[INFO] fetching crate proportionate_selector 0.1.2...
[INFO] testing proportionate_selector-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate proportionate_selector 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate proportionate_selector 0.1.2
[INFO] finished tweaking crates.io crate proportionate_selector 0.1.2
[INFO] tweaked toml for crates.io crate proportionate_selector 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proportionate_selector 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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 criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 306c9360ad0e19c689ac2265cfd03712e60eaf52ce780d00fe3e93fa90a51ccc
[INFO] running `Command { std: "docker" "start" "-a" "306c9360ad0e19c689ac2265cfd03712e60eaf52ce780d00fe3e93fa90a51ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "306c9360ad0e19c689ac2265cfd03712e60eaf52ce780d00fe3e93fa90a51ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306c9360ad0e19c689ac2265cfd03712e60eaf52ce780d00fe3e93fa90a51ccc", kill_on_drop: false }`
[INFO] [stdout] 306c9360ad0e19c689ac2265cfd03712e60eaf52ce780d00fe3e93fa90a51ccc
[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] fcc4710753e69363f4d8a9aa59ade730dd4f2519c02ecd5e725f351bfc6d06b0
[INFO] running `Command { std: "docker" "start" "-a" "fcc4710753e69363f4d8a9aa59ade730dd4f2519c02ecd5e725f351bfc6d06b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling proportionate_selector v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:304:40
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn sample(&'_a self) -> Option<&T> {
[INFO] [stdout]     |                    ---                 ^^ the same lifetime is elided here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is named 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: consistently use `'_a`
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn sample(&'_a self) -> Option<&'_a T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "fcc4710753e69363f4d8a9aa59ade730dd4f2519c02ecd5e725f351bfc6d06b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc4710753e69363f4d8a9aa59ade730dd4f2519c02ecd5e725f351bfc6d06b0", kill_on_drop: false }`
[INFO] [stdout] fcc4710753e69363f4d8a9aa59ade730dd4f2519c02ecd5e725f351bfc6d06b0
[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] 64de39944dd143b80816f01440cff1d1ce4b1d5c9d4b48a72594d9d85ab91e5d
[INFO] running `Command { std: "docker" "start" "-a" "64de39944dd143b80816f01440cff1d1ce4b1d5c9d4b48a72594d9d85ab91e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:304:40
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn sample(&'_a self) -> Option<&T> {
[INFO] [stdout]     |                    ---                 ^^ the same lifetime is elided here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is named 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: consistently use `'_a`
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn sample(&'_a self) -> Option<&'_a T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling kolmogorov_smirnov v1.1.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling proportionate_selector v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:304:40
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn sample(&'_a self) -> Option<&T> {
[INFO] [stdout]     |                    ---                 ^^ the same lifetime is elided here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is named 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: consistently use `'_a`
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn sample(&'_a self) -> Option<&'_a T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.51s
[INFO] running `Command { std: "docker" "inspect" "64de39944dd143b80816f01440cff1d1ce4b1d5c9d4b48a72594d9d85ab91e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64de39944dd143b80816f01440cff1d1ce4b1d5c9d4b48a72594d9d85ab91e5d", kill_on_drop: false }`
[INFO] [stdout] 64de39944dd143b80816f01440cff1d1ce4b1d5c9d4b48a72594d9d85ab91e5d
[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] e1dd003beb3c2f53bbeb2405507e81a1b5c48d86ded3c8a2783f7e401c0f569d
[INFO] running `Command { std: "docker" "start" "-a" "e1dd003beb3c2f53bbeb2405507e81a1b5c48d86ded3c8a2783f7e401c0f569d", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:304:40
[INFO] [stderr]     |
[INFO] [stderr] 304 |     pub fn sample(&'_a self) -> Option<&T> {
[INFO] [stderr]     |                    ---                 ^^ the same lifetime is elided here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is named 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: consistently use `'_a`
[INFO] [stderr]     |
[INFO] [stderr] 304 |     pub fn sample(&'_a self) -> Option<&'_a T> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `proportionate_selector` (lib) generated 1 warning (run `cargo fix --lib -p proportionate_selector` to apply 1 suggestion)
[INFO] [stderr] warning: `proportionate_selector` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/proportionate_selector-2c2050a9087c972f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::cfd_sampling ... ok
[INFO] [stdout] test tests::linear_sampling ... ok
[INFO] [stderr]    Doc-tests proportionate_selector
[INFO] [stdout] test tests::stochastic_sampling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.83s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - DiscreteDistribution<'_a,T>::new (line 165) ... ok
[INFO] [stdout] test src/util.rs - util::convert (line 38) ... ok
[INFO] [stdout] test src/util.rs - util::bisect_left (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - DiscreteDistribution<'_a,T>::sample (line 266) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1dd003beb3c2f53bbeb2405507e81a1b5c48d86ded3c8a2783f7e401c0f569d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dd003beb3c2f53bbeb2405507e81a1b5c48d86ded3c8a2783f7e401c0f569d", kill_on_drop: false }`
[INFO] [stdout] e1dd003beb3c2f53bbeb2405507e81a1b5c48d86ded3c8a2783f7e401c0f569d