[INFO] fetching crate rustyline 6.3.0...
[INFO] documenting rustyline-6.3.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate rustyline 6.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustyline 6.3.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustyline 6.3.0
[INFO] finished tweaking crates.io crate rustyline 6.3.0
[INFO] tweaked toml for crates.io crate rustyline 6.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rustyline 6.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 246ebc0d8c71e7add2c0a52928432e0c12108f55e3feaf51227ac81930c64f71
[INFO] running `Command { std: "docker" "start" "-a" "246ebc0d8c71e7add2c0a52928432e0c12108f55e3feaf51227ac81930c64f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246ebc0d8c71e7add2c0a52928432e0c12108f55e3feaf51227ac81930c64f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246ebc0d8c71e7add2c0a52928432e0c12108f55e3feaf51227ac81930c64f71", kill_on_drop: false }`
[INFO] [stdout] 246ebc0d8c71e7add2c0a52928432e0c12108f55e3feaf51227ac81930c64f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fcf3590d19579f6a7add3df2b7c9bb1bc2acd785bbd61bc87fbffc6a687485d
[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" "1fcf3590d19579f6a7add3df2b7c9bb1bc2acd785bbd61bc87fbffc6a687485d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]  Documenting rustyline v6.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `stifle_history`
[INFO] [stdout]    --> src/history.rs:109:15
[INFO] [stdout]     |
[INFO] [stdout] 109 |     /// Like [stifle_history](http://cnswww.cns.cwru.
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ the module `history` contains no item named `stifle_history`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(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 `refresh_line`
[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]     |                  ^^^^^^^^^^^^^^ the module `keymap` contains no item named `refresh_line`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `seq2:digit`
[INFO] [stdout]    --> src/tty/unix.rs:241:23
[INFO] [stdout]     |
[INFO] [stdout] 241 |     /// Handle ESC [ <seq2:digit> escape sequences
[INFO] [stdout]     |                       ^^^^^^^^^^ the module `unix` contains no item named `seq2:digit`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, 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 12.74s
[INFO] running `Command { std: "docker" "inspect" "1fcf3590d19579f6a7add3df2b7c9bb1bc2acd785bbd61bc87fbffc6a687485d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcf3590d19579f6a7add3df2b7c9bb1bc2acd785bbd61bc87fbffc6a687485d", kill_on_drop: false }`
[INFO] [stdout] 1fcf3590d19579f6a7add3df2b7c9bb1bc2acd785bbd61bc87fbffc6a687485d
