Dec 04 15:50:23.864 INFO checking khernyo/qc-playground against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:50:23.864 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 15:50:24.263 INFO [stdout] 78c50248251bcf39ab0e2a3862402b6c67cc20e24902bf94388f51ba5c49cf72
Dec 04 15:50:24.271 INFO running `"docker" "start" "-a" "78c50248251bcf39ab0e2a3862402b6c67cc20e24902bf94388f51ba5c49cf72"`
Dec 04 15:50:25.479 INFO [stderr] usermod: no changes
Dec 04 15:50:25.587 INFO [stderr]    Compiling rustc-cfg v0.2.0
Dec 04 15:50:25.611 INFO [stderr]     Checking ieee754 v0.2.2
Dec 04 15:50:25.631 INFO [stderr]     Checking rand v0.5.5
Dec 04 15:50:25.631 INFO [stderr]    Compiling num-integer v0.1.39
Dec 04 15:50:25.631 INFO [stderr]     Checking num-bigint v0.1.44
Dec 04 15:50:25.631 INFO [stderr]     Checking alga v0.5.3
Dec 04 15:50:31.651 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 15:50:34.308 INFO [stderr]    Compiling ramp v0.5.0
Dec 04 15:50:34.599 INFO [stderr]     Checking num v0.1.42
Dec 04 15:50:34.690 INFO [stderr]     Checking nalgebra v0.14.1
Dec 04 15:50:37.935 INFO [stderr]     Checking is_prime v1.0.5
Dec 04 15:51:03.143 INFO [stderr]     Checking qc-playground v0.1.0 (/source)
Dec 04 15:51:04.151 INFO [stderr] warning: unused import: `approx::ApproxEq`
Dec 04 15:51:04.151 INFO [stderr]   --> src/lib.rs:13:5
Dec 04 15:51:04.155 INFO [stderr]    |
Dec 04 15:51:04.155 INFO [stderr] 13 | use approx::ApproxEq;
Dec 04 15:51:04.155 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 15:51:04.155 INFO [stderr]    |
Dec 04 15:51:04.155 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 15:51:04.155 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `from_qubits`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:112:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 112 |     fn from_qubits(qubits: &[Qubit]) -> QStateExpr {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `eval`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:125:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 125 |     fn eval(self) -> QState {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: struct is never constructed: `QState`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:176:1
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 176 | struct QState {
Dec 04 15:51:04.383 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `from`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:187:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 187 |     fn from(expr: QStateExpr) -> QState {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `validate`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:193:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 193 |     fn validate(&self) {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `qubit_count`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:201:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 201 |     fn qubit_count(&self) -> u32 {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `apply`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:205:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 205 |     fn apply(self, gate: &QGate) -> QState {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `measure`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:217:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 217 |     fn measure(self, rng: &mut Rng) -> Vec<bool> {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `measure_one`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:231:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 231 |     fn measure_one(self, index: u32, rng: &mut Rng) -> (bool, QState) {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: function is never used: `n_to_bitvec`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:236:1
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 236 | fn n_to_bitvec(n: usize, bits: u32) -> Vec<bool> {
Dec 04 15:51:04.383 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: function is never used: `qubit_count`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:247:1
