[INFO] fetching crate tokio-eventfd 0.2.2... [INFO] testing tokio-eventfd-0.2.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate tokio-eventfd 0.2.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate tokio-eventfd 0.2.2 [INFO] finished tweaking crates.io crate tokio-eventfd 0.2.2 [INFO] tweaked toml for crates.io crate tokio-eventfd 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tokio-eventfd 0.2.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 40 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f7bd2276667510ecba64a5f522bff4fdcebf32ba4615705093f0e56cc84e01d [INFO] running `Command { std: "docker" "start" "-a" "8f7bd2276667510ecba64a5f522bff4fdcebf32ba4615705093f0e56cc84e01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f7bd2276667510ecba64a5f522bff4fdcebf32ba4615705093f0e56cc84e01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f7bd2276667510ecba64a5f522bff4fdcebf32ba4615705093f0e56cc84e01d", kill_on_drop: false }` [INFO] [stdout] 8f7bd2276667510ecba64a5f522bff4fdcebf32ba4615705093f0e56cc84e01d [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ced68e8b613d19c856c014c9c239def1cc9688380e739f012c22605a100c46c6 [INFO] running `Command { std: "docker" "start" "-a" "ced68e8b613d19c856c014c9c239def1cc9688380e739f012c22605a100c46c6", kill_on_drop: false }` [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling tokio-eventfd v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:113:14 [INFO] [stdout] | [INFO] [stdout] 113 | fn as_fd(&self) -> BorrowedFd { [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] 113 | fn as_fd(&self) -> BorrowedFd<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.51s [INFO] running `Command { std: "docker" "inspect" "ced68e8b613d19c856c014c9c239def1cc9688380e739f012c22605a100c46c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ced68e8b613d19c856c014c9c239def1cc9688380e739f012c22605a100c46c6", kill_on_drop: false }` [INFO] [stdout] ced68e8b613d19c856c014c9c239def1cc9688380e739f012c22605a100c46c6 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88b808ae21cd7b86d432ddd7b9c123bc01dd3406b212c80189cd97316b6f5b9a [INFO] running `Command { std: "docker" "start" "-a" "88b808ae21cd7b86d432ddd7b9c123bc01dd3406b212c80189cd97316b6f5b9a", kill_on_drop: false }` [INFO] [stderr] Compiling tokio-eventfd v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:113:14 [INFO] [stdout] | [INFO] [stdout] 113 | fn as_fd(&self) -> BorrowedFd { [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] 113 | fn as_fd(&self) -> BorrowedFd<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:113:14 [INFO] [stdout] | [INFO] [stdout] 113 | fn as_fd(&self) -> BorrowedFd { [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] 113 | fn as_fd(&self) -> BorrowedFd<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "88b808ae21cd7b86d432ddd7b9c123bc01dd3406b212c80189cd97316b6f5b9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88b808ae21cd7b86d432ddd7b9c123bc01dd3406b212c80189cd97316b6f5b9a", kill_on_drop: false }` [INFO] [stdout] 88b808ae21cd7b86d432ddd7b9c123bc01dd3406b212c80189cd97316b6f5b9a [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7a44a3f92c2e98d85ed14b23226c4bf6d8f8cb05620757f1be954131faaf0cbf [INFO] running `Command { std: "docker" "start" "-a" "7a44a3f92c2e98d85ed14b23226c4bf6d8f8cb05620757f1be954131faaf0cbf", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:113:14 [INFO] [stderr] | [INFO] [stderr] 113 | fn as_fd(&self) -> BorrowedFd { [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] 113 | fn as_fd(&self) -> BorrowedFd<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `tokio-eventfd` (lib) generated 1 warning (run `cargo fix --lib -p tokio-eventfd` to apply 1 suggestion) [INFO] [stderr] warning: `tokio-eventfd` (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/tokio_eventfd-cc68f9eb5c72343d) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::read_twice ... ok [INFO] [stdout] test tests::semaphore_reads_ones ... ok [INFO] [stderr] Doc-tests tokio_eventfd [INFO] [stdout] test tests::not_semaphore_reads_and_resets ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s [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" "7a44a3f92c2e98d85ed14b23226c4bf6d8f8cb05620757f1be954131faaf0cbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a44a3f92c2e98d85ed14b23226c4bf6d8f8cb05620757f1be954131faaf0cbf", kill_on_drop: false }` [INFO] [stdout] 7a44a3f92c2e98d85ed14b23226c4bf6d8f8cb05620757f1be954131faaf0cbf