[INFO] fetching crate spinout 0.0.12...
[INFO] testing spinout-0.0.12 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spinout 0.0.12 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate spinout 0.0.12
[INFO] finished tweaking crates.io crate spinout 0.0.12
[INFO] tweaked toml for crates.io crate spinout 0.0.12 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spinout 0.0.12 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spinout 0.0.12 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1a840f0d5c88d984902f4422656a07412d69cfdcbee07182198a13492cf660f
[INFO] running `Command { std: "docker" "start" "-a" "d1a840f0d5c88d984902f4422656a07412d69cfdcbee07182198a13492cf660f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a840f0d5c88d984902f4422656a07412d69cfdcbee07182198a13492cf660f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a840f0d5c88d984902f4422656a07412d69cfdcbee07182198a13492cf660f", kill_on_drop: false }`
[INFO] [stdout] d1a840f0d5c88d984902f4422656a07412d69cfdcbee07182198a13492cf660f
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 618e5ae1d7318ee43e6a287539ba64a5528d0343288352d2edf4ac2377253375
[INFO] running `Command { std: "docker" "start" "-a" "618e5ae1d7318ee43e6a287539ba64a5528d0343288352d2edf4ac2377253375", kill_on_drop: false }`
[INFO] [stderr]    Compiling spinout v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/atom.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             unsafe { Box::from_raw(self.inner.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 196 |             unsafe { let _ = Box::from_raw(self.inner.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "618e5ae1d7318ee43e6a287539ba64a5528d0343288352d2edf4ac2377253375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618e5ae1d7318ee43e6a287539ba64a5528d0343288352d2edf4ac2377253375", kill_on_drop: false }`
[INFO] [stdout] 618e5ae1d7318ee43e6a287539ba64a5528d0343288352d2edf4ac2377253375
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f435956bf20e30920021ed235d1d984f4fe5d9c02dd149bfc14a7e64e70e4060
[INFO] running `Command { std: "docker" "start" "-a" "f435956bf20e30920021ed235d1d984f4fe5d9c02dd149bfc14a7e64e70e4060", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling textwrap v0.15.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/atom.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             unsafe { Box::from_raw(self.inner.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 196 |             unsafe { let _ = Box::from_raw(self.inner.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling clap v3.2.22
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling spinout v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/atom.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             unsafe { Box::from_raw(self.inner.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 196 |             unsafe { let _ = Box::from_raw(self.inner.as_ptr()); };
[INFO] [stdout]     |                      +++++++                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 27.54s
[INFO] running `Command { std: "docker" "inspect" "f435956bf20e30920021ed235d1d984f4fe5d9c02dd149bfc14a7e64e70e4060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f435956bf20e30920021ed235d1d984f4fe5d9c02dd149bfc14a7e64e70e4060", kill_on_drop: false }`
[INFO] [stdout] f435956bf20e30920021ed235d1d984f4fe5d9c02dd149bfc14a7e64e70e4060
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5850fc0bf473657a96abef87b82c287c0023f7503004f8e8627d40961c4f740
[INFO] running `Command { std: "docker" "start" "-a" "c5850fc0bf473657a96abef87b82c287c0023f7503004f8e8627d40961c4f740", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/atom.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             unsafe { Box::from_raw(self.inner.as_ptr()) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 196 |             unsafe { let _ = Box::from_raw(self.inner.as_ptr()); };
[INFO] [stderr]     |                      +++++++                                   +
[INFO] [stderr] 
[INFO] [stderr] warning: `spinout` (lib) generated 1 warning
[INFO] [stderr] warning: `spinout` (lib test) generated 1 warning (1 duplicate)
[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/spinout-3fe2cfcc901c3004)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test ut_atom_map ... ok
[INFO] [stdout] test ut_atom_get ... ok
[INFO] [stdout] test ut_atom_lock ... ok
[INFO] [stdout] test ut_atom_new ... ok
[INFO] [stdout] test ut_atom_map_mut ... ok
[INFO] [stdout] test ut_cyclic ... ok
[INFO] [stdout] test ut_atom_set ... ok
[INFO] [stderr]    Doc-tests spinout
[INFO] [stdout] test ut_write_vec_4theads_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/spin_lock.rs - spin_lock::SpinLock::new (line 14) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom<T>::new (line 36) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom<T>::get (line 59) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom<T>::set (line 76) ... ok
[INFO] [stdout] test src/atom.rs - atom::Weak<T>::upgrade (line 232) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom (line 13) ... ok
[INFO] [stdout] test src/spin_lock.rs - spin_lock::SpinLock::unlock (line 61) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom<T>::map (line 115) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom<T>::downgrade (line 162) ... ok
[INFO] [stdout] test src/atom.rs - atom::Weak (line 212) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom<T>::map_mut (line 138) ... ok
[INFO] [stdout] test src/atom.rs - atom::Atom<T>::lock (line 94) ... ok
[INFO] [stdout] test src/spin_lock.rs - spin_lock::SpinLock::lock (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5850fc0bf473657a96abef87b82c287c0023f7503004f8e8627d40961c4f740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5850fc0bf473657a96abef87b82c287c0023f7503004f8e8627d40961c4f740", kill_on_drop: false }`
[INFO] [stdout] c5850fc0bf473657a96abef87b82c287c0023f7503004f8e8627d40961c4f740
