[INFO] fetching crate swimming 0.1.3... [INFO] testing swimming-0.1.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate swimming 0.1.3 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate swimming 0.1.3 [INFO] finished tweaking crates.io crate swimming 0.1.3 [INFO] tweaked toml for crates.io crate swimming 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate swimming 0.1.3 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 53 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ref_count v0.1.2 [INFO] [stderr] Downloaded lock_pool v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 383f97ba1ee3d7a23f64a282985ff20a11445343474b20ac1c7ca47043f8acf6 [INFO] running `Command { std: "docker" "start" "-a" "383f97ba1ee3d7a23f64a282985ff20a11445343474b20ac1c7ca47043f8acf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "383f97ba1ee3d7a23f64a282985ff20a11445343474b20ac1c7ca47043f8acf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "383f97ba1ee3d7a23f64a282985ff20a11445343474b20ac1c7ca47043f8acf6", kill_on_drop: false }` [INFO] [stdout] 383f97ba1ee3d7a23f64a282985ff20a11445343474b20ac1c7ca47043f8acf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7ebaf0f534e4211fc149d528ecbfb719aba2e34475a43f6df196faa518f6812 [INFO] running `Command { std: "docker" "start" "-a" "a7ebaf0f534e4211fc149d528ecbfb719aba2e34475a43f6df196faa518f6812", kill_on_drop: false }` [INFO] [stderr] Compiling ref_count v0.1.2 [INFO] [stderr] Compiling lock_pool v0.2.0 [INFO] [stderr] Compiling swimming v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:496:22 [INFO] [stdout] | [INFO] [stdout] 496 | pub async fn get(&self) -> Result, Conn::Error> { [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] 496 | pub async fn get(&self) -> Result, Conn::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:579:26 [INFO] [stdout] | [INFO] [stdout] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [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] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:669:32 [INFO] [stdout] | [INFO] [stdout] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [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] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "a7ebaf0f534e4211fc149d528ecbfb719aba2e34475a43f6df196faa518f6812", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ebaf0f534e4211fc149d528ecbfb719aba2e34475a43f6df196faa518f6812", kill_on_drop: false }` [INFO] [stdout] a7ebaf0f534e4211fc149d528ecbfb719aba2e34475a43f6df196faa518f6812 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5008ee7cbd4fff633d51c1b16fee960e825b526760c4c1fcbebc49d18e134032 [INFO] running `Command { std: "docker" "start" "-a" "5008ee7cbd4fff633d51c1b16fee960e825b526760c4c1fcbebc49d18e134032", kill_on_drop: false }` [INFO] [stderr] Compiling futures-macro v0.3.32 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:496:22 [INFO] [stdout] | [INFO] [stdout] 496 | pub async fn get(&self) -> Result, Conn::Error> { [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] 496 | pub async fn get(&self) -> Result, Conn::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:579:26 [INFO] [stdout] | [INFO] [stdout] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [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] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:669:32 [INFO] [stdout] | [INFO] [stdout] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [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] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-util v0.3.32 [INFO] [stderr] Compiling futures-executor v0.3.32 [INFO] [stderr] Compiling futures v0.3.32 [INFO] [stderr] Compiling swimming v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:496:22 [INFO] [stdout] | [INFO] [stdout] 496 | pub async fn get(&self) -> Result, Conn::Error> { [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] 496 | pub async fn get(&self) -> Result, Conn::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:579:26 [INFO] [stdout] | [INFO] [stdout] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [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] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:669:32 [INFO] [stdout] | [INFO] [stdout] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [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] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.90s [INFO] running `Command { std: "docker" "inspect" "5008ee7cbd4fff633d51c1b16fee960e825b526760c4c1fcbebc49d18e134032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5008ee7cbd4fff633d51c1b16fee960e825b526760c4c1fcbebc49d18e134032", kill_on_drop: false }` [INFO] [stdout] 5008ee7cbd4fff633d51c1b16fee960e825b526760c4c1fcbebc49d18e134032 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 49e2226e1db615282f3b13d13958a5266e61c439a4f0971634ba0c27fe71e1a4 [INFO] running `Command { std: "docker" "start" "-a" "49e2226e1db615282f3b13d13958a5266e61c439a4f0971634ba0c27fe71e1a4", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:496:22 [INFO] [stderr] | [INFO] [stderr] 496 | pub async fn get(&self) -> Result, Conn::Error> { [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] 496 | pub async fn get(&self) -> Result, Conn::Error> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:579:26 [INFO] [stderr] | [INFO] [stderr] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [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] 579 | pub async fn try_get(&self) -> Option, Conn::Error>> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:669:32 [INFO] [stderr] | [INFO] [stderr] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [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] 669 | pub async fn get_or_create(&self) -> Result, Conn::Error> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `swimming` (lib) generated 3 warnings (run `cargo fix --lib -p swimming` to apply 3 suggestions) [INFO] [stderr] warning: `swimming` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swimming-88b5d9840694ef5f) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::insert ... ok [INFO] [stdout] test tests::get_uninitialized ... ok [INFO] [stdout] test tests::lazy_conn_basic_utils ... ok [INFO] [stdout] test tests::new_eager_failure_alloc ... ok [INFO] [stdout] test tests::new_eager_failure ... ok [INFO] [stdout] test tests::new_eager_success ... ok [INFO] [stderr] Doc-tests swimming [INFO] [stdout] test tests::get_or_create ... ok [INFO] [stdout] test tests::try_get_uninitialized ... ok [INFO] [stdout] test tests::try_get_health_check ... ok [INFO] [stdout] test tests::new_eager_success_alloc ... ok [INFO] [stdout] test tests::get_health_check ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - Connection (line 33) ... ok [INFO] [stdout] test src/lib.rs - Pool::get (line 462) ... ok [INFO] [stdout] test src/lib.rs - (line 28) ... ok [INFO] [stdout] test src/lib.rs - Pool::try_get (line 542) ... ok [INFO] [stdout] test src/lib.rs - Pool::get_or_create (line 634) ... ok [INFO] [stdout] test src/lib.rs - Pool::new (line 259) ... ok [INFO] [stdout] test src/lib.rs - Pool::new_eager (line 331) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "49e2226e1db615282f3b13d13958a5266e61c439a4f0971634ba0c27fe71e1a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49e2226e1db615282f3b13d13958a5266e61c439a4f0971634ba0c27fe71e1a4", kill_on_drop: false }` [INFO] [stdout] 49e2226e1db615282f3b13d13958a5266e61c439a4f0971634ba0c27fe71e1a4