[INFO] fetching crate npnc 0.2.1...
[INFO] testing npnc-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate npnc 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate npnc 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate npnc 0.2.1
[INFO] tweaked toml for crates.io crate npnc 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate npnc 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33c9880252ac519e05eaa8bd11096490ed4b653f64041794f7d643d2c212315d
[INFO] running `Command { std: "docker" "start" "-a" "33c9880252ac519e05eaa8bd11096490ed4b653f64041794f7d643d2c212315d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33c9880252ac519e05eaa8bd11096490ed4b653f64041794f7d643d2c212315d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c9880252ac519e05eaa8bd11096490ed4b653f64041794f7d643d2c212315d", kill_on_drop: false }`
[INFO] [stdout] 33c9880252ac519e05eaa8bd11096490ed4b653f64041794f7d643d2c212315d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba90f6a6385f08bfbfb88d84e47ffc7850b818d2489068729279f49694a7603
[INFO] running `Command { std: "docker" "start" "-a" "7ba90f6a6385f08bfbfb88d84e47ffc7850b818d2489068729279f49694a7603", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling hazard v0.3.1
[INFO] [stderr]    Compiling npnc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:105:47
[INFO] [stdout]     |
[INFO] [stdout] 105 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:149:47
[INFO] [stdout]     |
[INFO] [stdout] 149 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buffer.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut item = mem::uninitialized();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/bounded/mpmc.rs:137:34
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let item = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/bounded/mpmc.rs:144:29
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut item = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "7ba90f6a6385f08bfbfb88d84e47ffc7850b818d2489068729279f49694a7603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba90f6a6385f08bfbfb88d84e47ffc7850b818d2489068729279f49694a7603", kill_on_drop: false }`
[INFO] [stdout] 7ba90f6a6385f08bfbfb88d84e47ffc7850b818d2489068729279f49694a7603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a4857a614317e1a5928675bc83f2feff82fd340f4f3ac8744cf01063cdb4099
[INFO] running `Command { std: "docker" "start" "-a" "7a4857a614317e1a5928675bc83f2feff82fd340f4f3ac8744cf01063cdb4099", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling queuecheck v0.1.1
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:105:47
[INFO] [stdout]     |
[INFO] [stdout] 105 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:149:47
[INFO] [stdout]     |
[INFO] [stdout] 149 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buffer.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut item = mem::uninitialized();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/bounded/mpmc.rs:137:34
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let item = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/bounded/mpmc.rs:144:29
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut item = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling npnc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:105:47
[INFO] [stdout]     |
[INFO] [stdout] 105 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:149:47
[INFO] [stdout]     |
[INFO] [stdout] 149 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/buffer.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut item = mem::uninitialized();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/bounded/mpmc.rs:137:34
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let item = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/bounded/mpmc.rs:144:29
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut item = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "7a4857a614317e1a5928675bc83f2feff82fd340f4f3ac8744cf01063cdb4099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4857a614317e1a5928675bc83f2feff82fd340f4f3ac8744cf01063cdb4099", kill_on_drop: false }`
[INFO] [stdout] 7a4857a614317e1a5928675bc83f2feff82fd340f4f3ac8744cf01063cdb4099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd6e0a3323dd3224e194d64584aa671e0b370559ba07aec70176a82082a31701
[INFO] running `Command { std: "docker" "start" "-a" "dd6e0a3323dd3224e194d64584aa671e0b370559ba07aec70176a82082a31701", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:105:47
[INFO] [stderr]     |
[INFO] [stderr] 105 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:149:47
[INFO] [stderr]     |
[INFO] [stderr] 149 |         write!(formatter, "{}", error::Error::description(self))
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/buffer.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let mut item = mem::uninitialized();
[INFO] [stderr]    |                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/bounded/mpmc.rs:137:34
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let item = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/bounded/mpmc.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let mut item = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `npnc` (lib) generated 5 warnings
[INFO] [stderr] warning: `npnc` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/npnc-48eb4abccde2a1c5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-a467d805b5498b20)
[INFO] [stdout] test bounded_spsc ...
[INFO] [stdout] test unbounded_spsc ...
[INFO] [stdout] test bounded_mpmc ...
[INFO] [stdout] test unbounded_mpmc ...
[INFO] [stderr]    Doc-tests npnc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd6e0a3323dd3224e194d64584aa671e0b370559ba07aec70176a82082a31701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6e0a3323dd3224e194d64584aa671e0b370559ba07aec70176a82082a31701", kill_on_drop: false }`
[INFO] [stdout] dd6e0a3323dd3224e194d64584aa671e0b370559ba07aec70176a82082a31701