[INFO] cloning repository https://github.com/phayes/smartbuf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phayes/smartbuf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphayes%2Fsmartbuf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphayes%2Fsmartbuf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fb841ec37c39fdcc7ccce6fedb92f0bace0ac9c
[INFO] testing phayes/smartbuf against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphayes%2Fsmartbuf" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phayes/smartbuf
[INFO] finished tweaking git repo https://github.com/phayes/smartbuf
[INFO] tweaked toml for git repo https://github.com/phayes/smartbuf written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phayes/smartbuf on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phayes/smartbuf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70df498b3568865438f75826c75aa4efafbf045f3897ede081512d5c0751228f
[INFO] running `Command { std: "docker" "start" "-a" "70df498b3568865438f75826c75aa4efafbf045f3897ede081512d5c0751228f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70df498b3568865438f75826c75aa4efafbf045f3897ede081512d5c0751228f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70df498b3568865438f75826c75aa4efafbf045f3897ede081512d5c0751228f", kill_on_drop: false }`
[INFO] [stdout] 70df498b3568865438f75826c75aa4efafbf045f3897ede081512d5c0751228f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 695da22f6a3aa4197ecc4dede10abfd79b83000be946ed38b77f9b72c3df4cd2
[INFO] running `Command { std: "docker" "start" "-a" "695da22f6a3aa4197ecc4dede10abfd79b83000be946ed38b77f9b72c3df4cd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling smartbuf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "695da22f6a3aa4197ecc4dede10abfd79b83000be946ed38b77f9b72c3df4cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695da22f6a3aa4197ecc4dede10abfd79b83000be946ed38b77f9b72c3df4cd2", kill_on_drop: false }`
[INFO] [stdout] 695da22f6a3aa4197ecc4dede10abfd79b83000be946ed38b77f9b72c3df4cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105da4bd856705f8a1f481b3991be5c925f9294313b6bd239d831fae3b99b081
[INFO] running `Command { std: "docker" "start" "-a" "105da4bd856705f8a1f481b3991be5c925f9294313b6bd239d831fae3b99b081", kill_on_drop: false }`
[INFO] [stderr]    Compiling smartbuf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "105da4bd856705f8a1f481b3991be5c925f9294313b6bd239d831fae3b99b081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105da4bd856705f8a1f481b3991be5c925f9294313b6bd239d831fae3b99b081", kill_on_drop: false }`
[INFO] [stdout] 105da4bd856705f8a1f481b3991be5c925f9294313b6bd239d831fae3b99b081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e8d90d0a5bb703466f1ae85c4fc3a8b07d272d93cfcd3a34c775ef5c7d148e3
[INFO] running `Command { std: "docker" "start" "-a" "0e8d90d0a5bb703466f1ae85c4fc3a8b07d272d93cfcd3a34c775ef5c7d148e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smartbuf-bb4122a44f3fc1f1)
[INFO] [stdout] 
[INFO] [stdout] running 91 tests
[INFO] [stdout] test tests::buffer_size_accessor ... ok
[INFO] [stdout] test tests::basic_read ... ok
[INFO] [stdout] test tests::deadlock_test_drop_during_read ... ok
[INFO] [stdout] test tests::deadlock_test_drop_while_processing ... ok
[INFO] [stdout] test tests::deadlock_test_background_thread_waiting_on_seek ... ok
[INFO] [stdout] test tests::deadlock_test_drop_during_seek ... ok
[INFO] [stdout] test tests::deadlock_test_interleaved_read_seek ... ok
[INFO] [stdout] test tests::deadlock_test_multiple_seek_current_operations ... ok
[INFO] [stdout] test tests::deadlock_test_all_buffers_in_use ... ok
[INFO] [stdout] test tests::deadlock_test_minimal_buffer_size ... ok
[INFO] [stdout] test tests::deadlock_test_queue_length_one ... ok
[INFO] [stdout] test tests::deadlock_test_seek_after_eof ... ok
[INFO] [stdout] test tests::deadlock_test_seek_to_same_position_multiple_times ... ok
[INFO] [stdout] test tests::deadlock_test_seek_current_negative_beyond_buffer ... ok
[INFO] [stdout] test tests::deadlock_test_rapid_seek_current_forward_backward ... ok
[INFO] [stdout] test tests::deadlock_test_seek_current_rapid ... ok
[INFO] [stdout] test tests::deadlock_test_multiple_seeks_no_read ... ok
[INFO] [stdout] test tests::deadlock_test_rapid_successive_seeks ... ok
[INFO] [stdout] test tests::deadlock_test_seek_while_reading ... ok
[INFO] [stdout] test tests::deadlock_test_seek_forward_then_backward_rapidly ... ok
[INFO] [stdout] test tests::deadlock_test_seek_while_buffer_is_partially_read ... ok
[INFO] [stdout] test tests::deadlock_test_seek_while_buffer_is_full ... ok
[INFO] [stdout] test tests::deadlock_test_seek_without_buffer ... ok
[INFO] [stdout] test tests::deadlock_test_seek_end_then_seek_start ... ok
[INFO] [stdout] test tests::edge_case_buffer_exactly_one_byte ... ok
