[INFO] fetching crate bufrw 0.2.0...
[INFO] testing bufrw-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate bufrw 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate bufrw 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bufrw 0.2.0
[INFO] tweaked toml for crates.io crate bufrw 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bufrw 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bufrw 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85f4c44637bb792d5951e98774df4f3ae01c2b725061a2c21109adf613c2d171
[INFO] running `Command { std: "docker" "start" "-a" "85f4c44637bb792d5951e98774df4f3ae01c2b725061a2c21109adf613c2d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f4c44637bb792d5951e98774df4f3ae01c2b725061a2c21109adf613c2d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f4c44637bb792d5951e98774df4f3ae01c2b725061a2c21109adf613c2d171", kill_on_drop: false }`
[INFO] [stdout] 85f4c44637bb792d5951e98774df4f3ae01c2b725061a2c21109adf613c2d171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 164d0dcfa4b6dfd03b1caf7d88305dbd7da0a14c8362b3f09d99ba25bfd3b313
[INFO] running `Command { std: "docker" "start" "-a" "164d0dcfa4b6dfd03b1caf7d88305dbd7da0a14c8362b3f09d99ba25bfd3b313", kill_on_drop: false }`
[INFO] [stderr]    Compiling bufrw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "164d0dcfa4b6dfd03b1caf7d88305dbd7da0a14c8362b3f09d99ba25bfd3b313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164d0dcfa4b6dfd03b1caf7d88305dbd7da0a14c8362b3f09d99ba25bfd3b313", kill_on_drop: false }`
[INFO] [stdout] 164d0dcfa4b6dfd03b1caf7d88305dbd7da0a14c8362b3f09d99ba25bfd3b313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fe2b532db261879b7f7bada77c16e456f1122c6bb3f8e8470881ed2ae3301dc
[INFO] running `Command { std: "docker" "start" "-a" "7fe2b532db261879b7f7bada77c16e456f1122c6bb3f8e8470881ed2ae3301dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling bufrw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `Command { std: "docker" "inspect" "7fe2b532db261879b7f7bada77c16e456f1122c6bb3f8e8470881ed2ae3301dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe2b532db261879b7f7bada77c16e456f1122c6bb3f8e8470881ed2ae3301dc", kill_on_drop: false }`
[INFO] [stdout] 7fe2b532db261879b7f7bada77c16e456f1122c6bb3f8e8470881ed2ae3301dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01d8a56f9bd097a1042476fd2cb8fe1139c9659657f73b5e65d0f6392e97f49a
[INFO] running `Command { std: "docker" "start" "-a" "01d8a56f9bd097a1042476fd2cb8fe1139c9659657f73b5e65d0f6392e97f49a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bufrw-01858b0475cdcb49)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_drop_flushes ... ok
[INFO] [stdout] test tests::test_seek_current_negative_too_far ... ok
[INFO] [stdout] test tests::test_seek_end_then_write ... ok
[INFO] [stdout] test tests::test_seek_current_at_buffer_boundary ... ok
[INFO] [stdout] test tests::test_seek_current_forward ... ok
[INFO] [stdout] test tests::read_more_than_buffer_capacity ... ok
[INFO] [stdout] test tests::write_more_than_buffer_capacity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fixed_csv_tests.rs (/opt/rustwide/target/debug/deps/fixed_csv_tests-32cad986a32bec9f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_rewrite_in_swapped_order_using_seek_current_backward ... ok
[INFO] [stdout] test test_rewrite_in_swapped_order_using_seek_current_forward ... ok
[INFO] [stdout] test test_rewrite_in_swapped_order_using_seek_from_start_decreasing_order ... ok
[INFO] [stdout] test test_plain_read_write ... ok
[INFO] [stdout] test test_rewrite_in_swapped_order_using_seek_current_random_order ... ok
[INFO] [stdout] test test_rewrite_in_swapped_order_using_seek_from_start_increasing_order ... ok
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-28101684cb9e2f66)
[INFO] [stdout] test test_rewrite_in_swapped_order_using_seek_from_start_random_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test fixed_csv_tests::test_rewrite_in_swapped_order_using_seek_current_forward ... ok
[INFO] [stdout] test fixed_csv_tests::test_rewrite_in_swapped_order_using_seek_current_random_order ... ok
[INFO] [stdout] test fixed_csv_tests::test_rewrite_in_swapped_order_using_seek_from_start_decreasing_order ... ok
[INFO] [stdout] test fixed_csv_tests::test_rewrite_in_swapped_order_using_seek_current_backward ... ok
[INFO] [stdout] test fixed_csv_tests::test_plain_read_write ... ok
[INFO] [stdout] test fixed_csv_tests::test_rewrite_in_swapped_order_using_seek_from_start_increasing_order ... ok
[INFO] [stdout] test fixed_csv_tests::test_rewrite_in_swapped_order_using_seek_from_start_random_order ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bufrw
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - BufReaderWriter<T>::new (line 66) - compile ... ok
[INFO] [stdout] test src/lib.rs - BufReaderWriter<T>::with_capacity (line 87) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.29s; merged doctests compilation took 0.28s
[INFO] running `Command { std: "docker" "inspect" "01d8a56f9bd097a1042476fd2cb8fe1139c9659657f73b5e65d0f6392e97f49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d8a56f9bd097a1042476fd2cb8fe1139c9659657f73b5e65d0f6392e97f49a", kill_on_drop: false }`
[INFO] [stdout] 01d8a56f9bd097a1042476fd2cb8fe1139c9659657f73b5e65d0f6392e97f49a