[INFO] fetching crate ldpc 0.3.7...
[INFO] testing ldpc-0.3.7 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ldpc 0.3.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ldpc 0.3.7 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ldpc 0.3.7
[INFO] finished tweaking crates.io crate ldpc 0.3.7
[INFO] tweaked toml for crates.io crate ldpc 0.3.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ldpc 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e043071a1e9b96ab1af32228bf411e6c7d702e6d0480d327eef69cadd9a5d584
[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" "e043071a1e9b96ab1af32228bf411e6c7d702e6d0480d327eef69cadd9a5d584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e043071a1e9b96ab1af32228bf411e6c7d702e6d0480d327eef69cadd9a5d584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e043071a1e9b96ab1af32228bf411e6c7d702e6d0480d327eef69cadd9a5d584", kill_on_drop: false }`
[INFO] [stdout] e043071a1e9b96ab1af32228bf411e6c7d702e6d0480d327eef69cadd9a5d584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ed9e471391942cf1e65097464e02d0af37ccd4c719d1c53866e0fafb1d5a9ed
[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" "9ed9e471391942cf1e65097464e02d0af37ccd4c719d1c53866e0fafb1d5a9ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling is_sorted v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling sparse-bin-mat v0.5.2
[INFO] [stderr]    Compiling bigs v0.2.3
[INFO] [stderr]    Compiling ldpc v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.62s
[INFO] running `Command { std: "docker" "inspect" "9ed9e471391942cf1e65097464e02d0af37ccd4c719d1c53866e0fafb1d5a9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed9e471391942cf1e65097464e02d0af37ccd4c719d1c53866e0fafb1d5a9ed", kill_on_drop: false }`
[INFO] [stdout] 9ed9e471391942cf1e65097464e02d0af37ccd4c719d1c53866e0fafb1d5a9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abf36e6b2f2c4be1617ef9362ed4e0bcacbfbe40bb5896bcca83438283151ab
[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" "3abf36e6b2f2c4be1617ef9362ed4e0bcacbfbe40bb5896bcca83438283151ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling ldpc v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "3abf36e6b2f2c4be1617ef9362ed4e0bcacbfbe40bb5896bcca83438283151ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abf36e6b2f2c4be1617ef9362ed4e0bcacbfbe40bb5896bcca83438283151ab", kill_on_drop: false }`
[INFO] [stdout] 3abf36e6b2f2c4be1617ef9362ed4e0bcacbfbe40bb5896bcca83438283151ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b73fc1882a9b531220ff6927103ffd6152894a44810fdd79ab7639fabf7734ba
[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" "b73fc1882a9b531220ff6927103ffd6152894a44810fdd79ab7639fabf7734ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ldpc-f0947fdd316d94fe)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test decoders::flip::test::flipping_third_bit_for_hamming_code ... ok
[INFO] [stdout] test decoders::flip::test::flipping_first_bit_for_hamming_code ... ok
[INFO] [stdout] test decoders::flip::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 linear_code::edges::test::edges_of_hamming_code ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ldpc
[INFO] [stdout] 
[INFO] [stdout] running 13 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-835fa0f890aa8283.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-a3e360909f0557ef.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-36728487e4ae6d75.rlib --extern ldpc=/opt/rustwide/target/debug/deps/libldpc-630e14b2dd11de08.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-77370e5e286e918a.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-1afc0fce20c0cd61.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-21db023869790c90.rlib --extern sparse_bin_mat=/opt/rustwide/target/debug/deps/libsparse_bin_mat-7899212a6d0d6f31.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b73fc1882a9b531220ff6927103ffd6152894a44810fdd79ab7639fabf7734ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73fc1882a9b531220ff6927103ffd6152894a44810fdd79ab7639fabf7734ba", kill_on_drop: false }`
[INFO] [stdout] b73fc1882a9b531220ff6927103ffd6152894a44810fdd79ab7639fabf7734ba