37543bd6f1d0b35cb45fca8469603f4c72f2242ba95c264a85443d94ad8a88a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d37543bd6f1d0b35cb45fca8469603f4c72f2242ba95c264a85443d94ad8a88a", kill_on_drop: false }` [INFO] [stdout] d37543bd6f1d0b35cb45fca8469603f4c72f2242ba95c264a85443d94ad8a88a