[INFO] fetching crate buf_read_write 0.5.0...
[INFO] testing buf_read_write-0.5.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate buf_read_write 0.5.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buf_read_write 0.5.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b21b28b8eae52501ac9d666f6ab1a5bd05bd66b28104bb22b964b3ef171e19e9
[INFO] running `Command { std: "docker" "start" "-a" "b21b28b8eae52501ac9d666f6ab1a5bd05bd66b28104bb22b964b3ef171e19e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b21b28b8eae52501ac9d666f6ab1a5bd05bd66b28104bb22b964b3ef171e19e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21b28b8eae52501ac9d666f6ab1a5bd05bd66b28104bb22b964b3ef171e19e9", kill_on_drop: false }`
[INFO] [stdout] b21b28b8eae52501ac9d666f6ab1a5bd05bd66b28104bb22b964b3ef171e19e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d0f2dcbda2cfa183bc361d55612266feff9e422219fce25c56f620d41047b6
[INFO] running `Command { std: "docker" "start" "-a" "b4d0f2dcbda2cfa183bc361d55612266feff9e422219fce25c56f620d41047b6", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "b4d0f2dcbda2cfa183bc361d55612266feff9e422219fce25c56f620d41047b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d0f2dcbda2cfa183bc361d55612266feff9e422219fce25c56f620d41047b6", kill_on_drop: false }`
[INFO] [stdout] b4d0f2dcbda2cfa183bc361d55612266feff9e422219fce25c56f620d41047b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ecda797e2b62e58b3a88abff8f17ac12b82c4ff0c1f866f93087d9f83d8227
[INFO] running `Command { std: "docker" "start" "-a" "c2ecda797e2b62e58b3a88abff8f17ac12b82c4ff0c1f866f93087d9f83d8227", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling regex v1.11.1
[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 26.33s
[INFO] running `Command { std: "docker" "inspect" "c2ecda797e2b62e58b3a88abff8f17ac12b82c4ff0c1f866f93087d9f83d8227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ecda797e2b62e58b3a88abff8f17ac12b82c4ff0c1f866f93087d9f83d8227", kill_on_drop: false }`
[INFO] [stdout] c2ecda797e2b62e58b3a88abff8f17ac12b82c4ff0c1f866f93087d9f83d8227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a560829cfdb176db93948c6f0516a506fb1336cc0ccc1d59ce20c33b322b689f
[INFO] running `Command { std: "docker" "start" "-a" "a560829cfdb176db93948c6f0516a506fb1336cc0ccc1d59ce20c33b322b689f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/buf_read_write-46b7908c31a5c015)
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::big_read_followed_by_small_write_doesnt_write_everything ... ok
[INFO] [stdout] test tests::can_seek_and_write_just_beyond_end ... ok
[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::test_dirty_buffer_beyond_u64_max ... ok
[INFO] [stdout] test tests::reading_does_not_cause_writes ... ok
[INFO] [stdout] test tests::reads_are_buffered ... ok
[INFO] [stdout] test tests::test_extreme_size_handling ... ok
[INFO] [stdout] test tests::writes_are_buffered ... 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::writes_are_buffered_after_seek ... ok
[INFO] [stdout] test tests::exhaustive_regress ... 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" "a560829cfdb176db93948c6f0516a506fb1336cc0ccc1d59ce20c33b322b689f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a560829cfdb176db93948c6f0516a506fb1336cc0ccc1d59ce20c33b322b689f", kill_on_drop: false }`
[INFO] [stdout] a560829cfdb176db93948c6f0516a506fb1336cc0ccc1d59ce20c33b322b689f