[INFO] fetching crate qp 0.2.1... [INFO] testing qp-0.2.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate qp 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate qp 0.2.1 [INFO] finished tweaking crates.io crate qp 0.2.1 [INFO] tweaked toml for crates.io crate qp 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate qp 0.2.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate qp 0.2.1 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9740ae667421d317a964047644e6d17ef08a2bf5e516e7932ddfafa905ca09b [INFO] running `Command { std: "docker" "start" "-a" "a9740ae667421d317a964047644e6d17ef08a2bf5e516e7932ddfafa905ca09b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9740ae667421d317a964047644e6d17ef08a2bf5e516e7932ddfafa905ca09b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9740ae667421d317a964047644e6d17ef08a2bf5e516e7932ddfafa905ca09b", kill_on_drop: false }` [INFO] [stdout] a9740ae667421d317a964047644e6d17ef08a2bf5e516e7932ddfafa905ca09b [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=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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a957aba38345166cda8dbcb7c4c564d91be16df20e06a04f8283f11ecf153d47 [INFO] running `Command { std: "docker" "start" "-a" "a957aba38345166cda8dbcb7c4c564d91be16df20e06a04f8283f11ecf153d47", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling qp v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sync.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option { [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] 89 | pub fn try_acquire(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.54s [INFO] running `Command { std: "docker" "inspect" "a957aba38345166cda8dbcb7c4c564d91be16df20e06a04f8283f11ecf153d47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a957aba38345166cda8dbcb7c4c564d91be16df20e06a04f8283f11ecf153d47", kill_on_drop: false }` [INFO] [stdout] a957aba38345166cda8dbcb7c4c564d91be16df20e06a04f8283f11ecf153d47 [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=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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59c3a63c7c663fd2c709a6be49ad98cbd9d48cb3a5077cbda7b215e0ff14b2cb [INFO] running `Command { std: "docker" "start" "-a" "59c3a63c7c663fd2c709a6be49ad98cbd9d48cb3a5077cbda7b215e0ff14b2cb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sync.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option { [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] 89 | pub fn try_acquire(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling tokio v1.19.2 [INFO] [stderr] Compiling qp v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sync.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option { [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] 89 | pub fn try_acquire(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> examples/readme.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | drop(raw_int); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 60 - drop(raw_int); [INFO] [stdout] 60 + let _ = raw_int; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.80s [INFO] running `Command { std: "docker" "inspect" "59c3a63c7c663fd2c709a6be49ad98cbd9d48cb3a5077cbda7b215e0ff14b2cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59c3a63c7c663fd2c709a6be49ad98cbd9d48cb3a5077cbda7b215e0ff14b2cb", kill_on_drop: false }` [INFO] [stdout] 59c3a63c7c663fd2c709a6be49ad98cbd9d48cb3a5077cbda7b215e0ff14b2cb [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=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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c6332e83065515b2b639ddb8e3c5f88665627084beabd4def8c1896f999c22b0 [INFO] running `Command { std: "docker" "start" "-a" "c6332e83065515b2b639ddb8e3c5f88665627084beabd4def8c1896f999c22b0", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/sync.rs:89:24 [INFO] [stderr] | [INFO] [stderr] 89 | pub fn try_acquire(&self) -> Option { [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] 89 | pub fn try_acquire(&self) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `qp` (lib) generated 1 warning (run `cargo fix --lib -p qp` to apply 1 suggestion) [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> examples/readme.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | drop(raw_int); [INFO] [stderr] | ^^^^^-------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `i32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 60 - drop(raw_int); [INFO] [stderr] 60 + let _ = raw_int; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `qp` (example "readme") generated 1 warning [INFO] [stderr] warning: `qp` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qp-e4c8becf7d258d8e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test pool::tests::test_abort_acquire ... ok [INFO] [stdout] test sync::tests::test_abort_acquire ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/counter.rs (/opt/rustwide/target/debug/deps/counter-8f2a2dd0c16a3a44) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test main ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests qp [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/sync.rs - sync::Semaphore::try_acquire (line 76) ... ok [INFO] [stdout] test src/sync.rs - sync::Semaphore::available_permits (line 56) ... ok [INFO] [stdout] test src/sync.rs - sync::Semaphore::new (line 20) ... ok [INFO] [stdout] test src/sync.rs - sync::Semaphore::acquire (line 36) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c6332e83065515b2b639ddb8e3c5f88665627084beabd4def8c1896f999c22b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6332e83065515b2b639ddb8e3c5f88665627084beabd4def8c1896f999c22b0", kill_on_drop: false }` [INFO] [stdout] c6332e83065515b2b639ddb8e3c5f88665627084beabd4def8c1896f999c22b0