[INFO] fetching crate libmemtester 1.2.1... [INFO] testing libmemtester-1.2.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate libmemtester 1.2.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate libmemtester 1.2.1 [INFO] finished tweaking crates.io crate libmemtester 1.2.1 [INFO] tweaked toml for crates.io crate libmemtester 1.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate libmemtester 1.2.1 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 21 packages to latest compatible versions [INFO] [stderr] Adding nix v0.24.3 (available: v0.30.1) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0454163cb506cd962044e8bf74e5f7203757bad3376be565a7ed08b593dcb51a [INFO] running `Command { std: "docker" "start" "-a" "0454163cb506cd962044e8bf74e5f7203757bad3376be565a7ed08b593dcb51a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0454163cb506cd962044e8bf74e5f7203757bad3376be565a7ed08b593dcb51a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0454163cb506cd962044e8bf74e5f7203757bad3376be565a7ed08b593dcb51a", kill_on_drop: false }` [INFO] [stdout] 0454163cb506cd962044e8bf74e5f7203757bad3376be565a7ed08b593dcb51a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 351db4299fe11955666f9ae6335b1a60fc27328a31bf3e9fc4fd91d1b994ab59 [INFO] running `Command { std: "docker" "start" "-a" "351db4299fe11955666f9ae6335b1a60fc27328a31bf3e9fc4fd91d1b994ab59", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling libmemtester v1.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/memtester.rs:437:25 [INFO] [stdout] | [INFO] [stdout] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator { [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] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.16s [INFO] running `Command { std: "docker" "inspect" "351db4299fe11955666f9ae6335b1a60fc27328a31bf3e9fc4fd91d1b994ab59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "351db4299fe11955666f9ae6335b1a60fc27328a31bf3e9fc4fd91d1b994ab59", kill_on_drop: false }` [INFO] [stdout] 351db4299fe11955666f9ae6335b1a60fc27328a31bf3e9fc4fd91d1b994ab59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3623847a5b3a284fe3b0d95087114a6d1c954392cf9809cc0b60165a8909e342 [INFO] running `Command { std: "docker" "start" "-a" "3623847a5b3a284fe3b0d95087114a6d1c954392cf9809cc0b60165a8909e342", kill_on_drop: false }` [INFO] [stderr] Compiling libmemtester v1.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/memtester.rs:437:25 [INFO] [stdout] | [INFO] [stdout] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator { [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] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/memtester.rs:437:25 [INFO] [stdout] | [INFO] [stdout] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator { [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] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "3623847a5b3a284fe3b0d95087114a6d1c954392cf9809cc0b60165a8909e342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3623847a5b3a284fe3b0d95087114a6d1c954392cf9809cc0b60165a8909e342", kill_on_drop: false }` [INFO] [stdout] 3623847a5b3a284fe3b0d95087114a6d1c954392cf9809cc0b60165a8909e342 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 99cd3338b5f5cad842c57778998baf1577a8e4cb72775fb3a4c1c5c9ad8a9fd7 [INFO] running `Command { std: "docker" "start" "-a" "99cd3338b5f5cad842c57778998baf1577a8e4cb72775fb3a4c1c5c9ad8a9fd7", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/memtester.rs:437:25 [INFO] [stderr] | [INFO] [stderr] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator { [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] 437 | pub fn get_iterator(&mut self) -> MemoryTestIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `libmemtester` (lib) generated 1 warning (run `cargo fix --lib -p libmemtester` to apply 1 suggestion) [INFO] [stderr] warning: `libmemtester` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmemtester-231ac701bcbdab44) [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] Doc-tests libmemtester [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" "99cd3338b5f5cad842c57778998baf1577a8e4cb72775fb3a4c1c5c9ad8a9fd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99cd3338b5f5cad842c57778998baf1577a8e4cb72775fb3a4c1c5c9ad8a9fd7", kill_on_drop: false }` [INFO] [stdout] 99cd3338b5f5cad842c57778998baf1577a8e4cb72775fb3a4c1c5c9ad8a9fd7