[INFO] fetching crate ldpc 0.4.4...
[INFO] testing ldpc-0.4.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate ldpc 0.4.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ldpc 0.4.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ldpc 0.4.4
[INFO] finished tweaking crates.io crate ldpc 0.4.4
[INFO] tweaked toml for crates.io crate ldpc 0.4.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ldpc 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f99df0c116c28aab86c7880d433aa90d8bfd4f1f7c83d16bd5f4f55315cf6581
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f99df0c116c28aab86c7880d433aa90d8bfd4f1f7c83d16bd5f4f55315cf6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99df0c116c28aab86c7880d433aa90d8bfd4f1f7c83d16bd5f4f55315cf6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99df0c116c28aab86c7880d433aa90d8bfd4f1f7c83d16bd5f4f55315cf6581", kill_on_drop: false }`
[INFO] [stdout] f99df0c116c28aab86c7880d433aa90d8bfd4f1f7c83d16bd5f4f55315cf6581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a24587ab49ef40ae03f20b42b8b07d2ec3e90bb0db4c12841262d0d9878a5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9a24587ab49ef40ae03f20b42b8b07d2ec3e90bb0db4c12841262d0d9878a5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling is_sorted v0.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling sprs v0.9.4
[INFO] [stderr]    Compiling sparse-bin-mat v0.5.2
[INFO] [stderr]    Compiling bigs v0.2.3
[INFO] [stderr]    Compiling pauli v0.2.2
[INFO] [stderr]    Compiling ldpc v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.03s
[INFO] running `Command { std: "docker" "inspect" "e9a24587ab49ef40ae03f20b42b8b07d2ec3e90bb0db4c12841262d0d9878a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a24587ab49ef40ae03f20b42b8b07d2ec3e90bb0db4c12841262d0d9878a5d", kill_on_drop: false }`
[INFO] [stdout] e9a24587ab49ef40ae03f20b42b8b07d2ec3e90bb0db4c12841262d0d9878a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bbf4e51d2abe1b24061125ac74261ac615c1ba61e46e6a7d86420cfca80ff56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0bbf4e51d2abe1b24061125ac74261ac615c1ba61e46e6a7d86420cfca80ff56", kill_on_drop: false }`
[INFO] [stderr]    Compiling ldpc v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "0bbf4e51d2abe1b24061125ac74261ac615c1ba61e46e6a7d86420cfca80ff56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbf4e51d2abe1b24061125ac74261ac615c1ba61e46e6a7d86420cfca80ff56", kill_on_drop: false }`
[INFO] [stdout] 0bbf4e51d2abe1b24061125ac74261ac615c1ba61e46e6a7d86420cfca80ff56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c8ce1cdb6287f19ee3d1ca9f1462adb966247def942c7769784b76002b2bbd1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c8ce1cdb6287f19ee3d1ca9f1462adb966247def942c7769784b76002b2bbd1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ldpc-4742aabce0cb7e78)
[INFO] [stdout] test classical::decoders::flip::test::flipping_third_bit_for_hamming_code ... ok
[INFO] [stdout] test classical::decoders::flip::test::flipping_first_and_third_bit_for_hamming_code ... ok
[INFO] [stdout] test classical::decoders::flip::test::no_error_for_hamming_code ... ok
[INFO] [stdout] test classical::decoders::flip::test::flipping_first_bit_for_hamming_code ... ok
[INFO] [stdout] test quantum::css::logicals::test::random_hypergraph_product ... ok
[INFO] [stdout] test classical::linear_code::edges::test::edges_of_hamming_code ... ok
[INFO] [stdout] test quantum::css::logicals::test::steane_code ... ok
[INFO] [stdout] test quantum::css::logicals::test::shor_code ... ok
[INFO] [stdout] test quantum::css::test::codes_should_be_orthogonal ... ok
[INFO] [stdout] test quantum::css::test::syndrome_shor_code ... ok
[INFO] [stdout] test quantum::css::test::syndrome_steane_code ... ok
[INFO] [stdout] test quantum::css::test::codes_should_have_same_length ... ok
[INFO] [stdout] test quantum::css::test::hypergraph_product_of_repetition_codes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ldpc
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ldpc --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bigs=/opt/rustwide/target/debug/deps/libbigs-1616f54fdaa7789d.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-7944d475efbdd012.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c8dd939ba4bc9fbb.rlib --extern ldpc=/opt/rustwide/target/debug/deps/libldpc-76310742368c9dd9.rlib --extern pauli=/opt/rustwide/target/debug/deps/libpauli-4abdaf67da16da08.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-a933eda1d39bae93.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5a042df705dd4467.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2c5e9cff220d7f35.rlib --extern sparse_bin_mat=/opt/rustwide/target/debug/deps/libsparse_bin_mat-fdb8db133244da63.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1c8ce1cdb6287f19ee3d1ca9f1462adb966247def942c7769784b76002b2bbd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8ce1cdb6287f19ee3d1ca9f1462adb966247def942c7769784b76002b2bbd1", kill_on_drop: false }`
[INFO] [stdout] 1c8ce1cdb6287f19ee3d1ca9f1462adb966247def942c7769784b76002b2bbd1