[INFO] cloning repository https://github.com/duvholt/rust-metaheuristic-framework [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duvholt/rust-metaheuristic-framework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvholt%2Frust-metaheuristic-framework", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvholt%2Frust-metaheuristic-framework'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11c125e2a2840aed9b61b2f40b7bc406ec9970f2 [INFO] documenting duvholt/rust-metaheuristic-framework against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvholt%2Frust-metaheuristic-framework" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/duvholt/rust-metaheuristic-framework on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/duvholt/rust-metaheuristic-framework [INFO] finished tweaking git repo https://github.com/duvholt/rust-metaheuristic-framework [INFO] tweaked toml for git repo https://github.com/duvholt/rust-metaheuristic-framework written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/duvholt/rust-metaheuristic-framework already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3b9af78af5139fedfdf818845e28c0e45a6f69deec79eba0dab24a3270cbf2e [INFO] running `Command { std: "docker" "start" "-a" "a3b9af78af5139fedfdf818845e28c0e45a6f69deec79eba0dab24a3270cbf2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3b9af78af5139fedfdf818845e28c0e45a6f69deec79eba0dab24a3270cbf2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3b9af78af5139fedfdf818845e28c0e45a6f69deec79eba0dab24a3270cbf2e", kill_on_drop: false }` [INFO] [stdout] a3b9af78af5139fedfdf818845e28c0e45a6f69deec79eba0dab24a3270cbf2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 728a60a5d3b8c63610f1245f3b5466b160bd46f73667718e72a7e63e5e71aba8 [INFO] running `Command { std: "docker" "start" "-a" "728a60a5d3b8c63610f1245f3b5466b160bd46f73667718e72a7e63e5e71aba8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking serde v1.0.38 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking assert_approx_eq v1.0.0 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking serde_json v1.0.14 [INFO] [stderr] Checking statistical v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.38 [INFO] [stderr] Documenting rustoa v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/distribution.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | (u / v.abs().powf(1.0 / beta)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 32 - (u / v.abs().powf(1.0 / beta)) [INFO] [stdout] 32 + u / v.abs().powf(1.0 / beta) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/multiobjective/rank.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | dominates: HashSet<(usize)>, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - dominates: HashSet<(usize)>, [INFO] [stdout] 10 + dominates: HashSet, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `rustoa` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name rustoa src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cf852a8d09c24f13 -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-251d0d40db5e5399.rmeta --extern assert_approx_eq=/opt/rustwide/target/debug/deps/libassert_approx_eq-a4716088c6d0ef98.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-2299a84ee9b2ec66.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3451aa428ed29eef.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-2e30d5d5fcc9361b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-488af9caaf45aa5b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-49b0a332cadea28c.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-6422dc12fe8c82c6.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-762c0fb2c77766c5.rmeta --extern statistical=/opt/rustwide/target/debug/deps/libstatistical-36ef734da77059e2.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "728a60a5d3b8c63610f1245f3b5466b160bd46f73667718e72a7e63e5e71aba8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "728a60a5d3b8c63610f1245f3b5466b160bd46f73667718e72a7e63e5e71aba8", kill_on_drop: false }` [INFO] [stdout] 728a60a5d3b8c63610f1245f3b5466b160bd46f73667718e72a7e63e5e71aba8