[INFO] fetching crate logfmt 0.0.2... [INFO] checking logfmt-0.0.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate logfmt 0.0.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate logfmt 0.0.2 [INFO] finished tweaking crates.io crate logfmt 0.0.2 [INFO] tweaked toml for crates.io crate logfmt 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate logfmt 0.0.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 030cc5b8aadbdf3eafca1eba398bf808708b08b20f682935f525b7420edb99e0 [INFO] running `Command { std: "docker" "start" "-a" "030cc5b8aadbdf3eafca1eba398bf808708b08b20f682935f525b7420edb99e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "030cc5b8aadbdf3eafca1eba398bf808708b08b20f682935f525b7420edb99e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "030cc5b8aadbdf3eafca1eba398bf808708b08b20f682935f525b7420edb99e0", kill_on_drop: false }` [INFO] [stdout] 030cc5b8aadbdf3eafca1eba398bf808708b08b20f682935f525b7420edb99e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1de9a0ac7e54bc2fe46c85ccaac1ab0ca4c31bf81fc5c514b92d3dcbc4e0c99 [INFO] running `Command { std: "docker" "start" "-a" "c1de9a0ac7e54bc2fe46c85ccaac1ab0ca4c31bf81fc5c514b92d3dcbc4e0c99", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking logfmt v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> benches/lib.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | #[bench] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> benches/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> benches/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use test::Bencher; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> benches/lib.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | fn parse(b: &mut Bencher) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `test` [INFO] [stdout] --> benches/lib.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | b.iter(|| { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `logfmt` (bench "lib") due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "c1de9a0ac7e54bc2fe46c85ccaac1ab0ca4c31bf81fc5c514b92d3dcbc4e0c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1de9a0ac7e54bc2fe46c85ccaac1ab0ca4c31bf81fc5c514b92d3dcbc4e0c99", kill_on_drop: false }` [INFO] [stdout] c1de9a0ac7e54bc2fe46c85ccaac1ab0ca4c31bf81fc5c514b92d3dcbc4e0c99