[INFO] fetching crate backtrack 0.3.0...
[INFO] documenting backtrack-0.3.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate backtrack 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate backtrack 0.3.0 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 crates.io crate backtrack 0.3.0
[INFO] finished tweaking crates.io crate backtrack 0.3.0
[INFO] tweaked toml for crates.io crate backtrack 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate backtrack 0.3.0 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] c6974d89e021ff5c7dcfdfadc1b7b1a49172d38d11fa357a3e091c8d114246b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6974d89e021ff5c7dcfdfadc1b7b1a49172d38d11fa357a3e091c8d114246b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6974d89e021ff5c7dcfdfadc1b7b1a49172d38d11fa357a3e091c8d114246b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6974d89e021ff5c7dcfdfadc1b7b1a49172d38d11fa357a3e091c8d114246b8", kill_on_drop: false }`
[INFO] [stdout] c6974d89e021ff5c7dcfdfadc1b7b1a49172d38d11fa357a3e091c8d114246b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ee0c3dd5cab09a4a3f158c9ea28f62e86e4652eae6a2496d1bb5cdce5c115faf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee0c3dd5cab09a4a3f158c9ea28f62e86e4652eae6a2496d1bb5cdce5c115faf", kill_on_drop: false }`
[INFO] [stderr]  Documenting backtrack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `0,2,2,0`
[INFO] [stdout]  --> src/problems/total_sum.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// If e.g. `sum_at_least` is 3 and 4 arbitrary integers are required, [0,2,2,0],
[INFO] [stdout]   |                                                                         ^^^^^^^ no item named `0,2,2,0` 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 `1,1,0,1`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |      ^^^^^^^ no item named `1,1,0,1` 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 `2,0,3,0`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |                    ^^^^^^^ no item named `2,0,3,0` 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 `1,1,1,1`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |                                              ^^^^^^^ no item named `1,1,1,1` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "ee0c3dd5cab09a4a3f158c9ea28f62e86e4652eae6a2496d1bb5cdce5c115faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0c3dd5cab09a4a3f158c9ea28f62e86e4652eae6a2496d1bb5cdce5c115faf", kill_on_drop: false }`
[INFO] [stdout] ee0c3dd5cab09a4a3f158c9ea28f62e86e4652eae6a2496d1bb5cdce5c115faf
