[INFO] fetching crate bit_mask_ring_buf 0.5.2...
[INFO] testing bit_mask_ring_buf-0.5.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate bit_mask_ring_buf 0.5.2 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate bit_mask_ring_buf 0.5.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit_mask_ring_buf 0.5.2
[INFO] finished tweaking crates.io crate bit_mask_ring_buf 0.5.2
[INFO] tweaked toml for crates.io crate bit_mask_ring_buf 0.5.2 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45474d98cddd347bb1437db260a2ed30907b936081b28f104eec73d9eda00b2b
[INFO] running `Command { std: "docker" "start" "-a" "45474d98cddd347bb1437db260a2ed30907b936081b28f104eec73d9eda00b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45474d98cddd347bb1437db260a2ed30907b936081b28f104eec73d9eda00b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45474d98cddd347bb1437db260a2ed30907b936081b28f104eec73d9eda00b2b", kill_on_drop: false }`
[INFO] [stdout] 45474d98cddd347bb1437db260a2ed30907b936081b28f104eec73d9eda00b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be5e97d9b3e81ff98f2bedbe71f800d4c4ecac93c042d2974982eb41e5cbbd0
[INFO] running `Command { std: "docker" "start" "-a" "2be5e97d9b3e81ff98f2bedbe71f800d4c4ecac93c042d2974982eb41e5cbbd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_mask_ring_buf v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "2be5e97d9b3e81ff98f2bedbe71f800d4c4ecac93c042d2974982eb41e5cbbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be5e97d9b3e81ff98f2bedbe71f800d4c4ecac93c042d2974982eb41e5cbbd0", kill_on_drop: false }`
[INFO] [stdout] 2be5e97d9b3e81ff98f2bedbe71f800d4c4ecac93c042d2974982eb41e5cbbd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91db7ae3a9d43246879595cb804e3ee0ca78e1b586e6effce50c01aa23f5e20b
[INFO] running `Command { std: "docker" "start" "-a" "91db7ae3a9d43246879595cb804e3ee0ca78e1b586e6effce50c01aa23f5e20b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bit_mask_ring_buf v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "91db7ae3a9d43246879595cb804e3ee0ca78e1b586e6effce50c01aa23f5e20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91db7ae3a9d43246879595cb804e3ee0ca78e1b586e6effce50c01aa23f5e20b", kill_on_drop: false }`
[INFO] [stdout] 91db7ae3a9d43246879595cb804e3ee0ca78e1b586e6effce50c01aa23f5e20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d8e90c4f68b9176e254da23eb7c6e2ff11ebdaf1c26f2ba4c2523d51e06b4f1
[INFO] running `Command { std: "docker" "start" "-a" "7d8e90c4f68b9176e254da23eb7c6e2ff11ebdaf1c26f2ba4c2523d51e06b4f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bit_mask_ring_buf-b45725eb7708e9f8)
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f32_lin_interp_f32 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f32_lin_interp_f64 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f64_lin_interp_f32 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_f64_lin_interp_f64 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f32_lin_interp_f32 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f32_lin_interp_f64 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f64_lin_interp_f32 ... ok
[INFO] [stdout] test lin_interp::tests::bit_mask_ring_buf_ref_f64_lin_interp_f64 ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_mut_slices ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_mut_slices_len ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_slices_latest ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_slices ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_mut_slices_latest ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_as_slices_len ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_clear ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_index ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_constrain ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_index_mut ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_initialize ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_read_into ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_write_latest ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_write_latest_2 ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_mut_slices ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_mut_slices_latest ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_mut_slices_len ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_slices ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_slices_latest ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_clear ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_constrain ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_clear_set_len ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_index ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_slices_len ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_index_mut ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_initialize ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_read_into ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_initialize_uninit ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_set_len ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_set_len_uninit ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_write_latest ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_write_latest_2 ... ok
[INFO] [stdout] test tests::next_pow_of_2_test ... ok
[INFO] [stdout] test tests::next_pow_of_2_panic_test - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit_mask_ring_buf
[INFO] [stdout] 
[INFO] [stdout] running 57 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 bit_mask_ring_buf --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bit_mask_ring_buf=/opt/rustwide/target/debug/deps/libbit_mask_ring_buf-13aa41accd5f5bd1.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7d8e90c4f68b9176e254da23eb7c6e2ff11ebdaf1c26f2ba4c2523d51e06b4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8e90c4f68b9176e254da23eb7c6e2ff11ebdaf1c26f2ba4c2523d51e06b4f1", kill_on_drop: false }`
[INFO] [stdout] 7d8e90c4f68b9176e254da23eb7c6e2ff11ebdaf1c26f2ba4c2523d51e06b4f1