[INFO] fetching crate quantum 0.1.2...
[INFO] testing quantum-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate quantum 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate quantum 0.1.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be772ee9b987feb9a985549806c0a0e9f9841ccd50bfd3dde0e145077fb3a344
[INFO] running `"docker" "start" "-a" "be772ee9b987feb9a985549806c0a0e9f9841ccd50bfd3dde0e145077fb3a344"`
[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 1.16s
[INFO] running `"docker" "inspect" "be772ee9b987feb9a985549806c0a0e9f9841ccd50bfd3dde0e145077fb3a344"`
[INFO] running `"docker" "rm" "-f" "be772ee9b987feb9a985549806c0a0e9f9841ccd50bfd3dde0e145077fb3a344"`
[INFO] [stdout] be772ee9b987feb9a985549806c0a0e9f9841ccd50bfd3dde0e145077fb3a344
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-06-03" "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] 4fe638eab5f485c933d2cc5a538ad79cb985bc044f0ba14eb6d2cf565fd73225
[INFO] running `"docker" "start" "-a" "4fe638eab5f485c933d2cc5a538ad79cb985bc044f0ba14eb6d2cf565fd73225"`
[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 1.32s
[INFO] running `"docker" "inspect" "4fe638eab5f485c933d2cc5a538ad79cb985bc044f0ba14eb6d2cf565fd73225"`
[INFO] running `"docker" "rm" "-f" "4fe638eab5f485c933d2cc5a538ad79cb985bc044f0ba14eb6d2cf565fd73225"`
[INFO] [stdout] 4fe638eab5f485c933d2cc5a538ad79cb985bc044f0ba14eb6d2cf565fd73225
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-06-03" "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] 257bd55015a618420d49d016df118fc03c26df9870b6decdb5a67e74cb503b7d
[INFO] running `"docker" "start" "-a" "257bd55015a618420d49d016df118fc03c26df9870b6decdb5a67e74cb503b7d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quantum-4ec220c3553f8e68
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test complex::complex_test ... ok
[INFO] [stdout] test ket::from_classical_test ... ok
[INFO] [stdout] test computer::compute_test ... ok
[INFO] [stdout] test ket::valid_test ... ok
[INFO] [stdout] test computer::state_test ... ok
[INFO] [stdout] test matrix::matrix_test ... ok
[INFO] [stdout] test other::qubit::initialization_test ... ok
[INFO] [stdout] test registers::state_test ... ok
[INFO] [stdout] test registers::initialization_test ... ok
[INFO] [stdout] test ket::classical_test ... ok
[INFO] [stdout] test gates::identity_test ... ok
[INFO] [stdout] test gates::hadamard_test ... ok
[INFO] [stdout] test gates::pauli_x_test ... ok
[INFO] [stdout] test gates::pauli_y_test ... ok
[INFO] [stdout] test registers::collapse_test ... ok
[INFO] [stdout] test gates::phase_shift_test ... ok
[INFO] [stdout] test gates::pauli_z_test ... ok
[INFO] [stdout] test gates::swap_test ... ok
[INFO] [stdout] test other::qubit::bad_initialization_test ... ok
[INFO] [stderr]    Doc-tests quantum
[INFO] [stdout] test registers::double_collapse_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" "257bd55015a618420d49d016df118fc03c26df9870b6decdb5a67e74cb503b7d"`
[INFO] running `"docker" "rm" "-f" "257bd55015a618420d49d016df118fc03c26df9870b6decdb5a67e74cb503b7d"`
[INFO] [stdout] 257bd55015a618420d49d016df118fc03c26df9870b6decdb5a67e74cb503b7d