[INFO] [stdout] test tests::deadlock_test_stress_rapid_operations ... ok
[INFO] [stdout] test tests::edge_case_read_zero_bytes ... ok
[INFO] [stdout] test tests::deadlock_test_read_large_spanning_multiple_buffers_after_seek ... ok
[INFO] [stdout] test tests::edge_case_read_exact_insufficient_data ... ok
[INFO] [stdout] test tests::edge_case_empty_file ... ok
[INFO] [stdout] test tests::edge_case_large_queue_length ... ok
[INFO] [stdout] test tests::edge_case_read_exact_exact_amount ... ok
[INFO] [stdout] test tests::deadlock_test_seek_end_rapid ... ok
[INFO] [stdout] test tests::edge_case_seek_beyond_file_end ... ok
[INFO] [stdout] test tests::edge_case_read_single_byte_multiple_times ... ok
[INFO] [stdout] test tests::default_constructor ... ok
[INFO] [stdout] test tests::edge_case_read_exactly_buffer_size ... ok
[INFO] [stdout] test tests::edge_case_seek_after_read_to_end ... ok
[INFO] [stdout] test tests::edge_case_read_to_end_multiple_times ... ok
[INFO] [stdout] test tests::edge_case_buffer_larger_than_file ... ok
[INFO] [stdout] test tests::edge_case_seek_current_large_forward ... ok
[INFO] [stdout] test tests::edge_case_position_tracking_through_multiple_operations ... ok
[INFO] [stdout] test tests::edge_case_seek_current_negative_at_start ... ok
[INFO] [stdout] test tests::edge_case_seek_current_zero ... ok
[INFO] [stdout] test tests::edge_case_seek_current_large_backward ... ok
[INFO] [stdout] test tests::edge_case_seek_from_end_at_start ... ok
[INFO] [stdout] test tests::edge_case_read_multiple_of_buffer_size ... ok
[INFO] [stdout] test tests::edge_case_read_after_seek_to_exact_end ... ok
[INFO] [stdout] test tests::edge_case_seek_from_end_beyond_start ... ok
[INFO] [stdout] test tests::edge_case_seek_within_buffer_multiple_times ... ok
[INFO] [stdout] test tests::large_queue_length ... ok
[INFO] [stdout] test tests::edge_case_seek_to_same_position_multiple_times ... ok
[INFO] [stdout] test tests::edge_case_seek_current_at_start ... ok
[INFO] [stdout] test tests::edge_case_seek_from_end_zero ... ok
[INFO] [stdout] test tests::edge_case_seek_from_end_positive ... ok
[INFO] [stdout] test tests::read_across_buffer_boundaries ... ok
[INFO] [stdout] test tests::edge_case_seek_to_file_end ... ok
[INFO] [stdout] test tests::read_after_seek_to_end ... ok
[INFO] [stdout] test tests::edge_case_very_small_buffer_size ... ok
[INFO] [stdout] test tests::read_empty_buffer ... ok
[INFO] [stdout] test tests::read_to_end ... ok
[INFO] [stdout] test tests::seek_beyond_buffer_boundary ... ok
[INFO] [stdout] test tests::read_exact_partial ... ok
[INFO] [stdout] test tests::multiple_sequential_seeks ... ok
[INFO] [stdout] test tests::large_read_spans_multiple_buffers ... ok
[INFO] [stdout] test tests::read_at_buffer_boundary ... ok
[INFO] [stdout] test tests::seek_and_read_sequence ... ok
[INFO] [stdout] test tests::read_to_eof ... ok
[INFO] [stdout] test tests::read_exact ... ok
[INFO] [stdout] test tests::multiple_small_reads ... ok
[INFO] [stdout] test tests::position_tracking ... ok
[INFO] [stdout] test tests::edge_case_seek_then_read_partial ... ok
[INFO] [stdout] test tests::seek_current_backward ... ok
[INFO] [stdout] test tests::seek_current_comprehensive ... ok
[INFO] [stdout] test tests::seek_current_forward ... ok
[INFO] [stdout] test tests::seek_current_large_backward ... ok
[INFO] [stdout] test tests::seek_end ... ok
[INFO] [stdout] test tests::seek_current_negative_comprehensive ... ok
[INFO] [stdout] test tests::seek_current_large_forward ... ok
[INFO] [stdout] test tests::seek_current_zero ... ok
[INFO] [stdout] test tests::seek_from_end_negative ... ok
[INFO] [stdout] test tests::seek_start_comprehensive ... ok
[INFO] [stdout] test tests::seek_to_same_position ... ok
[INFO] [stdout] test tests::seek_within_buffer ... ok
[INFO] [stdout] test tests::seek_start_multiple ... ok
[INFO] [stdout] test tests::small_capacity ... ok
[INFO] [stdout] test tests::seek_outside_buffer ... ok
[INFO] [stdout] test tests::test_into_inner_after_reads ... ok
[INFO] [stdout] test tests::seek_to_very_end_then_read ... ok
[INFO] [stdout] test tests::test_into_inner ... ok
[INFO] [stdout] test tests::various_buffer_sizes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 91 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smartbuf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - SmartBuf<R>::into_inner (line 175) - compile ... ok
[INFO] [stdout] test src/lib.rs - SmartBuf (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.44s; merged doctests compilation took 0.43s
[INFO] running `Command { std: "docker" "inspect" "0e8d90d0a5bb703466f1ae85c4fc3a8b07d272d93cfcd3a34c775ef5c7d148e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8d90d0a5bb703466f1ae85c4fc3a8b07d272d93cfcd3a34c775ef5c7d148e3", kill_on_drop: false }`
[INFO] [stdout] 0e8d90d0a5bb703466f1ae85c4fc3a8b07d272d93cfcd3a34c775ef5c7d148e3