[INFO] fetching crate quantum 0.1.2...
[INFO] testing quantum-0.1.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate quantum 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate quantum 0.1.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quantum 0.1.2
[INFO] finished tweaking crates.io crate quantum 0.1.2
[INFO] tweaked toml for crates.io crate quantum 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 76e4be3f71a1fc7029a1cd6eacb48f24abe0d518fb892abb460cff506842e921
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "76e4be3f71a1fc7029a1cd6eacb48f24abe0d518fb892abb460cff506842e921"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling float-cmp v0.2.5
[INFO] [stderr]    Compiling quantum v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "76e4be3f71a1fc7029a1cd6eacb48f24abe0d518fb892abb460cff506842e921"`
[INFO] running `"docker" "rm" "-f" "76e4be3f71a1fc7029a1cd6eacb48f24abe0d518fb892abb460cff506842e921"`
[INFO] [stdout] 76e4be3f71a1fc7029a1cd6eacb48f24abe0d518fb892abb460cff506842e921
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 158c2ed1be6dc5898d68cd2590f2b91923c96be72cc010bd45eb5d87937f39b7
[INFO] running `"docker" "start" "-a" "158c2ed1be6dc5898d68cd2590f2b91923c96be72cc010bd45eb5d87937f39b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling quantum v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrix.rs:193:8
[INFO] [stderr]     |
[INFO] [stderr] 193 |    let mut m = m_real![1, 2; 3, 4];
[INFO] [stderr]     |        ----^
[INFO] [stderr]     |        |
[INFO] [stderr]     |        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrix.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let mut added = m_real![2, 4; 6, 8];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrix.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let mut squared = m_real![7, 10; 15, 22];
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "158c2ed1be6dc5898d68cd2590f2b91923c96be72cc010bd45eb5d87937f39b7"`
[INFO] running `"docker" "rm" "-f" "158c2ed1be6dc5898d68cd2590f2b91923c96be72cc010bd45eb5d87937f39b7"`
[INFO] [stdout] 158c2ed1be6dc5898d68cd2590f2b91923c96be72cc010bd45eb5d87937f39b7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6737cd063955f4a9732e84dfc34ffe2202b75720529851bcf3e52fbfe71fe2a5
[INFO] running `"docker" "start" "-a" "6737cd063955f4a9732e84dfc34ffe2202b75720529851bcf3e52fbfe71fe2a5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 20 tests
[INFO] [stderr]    --> src/matrix.rs:193:8
[INFO] [stdout] test ket::valid_test ... ok
[INFO] [stderr]     |
[INFO] [stdout] test ket::classical_test ... ok
[INFO] [stderr] 193 |    let mut m = m_real![1, 2; 3, 4];
[INFO] [stdout] test other::qubit::initialization_test ... ok
[INFO] [stderr]     |        ----^
[INFO] [stdout] test complex::complex_test ... ok
[INFO] [stderr]     |        |
[INFO] [stderr]     |        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrix.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let mut added = m_real![2, 4; 6, 8];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrix.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let mut squared = m_real![7, 10; 15, 22];
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quantum-e692a438aa7867ec
[INFO] [stdout] test ket::from_classical_test ... ok
[INFO] [stdout] test computer::compute_test ... ok
[INFO] [stdout] test gates::pauli_x_test ... ok
[INFO] [stdout] test registers::state_test ... ok
[INFO] [stdout] test gates::pauli_y_test ... ok
[INFO] [stdout] test gates::pauli_z_test ... ok
[INFO] [stdout] test registers::initialization_test ... ok
[INFO] [stdout] test gates::identity_test ... ok
[INFO] [stdout] test registers::collapse_test ... ok
[INFO] [stdout] test gates::swap_test ... ok
[INFO] [stdout] test computer::state_test ... ok
[INFO] [stdout] test gates::hadamard_test ... ok
[INFO] [stdout] test matrix::matrix_test ... ok
[INFO] [stdout] test gates::phase_shift_test ... ok
[INFO] [stdout] test registers::double_collapse_test ... ok
[INFO] [stderr]    Doc-tests quantum
[INFO] [stdout] test other::qubit::bad_initialization_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6737cd063955f4a9732e84dfc34ffe2202b75720529851bcf3e52fbfe71fe2a5"`
[INFO] running `"docker" "rm" "-f" "6737cd063955f4a9732e84dfc34ffe2202b75720529851bcf3e52fbfe71fe2a5"`
[INFO] [stdout] 6737cd063955f4a9732e84dfc34ffe2202b75720529851bcf3e52fbfe71fe2a5