[INFO] cloning repository https://github.com/sammyfilly/Letting-kstring [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammyfilly/Letting-kstring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5997d7a8b0c51fa5d99a4e38d1ac401bc81fc1e5 [INFO] checking sammyfilly/Letting-kstring against nightly-2024-02-05 for check-cfg-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sammyfilly/Letting-kstring on toolchain nightly-2024-02-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] finished tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] tweaked toml for git repo https://github.com/sammyfilly/Letting-kstring written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sammyfilly/Letting-kstring already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.2.12 [INFO] [stderr] Downloaded document-features v0.2.6 [INFO] [stderr] Downloaded ciborium-io v0.2.0 [INFO] [stderr] Downloaded serde_derive v1.0.145 [INFO] [stderr] Downloaded ciborium v0.2.0 [INFO] [stderr] Downloaded ciborium-ll v0.2.0 [INFO] [stderr] Downloaded clap v4.3.0 [INFO] [stderr] Downloaded clap_builder v4.3.0 [INFO] [stderr] Downloaded serde_json v1.0.79 [INFO] [stderr] Downloaded proptest v1.2.0 [INFO] [stderr] Downloaded serde v1.0.145 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90a39586686f2618d4aa56a988d9363c0cc3caf9eda9a4862e8c9e5bdaa3ee2e [INFO] running `Command { std: "docker" "start" "-a" "90a39586686f2618d4aa56a988d9363c0cc3caf9eda9a4862e8c9e5bdaa3ee2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90a39586686f2618d4aa56a988d9363c0cc3caf9eda9a4862e8c9e5bdaa3ee2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90a39586686f2618d4aa56a988d9363c0cc3caf9eda9a4862e8c9e5bdaa3ee2e", kill_on_drop: false }` [INFO] [stdout] 90a39586686f2618d4aa56a988d9363c0cc3caf9eda9a4862e8c9e5bdaa3ee2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc171880ef345d77bc4b7c62a113e3fdd7e4fdb8c6a3ea04e3d91c8b280eb24f [INFO] running `Command { std: "docker" "start" "-a" "dc171880ef345d77bc4b7c62a113e3fdd7e4fdb8c6a3ea04e3d91c8b280eb24f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde_derive v1.0.145 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking clap_builder v4.3.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking once_cell v1.17.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking kstring v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking clap v4.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking proptest v1.2.0 [INFO] [stderr] Checking ciborium v0.2.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.91s [INFO] running `Command { std: "docker" "inspect" "dc171880ef345d77bc4b7c62a113e3fdd7e4fdb8c6a3ea04e3d91c8b280eb24f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc171880ef345d77bc4b7c62a113e3fdd7e4fdb8c6a3ea04e3d91c8b280eb24f", kill_on_drop: false }` [INFO] [stdout] dc171880ef345d77bc4b7c62a113e3fdd7e4fdb8c6a3ea04e3d91c8b280eb24f [INFO] checking sammyfilly/Letting-kstring against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyfilly%2FLetting-kstring" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sammyfilly/Letting-kstring on toolchain nightly-2024-02-05 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] finished tweaking git repo https://github.com/sammyfilly/Letting-kstring [INFO] tweaked toml for git repo https://github.com/sammyfilly/Letting-kstring written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sammyfilly/Letting-kstring already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03ad61e20f5570e6f18a5369ba50201cb28cf675955e232b13685692cb289f61 [INFO] running `Command { std: "docker" "start" "-a" "03ad61e20f5570e6f18a5369ba50201cb28cf675955e232b13685692cb289f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03ad61e20f5570e6f18a5369ba50201cb28cf675955e232b13685692cb289f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03ad61e20f5570e6f18a5369ba50201cb28cf675955e232b13685692cb289f61", kill_on_drop: false }` [INFO] [stdout] 03ad61e20f5570e6f18a5369ba50201cb28cf675955e232b13685692cb289f61 [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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }` [INFO] [stdout] 19dc3f24bd398f8922dced3d9c264b21dcb0650c972a395f5bdbc8460e95cd99 [INFO] running `Command { std: "docker" "start" "-a" "19dc3f24bd398f8922dced3d9c264b21dcb0650c972a395f5bdbc8460e95cd99", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde_derive v1.0.145 [INFO] [stderr] Compiling libm v0.2.7 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking once_cell v1.17.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking clap_builder v4.3.0 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking kstring v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stdout] error: unexpected `cfg` condition value: `safe` [INFO] [stdout] --> src/lib.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | #![cfg_attr(feature = "safe", forbid(unsafe_code))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `arc`, `default`, `document-features`, `max_inline`, `serde`, `std`, `unsafe`, `unstable_bench_subset` [INFO] [stdout] = help: consider adding `safe` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: requested on the command line with `-D unexpected-cfgs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected `cfg` condition name: `docsrs` [INFO] [stdout] --> src/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | #![cfg_attr(docsrs, feature(doc_auto_cfg))] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows` [INFO] [stdout] = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kstring` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "19dc3f24bd398f8922dced3d9c264b21dcb0650c972a395f5bdbc8460e95cd99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19dc3f24bd398f8922dced3d9c264b21dcb0650c972a395f5bdbc8460e95cd99", kill_on_drop: false }` [INFO] [stdout] 19dc3f24bd398f8922dced3d9c264b21dcb0650c972a395f5bdbc8460e95cd99