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 247 | fn qubit_count(state: &DVector<Complex64>) -> u32 {
Dec 04 15:51:04.383 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: struct is never constructed: `QGate`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:252:1
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 252 | struct QGate(DMatrix<Complex64>);
Dec 04 15:51:04.383 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `identity`
Dec 04 15:51:04.383 INFO [stderr]    --> src/lib.rs:261:5
Dec 04 15:51:04.383 INFO [stderr]     |
Dec 04 15:51:04.383 INFO [stderr] 261 |     fn identity() -> QGate {
Dec 04 15:51:04.383 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.383 INFO [stderr] 
Dec 04 15:51:04.383 INFO [stderr] warning: method is never used: `hadamard`
Dec 04 15:51:04.384 INFO [stderr]    --> src/lib.rs:271:5
Dec 04 15:51:04.384 INFO [stderr]     |
Dec 04 15:51:04.384 INFO [stderr] 271 |     fn hadamard() -> QGate {
Dec 04 15:51:04.384 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.384 INFO [stderr] 
Dec 04 15:51:04.384 INFO [stderr] warning: method is never used: `pauli_x`
Dec 04 15:51:04.384 INFO [stderr]    --> src/lib.rs:279:5
Dec 04 15:51:04.384 INFO [stderr]     |
Dec 04 15:51:04.384 INFO [stderr] 279 |     fn pauli_x() -> QGate {
Dec 04 15:51:04.384 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.384 INFO [stderr] 
Dec 04 15:51:04.384 INFO [stderr] warning: method is never used: `pauli_y`
Dec 04 15:51:04.384 INFO [stderr]    --> src/lib.rs:286:5
Dec 04 15:51:04.384 INFO [stderr]     |
Dec 04 15:51:04.384 INFO [stderr] 286 |     fn pauli_y() -> QGate {
Dec 04 15:51:04.384 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.384 INFO [stderr] 
Dec 04 15:51:04.384 INFO [stderr] warning: method is never used: `pauli_z`
Dec 04 15:51:04.384 INFO [stderr]    --> src/lib.rs:293:5
Dec 04 15:51:04.384 INFO [stderr]     |
Dec 04 15:51:04.384 INFO [stderr] 293 |     fn pauli_z() -> QGate {
Dec 04 15:51:04.384 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.384 INFO [stderr] 
Dec 04 15:51:04.384 INFO [stderr] warning: method is never used: `phase_shift`
Dec 04 15:51:04.384 INFO [stderr]    --> src/lib.rs:300:5
Dec 04 15:51:04.384 INFO [stderr]     |
Dec 04 15:51:04.384 INFO [stderr] 300 |     fn phase_shift(phi: f64) -> QGate {
Dec 04 15:51:04.384 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.384 INFO [stderr] 
Dec 04 15:51:04.384 INFO [stderr] warning: method is never used: `swap`
Dec 04 15:51:04.384 INFO [stderr]    --> src/lib.rs:307:5
Dec 04 15:51:04.384 INFO [stderr]     |
Dec 04 15:51:04.384 INFO [stderr] 307 |     fn swap() -> QGate {
Dec 04 15:51:04.384 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.384 INFO [stderr] 
Dec 04 15:51:04.384 INFO [stderr] warning: method is never used: `cnot`
Dec 04 15:51:04.384 INFO [stderr]    --> src/lib.rs:316:5
Dec 04 15:51:04.384 INFO [stderr]     |
Dec 04 15:51:04.384 INFO [stderr] 316 |     fn cnot() -> QGate {
Dec 04 15:51:04.384 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.384 INFO [stderr] 
Dec 04 15:51:04.387 INFO [stderr] warning: method is never used: `par`
Dec 04 15:51:04.387 INFO [stderr]    --> src/lib.rs:326:5
Dec 04 15:51:04.387 INFO [stderr]     |
Dec 04 15:51:04.387 INFO [stderr] 326 |     fn par(&self, rhs: &QGate) -> QGate {
Dec 04 15:51:04.387 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.387 INFO [stderr] 
Dec 04 15:51:04.435 INFO [stderr] warning: method is never used: `measure_one`
Dec 04 15:51:04.435 INFO [stderr]    --> src/lib.rs:231:5
Dec 04 15:51:04.435 INFO [stderr]     |
Dec 04 15:51:04.435 INFO [stderr] 231 |     fn measure_one(self, index: u32, rng: &mut Rng) -> (bool, QState) {
Dec 04 15:51:04.435 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.435 INFO [stderr]     |
Dec 04 15:51:04.435 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 15:51:04.435 INFO [stderr] 
Dec 04 15:51:04.435 INFO [stderr] warning: method is never used: `pauli_x`
Dec 04 15:51:04.435 INFO [stderr]    --> src/lib.rs:279:5
