[INFO] cloning repository https://github.com/tuzz/superpermutation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/superpermutation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsuperpermutation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsuperpermutation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 01c6553b5898024fcdff77e0473a37d28b9e9b1d [INFO] documenting tuzz/superpermutation against beta-2026-04-21 for beta-1.96-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsuperpermutation" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tuzz/superpermutation [INFO] finished tweaking git repo https://github.com/tuzz/superpermutation [INFO] tweaked toml for git repo https://github.com/tuzz/superpermutation written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tuzz/superpermutation on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tuzz/superpermutation 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.80 [INFO] [stderr] Downloaded quote v0.6.10 [INFO] [stderr] Downloaded bit-set v0.5.0 [INFO] [stderr] Downloaded bincode v1.0.1 [INFO] [stderr] Downloaded lehmer v2.0.0 [INFO] [stderr] Downloaded byteorder v1.2.7 [INFO] [stderr] Downloaded bit-vec v0.5.0 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded arrayvec v0.4.8 [INFO] [stderr] Downloaded miniz_oxide v0.2.0 [INFO] [stderr] Downloaded miniz-sys v0.1.11 [INFO] [stderr] Downloaded flate2 v1.0.5 [INFO] [stderr] Downloaded serde v1.0.80 [INFO] [stderr] Downloaded rayon-core v1.4.1 [INFO] [stderr] Downloaded miniz_oxide_c_api v0.2.0 [INFO] [stderr] Downloaded rayon v1.0.3 [INFO] [stderr] Downloaded syn v0.15.21 [INFO] [stderr] Downloaded build_const v0.2.1 [INFO] [stderr] Downloaded either v1.5.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.3.1 [INFO] [stderr] Downloaded lazy_static v1.2.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.24 [INFO] [stderr] Downloaded bucket_queue 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"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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef8368b74e61bd76d5b3e5e00de83bb00aafa17944b27badd733c5eda64609fa [INFO] running `Command { std: "docker" "start" "-a" "ef8368b74e61bd76d5b3e5e00de83bb00aafa17944b27badd733c5eda64609fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef8368b74e61bd76d5b3e5e00de83bb00aafa17944b27badd733c5eda64609fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef8368b74e61bd76d5b3e5e00de83bb00aafa17944b27badd733c5eda64609fa", kill_on_drop: false }` [INFO] [stdout] 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"+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd8a3be3f00811b4f4e4b53f20a7c474f004b3c1fb393183135cea07a23d99f5 [INFO] running `Command { std: "docker" "start" "-a" "fd8a3be3f00811b4f4e4b53f20a7c474f004b3c1fb393183135cea07a23d99f5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling flate2-crc v0.1.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking bit-set v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking lehmer v2.0.0 [INFO] [stderr] Checking bucket_queue v2.0.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.21 [INFO] [stderr] Checking flate2 v1.0.5 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Checking serde_bytes v0.10.4 [INFO] [stderr] Documenting leaps-and-bounds v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/candidate/mod.rs:7:28 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/candidate/mod.rs:7:39 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.74s [INFO] [stderr] Generated /opt/rustwide/target/doc/leaps_and_bounds/index.html [INFO] running `Command { std: "docker" "inspect" "fd8a3be3f00811b4f4e4b53f20a7c474f004b3c1fb393183135cea07a23d99f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd8a3be3f00811b4f4e4b53f20a7c474f004b3c1fb393183135cea07a23d99f5", kill_on_drop: false }` [INFO] [stdout] fd8a3be3f00811b4f4e4b53f20a7c474f004b3c1fb393183135cea07a23d99f5