[INFO] fetching crate promformat 0.4.1... [INFO] testing promformat-0.4.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate promformat 0.4.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate promformat 0.4.1 [INFO] finished tweaking crates.io crate promformat 0.4.1 [INFO] tweaked toml for crates.io crate promformat 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate promformat 0.4.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 682e25a3f24aaf9d1a76c7454b32ed2c75440450cb29184a5d1f86839b3cb688 [INFO] running `Command { std: "docker" "start" "-a" "682e25a3f24aaf9d1a76c7454b32ed2c75440450cb29184a5d1f86839b3cb688", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "682e25a3f24aaf9d1a76c7454b32ed2c75440450cb29184a5d1f86839b3cb688", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "682e25a3f24aaf9d1a76c7454b32ed2c75440450cb29184a5d1f86839b3cb688", kill_on_drop: false }` [INFO] [stdout] 682e25a3f24aaf9d1a76c7454b32ed2c75440450cb29184a5d1f86839b3cb688 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54d2ae000624d3a097ffbc01e8116b74f2a7d1ef53b03686f6aff443510cb2c0 [INFO] running `Command { std: "docker" "start" "-a" "54d2ae000624d3a097ffbc01e8116b74f2a7d1ef53b03686f6aff443510cb2c0", kill_on_drop: false }` [INFO] [stderr] Compiling promformat v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here the same lifetime is hidden 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] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "54d2ae000624d3a097ffbc01e8116b74f2a7d1ef53b03686f6aff443510cb2c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54d2ae000624d3a097ffbc01e8116b74f2a7d1ef53b03686f6aff443510cb2c0", kill_on_drop: false }` [INFO] [stdout] 54d2ae000624d3a097ffbc01e8116b74f2a7d1ef53b03686f6aff443510cb2c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2af0288e26ae8c0ce3ba5e837ff0bcaba25c4de4529668abe7e8ada1748c3119 [INFO] running `Command { std: "docker" "start" "-a" "2af0288e26ae8c0ce3ba5e837ff0bcaba25c4de4529668abe7e8ada1748c3119", kill_on_drop: false }` [INFO] [stderr] Compiling promformat v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here the same lifetime is hidden 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] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here the same lifetime is hidden 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] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "2af0288e26ae8c0ce3ba5e837ff0bcaba25c4de4529668abe7e8ada1748c3119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2af0288e26ae8c0ce3ba5e837ff0bcaba25c4de4529668abe7e8ada1748c3119", kill_on_drop: false }` [INFO] [stdout] 2af0288e26ae8c0ce3ba5e837ff0bcaba25c4de4529668abe7e8ada1748c3119 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] df92379fcad54efbd4b0c177d117d0e7752b4a85be77ca79bcefa67ce69b4823 [INFO] running `Command { std: "docker" "start" "-a" "df92379fcad54efbd4b0c177d117d0e7752b4a85be77ca79bcefa67ce69b4823", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:54:18 [INFO] [stdout] running 2 tests [INFO] [stderr] | [INFO] [stdout] test tests::test_gauge_no_labels ... ok [INFO] [stderr] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | the same lifetime is hidden here [INFO] [stderr] | the lifetime is elided here the same lifetime is hidden 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] 54 | pub fn label(&mut self, label: impl AsRef, value: impl AsRef) -> SingleMetric<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `promformat` (lib) generated 1 warning (run `cargo fix --lib -p promformat` to apply 1 suggestion) [INFO] [stderr] warning: `promformat` (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/promformat-a51a7d8f2023a076) [INFO] [stderr] Doc-tests promformat [INFO] [stdout] test tests::test_gauge ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - test_readme (line 162) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "df92379fcad54efbd4b0c177d117d0e7752b4a85be77ca79bcefa67ce69b4823", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df92379fcad54efbd4b0c177d117d0e7752b4a85be77ca79bcefa67ce69b4823", kill_on_drop: false }` [INFO] [stdout] df92379fcad54efbd4b0c177d117d0e7752b4a85be77ca79bcefa67ce69b4823