[INFO] fetching crate libket 0.6.0...
[INFO] testing libket-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libket 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libket 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libket 0.6.0
[INFO] tweaked toml for crates.io crate libket 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libket 0.6.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libket 0.6.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ccac27a43e6205a455fd66e41f8876aec841ea79eb95e152d4cfc0775cc3399
[INFO] running `Command { std: "docker" "start" "-a" "8ccac27a43e6205a455fd66e41f8876aec841ea79eb95e152d4cfc0775cc3399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ccac27a43e6205a455fd66e41f8876aec841ea79eb95e152d4cfc0775cc3399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccac27a43e6205a455fd66e41f8876aec841ea79eb95e152d4cfc0775cc3399", kill_on_drop: false }`
[INFO] [stdout] 8ccac27a43e6205a455fd66e41f8876aec841ea79eb95e152d4cfc0775cc3399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e49addbd0e8533652d30865c599b4f27697fcc1ec229d6ae487654b88cfd34
[INFO] running `Command { std: "docker" "start" "-a" "74e49addbd0e8533652d30865c599b4f27697fcc1ec229d6ae487654b88cfd34", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling percent-encoding v2.3.1
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[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling num v0.4.3
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[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling genawaiter-proc-macro v0.99.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling env_filter v0.1.2
[INFO] [stderr]    Compiling genawaiter v0.99.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling erased-serde v0.4.5
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling serde-untagged v0.1.7
[INFO] [stderr]    Compiling cargo-platform v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling build-info-common v0.0.41
[INFO] [stderr]    Compiling build-info-proc v0.0.41
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling build-info v0.0.41
[INFO] [stderr]    Compiling cargo-util-schemas v0.2.0
[INFO] [stderr]    Compiling git2 v0.20.0
[INFO] [stderr]    Compiling cargo_metadata v0.20.0
[INFO] [stderr]    Compiling build-info-build v0.0.41
[INFO] [stderr]    Compiling libket v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/circuit.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stdout]    |                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stdout] 67 +                     .all(|qubit| self.last_gate_index(*qubit) == Some(index))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "74e49addbd0e8533652d30865c599b4f27697fcc1ec229d6ae487654b88cfd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e49addbd0e8533652d30865c599b4f27697fcc1ec229d6ae487654b88cfd34", kill_on_drop: false }`
[INFO] [stdout] 74e49addbd0e8533652d30865c599b4f27697fcc1ec229d6ae487654b88cfd34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc8e7b835e6dbd5710afb0fecc5d784e50c21563145109eb0b09386e0b393530
[INFO] running `Command { std: "docker" "start" "-a" "dc8e7b835e6dbd5710afb0fecc5d784e50c21563145109eb0b09386e0b393530", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/circuit.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stdout]    |                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stdout] 67 +                     .all(|qubit| self.last_gate_index(*qubit) == Some(index))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libket v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/circuit.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stdout]    |                                  ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stdout] 67 +                     .all(|qubit| self.last_gate_index(*qubit) == Some(index))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "dc8e7b835e6dbd5710afb0fecc5d784e50c21563145109eb0b09386e0b393530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8e7b835e6dbd5710afb0fecc5d784e50c21563145109eb0b09386e0b393530", kill_on_drop: false }`
[INFO] [stdout] dc8e7b835e6dbd5710afb0fecc5d784e50c21563145109eb0b09386e0b393530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bc3f4511cce0ce4212a760228be1852b07b068c010b38a91e6c6b2ae9a48c41
[INFO] running `Command { std: "docker" "start" "-a" "3bc3f4511cce0ce4212a760228be1852b07b068c010b38a91e6c6b2ae9a48c41", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/circuit.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stderr]    |                                  ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stderr] 67 +                     .all(|qubit| self.last_gate_index(*qubit) == Some(index))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `libket` (lib) generated 1 warning (run `cargo fix --lib -p libket` to apply 1 suggestion)
[INFO] [stderr] warning: `libket` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ket-744e96c40abcfc95)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error::tests::success_is_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ket
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/circuit.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stderr]    |                                  ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -                     .all(|qubit| (self.last_gate_index(*qubit) == Some(index)))
[INFO] [stderr] 67 +                     .all(|qubit| self.last_gate_index(*qubit) == Some(index))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "3bc3f4511cce0ce4212a760228be1852b07b068c010b38a91e6c6b2ae9a48c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc3f4511cce0ce4212a760228be1852b07b068c010b38a91e6c6b2ae9a48c41", kill_on_drop: false }`
[INFO] [stdout] 3bc3f4511cce0ce4212a760228be1852b07b068c010b38a91e6c6b2ae9a48c41