[INFO] fetching crate simplers_optimization 0.4.3...
[INFO] documenting simplers_optimization-0.4.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate simplers_optimization 0.4.3 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.3 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 crates.io crate simplers_optimization 0.4.3
[INFO] finished tweaking crates.io crate simplers_optimization 0.4.3
[INFO] tweaked toml for crates.io crate simplers_optimization 0.4.3 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate simplers_optimization 0.4.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] a8062dc51ac32aa26d1c0b68071504f751fe29a572883ba262a8b1e1ed6d132c
[INFO] running `Command { std: "docker" "start" "-a" "a8062dc51ac32aa26d1c0b68071504f751fe29a572883ba262a8b1e1ed6d132c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8062dc51ac32aa26d1c0b68071504f751fe29a572883ba262a8b1e1ed6d132c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8062dc51ac32aa26d1c0b68071504f751fe29a572883ba262a8b1e1ed6d132c", kill_on_drop: false }`
[INFO] [stdout] a8062dc51ac32aa26d1c0b68071504f751fe29a572883ba262a8b1e1ed6d132c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 1201390c213b43f122d0b6c6b214d1414d9c7b34f4596307c3053c05dedd2a39
[INFO] running `Command { std: "docker" "start" "-a" "1201390c213b43f122d0b6c6b214d1414d9c7b34f4596307c3053c05dedd2a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling priority-queue v1.2.0
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]  Documenting simplers_optimization v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/search_space.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |    /// for the formula used, see: https://math.stackexchange.com/a/385071/495073
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://math.stackexchange.com/a/385071/495073>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/search_space.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |    /// formula deduced from: https://math.stackexchange.com/a/385071/495073
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://math.stackexchange.com/a/385071/495073>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "1201390c213b43f122d0b6c6b214d1414d9c7b34f4596307c3053c05dedd2a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1201390c213b43f122d0b6c6b214d1414d9c7b34f4596307c3053c05dedd2a39", kill_on_drop: false }`
[INFO] [stdout] 1201390c213b43f122d0b6c6b214d1414d9c7b34f4596307c3053c05dedd2a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5fbdab13750d3aba9ad915404b4c66dae26ad9cdb85b089efb455b15bd1b629a
[INFO] running `Command { std: "docker" "start" "-a" "5fbdab13750d3aba9ad915404b4c66dae26ad9cdb85b089efb455b15bd1b629a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling priority-queue v1.2.0
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]  Documenting simplers_optimization v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/search_space.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |    /// for the formula used, see: https://math.stackexchange.com/a/385071/495073
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://math.stackexchange.com/a/385071/495073>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/search_space.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |    /// formula deduced from: https://math.stackexchange.com/a/385071/495073
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://math.stackexchange.com/a/385071/495073>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `Command { std: "docker" "inspect" "5fbdab13750d3aba9ad915404b4c66dae26ad9cdb85b089efb455b15bd1b629a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbdab13750d3aba9ad915404b4c66dae26ad9cdb85b089efb455b15bd1b629a", kill_on_drop: false }`
[INFO] [stdout] 5fbdab13750d3aba9ad915404b4c66dae26ad9cdb85b089efb455b15bd1b629a