Dec 17 21:29:05.709 INFO checking khernyo/qc-playground against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:29:05.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/khernyo/qc-playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:29:05.904 INFO [stdout] 60348894707f5935c145b1de92377f80bdc81aaaaae0da5f4a50d6b5ecb1bcbf
Dec 17 21:29:05.906 INFO running `"docker" "start" "-a" "60348894707f5935c145b1de92377f80bdc81aaaaae0da5f4a50d6b5ecb1bcbf"`
Dec 17 21:29:06.535 INFO [stderr]    Compiling rustc-cfg v0.2.0
Dec 17 21:29:06.536 INFO [stderr]     Checking ieee754 v0.2.2
Dec 17 21:29:06.537 INFO [stderr]    Compiling num-integer v0.1.39
Dec 17 21:29:06.538 INFO [stderr]     Checking num-bigint v0.1.44
Dec 17 21:29:06.538 INFO [stderr]     Checking alga v0.5.3
Dec 17 21:29:09.896 INFO [stderr]     Checking num-rational v0.1.42
Dec 17 21:29:10.676 INFO [stderr]     Checking num v0.1.42
Dec 17 21:29:12.677 INFO [stderr]    Compiling ramp v0.5.0
Dec 17 21:29:12.880 INFO [stderr]     Checking nalgebra v0.14.1
Dec 17 21:29:15.851 INFO [stderr]     Checking is_prime v1.0.5
Dec 17 21:29:39.795 INFO [stderr]     Checking qc-playground v0.1.0 (/opt/crater/workdir)
Dec 17 21:29:40.240 INFO [stderr] warning: unused import: `approx::ApproxEq`
Dec 17 21:29:40.240 INFO [stderr]   --> src/lib.rs:13:5
Dec 17 21:29:40.240 INFO [stderr]    |
Dec 17 21:29:40.240 INFO [stderr] 13 | use approx::ApproxEq;
Dec 17 21:29:40.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 21:29:40.240 INFO [stderr]    |
Dec 17 21:29:40.240 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 21:29:40.240 INFO [stderr] 
Dec 17 21:29:40.397 INFO [stderr] warning: method is never used: `from_qubits`
Dec 17 21:29:40.397 INFO [stderr]    --> src/lib.rs:112:5
Dec 17 21:29:40.397 INFO [stderr]     |
Dec 17 21:29:40.397 INFO [stderr] 112 |     fn from_qubits(qubits: &[Qubit]) -> QStateExpr {
Dec 17 21:29:40.397 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.397 INFO [stderr]     |
Dec 17 21:29:40.404 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 21:29:40.404 INFO [stderr] 
Dec 17 21:29:40.405 INFO [stderr] warning: method is never used: `eval`
Dec 17 21:29:40.405 INFO [stderr]    --> src/lib.rs:125:5
Dec 17 21:29:40.405 INFO [stderr]     |
Dec 17 21:29:40.405 INFO [stderr] 125 |     fn eval(self) -> QState {
Dec 17 21:29:40.405 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.405 INFO [stderr] 
Dec 17 21:29:40.405 INFO [stderr] warning: struct is never constructed: `QState`
Dec 17 21:29:40.405 INFO [stderr]    --> src/lib.rs:176:1
Dec 17 21:29:40.405 INFO [stderr]     |
Dec 17 21:29:40.405 INFO [stderr] 176 | struct QState {
Dec 17 21:29:40.405 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 17 21:29:40.405 INFO [stderr] 
Dec 17 21:29:40.406 INFO [stderr] warning: method is never used: `from`
Dec 17 21:29:40.406 INFO [stderr]    --> src/lib.rs:187:5
Dec 17 21:29:40.406 INFO [stderr]     |
Dec 17 21:29:40.406 INFO [stderr] 187 |     fn from(expr: QStateExpr) -> QState {
Dec 17 21:29:40.406 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.406 INFO [stderr] 
Dec 17 21:29:40.406 INFO [stderr] warning: method is never used: `validate`
Dec 17 21:29:40.406 INFO [stderr]    --> src/lib.rs:193:5
Dec 17 21:29:40.406 INFO [stderr]     |
Dec 17 21:29:40.406 INFO [stderr] 193 |     fn validate(&self) {
