[INFO] fetching crate Qit 0.1.4...
[INFO] checking Qit-0.1.4 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate Qit 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate Qit 0.1.4 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Qit 0.1.4
[INFO] finished tweaking crates.io crate Qit 0.1.4
[INFO] tweaked toml for crates.io crate Qit 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate Qit 0.1.4 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6be5156e4aaebcf3dcf1d2f31f7b4fdbeb0aea35c4121b745c3a7ddd49f89b7
[INFO] running `Command { std: "docker" "start" "-a" "b6be5156e4aaebcf3dcf1d2f31f7b4fdbeb0aea35c4121b745c3a7ddd49f89b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6be5156e4aaebcf3dcf1d2f31f7b4fdbeb0aea35c4121b745c3a7ddd49f89b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6be5156e4aaebcf3dcf1d2f31f7b4fdbeb0aea35c4121b745c3a7ddd49f89b7", kill_on_drop: false }`
[INFO] [stdout] b6be5156e4aaebcf3dcf1d2f31f7b4fdbeb0aea35c4121b745c3a7ddd49f89b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5edb5a458b7cac2f2a60a76f771e0a9ec4892c9b025c6adf94c461108b3c3a3
[INFO] running `Command { std: "docker" "start" "-a" "d5edb5a458b7cac2f2a60a76f771e0a9ec4892c9b025c6adf94c461108b3c3a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking Qit v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/core.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout]     |                                  ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout] 255 +         let mut prob = vec![0.0; 1 << self.size];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/core.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout]     |                                  ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout] 255 +         let mut prob = vec![0.0; 1 << self.size];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmm_const` and `swap`
[INFO] [stdout]    --> src/tests.rs:333:27
[INFO] [stdout]     |
[INFO] [stdout] 333 |     use super::circuits::{cmm_const, me_const, swap};
[INFO] [stdout]     |                           ^^^^^^^^^            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mod_inv`
[INFO] [stdout]    --> src/tests.rs:334:46
[INFO] [stdout]     |
[INFO] [stdout] 334 |     use super::core::mod_funcs::{is_coprime, mod_inv, mod_power};
[INFO] [stdout]     |                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::gates::X`
[INFO] [stdout]    --> src/tests.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     use super::gates::X;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H` and `X`
[INFO] [stdout]    --> src/tests.rs:362:24
[INFO] [stdout]     |
[INFO] [stdout] 362 |     use super::gates::{H, X};
[INFO] [stdout]     |                        ^  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:366:43
[INFO] [stdout]     |
[INFO] [stdout] 366 |     let bits = vec![Comp::new(0.25, 0.0); (1 << 4)];
[INFO] [stdout]     |                                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 366 -     let bits = vec![Comp::new(0.25, 0.0); (1 << 4)];
[INFO] [stdout] 366 +     let bits = vec![Comp::new(0.25, 0.0); 1 << 4];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `swap`
[INFO] [stdout]    --> src/tests.rs:395:36
[INFO] [stdout]     |
[INFO] [stdout] 395 |     use super::circuits::{inv_qft, swap};
[INFO] [stdout]     |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]    --> src/gates.rs:712:5
[INFO] [stdout]     |
[INFO] [stdout] 709 | pub struct CU {
[INFO] [stdout]     |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 712 |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Qit` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `qit`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     let mut q_in = Qubits::from_num(4, 0);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]    --> src/gates.rs:712:5
[INFO] [stdout]     |
[INFO] [stdout] 709 | pub struct CU {
[INFO] [stdout]     |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 712 |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "d5edb5a458b7cac2f2a60a76f771e0a9ec4892c9b025c6adf94c461108b3c3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5edb5a458b7cac2f2a60a76f771e0a9ec4892c9b025c6adf94c461108b3c3a3", kill_on_drop: false }`
[INFO] [stdout] d5edb5a458b7cac2f2a60a76f771e0a9ec4892c9b025c6adf94c461108b3c3a3
