[INFO] fetching crate picoalloc 5.2.0... [INFO] testing picoalloc-5.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate picoalloc 5.2.0 into /workspace/builds/worker-7-tc2/source [INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate picoalloc 5.2.0 [INFO] finished tweaking crates.io crate picoalloc 5.2.0 [INFO] tweaked toml for crates.io crate picoalloc 5.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate picoalloc 5.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate picoalloc 5.2.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6885518c8b90cfb5e2bc44f6ca9f2851ee91d22f8825035c207b31400feca9eb [INFO] running `Command { std: "docker" "start" "-a" "6885518c8b90cfb5e2bc44f6ca9f2851ee91d22f8825035c207b31400feca9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6885518c8b90cfb5e2bc44f6ca9f2851ee91d22f8825035c207b31400feca9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6885518c8b90cfb5e2bc44f6ca9f2851ee91d22f8825035c207b31400feca9eb", kill_on_drop: false }` [INFO] [stdout] 6885518c8b90cfb5e2bc44f6ca9f2851ee91d22f8825035c207b31400feca9eb [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c101fbec86ec90a9af2facf0277f2d537fd26fc69e9b3e9e57844a11183a37a [INFO] running `Command { std: "docker" "start" "-a" "8c101fbec86ec90a9af2facf0277f2d537fd26fc69e9b3e9e57844a11183a37a", kill_on_drop: false }` [INFO] [stderr] Compiling picoalloc v5.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mutex.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn lock(&self) -> MutexGuard { [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] 27 | pub fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8c101fbec86ec90a9af2facf0277f2d537fd26fc69e9b3e9e57844a11183a37a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c101fbec86ec90a9af2facf0277f2d537fd26fc69e9b3e9e57844a11183a37a", kill_on_drop: false }` [INFO] [stdout] 8c101fbec86ec90a9af2facf0277f2d537fd26fc69e9b3e9e57844a11183a37a [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d110d8785bec338079e87ac2e73fa607bf593ea06e57db80245cd71d8953d5b1 [INFO] running `Command { std: "docker" "start" "-a" "d110d8785bec338079e87ac2e73fa607bf593ea06e57db80245cd71d8953d5b1", kill_on_drop: false }` [INFO] [stderr] Compiling picoalloc v5.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mutex.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn lock(&self) -> MutexGuard { [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] 27 | pub fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mutex.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn lock(&self) -> MutexGuard { [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] 27 | pub fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "d110d8785bec338079e87ac2e73fa607bf593ea06e57db80245cd71d8953d5b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d110d8785bec338079e87ac2e73fa607bf593ea06e57db80245cd71d8953d5b1", kill_on_drop: false }` [INFO] [stdout] d110d8785bec338079e87ac2e73fa607bf593ea06e57db80245cd71d8953d5b1 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2475275a7fe4d34b7b9e09777c263b6ffe591e89128b24b9af51428ea6a8126e [INFO] running `Command { std: "docker" "start" "-a" "2475275a7fe4d34b7b9e09777c263b6ffe591e89128b24b9af51428ea6a8126e", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/mutex.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn lock(&self) -> MutexGuard { [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] 27 | pub fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `picoalloc` (lib) generated 1 warning (run `cargo fix --lib -p picoalloc` to apply 1 suggestion) [INFO] [stderr] warning: `picoalloc` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/picoalloc-87ac7d881c5ce221) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_grow ... ok [INFO] [stdout] test test_boundary ... ok [INFO] [stdout] test test_allocator_buffer ... ok [INFO] [stdout] test test_many_small_allocations_buffer ... ok [INFO] [stdout] test test_allocator_system ... ok [INFO] [stdout] test test_shrink ... ok [INFO] [stdout] test test_many_small_allocations_native ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.71s [INFO] [stdout] [INFO] [stderr] Doc-tests picoalloc [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" "2475275a7fe4d34b7b9e09777c263b6ffe591e89128b24b9af51428ea6a8126e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2475275a7fe4d34b7b9e09777c263b6ffe591e89128b24b9af51428ea6a8126e", kill_on_drop: false }` [INFO] [stdout] 2475275a7fe4d34b7b9e09777c263b6ffe591e89128b24b9af51428ea6a8126e