Dec 17 21:29:40.406 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.406 INFO [stderr] 
Dec 17 21:29:40.407 INFO [stderr] warning: method is never used: `qubit_count`
Dec 17 21:29:40.407 INFO [stderr]    --> src/lib.rs:201:5
Dec 17 21:29:40.407 INFO [stderr]     |
Dec 17 21:29:40.407 INFO [stderr] 201 |     fn qubit_count(&self) -> u32 {
Dec 17 21:29:40.407 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.407 INFO [stderr] 
Dec 17 21:29:40.407 INFO [stderr] warning: method is never used: `apply`
Dec 17 21:29:40.407 INFO [stderr]    --> src/lib.rs:205:5
Dec 17 21:29:40.407 INFO [stderr]     |
Dec 17 21:29:40.407 INFO [stderr] 205 |     fn apply(self, gate: &QGate) -> QState {
Dec 17 21:29:40.407 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.407 INFO [stderr] 
Dec 17 21:29:40.408 INFO [stderr] warning: method is never used: `measure`
Dec 17 21:29:40.408 INFO [stderr]    --> src/lib.rs:217:5
Dec 17 21:29:40.408 INFO [stderr]     |
Dec 17 21:29:40.408 INFO [stderr] 217 |     fn measure(self, rng: &mut Rng) -> Vec<bool> {
Dec 17 21:29:40.408 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.408 INFO [stderr] 
Dec 17 21:29:40.408 INFO [stderr] warning: method is never used: `measure_one`
Dec 17 21:29:40.408 INFO [stderr]    --> src/lib.rs:231:5
Dec 17 21:29:40.408 INFO [stderr]     |
Dec 17 21:29:40.408 INFO [stderr] 231 |     fn measure_one(self, index: u32, rng: &mut Rng) -> (bool, QState) {
Dec 17 21:29:40.408 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.408 INFO [stderr] 
Dec 17 21:29:40.408 INFO [stderr] warning: function is never used: `n_to_bitvec`
Dec 17 21:29:40.408 INFO [stderr]    --> src/lib.rs:236:1
Dec 17 21:29:40.408 INFO [stderr]     |
Dec 17 21:29:40.409 INFO [stderr] 236 | fn n_to_bitvec(n: usize, bits: u32) -> Vec<bool> {
Dec 17 21:29:40.409 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.409 INFO [stderr] 
Dec 17 21:29:40.409 INFO [stderr] warning: function is never used: `qubit_count`
Dec 17 21:29:40.409 INFO [stderr]    --> src/lib.rs:247:1
Dec 17 21:29:40.409 INFO [stderr]     |
Dec 17 21:29:40.409 INFO [stderr] 247 | fn qubit_count(state: &DVector<Complex64>) -> u32 {
Dec 17 21:29:40.409 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.409 INFO [stderr] 
Dec 17 21:29:40.409 INFO [stderr] warning: struct is never constructed: `QGate`
Dec 17 21:29:40.409 INFO [stderr]    --> src/lib.rs:252:1
Dec 17 21:29:40.409 INFO [stderr]     |
Dec 17 21:29:40.409 INFO [stderr] 252 | struct QGate(DMatrix<Complex64>);
Dec 17 21:29:40.410 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.410 INFO [stderr] 
Dec 17 21:29:40.410 INFO [stderr] warning: method is never used: `identity`
Dec 17 21:29:40.410 INFO [stderr]    --> src/lib.rs:261:5
Dec 17 21:29:40.411 INFO [stderr]     |
Dec 17 21:29:40.411 INFO [stderr] 261 |     fn identity() -> QGate {
Dec 17 21:29:40.411 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.411 INFO [stderr] 
Dec 17 21:29:40.412 INFO [stderr] warning: method is never used: `hadamard`
Dec 17 21:29:40.412 INFO [stderr]    --> src/lib.rs:271:5
Dec 17 21:29:40.412 INFO [stderr]     |
Dec 17 21:29:40.413 INFO [stderr] 271 |     fn hadamard() -> QGate {
Dec 17 21:29:40.413 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.413 INFO [stderr] 
Dec 17 21:29:40.413 INFO [stderr] warning: method is never used: `pauli_x`
Dec 17 21:29:40.414 INFO [stderr]    --> src/lib.rs:279:5
Dec 17 21:29:40.414 INFO [stderr]     |