[INFO] checking Qit-0.1.4 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate Qit 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate Qit 0.1.4 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Qit 0.1.4
[INFO] finished tweaking crates.io crate Qit 0.1.4
[INFO] tweaked toml for crates.io crate Qit 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate Qit 0.1.4 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 599b0374dcceeecb1d38c92d8325e992bbb6170439bf6294b9cb619e894d3e43
[INFO] running `Command { std: "docker" "start" "-a" "599b0374dcceeecb1d38c92d8325e992bbb6170439bf6294b9cb619e894d3e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "599b0374dcceeecb1d38c92d8325e992bbb6170439bf6294b9cb619e894d3e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599b0374dcceeecb1d38c92d8325e992bbb6170439bf6294b9cb619e894d3e43", kill_on_drop: false }`
[INFO] [stdout] 599b0374dcceeecb1d38c92d8325e992bbb6170439bf6294b9cb619e894d3e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac630a1c5bb309b2b3c7dedeaa8f1f729a27fd736a72e2236a74b66706cefbd
[INFO] running `Command { std: "docker" "start" "-a" "5ac630a1c5bb309b2b3c7dedeaa8f1f729a27fd736a72e2236a74b66706cefbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking Qit v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/core.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout]     |                                  ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout] 255 +         let mut prob = vec![0.0; 1 << self.size];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/core.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout]     |                                  ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -         let mut prob = vec![0.0; (1 << self.size)];
[INFO] [stdout] 255 +         let mut prob = vec![0.0; 1 << self.size];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmm_const` and `swap`
[INFO] [stdout]    --> src/tests.rs:333:27
[INFO] [stdout]     |
[INFO] [stdout] 333 |     use super::circuits::{cmm_const, me_const, swap};
[INFO] [stdout]     |                           ^^^^^^^^^            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mod_inv`
[INFO] [stdout]    --> src/tests.rs:334:46
[INFO] [stdout]     |
[INFO] [stdout] 334 |     use super::core::mod_funcs::{is_coprime, mod_inv, mod_power};
[INFO] [stdout]     |                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::gates::X`
[INFO] [stdout]    --> src/tests.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     use super::gates::X;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H` and `X`
[INFO] [stdout]    --> src/tests.rs:362:24
[INFO] [stdout]     |
[INFO] [stdout] 362 |     use super::gates::{H, X};
[INFO] [stdout]     |                        ^  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tests.rs:366:43
[INFO] [stdout]     |
[INFO] [stdout] 366 |     let bits = vec![Comp::new(0.25, 0.0); (1 << 4)];
[INFO] [stdout]     |                                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 366 -     let bits = vec![Comp::new(0.25, 0.0); (1 << 4)];
[INFO] [stdout] 366 +     let bits = vec![Comp::new(0.25, 0.0); 1 << 4];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `swap`
[INFO] [stdout]    --> src/tests.rs:395:36
[INFO] [stdout]     |
[INFO] [stdout] 395 |     use super::circuits::{inv_qft, swap};
[INFO] [stdout]     |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]    --> src/gates.rs:712:5
[INFO] [stdout]     |
[INFO] [stdout] 709 | pub struct CU {
[INFO] [stdout]     |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 712 |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Qit` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `qit`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     let mut q_in = Qubits::from_num(4, 0);
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]    --> src/gates.rs:712:5
[INFO] [stdout]     |
[INFO] [stdout] 709 | pub struct CU {
[INFO] [stdout]     |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 712 |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "5ac630a1c5bb309b2b3c7dedeaa8f1f729a27fd736a72e2236a74b66706cefbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac630a1c5bb309b2b3c7dedeaa8f1f729a27fd736a72e2236a74b66706cefbd", kill_on_drop: false }`
[INFO] [stdout] 5ac630a1c5bb309b2b3c7dedeaa8f1f729a27fd736a72e2236a74b66706cefbd
