[INFO] fetching crate maybe_atomic_refcell 0.3.1... [INFO] testing maybe_atomic_refcell-0.3.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate maybe_atomic_refcell 0.3.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate maybe_atomic_refcell 0.3.1 [INFO] finished tweaking crates.io crate maybe_atomic_refcell 0.3.1 [INFO] tweaked toml for crates.io crate maybe_atomic_refcell 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate maybe_atomic_refcell 0.3.1 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 1 package to latest compatible version [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b494786e66aa1c42689bcdd12203b9f5091e9850884d449996f8e1610e268aff [INFO] running `Command { std: "docker" "start" "-a" "b494786e66aa1c42689bcdd12203b9f5091e9850884d449996f8e1610e268aff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b494786e66aa1c42689bcdd12203b9f5091e9850884d449996f8e1610e268aff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b494786e66aa1c42689bcdd12203b9f5091e9850884d449996f8e1610e268aff", kill_on_drop: false }` [INFO] [stdout] b494786e66aa1c42689bcdd12203b9f5091e9850884d449996f8e1610e268aff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cc701fab5191a242ea0d9ed06025fabed7f50074c19b57ebd2cd234cde4b87fc [INFO] running `Command { std: "docker" "start" "-a" "cc701fab5191a242ea0d9ed06025fabed7f50074c19b57ebd2cd234cde4b87fc", kill_on_drop: false }` [INFO] [stderr] Compiling atomic_refcell v0.1.13 [INFO] [stderr] Compiling maybe_atomic_refcell v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:36:26 [INFO] [stdout] | [INFO] [stdout] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:51:30 [INFO] [stdout] | [INFO] [stdout] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "cc701fab5191a242ea0d9ed06025fabed7f50074c19b57ebd2cd234cde4b87fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc701fab5191a242ea0d9ed06025fabed7f50074c19b57ebd2cd234cde4b87fc", kill_on_drop: false }` [INFO] [stdout] cc701fab5191a242ea0d9ed06025fabed7f50074c19b57ebd2cd234cde4b87fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0d743ee9dbfb9818a21060acaef4956d9dbd136cb6ce34b288e0313b5de26fba [INFO] running `Command { std: "docker" "start" "-a" "0d743ee9dbfb9818a21060acaef4956d9dbd136cb6ce34b288e0313b5de26fba", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:36:26 [INFO] [stdout] | [INFO] [stdout] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:51:30 [INFO] [stdout] | [INFO] [stdout] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling maybe_atomic_refcell v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:36:26 [INFO] [stdout] | [INFO] [stdout] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:51:30 [INFO] [stdout] | [INFO] [stdout] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "0d743ee9dbfb9818a21060acaef4956d9dbd136cb6ce34b288e0313b5de26fba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d743ee9dbfb9818a21060acaef4956d9dbd136cb6ce34b288e0313b5de26fba", kill_on_drop: false }` [INFO] [stdout] 0d743ee9dbfb9818a21060acaef4956d9dbd136cb6ce34b288e0313b5de26fba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8d9ddbe395eed0f428307817b06973c2adfc301eafcd77ce01413c668ffa3b3d [INFO] running `Command { std: "docker" "start" "-a" "8d9ddbe395eed0f428307817b06973c2adfc301eafcd77ce01413c668ffa3b3d", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:36:26 [INFO] [stderr] | [INFO] [stderr] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 36 | pub unsafe fn borrow(&self) -> MaybeAtomicRef<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:51:30 [INFO] [stderr] | [INFO] [stderr] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 51 | pub unsafe fn borrow_mut(&self) -> MaybeAtomicRefMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `maybe_atomic_refcell` (lib) generated 2 warnings (run `cargo fix --lib -p maybe_atomic_refcell` to apply 2 suggestions) [INFO] [stderr] warning: `maybe_atomic_refcell` (lib test) generated 2 warnings (2 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/maybe_atomic_refcell-e2950b32b9acab05) [INFO] [stdout] test tests::it_works ... ok [INFO] [stderr] Doc-tests maybe_atomic_refcell [INFO] [stdout] test tests::it_panics_mut_mut - should panic ... ok [INFO] [stdout] test tests::it_panics_mut_ref - should panic ... ok [INFO] [stdout] test tests::it_panics_ref_mut - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "8d9ddbe395eed0f428307817b06973c2adfc301eafcd77ce01413c668ffa3b3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d9ddbe395eed0f428307817b06973c2adfc301eafcd77ce01413c668ffa3b3d", kill_on_drop: false }` [INFO] [stdout] 8d9ddbe395eed0f428307817b06973c2adfc301eafcd77ce01413c668ffa3b3d