[INFO] cloning repository https://github.com/rsarwas/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsarwas/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fdd003d5cfeb0ae65b8023967da6676a95cf2cd
[INFO] documenting rsarwas/learn-rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust" "/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/rsarwas/learn-rust on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rsarwas/learn-rust
[INFO] finished tweaking git repo https://github.com/rsarwas/learn-rust
[INFO] tweaked toml for git repo https://github.com/rsarwas/learn-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rsarwas/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e06424fc1570b0d7e1de5fcc8cbf3d59aae185fe47cde21acb6ab645ba5be61e
[INFO] running `Command { std: "docker" "start" "-a" "e06424fc1570b0d7e1de5fcc8cbf3d59aae185fe47cde21acb6ab645ba5be61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e06424fc1570b0d7e1de5fcc8cbf3d59aae185fe47cde21acb6ab645ba5be61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06424fc1570b0d7e1de5fcc8cbf3d59aae185fe47cde21acb6ab645ba5be61e", kill_on_drop: false }`
[INFO] [stdout] e06424fc1570b0d7e1de5fcc8cbf3d59aae185fe47cde21acb6ab645ba5be61e
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9455fc2c6ed2a88c9f5e1a51c49e81b9f2a4da5d2d6d69e6b9a08fbc8519a927
[INFO] running `Command { std: "docker" "start" "-a" "9455fc2c6ed2a88c9f5e1a51c49e81b9f2a4da5d2d6d69e6b9a08fbc8519a927", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking primal-sieve v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking primal v0.3.0
[INFO] [stderr]  Documenting learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `a,b,c`
[INFO] [stdout]   --> src/euler/math.rs:76:63
[INFO] [stdout]    |
[INFO] [stdout] 76 | /// of the members of the input vector. i.e. given the input [a,b,c] the
[INFO] [stdout]    |                                                               ^^^^^ no item named `a,b,c` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `c`
[INFO] [stdout]   --> src/euler/math.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 | /// powerset will generate [[], [c], [b], [c, b], [a], [c, a], [b, a], [c, b, a]]
[INFO] [stdout]    |                                  ^ no item named `c` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `b`
[INFO] [stdout]   --> src/euler/math.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 | /// powerset will generate [[], [c], [b], [c, b], [a], [c, a], [b, a], [c, b, a]]
[INFO] [stdout]    |                                       ^ no item named `b` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `a`
[INFO] [stdout]   --> src/euler/math.rs:77:52
[INFO] [stdout]    |
[INFO] [stdout] 77 | /// powerset will generate [[], [c], [b], [c, b], [a], [c, a], [b, a], [c, b, a]]
[INFO] [stdout]    |                                                    ^ no item named `a` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2,2,3,3`
[INFO] [stdout]    --> src/euler/problem357.rs:199:34
[INFO] [stdout]     |
[INFO] [stdout] 199 | /// i.e. 36 => [(2,2),(3,2)] => [2,2,3,3].  A recursive "powerset"
[INFO] [stdout]     |                                  ^^^^^^^ no item named `2,2,3,3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2,2,3,3`
[INFO] [stdout]    --> src/euler/problem357.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |           ^^^^^^^ no item named `2,2,3,3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2`
[INFO] [stdout]    --> src/euler/problem357.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                             ^ no item named `2` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `3`
[INFO] [stdout]    --> src/euler/problem357.rs:218:34
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                                  ^ no item named `3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*2`
[INFO] [stdout]    --> src/euler/problem357.rs:218:39
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                                       ^^^ no item named `2*2` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*3`
[INFO] [stdout]    --> src/euler/problem357.rs:218:46
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                                              ^^^ no item named `2*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `3*3`
[INFO] [stdout]    --> src/euler/problem357.rs:218:53
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                                                     ^^^ no item named `3*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*2*3`
[INFO] [stdout]    --> src/euler/problem357.rs:218:60
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                                                            ^^^^^ no item named `2*2*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*3*3`
[INFO] [stdout]    --> src/euler/problem357.rs:218:69
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                                                                     ^^^^^ no item named `2*3*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*2*3*3`
[INFO] [stdout]    --> src/euler/problem357.rs:218:78
[INFO] [stdout]     |
[INFO] [stdout] 218 | /// i.e. [2,2,3,3] => [[], [2], [3], [2*2], [2*3], [3*3], [2*2*3], [2*3*3], [2*2*3*3]]
[INFO] [stdout]     |                                                                              ^^^^^^^ no item named `2*2*3*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1,2,3,4,6,9,12,18,36`
[INFO] [stdout]    --> src/euler/problem357.rs:219:35
[INFO] [stdout]     |
[INFO] [stdout] 219 | /// to generate all the divisors [1,2,3,4,6,9,12,18,36]
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^ no item named `1,2,3,4,6,9,12,18,36` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2,2,3`
[INFO] [stdout]    --> src/euler/problem357.rs:240:34
[INFO] [stdout]     |
[INFO] [stdout] 240 | /// i.e. 12 => [(2,2),(3,1)] => [2,2,3].  A recursive "powerset"
[INFO] [stdout]     |                                  ^^^^^ no item named `2,2,3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2,2,3`
[INFO] [stdout]    --> src/euler/problem357.rs:259:11
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |           ^^^^^ no item named `2,2,3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2`
[INFO] [stdout]    --> src/euler/problem357.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |                           ^ no item named `2` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2`
[INFO] [stdout]    --> src/euler/problem357.rs:259:32
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |                                ^ no item named `2` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `3`
[INFO] [stdout]    --> src/euler/problem357.rs:259:37
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |                                     ^ no item named `3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*2`
[INFO] [stdout]    --> src/euler/problem357.rs:259:42
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |                                          ^^^ no item named `2*2` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*3`
[INFO] [stdout]    --> src/euler/problem357.rs:259:49
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |                                                 ^^^ no item named `2*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*3`
[INFO] [stdout]    --> src/euler/problem357.rs:259:56
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |                                                        ^^^ no item named `2*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2*2*3`
[INFO] [stdout]    --> src/euler/problem357.rs:259:63
[INFO] [stdout]     |
[INFO] [stdout] 259 | /// i.e. [2,2,3] => [[], [2], [2], [3], [2*2], [2*3], [2*3], [2*2*3]]
[INFO] [stdout]     |                                                               ^^^^^ no item named `2*2*3` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1,2,2,3,4,6,6,12`
[INFO] [stdout]    --> src/euler/problem357.rs:260:40
[INFO] [stdout]     |
[INFO] [stdout] 260 | /// to generate all the divisors, i.e [1,2,2,3,4,6,6,12]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^ no item named `1,2,2,3,4,6,6,12` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/euler/problem107.rs:103:23
[INFO] [stdout]     |
[INFO] [stdout] 103 | /// Prim's algorithm (https://en.wikipedia.org/wiki/Prim%27s_algorithm)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Prim%27s_algorithm>`
[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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "9455fc2c6ed2a88c9f5e1a51c49e81b9f2a4da5d2d6d69e6b9a08fbc8519a927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9455fc2c6ed2a88c9f5e1a51c49e81b9f2a4da5d2d6d69e6b9a08fbc8519a927", kill_on_drop: false }`
[INFO] [stdout] 9455fc2c6ed2a88c9f5e1a51c49e81b9f2a4da5d2d6d69e6b9a08fbc8519a927