[INFO] cloning repository https://github.com/Adrianbakke/busy_beaver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adrianbakke/busy_beaver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianbakke%2Fbusy_beaver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianbakke%2Fbusy_beaver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc8854b1a80ff928fcf81f39966c74f8eb868fd6
[INFO] documenting Adrianbakke/busy_beaver against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianbakke%2Fbusy_beaver" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Adrianbakke/busy_beaver on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Adrianbakke/busy_beaver
[INFO] finished tweaking git repo https://github.com/Adrianbakke/busy_beaver
[INFO] tweaked toml for git repo https://github.com/Adrianbakke/busy_beaver written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Adrianbakke/busy_beaver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 696684fb6c52e1c5e8cc56ce837805326be8f04286f7abcb863a2efdb80ced3a
[INFO] running `Command { std: "docker" "start" "-a" "696684fb6c52e1c5e8cc56ce837805326be8f04286f7abcb863a2efdb80ced3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "696684fb6c52e1c5e8cc56ce837805326be8f04286f7abcb863a2efdb80ced3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696684fb6c52e1c5e8cc56ce837805326be8f04286f7abcb863a2efdb80ced3a", kill_on_drop: false }`
[INFO] [stdout] 696684fb6c52e1c5e8cc56ce837805326be8f04286f7abcb863a2efdb80ced3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9471d7185360d1d8604dd6b48c3410d0ece4dffcbffd2dff6fe3f425073d243d
[INFO] running `Command { std: "docker" "start" "-a" "9471d7185360d1d8604dd6b48c3410d0ece4dffcbffd2dff6fe3f425073d243d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]  Documenting busy_beaver_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `1,2`
[INFO] [stdout]    --> src/main.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 299 | /// input -> vec [1,2], max_depth -> 2
[INFO] [stdout]     |                   ^^^ no item named `1,2` 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 `1,1`
[INFO] [stdout]    --> src/main.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 300 | /// gives res -> [1,1], [1,2], [2,1]. [2,2] 
[INFO] [stdout]     |                   ^^^ no item named `1,1` 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`
[INFO] [stdout]    --> src/main.rs:300:26
[INFO] [stdout]     |
[INFO] [stdout] 300 | /// gives res -> [1,1], [1,2], [2,1]. [2,2] 
[INFO] [stdout]     |                          ^^^ no item named `1,2` 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 `2,1`
[INFO] [stdout]    --> src/main.rs:300:33
[INFO] [stdout]     |
[INFO] [stdout] 300 | /// gives res -> [1,1], [1,2], [2,1]. [2,2] 
[INFO] [stdout]     |                                 ^^^ no item named `2,1` 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/main.rs:300:40
[INFO] [stdout]     |
[INFO] [stdout] 300 | /// gives res -> [1,1], [1,2], [2,1]. [2,2] 
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "9471d7185360d1d8604dd6b48c3410d0ece4dffcbffd2dff6fe3f425073d243d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9471d7185360d1d8604dd6b48c3410d0ece4dffcbffd2dff6fe3f425073d243d", kill_on_drop: false }`
[INFO] [stdout] 9471d7185360d1d8604dd6b48c3410d0ece4dffcbffd2dff6fe3f425073d243d