[INFO] fetching crate threadcell 1.0.3...
[INFO] testing threadcell-1.0.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate threadcell 1.0.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate threadcell 1.0.3
[INFO] finished tweaking crates.io crate threadcell 1.0.3
[INFO] tweaked toml for crates.io crate threadcell 1.0.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate threadcell 1.0.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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] [stderr]       Adding mutants v0.0.3 (available: v0.0.4)
[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] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d8985a648a7c28e7c2502d502fb36f8dc31bad91ad1c815556224242db7e822
[INFO] running `Command { std: "docker" "start" "-a" "2d8985a648a7c28e7c2502d502fb36f8dc31bad91ad1c815556224242db7e822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8985a648a7c28e7c2502d502fb36f8dc31bad91ad1c815556224242db7e822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8985a648a7c28e7c2502d502fb36f8dc31bad91ad1c815556224242db7e822", kill_on_drop: false }`
[INFO] [stdout] 2d8985a648a7c28e7c2502d502fb36f8dc31bad91ad1c815556224242db7e822
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 800971acc3c18399eeac9ab0c3aad26bc9d4d45e908dd40b2d3fe3869a7a4724
[INFO] running `Command { std: "docker" "start" "-a" "800971acc3c18399eeac9ab0c3aad26bc9d4d45e908dd40b2d3fe3869a7a4724", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling threadcell v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:134:26
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn acquire_guard(&self) -> Guard<T> {
[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] 134 |     pub fn acquire_guard(&self) -> Guard<'_, T> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<T>> {
[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] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<'_, T>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:173:30
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<T> {
[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] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<'_, T> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:188:34
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<T>> {
[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] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<'_, T>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "800971acc3c18399eeac9ab0c3aad26bc9d4d45e908dd40b2d3fe3869a7a4724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800971acc3c18399eeac9ab0c3aad26bc9d4d45e908dd40b2d3fe3869a7a4724", kill_on_drop: false }`
[INFO] [stdout] 800971acc3c18399eeac9ab0c3aad26bc9d4d45e908dd40b2d3fe3869a7a4724
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf517c841f332770371112edfa03c2c78d8b2c510a486364e49fac5ffbe7e77
[INFO] running `Command { std: "docker" "start" "-a" "ebf517c841f332770371112edfa03c2c78d8b2c510a486364e49fac5ffbe7e77", kill_on_drop: false }`
[INFO] [stderr]    Compiling threadcell v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:134:26
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn acquire_guard(&self) -> Guard<T> {
[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] 134 |     pub fn acquire_guard(&self) -> Guard<'_, T> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<T>> {
[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] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<'_, T>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:173:30
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<T> {
[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] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<'_, T> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:188:34
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<T>> {
[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] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<'_, T>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/globals.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         MUT_GLOBAL.acquire();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/globals.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |         assert_eq!(*MUT_GLOBAL.get(), 345);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> tests/globals.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         *MUT_GLOBAL.get_mut() = 456;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/globals.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |         assert_eq!(*MUT_GLOBAL.get(), 456);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> tests/guards.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut guard = unsafe { DISOWNED.acquire_guard_mut() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/guards.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let guard = unsafe { DISOWNED.acquire_guard() };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:134:26
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn acquire_guard(&self) -> Guard<T> {
[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] 134 |     pub fn acquire_guard(&self) -> Guard<'_, T> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<T>> {
[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] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<'_, T>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:173:30
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<T> {
[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] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<'_, T> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:188:34
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<T>> {
[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] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<'_, T>> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "ebf517c841f332770371112edfa03c2c78d8b2c510a486364e49fac5ffbe7e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf517c841f332770371112edfa03c2c78d8b2c510a486364e49fac5ffbe7e77", kill_on_drop: false }`
[INFO] [stdout] ebf517c841f332770371112edfa03c2c78d8b2c510a486364e49fac5ffbe7e77
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1216f089f6ef1b32dd78f59e25362da061385ad278d85e7ed5863b111a5559c3
[INFO] running `Command { std: "docker" "start" "-a" "1216f089f6ef1b32dd78f59e25362da061385ad278d85e7ed5863b111a5559c3", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:134:26
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn acquire_guard(&self) -> Guard<T> {
[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] 134 |     pub fn acquire_guard(&self) -> Guard<'_, T> {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:150:30
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<T>> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn try_acquire_guard(&self) -> Option<Guard<'_, T>> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:173:30
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<T> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn acquire_guard_mut(&mut self) -> GuardMut<'_, T> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:188:34
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<T>> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn try_acquire_guard_mut(&mut self) -> Option<GuardMut<'_, T>> {
[INFO] [stderr]     |                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `threadcell` (lib) generated 4 warnings (run `cargo fix --lib -p threadcell` to apply 4 suggestions)
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> tests/globals.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         MUT_GLOBAL.acquire();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> tests/globals.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |         assert_eq!(*MUT_GLOBAL.get(), 345);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]   --> tests/globals.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 |         *MUT_GLOBAL.get_mut() = 456;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> tests/globals.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |         assert_eq!(*MUT_GLOBAL.get(), 456);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `threadcell` (test "globals") generated 4 warnings
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]   --> tests/guards.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut guard = unsafe { DISOWNED.acquire_guard_mut() };
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> tests/guards.rs:56:30
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let guard = unsafe { DISOWNED.acquire_guard() };
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `threadcell` (test "guards") generated 2 warnings
[INFO] [stderr] warning: `threadcell` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/threadcell-4dbb3d838993c7fe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test threadid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/globals.rs (/opt/rustwide/target/debug/deps/globals-60785cbbda5ef774)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test access_global ... ok
[INFO] [stdout] test access_mut_global ... ok
[INFO] [stdout] test concurrent_mut_global ... 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] [stderr]      Running tests/guards.rs (/opt/rustwide/target/debug/deps/guards-ef8d0461ac0e7b31)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test guard ... ok
[INFO] [stdout] test no_acquire_after_guard ... ok
[INFO] [stdout] test try_acquire_guard ... ok
[INFO] [stdout] test no_guard_after_acquire ... ok
[INFO] [stdout] test try_acquire_guard_mut ... ok
[INFO] [stdout] test guard_drop ... ok
[INFO] [stdout] test guard_mut ... ok
[INFO] [stdout] test cant_release_guarded - should panic ... ok
[INFO] [stdout] test two_guard_panic - should panic ... ok
[INFO] [stdout] test guard_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/singlethreaded.rs (/opt/rustwide/target/debug/deps/singlethreaded-a047902a0ef77281)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test access_owned ... ok
[INFO] [stdout] test is_disowned ... ok
[INFO] [stdout] test is_acquired ... ok
[INFO] [stdout] test release ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test mutate_owned ... ok
[INFO] [stdout] test try_acquire_get ... ok
[INFO] [stdout] test try_acquire_get_mut ... ok
[INFO] [stdout] test try_acquire_once ... ok
[INFO] [stdout] test try_release ... ok
[INFO] [stdout] test try_get ... ok
[INFO] [stdout] test try_with ... ok
[INFO] [stdout] test try_get_mut ... ok
[INFO] [stdout] test try_with_mut ... ok
[INFO] [stdout] test access_disowned - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests threadcell
[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" "1216f089f6ef1b32dd78f59e25362da061385ad278d85e7ed5863b111a5559c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1216f089f6ef1b32dd78f59e25362da061385ad278d85e7ed5863b111a5559c3", kill_on_drop: false }`
[INFO] [stdout] 1216f089f6ef1b32dd78f59e25362da061385ad278d85e7ed5863b111a5559c3
