[INFO] fetching crate tokio-pipe 0.2.12...
[INFO] testing tokio-pipe-0.2.12 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate tokio-pipe 0.2.12 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tokio-pipe 0.2.12
[INFO] finished tweaking crates.io crate tokio-pipe 0.2.12
[INFO] tweaked toml for crates.io crate tokio-pipe 0.2.12 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-pipe 0.2.12 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cc9916333e640c1a52dbb4359c4734677a390d17329e8622c45afed4a35fc94
[INFO] running `Command { std: "docker" "start" "-a" "2cc9916333e640c1a52dbb4359c4734677a390d17329e8622c45afed4a35fc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cc9916333e640c1a52dbb4359c4734677a390d17329e8622c45afed4a35fc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc9916333e640c1a52dbb4359c4734677a390d17329e8622c45afed4a35fc94", kill_on_drop: false }`
[INFO] [stdout] 2cc9916333e640c1a52dbb4359c4734677a390d17329e8622c45afed4a35fc94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f06f7cd942e3811cbb711c32bca9908fcf5cc8c3c914577803604763d5fd9ac9
[INFO] running `Command { std: "docker" "start" "-a" "f06f7cd942e3811cbb711c32bca9908fcf5cc8c3c914577803604763d5fd9ac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling tokio-pipe v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stdout]    --> src/lib.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0))]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stdout]    --> src/lib.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xFF_FF_FF_FE))]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.24s
[INFO] running `Command { std: "docker" "inspect" "f06f7cd942e3811cbb711c32bca9908fcf5cc8c3c914577803604763d5fd9ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06f7cd942e3811cbb711c32bca9908fcf5cc8c3c914577803604763d5fd9ac9", kill_on_drop: false }`
[INFO] [stdout] f06f7cd942e3811cbb711c32bca9908fcf5cc8c3c914577803604763d5fd9ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5da66e70bbca058b8c10c42375337ed69d32b20425fad647b4a9d103dce263b
[INFO] running `Command { std: "docker" "start" "-a" "d5da66e70bbca058b8c10c42375337ed69d32b20425fad647b4a9d103dce263b", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stdout]    --> src/lib.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0))]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stdout]    --> src/lib.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xFF_FF_FF_FE))]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-pipe v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stdout]    --> src/lib.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0))]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stdout]    --> src/lib.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xFF_FF_FF_FE))]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "d5da66e70bbca058b8c10c42375337ed69d32b20425fad647b4a9d103dce263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5da66e70bbca058b8c10c42375337ed69d32b20425fad647b4a9d103dce263b", kill_on_drop: false }`
[INFO] [stdout] d5da66e70bbca058b8c10c42375337ed69d32b20425fad647b4a9d103dce263b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d46bd777431aad1edf304c93f24b3648da89f06f36fbf39246c97899b9113d1
[INFO] running `Command { std: "docker" "start" "-a" "0d46bd777431aad1edf304c93f24b3648da89f06f36fbf39246c97899b9113d1", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stderr]    --> src/lib.rs:169:12
[INFO] [stderr]     |
[INFO] [stderr] 169 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0))]
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `rustc_attrs`
[INFO] [stderr]    --> src/lib.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xFF_FF_FF_FE))]
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(rustc_attrs)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(rustc_attrs)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-pipe` (lib) generated 2 warnings
[INFO] [stderr] warning: `tokio-pipe` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_pipe-bc878d43cdcc2a10)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::test_from_child_no_stdio ... FAILED
[INFO] [stdout] test tests::test_from_child_stdio ... FAILED
[INFO] [stdout] test tests::test_piperead_from_raw_fd_checked_failure_not_pipe ... ok
[INFO] [stdout] test tests::test_piperead_from_raw_fd_checked_success ... ok
[INFO] [stdout] test tests::test_pipewrite_from_raw_fd_checked_failure_not_write_end ... ok
[INFO] [stdout] test tests::test_piperead_from_raw_fd_checked_failure_not_read_end ... ok
[INFO] [stdout] test tests::test_pipewrite_from_raw_fd_checked_success ... ok
[INFO] [stdout] test tests::test_pipewrite_from_raw_fd_checked_failure_not_pipe ... ok
[INFO] [stdout] test tests::test_read_to_end ... ok
[INFO] [stdout] test tests::test_writev ... ok
[INFO] [stdout] test tests::test_tee ... ok
[INFO] [stdout] test tests::test_write_after_shutdown ... ok
[INFO] [stdout] test tests::test_splice ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test tests::test_tee_no_inf_loop ... ok
[INFO] [stdout] test tests::test_splice_no_inf_loop ... ok
[INFO] [stdout] test tests::test_atomic_write_io_slices ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_from_child_no_stdio stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_from_child_stdio stdout ----
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_from_child_no_stdio
[INFO] [stdout]     tests::test_from_child_stdio
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d46bd777431aad1edf304c93f24b3648da89f06f36fbf39246c97899b9113d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d46bd777431aad1edf304c93f24b3648da89f06f36fbf39246c97899b9113d1", kill_on_drop: false }`
[INFO] [stdout] 0d46bd777431aad1edf304c93f24b3648da89f06f36fbf39246c97899b9113d1