Dec 04 15:51:04.435 INFO [stderr]     |
Dec 04 15:51:04.435 INFO [stderr] 279 |     fn pauli_x() -> QGate {
Dec 04 15:51:04.435 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.435 INFO [stderr] 
Dec 04 15:51:04.435 INFO [stderr] warning: method is never used: `pauli_y`
Dec 04 15:51:04.435 INFO [stderr]    --> src/lib.rs:286:5
Dec 04 15:51:04.435 INFO [stderr]     |
Dec 04 15:51:04.435 INFO [stderr] 286 |     fn pauli_y() -> QGate {
Dec 04 15:51:04.435 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:04.435 INFO [stderr] 
Dec 04 15:51:06.039 INFO [stderr] warning: unused import: `std::ops::Sub`
Dec 04 15:51:06.039 INFO [stderr]  --> examples/shor.rs:9:5
Dec 04 15:51:06.039 INFO [stderr]   |
Dec 04 15:51:06.039 INFO [stderr] 9 | use std::ops::Sub;
Dec 04 15:51:06.039 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 15:51:06.039 INFO [stderr]   |
Dec 04 15:51:06.039 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:51:06.039 INFO [stderr] 
Dec 04 15:51:06.039 INFO [stderr] warning: unused import: `Num`
Dec 04 15:51:06.039 INFO [stderr]   --> examples/shor.rs:12:20
Dec 04 15:51:06.039 INFO [stderr]    |
Dec 04 15:51:06.039 INFO [stderr] 12 | use num::{Integer, Num, One, ToPrimitive};
Dec 04 15:51:06.039 INFO [stderr]    |                    ^^^
Dec 04 15:51:06.039 INFO [stderr] 
Dec 04 15:51:06.039 INFO [stderr] warning: unused import: `qc_playground::Qubit`
Dec 04 15:51:06.039 INFO [stderr]   --> examples/shor.rs:16:5
Dec 04 15:51:06.039 INFO [stderr]    |
Dec 04 15:51:06.039 INFO [stderr] 16 | use qc_playground::Qubit;
Dec 04 15:51:06.039 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:06.039 INFO [stderr] 
Dec 04 15:51:06.135 INFO [stderr] warning: unused variable: `i`
Dec 04 15:51:06.135 INFO [stderr]   --> examples/shor.rs:40:9
Dec 04 15:51:06.135 INFO [stderr]    |
Dec 04 15:51:06.135 INFO [stderr] 40 |     for i in 0..n * 2 {
Dec 04 15:51:06.135 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 04 15:51:06.135 INFO [stderr]    |
Dec 04 15:51:06.135 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 15:51:06.135 INFO [stderr] 
Dec 04 15:51:06.135 INFO [stderr] warning: unused variable: `a`
Dec 04 15:51:06.135 INFO [stderr]   --> examples/shor.rs:79:8
Dec 04 15:51:06.135 INFO [stderr]    |
Dec 04 15:51:06.135 INFO [stderr] 79 | fn qpf(a: &BigInt, n: &BigInt) -> usize {
Dec 04 15:51:06.135 INFO [stderr]    |        ^ help: consider using `_a` instead
Dec 04 15:51:06.135 INFO [stderr] 
Dec 04 15:51:06.135 INFO [stderr] warning: unused variable: `n`
Dec 04 15:51:06.135 INFO [stderr]   --> examples/shor.rs:79:20
Dec 04 15:51:06.135 INFO [stderr]    |
Dec 04 15:51:06.135 INFO [stderr] 79 | fn qpf(a: &BigInt, n: &BigInt) -> usize {
Dec 04 15:51:06.135 INFO [stderr]    |                    ^ help: consider using `_n` instead
Dec 04 15:51:06.135 INFO [stderr] 
Dec 04 15:51:06.135 INFO [stderr] warning: unused variable: `i`
Dec 04 15:51:06.135 INFO [stderr]    --> examples/shor.rs:106:10
Dec 04 15:51:06.135 INFO [stderr]     |
Dec 04 15:51:06.135 INFO [stderr] 106 |     let (i, j) = (0, r);
Dec 04 15:51:06.135 INFO [stderr]     |          ^ help: consider using `_i` instead
Dec 04 15:51:06.135 INFO [stderr] 
Dec 04 15:51:06.135 INFO [stderr] warning: unused variable: `j`
Dec 04 15:51:06.135 INFO [stderr]    --> examples/shor.rs:106:13
Dec 04 15:51:06.135 INFO [stderr]     |
Dec 04 15:51:06.135 INFO [stderr] 106 |     let (i, j) = (0, r);
Dec 04 15:51:06.135 INFO [stderr]     |             ^ help: consider using `_j` instead
Dec 04 15:51:06.135 INFO [stderr] 
Dec 04 15:51:06.231 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.74s
Dec 04 15:51:06.234 INFO [stderr] su: No module specific data is present
Dec 04 15:51:06.895 INFO running `"docker" "inspect" "78c50248251bcf39ab0e2a3862402b6c67cc20e24902bf94388f51ba5c49cf72"`
Dec 04 15:51:07.269 INFO running `"docker" "rm" "-f" "78c50248251bcf39ab0e2a3862402b6c67cc20e24902bf94388f51ba5c49cf72"`
Dec 04 15:51:07.563 INFO [stdout] 78c50248251bcf39ab0e2a3862402b6c67cc20e24902bf94388f51ba5c49cf72