[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<Item = usize>,
[INFO] [stdout] 51 |     ) -> impl Iterator<Item = (&String, ParameterValue)> {
[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<Item = (&String, ParameterValue<'_>)> {
[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<Item = usize>,
[INFO] [stdout] 51 |     ) -> impl Iterator<Item = (&String, ParameterValue)> {
[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<Item = (&String, ParameterValue<'_>)> {
[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<Item = usize>,
[INFO] [stdout] 51 |     ) -> impl Iterator<Item = (&String, ParameterValue)> {
[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<Item = (&String, ParameterValue<'_>)> {
[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<Item = usize>,
[INFO] [stderr] 51 |     ) -> impl Iterator<Item = (&String, ParameterValue)> {
[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<Item = (&String, ParameterValue<'_>)> {
[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