Dec 17 21:29:40.414 INFO [stderr] 279 |     fn pauli_x() -> QGate {
Dec 17 21:29:40.414 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.414 INFO [stderr] 
Dec 17 21:29:40.415 INFO [stderr] warning: method is never used: `pauli_y`
Dec 17 21:29:40.415 INFO [stderr]    --> src/lib.rs:286:5
Dec 17 21:29:40.415 INFO [stderr]     |
Dec 17 21:29:40.416 INFO [stderr] 286 |     fn pauli_y() -> QGate {
Dec 17 21:29:40.416 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.416 INFO [stderr] 
Dec 17 21:29:40.417 INFO [stderr] warning: method is never used: `pauli_z`
Dec 17 21:29:40.417 INFO [stderr]    --> src/lib.rs:293:5
Dec 17 21:29:40.417 INFO [stderr]     |
Dec 17 21:29:40.417 INFO [stderr] 293 |     fn pauli_z() -> QGate {
Dec 17 21:29:40.418 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.418 INFO [stderr] 
Dec 17 21:29:40.418 INFO [stderr] warning: method is never used: `phase_shift`
Dec 17 21:29:40.418 INFO [stderr]    --> src/lib.rs:300:5
Dec 17 21:29:40.419 INFO [stderr]     |
Dec 17 21:29:40.419 INFO [stderr] 300 |     fn phase_shift(phi: f64) -> QGate {
Dec 17 21:29:40.419 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.419 INFO [stderr] 
Dec 17 21:29:40.420 INFO [stderr] warning: method is never used: `swap`
Dec 17 21:29:40.436 INFO [stderr]    --> src/lib.rs:307:5
Dec 17 21:29:40.437 INFO [stderr]     |
Dec 17 21:29:40.437 INFO [stderr] 307 |     fn swap() -> QGate {
Dec 17 21:29:40.437 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.437 INFO [stderr] 
Dec 17 21:29:40.438 INFO [stderr] warning: method is never used: `cnot`
Dec 17 21:29:40.438 INFO [stderr]    --> src/lib.rs:316:5
Dec 17 21:29:40.438 INFO [stderr]     |
Dec 17 21:29:40.439 INFO [stderr] 316 |     fn cnot() -> QGate {
Dec 17 21:29:40.439 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.439 INFO [stderr] 
Dec 17 21:29:40.440 INFO [stderr] warning: method is never used: `par`
Dec 17 21:29:40.440 INFO [stderr]    --> src/lib.rs:326:5
Dec 17 21:29:40.440 INFO [stderr]     |
Dec 17 21:29:40.440 INFO [stderr] 326 |     fn par(&self, rhs: &QGate) -> QGate {
Dec 17 21:29:40.441 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:40.441 INFO [stderr] 
Dec 17 21:29:41.208 INFO [stderr] warning: unused import: `std::ops::Sub`
Dec 17 21:29:41.208 INFO [stderr]  --> examples/shor.rs:9:5
Dec 17 21:29:41.208 INFO [stderr]   |
Dec 17 21:29:41.208 INFO [stderr] 9 | use std::ops::Sub;
Dec 17 21:29:41.208 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 21:29:41.208 INFO [stderr]   |
Dec 17 21:29:41.208 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 21:29:41.208 INFO [stderr] 
Dec 17 21:29:41.208 INFO [stderr] warning: unused import: `Num`
Dec 17 21:29:41.208 INFO [stderr]   --> examples/shor.rs:12:20
Dec 17 21:29:41.208 INFO [stderr]    |
Dec 17 21:29:41.208 INFO [stderr] 12 | use num::{Integer, Num, One, ToPrimitive};
Dec 17 21:29:41.208 INFO [stderr]    |                    ^^^
Dec 17 21:29:41.208 INFO [stderr] 
Dec 17 21:29:41.208 INFO [stderr] warning: unused import: `qc_playground::Qubit`
Dec 17 21:29:41.208 INFO [stderr]   --> examples/shor.rs:16:5
Dec 17 21:29:41.208 INFO [stderr]    |
Dec 17 21:29:41.208 INFO [stderr] 16 | use qc_playground::Qubit;
Dec 17 21:29:41.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:41.208 INFO [stderr] 
Dec 17 21:29:41.364 INFO [stderr] warning: method is never used: `measure_one`
