[INFO] fetching crate substudy 0.4.5...
[INFO] documenting substudy-0.4.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate substudy 0.4.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate substudy 0.4.5 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substudy 0.4.5
[INFO] finished tweaking crates.io crate substudy 0.4.5
[INFO] tweaked toml for crates.io crate substudy 0.4.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded whatlang v0.5.0
[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" "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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 924e38c87f58aefc97b6348d047601a5a8b960051c4877a60b8de01047d5d5ee
[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" "924e38c87f58aefc97b6348d047601a5a8b960051c4877a60b8de01047d5d5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "924e38c87f58aefc97b6348d047601a5a8b960051c4877a60b8de01047d5d5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924e38c87f58aefc97b6348d047601a5a8b960051c4877a60b8de01047d5d5ee", kill_on_drop: false }`
[INFO] [stdout] 924e38c87f58aefc97b6348d047601a5a8b960051c4877a60b8de01047d5d5ee
[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" "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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b7628723536a144aa06ce7c96d6bf7bb807896b608f47c528672fd6609f0b60
[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" "9b7628723536a144aa06ce7c96d6bf7bb807896b608f47c528672fd6609f0b60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking whatlang v0.5.0
[INFO] [stderr]    Compiling substudy v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking handlebars v0.29.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]  Documenting substudy v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/substudy-d230d45caaa165a8/out/grammar.rs:110:461
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/substudy-d230d45caaa165a8/out/grammar.rs:112:482
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/substudy-d230d45caaa165a8/out/grammar.rs:112:1247
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ...
[INFO] [stdout]     |                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.92s
[INFO] running `Command { std: "docker" "inspect" "9b7628723536a144aa06ce7c96d6bf7bb807896b608f47c528672fd6609f0b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7628723536a144aa06ce7c96d6bf7bb807896b608f47c528672fd6609f0b60", kill_on_drop: false }`
[INFO] [stdout] 9b7628723536a144aa06ce7c96d6bf7bb807896b608f47c528672fd6609f0b60