[INFO] fetching crate er 0.2.1... [INFO] testing er-0.2.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate er 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate er 0.2.1 [INFO] finished tweaking crates.io crate er 0.2.1 [INFO] tweaked toml for crates.io crate er 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate er 0.2.1 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] [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 37585aab637685f2e9c011fae247848ad05874096de8af21da352867da22da42 [INFO] running `Command { std: "docker" "start" "-a" "37585aab637685f2e9c011fae247848ad05874096de8af21da352867da22da42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37585aab637685f2e9c011fae247848ad05874096de8af21da352867da22da42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37585aab637685f2e9c011fae247848ad05874096de8af21da352867da22da42", kill_on_drop: false }` [INFO] [stdout] 37585aab637685f2e9c011fae247848ad05874096de8af21da352867da22da42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8e62f74e2cf578cea5ab540e9087b537580c966f8a1ab6930b3ede639c3aee18 [INFO] running `Command { std: "docker" "start" "-a" "8e62f74e2cf578cea5ab540e9087b537580c966f8a1ab6930b3ede639c3aee18", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling er v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg(not(feature = "std"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "8e62f74e2cf578cea5ab540e9087b537580c966f8a1ab6930b3ede639c3aee18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e62f74e2cf578cea5ab540e9087b537580c966f8a1ab6930b3ede639c3aee18", kill_on_drop: false }` [INFO] [stdout] 8e62f74e2cf578cea5ab540e9087b537580c966f8a1ab6930b3ede639c3aee18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 07542f72e32c37412e7c97e5a3f52b94d33fe0c3b3495e07c18d5ab73ad95164 [INFO] running `Command { std: "docker" "start" "-a" "07542f72e32c37412e7c97e5a3f52b94d33fe0c3b3495e07c18d5ab73ad95164", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg(not(feature = "std"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling er v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | #[cfg(not(feature = "std"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "07542f72e32c37412e7c97e5a3f52b94d33fe0c3b3495e07c18d5ab73ad95164", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07542f72e32c37412e7c97e5a3f52b94d33fe0c3b3495e07c18d5ab73ad95164", kill_on_drop: false }` [INFO] [stdout] 07542f72e32c37412e7c97e5a3f52b94d33fe0c3b3495e07c18d5ab73ad95164 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 51dbfb45419678c5b270eadb41ff935e82d110cadc854cd0b762342b4f05b9a6 [INFO] running `Command { std: "docker" "start" "-a" "51dbfb45419678c5b270eadb41ff935e82d110cadc854cd0b762342b4f05b9a6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: unexpected `cfg` condition value: `std` [INFO] [stderr] --> src/lib.rs:3:7 [INFO] [stderr] | [INFO] [stderr] 3 | #[cfg(feature = "std")] [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `std` [INFO] [stderr] --> src/lib.rs:8:7 [INFO] [stderr] | [INFO] [stderr] 8 | #[cfg(feature = "std")] [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `std` [INFO] [stderr] --> src/lib.rs:11:11 [INFO] [stderr] | [INFO] [stderr] 11 | #[cfg(not(feature = "std"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stderr] | [INFO] [stderr] = note: no expected values for `feature` [INFO] [stderr] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: `er` (lib) generated 3 warnings [INFO] [stderr] warning: `er` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error-c474be0c5688df14) [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] [stderr] Doc-tests error [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - Error::source (line 30) ... ok [INFO] [stdout] test src/lib.rs - Error::description (line 80) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "51dbfb45419678c5b270eadb41ff935e82d110cadc854cd0b762342b4f05b9a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51dbfb45419678c5b270eadb41ff935e82d110cadc854cd0b762342b4f05b9a6", kill_on_drop: false }` [INFO] [stdout] 51dbfb45419678c5b270eadb41ff935e82d110cadc854cd0b762342b4f05b9a6