Dec 04 15:53:14.473 INFO checking kesselborn/rsdocs2docset against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:53:14.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 15:53:15.056 INFO [stdout] a149746fe81f885ca9ac09242723cdbe905562625eec4a0970b7ffd09a0311d9
Dec 04 15:53:15.063 INFO running `"docker" "start" "-a" "a149746fe81f885ca9ac09242723cdbe905562625eec4a0970b7ffd09a0311d9"`
Dec 04 15:53:16.887 INFO [stderr] usermod: no changes
Dec 04 15:53:17.081 INFO [stderr]    Compiling rustc-serialize v0.3.22
Dec 04 15:53:17.081 INFO [stderr]     Checking mac v0.0.2
Dec 04 15:53:17.081 INFO [stderr]     Checking serde v0.8.22
Dec 04 15:53:17.081 INFO [stderr]     Checking phf_shared v0.7.20
Dec 04 15:53:17.105 INFO [stderr]    Compiling sqlite3-src v0.2.4
Dec 04 15:53:17.106 INFO [stderr]    Compiling syn v0.10.6
Dec 04 15:53:17.107 INFO [stderr]     Checking term_size v0.2.1
Dec 04 15:53:17.108 INFO [stderr]    Compiling string_cache_codegen v0.3.1
Dec 04 15:53:18.555 INFO [stderr]     Checking url v1.2.4
Dec 04 15:53:18.607 INFO [stderr]     Checking futf v0.1.2
Dec 04 15:53:19.319 INFO [stderr]     Checking phf v0.7.20
Dec 04 15:53:23.324 INFO [stderr]     Checking clap v2.19.3
Dec 04 15:53:23.547 INFO [stderr]     Checking tendril v0.2.3
Dec 04 15:53:23.859 INFO [stderr]    Compiling string_cache v0.3.0
Dec 04 15:53:25.043 INFO [stderr]    Compiling html5ever-atoms v0.1.3
Dec 04 15:53:26.227 INFO [stderr]     Checking sqlite3-sys v0.11.1
Dec 04 15:53:28.507 INFO [stderr]     Checking sqlite v0.23.2
Dec 04 15:53:38.823 INFO [stderr]    Compiling html5ever v0.12.1
Dec 04 15:53:48.099 INFO [stderr]     Checking rsdocs2docset v0.4.1 (/source)
Dec 04 15:53:49.787 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:53:49.787 INFO [stderr]  --> src/dom/manipulator.rs:6:23
Dec 04 15:53:49.787 INFO [stderr]   |
Dec 04 15:53:49.787 INFO [stderr] 6 | pub fn add_dash_links(mut dom: &mut RcDom, entries: &[Option<Entry>]) {
Dec 04 15:53:49.787 INFO [stderr]   |                       ----^^^
Dec 04 15:53:49.787 INFO [stderr]   |                       |
Dec 04 15:53:49.787 INFO [stderr]   |                       help: remove this `mut`
Dec 04 15:53:49.787 INFO [stderr]   |
Dec 04 15:53:49.787 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 15:53:49.787 INFO [stderr] 
Dec 04 15:53:50.419 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:53:50.419 INFO [stderr]  --> src/dom/manipulator.rs:6:23
Dec 04 15:53:50.419 INFO [stderr]   |
Dec 04 15:53:50.419 INFO [stderr] 6 | pub fn add_dash_links(mut dom: &mut RcDom, entries: &[Option<Entry>]) {
Dec 04 15:53:50.419 INFO [stderr]   |                       ----^^^
Dec 04 15:53:50.419 INFO [stderr]   |                       |
Dec 04 15:53:50.419 INFO [stderr]   |                       help: remove this `mut`
Dec 04 15:53:50.439 INFO [stderr]   |
Dec 04 15:53:50.439 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 15:53:50.439 INFO [stderr] 
Dec 04 15:53:52.043 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.13s
Dec 04 15:53:52.062 INFO [stderr] su: No module specific data is present
Dec 04 15:53:52.797 INFO running `"docker" "inspect" "a149746fe81f885ca9ac09242723cdbe905562625eec4a0970b7ffd09a0311d9"`
Dec 04 15:53:53.225 INFO running `"docker" "rm" "-f" "a149746fe81f885ca9ac09242723cdbe905562625eec4a0970b7ffd09a0311d9"`
Dec 04 15:53:53.510 INFO [stdout] a149746fe81f885ca9ac09242723cdbe905562625eec4a0970b7ffd09a0311d9