[INFO] fetching crate bit_mask_ring_buf 0.5.2...
[INFO] testing bit_mask_ring_buf-0.5.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bit_mask_ring_buf 0.5.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bit_mask_ring_buf 0.5.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43f3631e4cc70d962d1e9e29b1da0de7fdbbef3885f352f10d08b998785ea4df
[INFO] running `Command { std: "docker" "start" "-a" "43f3631e4cc70d962d1e9e29b1da0de7fdbbef3885f352f10d08b998785ea4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43f3631e4cc70d962d1e9e29b1da0de7fdbbef3885f352f10d08b998785ea4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f3631e4cc70d962d1e9e29b1da0de7fdbbef3885f352f10d08b998785ea4df", kill_on_drop: false }`
[INFO] [stdout] 43f3631e4cc70d962d1e9e29b1da0de7fdbbef3885f352f10d08b998785ea4df
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d4a8dbe99a57b6d369c798baf6d59750018129749f3c7bfa38c9e72d26f1226
[INFO] running `Command { std: "docker" "start" "-a" "9d4a8dbe99a57b6d369c798baf6d59750018129749f3c7bfa38c9e72d26f1226", 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "9d4a8dbe99a57b6d369c798baf6d59750018129749f3c7bfa38c9e72d26f1226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4a8dbe99a57b6d369c798baf6d59750018129749f3c7bfa38c9e72d26f1226", kill_on_drop: false }`
[INFO] [stdout] 9d4a8dbe99a57b6d369c798baf6d59750018129749f3c7bfa38c9e72d26f1226
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab8bad457071031c58ba25356b74b5bd9aa87b6e738cee88bd8a244d54cd8ab0
[INFO] running `Command { std: "docker" "start" "-a" "ab8bad457071031c58ba25356b74b5bd9aa87b6e738cee88bd8a244d54cd8ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_mask_ring_buf v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "ab8bad457071031c58ba25356b74b5bd9aa87b6e738cee88bd8a244d54cd8ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8bad457071031c58ba25356b74b5bd9aa87b6e738cee88bd8a244d54cd8ab0", kill_on_drop: false }`
[INFO] [stdout] ab8bad457071031c58ba25356b74b5bd9aa87b6e738cee88bd8a244d54cd8ab0
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50ab048e76770ec90c9f2c8ab90d252835caee02c1af29561136396a59385a68
[INFO] running `Command { std: "docker" "start" "-a" "50ab048e76770ec90c9f2c8ab90d252835caee02c1af29561136396a59385a68", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bit_mask_ring_buf-3eb32ce190b374fd)
[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_ref_f32_lin_interp_f32 ... 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_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_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_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_len ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_clear ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_constrain ... ok
[INFO] [stdout] test referenced::tests::bit_mask_ring_buf_ref_index ... 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_len ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_as_mut_slices_latest ... 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_as_slices_len ... 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_constrain ... 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_initialize_uninit ... ok
[INFO] [stdout] test tests::bit_mask_ring_buf_read_into ... 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 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit_mask_ring_buf
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::raw_at_mut (line 1262) ... ok
[INFO] [stdout] test src/lib.rs - BMRingBuf<T>::as_mut_slices (line 722) ... ok
[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-73c367f477e8e59a.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "50ab048e76770ec90c9f2c8ab90d252835caee02c1af29561136396a59385a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ab048e76770ec90c9f2c8ab90d252835caee02c1af29561136396a59385a68", kill_on_drop: false }`
[INFO] [stdout] 50ab048e76770ec90c9f2c8ab90d252835caee02c1af29561136396a59385a68