[INFO] fetching crate buf_read_write 0.5.0...
[INFO] testing buf_read_write-0.5.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate buf_read_write 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate buf_read_write 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate buf_read_write 0.5.0
[INFO] tweaked toml for crates.io crate buf_read_write 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buf_read_write 0.5.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate buf_read_write 0.5.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3210f180e0414421605d92d883598afd800130f89a9703b23b5b9f785cb76f3
[INFO] running `Command { std: "docker" "start" "-a" "d3210f180e0414421605d92d883598afd800130f89a9703b23b5b9f785cb76f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3210f180e0414421605d92d883598afd800130f89a9703b23b5b9f785cb76f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3210f180e0414421605d92d883598afd800130f89a9703b23b5b9f785cb76f3", kill_on_drop: false }`
[INFO] [stdout] d3210f180e0414421605d92d883598afd800130f89a9703b23b5b9f785cb76f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a86ddc11dbecf6adfa212b13989b48f244c89adc7bb13e388114eb5976def48
[INFO] running `Command { std: "docker" "start" "-a" "1a86ddc11dbecf6adfa212b13989b48f244c89adc7bb13e388114eb5976def48", kill_on_drop: false }`
[INFO] [stderr]    Compiling buf_read_write v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "1a86ddc11dbecf6adfa212b13989b48f244c89adc7bb13e388114eb5976def48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a86ddc11dbecf6adfa212b13989b48f244c89adc7bb13e388114eb5976def48", kill_on_drop: false }`
[INFO] [stdout] 1a86ddc11dbecf6adfa212b13989b48f244c89adc7bb13e388114eb5976def48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e57a6089ac116f8384541ee13ab459c1f29521bf6332ee51af890e1fe7f506
[INFO] running `Command { std: "docker" "start" "-a" "a4e57a6089ac116f8384541ee13ab459c1f29521bf6332ee51af890e1fe7f506", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling buf_read_write v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.56s
[INFO] running `Command { std: "docker" "inspect" "a4e57a6089ac116f8384541ee13ab459c1f29521bf6332ee51af890e1fe7f506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e57a6089ac116f8384541ee13ab459c1f29521bf6332ee51af890e1fe7f506", kill_on_drop: false }`
[INFO] [stdout] a4e57a6089ac116f8384541ee13ab459c1f29521bf6332ee51af890e1fe7f506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82bc6638db4a18ea93db836c82f87e26875ced1f6e68be0a2842674accd23cc9
[INFO] running `Command { std: "docker" "start" "-a" "82bc6638db4a18ea93db836c82f87e26875ced1f6e68be0a2842674accd23cc9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/buf_read_write-46b7908c31a5c015)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::can_seek_far_beyond_end ... ok
[INFO] [stdout] test tests::drop_implies_flush ... ok
[INFO] [stdout] test tests::can_write_beyond_end ... ok
[INFO] [stdout] test tests::big_read_followed_by_small_write_doesnt_write_everything ... ok
[INFO] [stdout] test tests::exhaustive_regress ... ok
[INFO] [stdout] test tests::reads_are_buffered ... ok
[INFO] [stdout] test tests::reading_does_not_cause_writes ... ok
[INFO] [stdout] test tests::test_extreme_size_handling ... ok
[INFO] [stdout] test tests::writes_are_buffered ... ok
[INFO] [stdout] test tests::writes_are_buffered_after_seek ... ok
[INFO] [stdout] test tests::can_seek_and_write_just_beyond_end ... ok
[INFO] [stdout] test tests::test_dirty_buffer_beyond_u64_max ... ok
[INFO] [stdout] test tests::seek_plus_read_will_still_use_buffer ... ok
[INFO] [stdout] test tests::stream_position_is_reloaded ... ok
[INFO] [stdout] test tests::regression ... ok
[INFO] [stdout] test tests::exhaustive ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/buf_read_write-46b7908c31a5c015` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "82bc6638db4a18ea93db836c82f87e26875ced1f6e68be0a2842674accd23cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bc6638db4a18ea93db836c82f87e26875ced1f6e68be0a2842674accd23cc9", kill_on_drop: false }`
[INFO] [stdout] 82bc6638db4a18ea93db836c82f87e26875ced1f6e68be0a2842674accd23cc9