[INFO] cloning repository https://github.com/JPYamamoto/quantum_computing_studies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPYamamoto/quantum_computing_studies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPYamamoto%2Fquantum_computing_studies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPYamamoto%2Fquantum_computing_studies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f42e6f19599dc71b9b6e29da632420ed25f5ebad
[INFO] checking JPYamamoto/quantum_computing_studies against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPYamamoto%2Fquantum_computing_studies" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPYamamoto/quantum_computing_studies on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JPYamamoto/quantum_computing_studies
[INFO] finished tweaking git repo https://github.com/JPYamamoto/quantum_computing_studies
[INFO] tweaked toml for git repo https://github.com/JPYamamoto/quantum_computing_studies written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JPYamamoto/quantum_computing_studies 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking JPYamamoto/quantum_computing_studies against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPYamamoto%2Fquantum_computing_studies" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPYamamoto/quantum_computing_studies on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JPYamamoto/quantum_computing_studies
[INFO] finished tweaking git repo https://github.com/JPYamamoto/quantum_computing_studies
[INFO] tweaked toml for git repo https://github.com/JPYamamoto/quantum_computing_studies written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JPYamamoto/quantum_computing_studies 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking JPYamamoto/quantum_computing_studies against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPYamamoto%2Fquantum_computing_studies" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPYamamoto/quantum_computing_studies on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JPYamamoto/quantum_computing_studies
[INFO] finished tweaking git repo https://github.com/JPYamamoto/quantum_computing_studies
[INFO] tweaked toml for git repo https://github.com/JPYamamoto/quantum_computing_studies written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JPYamamoto/quantum_computing_studies 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f312102e9354c204dfe6acd192565df8979308928fb04bad22e88658ba10f1c5
[INFO] running `Command { std: "docker" "start" "-a" "f312102e9354c204dfe6acd192565df8979308928fb04bad22e88658ba10f1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f312102e9354c204dfe6acd192565df8979308928fb04bad22e88658ba10f1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f312102e9354c204dfe6acd192565df8979308928fb04bad22e88658ba10f1c5", kill_on_drop: false }`
[INFO] [stdout] f312102e9354c204dfe6acd192565df8979308928fb04bad22e88658ba10f1c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0e2799a133b242961d5a152e5642e4d7993a24b276ab67bdeea6834970d7ef
[INFO] running `Command { std: "docker" "start" "-a" "cb0e2799a133b242961d5a152e5642e4d7993a24b276ab67bdeea6834970d7ef", kill_on_drop: false }`
[INFO] [stderr]     Checking quantum_computing_studies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/exercises/chapter1.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout]    |                                                  ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout] 81 +                     new_matrix[(new_y as usize)][new_x as usize] = *elem;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/exercises/chapter1.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout]    |                                ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout] 81 +                     new_matrix[new_y as usize][(new_x as usize)] = *elem;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/exercises/chapter1.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout]    |                                                  ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout] 81 +                     new_matrix[(new_y as usize)][new_x as usize] = *elem;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/exercises/chapter1.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout]    |                                ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -                     new_matrix[(new_y as usize)][(new_x as usize)] = *elem;
[INFO] [stdout] 81 +                     new_matrix[new_y as usize][(new_x as usize)] = *elem;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `distance_to` and `norm` are never used
[INFO] [stdout]   --> src/utils/complex_vector.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<const N: usize> ComplexVector<N> {
[INFO] [stdout]    | ------------------------------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn distance_to(self, rhs: ComplexVector<N>) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn norm(self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `conjugate`, `transpose`, and `conjugate_transpose` are never used
[INFO] [stdout]   --> src/utils/complex_matrix.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<const R: usize, const C: usize> ComplexMatrix<R, C> {
[INFO] [stdout]    | -------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn conjugate(&self) -> ComplexMatrix<R, C> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn transpose(&self) -> ComplexMatrix<C, R> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn conjugate_transpose(&self) -> ComplexMatrix<C, R> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_hermitian` is never used
[INFO] [stdout]   --> src/utils/complex_matrix.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl <const N: usize> ComplexMatrix<N, N> {
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] 39 |     pub fn is_hermitian(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "cb0e2799a133b242961d5a152e5642e4d7993a24b276ab67bdeea6834970d7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0e2799a133b242961d5a152e5642e4d7993a24b276ab67bdeea6834970d7ef", kill_on_drop: false }`
[INFO] [stdout] cb0e2799a133b242961d5a152e5642e4d7993a24b276ab67bdeea6834970d7ef