[INFO] fetching crate libket 0.6.0...
[INFO] testing libket-0.6.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate libket 0.6.0 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libket 0.6.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 435e1a106df76686a37133de3f9eaf3caaf3a59be92ecb82e38b4b71d5743dac
[INFO] running `Command { std: "docker" "start" "-a" "435e1a106df76686a37133de3f9eaf3caaf3a59be92ecb82e38b4b71d5743dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "435e1a106df76686a37133de3f9eaf3caaf3a59be92ecb82e38b4b71d5743dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435e1a106df76686a37133de3f9eaf3caaf3a59be92ecb82e38b4b71d5743dac", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7cf247068045584caad3765cc95d55fe812e982bf098cb720548d3769841961
[INFO] running `Command { std: "docker" "start" "-a" "a7cf247068045584caad3765cc95d55fe812e982bf098cb720548d3769841961", kill_on_drop: false }`
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[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 1m 05s
[INFO] running `Command { std: "docker" "inspect" "a7cf247068045584caad3765cc95d55fe812e982bf098cb720548d3769841961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cf247068045584caad3765cc95d55fe812e982bf098cb720548d3769841961", kill_on_drop: false }`
[INFO] [stdout] a7cf247068045584caad3765cc95d55fe812e982bf098cb720548d3769841961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d31face83ffd5b0153110a82b1354c1007909669aa0af589759a35b0e9b0c1b
[INFO] running `Command { std: "docker" "start" "-a" "7d31face83ffd5b0153110a82b1354c1007909669aa0af589759a35b0e9b0c1b", kill_on_drop: false }`
[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] [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 7.30s
[INFO] running `Command { std: "docker" "inspect" "7d31face83ffd5b0153110a82b1354c1007909669aa0af589759a35b0e9b0c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d31face83ffd5b0153110a82b1354c1007909669aa0af589759a35b0e9b0c1b", kill_on_drop: false }`
[INFO] [stdout] 7d31face83ffd5b0153110a82b1354c1007909669aa0af589759a35b0e9b0c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f04907dcf3df79fc6bf5200bc9db4002fff49fed17347f2b5b33948eb5bb879
[INFO] running `Command { std: "docker" "start" "-a" "7f04907dcf3df79fc6bf5200bc9db4002fff49fed17347f2b5b33948eb5bb879", 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 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ket-81861ed08b658e72)
[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" "7f04907dcf3df79fc6bf5200bc9db4002fff49fed17347f2b5b33948eb5bb879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f04907dcf3df79fc6bf5200bc9db4002fff49fed17347f2b5b33948eb5bb879", kill_on_drop: false }`
[INFO] [stdout] 7f04907dcf3df79fc6bf5200bc9db4002fff49fed17347f2b5b33948eb5bb879