[INFO] fetching crate prefix-arena 0.1.0...
[INFO] testing prefix-arena-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate prefix-arena 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate prefix-arena 0.1.0
[INFO] finished tweaking crates.io crate prefix-arena 0.1.0
[INFO] tweaked toml for crates.io crate prefix-arena 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefix-arena 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prefix-arena 0.1.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b46b3e18e99d48228a9d9dc6de903b076b90d7d5dcae2ac2a6664cfa097f264
[INFO] running `Command { std: "docker" "start" "-a" "8b46b3e18e99d48228a9d9dc6de903b076b90d7d5dcae2ac2a6664cfa097f264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b46b3e18e99d48228a9d9dc6de903b076b90d7d5dcae2ac2a6664cfa097f264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b46b3e18e99d48228a9d9dc6de903b076b90d7d5dcae2ac2a6664cfa097f264", kill_on_drop: false }`
[INFO] [stdout] 8b46b3e18e99d48228a9d9dc6de903b076b90d7d5dcae2ac2a6664cfa097f264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c88967f88a0564b9671e2e46c888889ba9d8684aa0d0eefbec85dda08f97eef
[INFO] running `Command { std: "docker" "start" "-a" "4c88967f88a0564b9671e2e46c888889ba9d8684aa0d0eefbec85dda08f97eef", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix-arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "4c88967f88a0564b9671e2e46c888889ba9d8684aa0d0eefbec85dda08f97eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c88967f88a0564b9671e2e46c888889ba9d8684aa0d0eefbec85dda08f97eef", kill_on_drop: false }`
[INFO] [stdout] 4c88967f88a0564b9671e2e46c888889ba9d8684aa0d0eefbec85dda08f97eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7625eb02d5c26688f0784376ae4bddea4b718669da17c475e4e72ff8b5ef21e3
[INFO] running `Command { std: "docker" "start" "-a" "7625eb02d5c26688f0784376ae4bddea4b718669da17c475e4e72ff8b5ef21e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix-arena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "7625eb02d5c26688f0784376ae4bddea4b718669da17c475e4e72ff8b5ef21e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7625eb02d5c26688f0784376ae4bddea4b718669da17c475e4e72ff8b5ef21e3", kill_on_drop: false }`
[INFO] [stdout] 7625eb02d5c26688f0784376ae4bddea4b718669da17c475e4e72ff8b5ef21e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f435e80ed9ce5ff32f09e34db0e663b758ac8b6810fbcf8816670932d38f3af0
[INFO] running `Command { std: "docker" "start" "-a" "f435e80ed9ce5ff32f09e34db0e663b758ac8b6810fbcf8816670932d38f3af0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefix_arena-0f34944b6b30bf01)
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test prefix_arena::tests::subsequent_take_remaining ... ok
[INFO] [stdout] test prefix_arena::tests::test_empty_buffer ... ok
[INFO] [stdout] test prefix_arena::tests::test_from_slice ... ok
[INFO] [stdout] test prefix_arena::tests::test_from_uninitialized_slice ... ok
[INFO] [stdout] test prefix_arena::tests::test_head_arena_init_then_acquire_with ... ok
[INFO] [stdout] test prefix_arena::tests::test_multiple_take_fronts ... ok
[INFO] [stdout] test prefix_arena::tests::test_no_borrowing_glue ... ok
[INFO] [stdout] test prefix_arena::tests::test_no_borrowing_glue_with_temp_buffer_detach ... ok
[INFO] [stdout] test prefix_arena::tests::test_from_array_for_temporary_buffer ... ok
[INFO] [stdout] test prefix_arena::tests::test_take_front_all ... ok
[INFO] [stdout] test prefix_arena::tests::test_take_front_partial ... ok
[INFO] [stdout] test prefix_arena::tests::test_take_front_zero ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_as_mut_slice ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_as_mut_with_init ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_as_slice ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_init_then_acquire_with_error_preserves_arena ... ok
[INFO] [stdout] test prefix_arena::tests::test_init_from_initialized ... ok
[INFO] [stdout] test prefix_arena::tests::test_empty_buffer_for_temporary_buffer ... ok
[INFO] [stdout] test staging_buffer::tests::test_append_from_slice_partial ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_as_mut_slice_unchecked ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_as_slice_unchecked ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_init_then_acquire_with ... ok
[INFO] [stdout] test staging_buffer::tests::test_append_from_slice ... ok
[INFO] [stdout] test staging_buffer::tests::test_as_mut_slice ... ok
[INFO] [stdout] test staging_buffer::tests::test_as_slice_lifetime ... ok
[INFO] [stdout] test staging_buffer::tests::test_capacity_overflow ... ok
[INFO] [stdout] test staging_buffer::tests::test_clear ... ok
[INFO] [stdout] test staging_buffer::tests::test_empty_buffer ... ok
[INFO] [stdout] test prefix_arena::tests::test_usage_in_a_loop ... ok
[INFO] [stdout] test staging_buffer::tests::test_clear_and_reuse ... ok
[INFO] [stdout] test staging_buffer::tests::test_extend_empty_slice ... ok
[INFO] [stdout] test staging_buffer::tests::test_fill_remaining_empty_slice ... ok
[INFO] [stdout] test staging_buffer::tests::test_multiple_extension ... ok
[INFO] [stdout] test staging_buffer::tests::test_push_until_full ... ok
[INFO] [stdout] test staging_buffer::tests::test_take_used ... ok
[INFO] [stdout] test staging_buffer::tests::test_extend_at_exact_capacity ... ok
[INFO] [stdout] test prefix_arena::tests::test_take_remaining ... ok
[INFO] [stdout] test staging_buffer::tests::test_basic_push ... ok
[INFO] [stdout] test staging_buffer::tests::test_single_byte_buffer ... ok
[INFO] [stdout] test prefix_arena::tests::test_from_array ... ok
[INFO] [stdout] test prefix_arena::tests::test_init_from_uninitialized ... ok
[INFO] [stdout] test prefix_arena::tests::test_take_front_too_large - should panic ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_as_mut_with_init_panics_on_invalid_len - should panic ... ok
[INFO] [stdout] test prefix_arena::tests::test_temp_buffer_init_then_acquire_with_panics_on_invalid_len - should panic ... ok
[INFO] [stdout] test prefix_arena::tests::test_head_arena_init_then_acquire_with_panics_on_invalid_len - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 45 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefix_arena
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.63s; merged doctests compilation took 0.61s
[INFO] running `Command { std: "docker" "inspect" "f435e80ed9ce5ff32f09e34db0e663b758ac8b6810fbcf8816670932d38f3af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f435e80ed9ce5ff32f09e34db0e663b758ac8b6810fbcf8816670932d38f3af0", kill_on_drop: false }`
[INFO] [stdout] f435e80ed9ce5ff32f09e34db0e663b758ac8b6810fbcf8816670932d38f3af0
