[INFO] fetching crate ldpc 0.5.0...
[INFO] testing ldpc-0.5.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ldpc 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ldpc 0.5.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ldpc 0.5.0
[INFO] finished tweaking crates.io crate ldpc 0.5.0
[INFO] tweaked toml for crates.io crate ldpc 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ldpc 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sparse-bin-mat v0.6.1
[INFO] [stderr]   Downloaded sprs v0.9.4
[INFO] [stderr]   Downloaded is_sorted v0.1.1
[INFO] [stderr]   Downloaded pauli v0.2.2
[INFO] [stderr]   Downloaded bigs v0.2.3
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded alga v0.9.3
[INFO] [stderr]   Downloaded sprs v0.11.0
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54e4c8adab84084bd1bb27d8c632a9ae4dd5bbadc9a3aba556a0917e7b1de48e
[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" "54e4c8adab84084bd1bb27d8c632a9ae4dd5bbadc9a3aba556a0917e7b1de48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e4c8adab84084bd1bb27d8c632a9ae4dd5bbadc9a3aba556a0917e7b1de48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e4c8adab84084bd1bb27d8c632a9ae4dd5bbadc9a3aba556a0917e7b1de48e", kill_on_drop: false }`
[INFO] [stdout] 54e4c8adab84084bd1bb27d8c632a9ae4dd5bbadc9a3aba556a0917e7b1de48e
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9140cb44a5cda7a5cd31c77684aa6fe5a80f45507740365dba2a69b4b3b624ef
[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" "9140cb44a5cda7a5cd31c77684aa6fe5a80f45507740365dba2a69b4b3b624ef", 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 syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling is_sorted v0.1.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling sprs v0.11.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling sprs v0.9.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling sparse-bin-mat v0.6.1
[INFO] [stderr]    Compiling bigs v0.2.3
[INFO] [stderr]    Compiling pauli v0.2.2
[INFO] [stderr]    Compiling ldpc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `transposed_mat`
[INFO] [stdout]   --> src/decoders/belief_propagation.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     transposed_mat: SparseBinMat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "9140cb44a5cda7a5cd31c77684aa6fe5a80f45507740365dba2a69b4b3b624ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9140cb44a5cda7a5cd31c77684aa6fe5a80f45507740365dba2a69b4b3b624ef", kill_on_drop: false }`
[INFO] [stdout] 9140cb44a5cda7a5cd31c77684aa6fe5a80f45507740365dba2a69b4b3b624ef
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89d44006f926a4e25515c7e6f2dd502acd946315aa4aad818c539491ec890515
[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" "89d44006f926a4e25515c7e6f2dd502acd946315aa4aad818c539491ec890515", kill_on_drop: false }`
[INFO] [stderr]    Compiling ldpc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `transposed_mat`
[INFO] [stdout]   --> src/decoders/belief_propagation.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     transposed_mat: SparseBinMat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transposed_mat`
[INFO] [stdout]   --> src/decoders/belief_propagation.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     transposed_mat: SparseBinMat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "89d44006f926a4e25515c7e6f2dd502acd946315aa4aad818c539491ec890515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d44006f926a4e25515c7e6f2dd502acd946315aa4aad818c539491ec890515", kill_on_drop: false }`
[INFO] [stdout] 89d44006f926a4e25515c7e6f2dd502acd946315aa4aad818c539491ec890515
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcb23c7ec4bc65de2aa56816363d8647164db4671ec24adb1e4b35f26cbdc7ee
[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" "bcb23c7ec4bc65de2aa56816363d8647164db4671ec24adb1e4b35f26cbdc7ee", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `transposed_mat`
[INFO] [stderr]   --> src/decoders/belief_propagation.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     transposed_mat: SparseBinMat,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ldpc` (lib) generated 1 warning
[INFO] [stderr] warning: `ldpc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ldpc-064b6660420e0840)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test codes::linear_code::edges::test::edges_of_hamming_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::flipping_first_bit_for_hamming_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::no_error_for_hamming_code ... ok
[INFO] [stdout] test decoders::flip::test::flipping_first_and_third_bit_for_hamming_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::flipping_third_bit_for_hamming_code ... ok
[INFO] [stdout] test codes::css::logicals::test::steane_code ... ok
[INFO] [stdout] test codes::css::logicals::test::shor_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::flipping_two_bits_for_random_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::flipping_first_and_third_bit_for_hamming_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::flipping_first_bit_for_random_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::flipping_third_bit_for_random_code ... ok
[INFO] [stdout] test decoders::flip::test::flipping_third_bit_for_hamming_code ... ok
[INFO] [stdout] test decoders::flip::test::no_error_for_hamming_code ... ok
[INFO] [stdout] test decoders::belief_propagation::test::no_error_for_random_code ... ok
[INFO] [stdout] test decoders::flip::test::flipping_first_bit_for_hamming_code ... ok
[INFO] [stdout] test codes::css::logicals::test::random_hypergraph_product ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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-b5a1402bd76d555e.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-aa40ffd767eb9790.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9ade512e5033c232.rlib --extern ldpc=/opt/rustwide/target/debug/deps/libldpc-5e2f73fc5a1dd27b.rlib --extern pauli=/opt/rustwide/target/debug/deps/libpauli-1e104fb641400553.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-220d3d13f366b3eb.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-65a5a967a16caea9.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-35d8a1e4ebbfd990.rlib --extern sparse_bin_mat=/opt/rustwide/target/debug/deps/libsparse_bin_mat-2970af4ae5f2e086.rlib --extern sprs=/opt/rustwide/target/debug/deps/libsprs-ccdbf343ac6ef650.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bcb23c7ec4bc65de2aa56816363d8647164db4671ec24adb1e4b35f26cbdc7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb23c7ec4bc65de2aa56816363d8647164db4671ec24adb1e4b35f26cbdc7ee", kill_on_drop: false }`
[INFO] [stdout] bcb23c7ec4bc65de2aa56816363d8647164db4671ec24adb1e4b35f26cbdc7ee