Dec 17 21:29:41.364 INFO [stderr]    --> src/lib.rs:231:5
Dec 17 21:29:41.364 INFO [stderr]     |
Dec 17 21:29:41.364 INFO [stderr] 231 |     fn measure_one(self, index: u32, rng: &mut Rng) -> (bool, QState) {
Dec 17 21:29:41.364 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:41.364 INFO [stderr]     |
Dec 17 21:29:41.364 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 21:29:41.364 INFO [stderr] 
Dec 17 21:29:41.364 INFO [stderr] warning: method is never used: `pauli_x`
Dec 17 21:29:41.364 INFO [stderr]    --> src/lib.rs:279:5
Dec 17 21:29:41.364 INFO [stderr]     |
Dec 17 21:29:41.364 INFO [stderr] 279 |     fn pauli_x() -> QGate {
Dec 17 21:29:41.364 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:41.364 INFO [stderr] 
Dec 17 21:29:41.364 INFO [stderr] warning: method is never used: `pauli_y`
Dec 17 21:29:41.364 INFO [stderr]    --> src/lib.rs:286:5
Dec 17 21:29:41.364 INFO [stderr]     |
Dec 17 21:29:41.364 INFO [stderr] 286 |     fn pauli_y() -> QGate {
Dec 17 21:29:41.364 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:29:41.364 INFO [stderr] 
Dec 17 21:29:41.377 INFO [stderr] warning: unused variable: `i`
Dec 17 21:29:41.377 INFO [stderr]   --> examples/shor.rs:40:9
Dec 17 21:29:41.377 INFO [stderr]    |
Dec 17 21:29:41.377 INFO [stderr] 40 |     for i in 0..n * 2 {
Dec 17 21:29:41.377 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 17 21:29:41.377 INFO [stderr]    |
Dec 17 21:29:41.377 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:29:41.377 INFO [stderr] 
Dec 17 21:29:41.377 INFO [stderr] warning: unused variable: `a`
Dec 17 21:29:41.377 INFO [stderr]   --> examples/shor.rs:79:8
Dec 17 21:29:41.377 INFO [stderr]    |
Dec 17 21:29:41.377 INFO [stderr] 79 | fn qpf(a: &BigInt, n: &BigInt) -> usize {
Dec 17 21:29:41.377 INFO [stderr]    |        ^ help: consider using `_a` instead
Dec 17 21:29:41.377 INFO [stderr] 
Dec 17 21:29:41.377 INFO [stderr] warning: unused variable: `n`
Dec 17 21:29:41.377 INFO [stderr]   --> examples/shor.rs:79:20
Dec 17 21:29:41.378 INFO [stderr]    |
Dec 17 21:29:41.378 INFO [stderr] 79 | fn qpf(a: &BigInt, n: &BigInt) -> usize {
Dec 17 21:29:41.378 INFO [stderr]    |                    ^ help: consider using `_n` instead
Dec 17 21:29:41.378 INFO [stderr] 
Dec 17 21:29:41.378 INFO [stderr] warning: unused variable: `i`
Dec 17 21:29:41.378 INFO [stderr]    --> examples/shor.rs:106:10
Dec 17 21:29:41.378 INFO [stderr]     |
Dec 17 21:29:41.378 INFO [stderr] 106 |     let (i, j) = (0, r);
Dec 17 21:29:41.378 INFO [stderr]     |          ^ help: consider using `_i` instead
Dec 17 21:29:41.378 INFO [stderr] 
Dec 17 21:29:41.378 INFO [stderr] warning: unused variable: `j`
Dec 17 21:29:41.378 INFO [stderr]    --> examples/shor.rs:106:13
Dec 17 21:29:41.378 INFO [stderr]     |
Dec 17 21:29:41.378 INFO [stderr] 106 |     let (i, j) = (0, r);
Dec 17 21:29:41.378 INFO [stderr]     |             ^ help: consider using `_j` instead
Dec 17 21:29:41.378 INFO [stderr] 
Dec 17 21:29:41.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.03s
Dec 17 21:29:42.416 INFO running `"docker" "inspect" "60348894707f5935c145b1de92377f80bdc81aaaaae0da5f4a50d6b5ecb1bcbf"`
Dec 17 21:29:42.746 INFO running `"docker" "rm" "-f" "60348894707f5935c145b1de92377f80bdc81aaaaae0da5f4a50d6b5ecb1bcbf"`
Dec 17 21:29:42.997 INFO [stdout] 60348894707f5935c145b1de92377f80bdc81aaaaae0da5f4a50d6b5ecb1bcbf