[INFO] fetching crate semaphorus 0.2.1... [INFO] testing semaphorus-0.2.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate semaphorus 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate semaphorus 0.2.1 [INFO] finished tweaking crates.io crate semaphorus 0.2.1 [INFO] tweaked toml for crates.io crate semaphorus 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate semaphorus 0.2.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38191ad3fb70669980409487bb46d204ccd6ca3a19f81412828a6827ce156896 [INFO] running `Command { std: "docker" "start" "-a" "38191ad3fb70669980409487bb46d204ccd6ca3a19f81412828a6827ce156896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38191ad3fb70669980409487bb46d204ccd6ca3a19f81412828a6827ce156896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38191ad3fb70669980409487bb46d204ccd6ca3a19f81412828a6827ce156896", kill_on_drop: false }` [INFO] [stdout] 38191ad3fb70669980409487bb46d204ccd6ca3a19f81412828a6827ce156896 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25cbef3a7746ec61b7ab56c5910263a27de27fdd624a66c38c2a95f1db3ce7b0 [INFO] running `Command { std: "docker" "start" "-a" "25cbef3a7746ec61b7ab56c5910263a27de27fdd624a66c38c2a95f1db3ce7b0", kill_on_drop: false }` [INFO] [stderr] Compiling semaphorus v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AtomicUsize` [INFO] [stdout] --> src/wrapper.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | sync::atomic::{AtomicUsize, Ordering}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:73:20 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn try_get(&self) -> Result { [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] 73 | pub fn try_get(&self) -> Result, crate::SemaphoreError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/wrapper.rs:33:16 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn get(&self) -> SemaphoreGuard { [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] 33 | pub fn get(&self) -> SemaphoreGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/wrapper.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [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] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "25cbef3a7746ec61b7ab56c5910263a27de27fdd624a66c38c2a95f1db3ce7b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25cbef3a7746ec61b7ab56c5910263a27de27fdd624a66c38c2a95f1db3ce7b0", kill_on_drop: false }` [INFO] [stdout] 25cbef3a7746ec61b7ab56c5910263a27de27fdd624a66c38c2a95f1db3ce7b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f8b49d1b17a87f3d8ffcc4255e8bbc1d337c9c700f340c292a7013575d5ec18 [INFO] running `Command { std: "docker" "start" "-a" "6f8b49d1b17a87f3d8ffcc4255e8bbc1d337c9c700f340c292a7013575d5ec18", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `AtomicUsize` [INFO] [stdout] --> src/wrapper.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | sync::atomic::{AtomicUsize, Ordering}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:73:20 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn try_get(&self) -> Result { [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] 73 | pub fn try_get(&self) -> Result, crate::SemaphoreError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/wrapper.rs:33:16 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn get(&self) -> SemaphoreGuard { [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] 33 | pub fn get(&self) -> SemaphoreGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/wrapper.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [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] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling semaphorus v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AtomicUsize` [INFO] [stdout] --> src/wrapper.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | sync::atomic::{AtomicUsize, Ordering}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:73:20 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn try_get(&self) -> Result { [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] 73 | pub fn try_get(&self) -> Result, crate::SemaphoreError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/wrapper.rs:33:16 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn get(&self) -> SemaphoreGuard { [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] 33 | pub fn get(&self) -> SemaphoreGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/wrapper.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [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] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "6f8b49d1b17a87f3d8ffcc4255e8bbc1d337c9c700f340c292a7013575d5ec18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f8b49d1b17a87f3d8ffcc4255e8bbc1d337c9c700f340c292a7013575d5ec18", kill_on_drop: false }` [INFO] [stdout] 6f8b49d1b17a87f3d8ffcc4255e8bbc1d337c9c700f340c292a7013575d5ec18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f0f2d065565bb8f454fea4e8a4f7eea05095ef39caaefc685f8de98ab6127dcc [INFO] running `Command { std: "docker" "start" "-a" "f0f2d065565bb8f454fea4e8a4f7eea05095ef39caaefc685f8de98ab6127dcc", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `AtomicUsize` [INFO] [stdout] [INFO] [stderr] --> src/wrapper.rs:4:20 [INFO] [stdout] running 1 test [INFO] [stderr] | [INFO] [stdout] test raw::tests::test_maximum_count_works ... ok [INFO] [stderr] 4 | sync::atomic::{AtomicUsize, Ordering}, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/raw.rs:73:20 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn try_get(&self) -> Result { [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] 73 | pub fn try_get(&self) -> Result, crate::SemaphoreError> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/wrapper.rs:33:16 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn get(&self) -> SemaphoreGuard { [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] 33 | pub fn get(&self) -> SemaphoreGuard<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/wrapper.rs:53:20 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [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] 53 | pub fn try_get(&self) -> Result, SemaphoreError> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `semaphorus` (lib) generated 4 warnings (run `cargo fix --lib -p semaphorus` to apply 4 suggestions) [INFO] [stderr] warning: `semaphorus` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/semaphorus-3aa5dd321d7e5265) [INFO] [stderr] Doc-tests semaphorus [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" "f0f2d065565bb8f454fea4e8a4f7eea05095ef39caaefc685f8de98ab6127dcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0f2d065565bb8f454fea4e8a4f7eea05095ef39caaefc685f8de98ab6127dcc", kill_on_drop: false }` [INFO] [stdout] f0f2d065565bb8f454fea4e8a4f7eea05095ef39caaefc685f8de98ab6127dcc