[INFO] updating cached repository khernyo/qc-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/khernyo/qc-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/khernyo/qc-playground" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/khernyo/qc-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/khernyo/qc-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/khernyo/qc-playground" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/khernyo/qc-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/khernyo/qc-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9bda8dd85b870f6e57bd411d07774bd0f318c787
[INFO] sha for GitHub repo khernyo/qc-playground: 9bda8dd85b870f6e57bd411d07774bd0f318c787
[INFO] validating manifest of khernyo/qc-playground on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of khernyo/qc-playground on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing khernyo/qc-playground
[INFO] finished frobbing khernyo/qc-playground
[INFO] frobbed toml for khernyo/qc-playground written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/khernyo/qc-playground/Cargo.toml
[INFO] started frobbing khernyo/qc-playground
[INFO] finished frobbing khernyo/qc-playground
[INFO] frobbed toml for khernyo/qc-playground written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/khernyo/qc-playground/Cargo.toml
[INFO] crate khernyo/qc-playground already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking khernyo/qc-playground against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/khernyo/qc-playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 775e66ceac692a7ab735e179a2cfeeb54cd4cd0dd4bfd7b0eef7385605bee15c
[INFO] running `"docker" "start" "-a" "775e66ceac692a7ab735e179a2cfeeb54cd4cd0dd4bfd7b0eef7385605bee15c"`
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]     Checking ieee754 v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking alga v0.5.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling ramp v0.5.0
[INFO] [stderr]     Checking nalgebra v0.14.1
[INFO] [stderr]     Checking is_prime v1.0.5
[INFO] [stderr]     Checking qc-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `approx::ApproxEq`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use approx::ApproxEq;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_qubits`
[INFO] [stderr]    --> src/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn from_qubits(qubits: &[Qubit]) -> QStateExpr {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]    --> src/lib.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn eval(self) -> QState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `QState`
[INFO] [stderr]    --> src/lib.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | struct QState {
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]    --> src/lib.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn from(expr: QStateExpr) -> QState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `validate`
[INFO] [stderr]    --> src/lib.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn validate(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `qubit_count`
[INFO] [stderr]    --> src/lib.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn qubit_count(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `apply`
[INFO] [stderr]    --> src/lib.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn apply(self, gate: &QGate) -> QState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `measure`
[INFO] [stderr]    --> src/lib.rs:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn measure(self, rng: &mut Rng) -> Vec<bool> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `measure_one`
[INFO] [stderr]    --> src/lib.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn measure_one(self, index: u32, rng: &mut Rng) -> (bool, QState) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `n_to_bitvec`
[INFO] [stderr]    --> src/lib.rs:236:1
[INFO] [stderr]     |
[INFO] [stderr] 236 | fn n_to_bitvec(n: usize, bits: u32) -> Vec<bool> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `qubit_count`
[INFO] [stderr]    --> src/lib.rs:247:1
[INFO] [stderr]     |
[INFO] [stderr] 247 | fn qubit_count(state: &DVector<Complex64>) -> u32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `QGate`
[INFO] [stderr]    --> src/lib.rs:252:1
[INFO] [stderr]     |
[INFO] [stderr] 252 | struct QGate(DMatrix<Complex64>);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identity`
[INFO] [stderr]    --> src/lib.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn identity() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hadamard`
[INFO] [stderr]    --> src/lib.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn hadamard() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pauli_x`
[INFO] [stderr]    --> src/lib.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     fn pauli_x() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pauli_y`
[INFO] [stderr]    --> src/lib.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     fn pauli_y() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pauli_z`
[INFO] [stderr]    --> src/lib.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     fn pauli_z() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `phase_shift`
[INFO] [stderr]    --> src/lib.rs:300:5
[INFO] [stderr]     |
[INFO] [stderr] 300 |     fn phase_shift(phi: f64) -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `swap`
[INFO] [stderr]    --> src/lib.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn swap() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cnot`
[INFO] [stderr]    --> src/lib.rs:316:5
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn cnot() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `par`
[INFO] [stderr]    --> src/lib.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn par(&self, rhs: &QGate) -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `measure_one`
[INFO] [stderr]    --> src/lib.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn measure_one(self, index: u32, rng: &mut Rng) -> (bool, QState) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pauli_x`
[INFO] [stderr]    --> src/lib.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     fn pauli_x() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pauli_y`
[INFO] [stderr]    --> src/lib.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     fn pauli_y() -> QGate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Sub`
[INFO] [stderr]  --> examples/shor.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ops::Sub;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Num`
[INFO] [stderr]   --> examples/shor.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use num::{Integer, Num, One, ToPrimitive};
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `qc_playground::Qubit`
[INFO] [stderr]   --> examples/shor.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use qc_playground::Qubit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> examples/shor.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     for i in 0..n * 2 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/shor.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn qpf(a: &BigInt, n: &BigInt) -> usize {
[INFO] [stderr]    |        ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> examples/shor.rs:79:20
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn qpf(a: &BigInt, n: &BigInt) -> usize {
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> examples/shor.rs:106:10
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let (i, j) = (0, r);
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> examples/shor.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let (i, j) = (0, r);
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.83s
[INFO] running `"docker" "inspect" "775e66ceac692a7ab735e179a2cfeeb54cd4cd0dd4bfd7b0eef7385605bee15c"`
[INFO] running `"docker" "rm" "-f" "775e66ceac692a7ab735e179a2cfeeb54cd4cd0dd4bfd7b0eef7385605bee15c"`
[INFO] [stdout] 775e66ceac692a7ab735e179a2cfeeb54cd4cd0dd4bfd7b0eef7385605bee15c