[INFO] crate rustyline 6.2.0 is already in cache
[INFO] documenting rustyline-6.2.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate rustyline 6.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rustyline 6.2.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustyline 6.2.0
[INFO] finished tweaking crates.io crate rustyline 6.2.0
[INFO] tweaked toml for crates.io crate rustyline 6.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rustyline 6.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4365f0f12b8e15c46f6a09441075a258053a33dff5de9825e7ced0ffdbb20f50
[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" "4365f0f12b8e15c46f6a09441075a258053a33dff5de9825e7ced0ffdbb20f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4365f0f12b8e15c46f6a09441075a258053a33dff5de9825e7ced0ffdbb20f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4365f0f12b8e15c46f6a09441075a258053a33dff5de9825e7ced0ffdbb20f50", kill_on_drop: false }`
[INFO] [stdout] 4365f0f12b8e15c46f6a09441075a258053a33dff5de9825e7ced0ffdbb20f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d8ed2b93ac15c85cfd6fdfd6b5c51650c35115d3bbad8da1289530a827aa23
[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" "e6d8ed2b93ac15c85cfd6fdfd6b5c51650c35115d3bbad8da1289530a827aa23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]  Documenting rustyline v6.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[stifle_history]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/history.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |     /// Like [stifle_history](http://cnswww.cns.cwru.
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[refresh_line]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/keymap.rs:342:18
[INFO] [stdout]     |
[INFO] [stdout] 342 |     /// Same as [`refresh_line`] with a specific message instead of hint
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[seq2:digit]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/tty/unix.rs:241:23
[INFO] [stdout]     |
[INFO] [stdout] 241 |     /// Handle ESC [ <seq2:digit> escape sequences
[INFO] [stdout]     |                       ^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `Command { std: "docker" "inspect" "e6d8ed2b93ac15c85cfd6fdfd6b5c51650c35115d3bbad8da1289530a827aa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d8ed2b93ac15c85cfd6fdfd6b5c51650c35115d3bbad8da1289530a827aa23", kill_on_drop: false }`
[INFO] [stdout] e6d8ed2b93ac15c85cfd6fdfd6b5c51650c35115d3bbad8da1289530a827aa23