[INFO] updating cached repository https://github.com/crossdot/rust_ssr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48cac0979b723c908700ceefea989dd3a25e5bbe
[INFO] checking crossdot/rust_ssr against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossdot%2Frust_ssr" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crossdot/rust_ssr on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/crossdot/rust_ssr
[INFO] finished tweaking git repo https://github.com/crossdot/rust_ssr
[INFO] tweaked toml for git repo https://github.com/crossdot/rust_ssr written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/crossdot/rust_ssr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e2db3eecc8da3f61bb828b1ce51ea45be2a62eadea5b9627cd20d9116d929c84
[INFO] running `"docker" "start" "-a" "e2db3eecc8da3f61bb828b1ce51ea45be2a62eadea5b9627cd20d9116d929c84"`
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking quickersort v2.2.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking hyper v0.10.12
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]    Compiling string_cache v0.6.1
[INFO] [stderr]    Compiling markup5ever v0.3.1
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking selectors v0.5.9
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking mount v0.3.0
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking staticfile v0.4.0
[INFO] [stderr]     Checking scraper v0.4.0
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking iron_ws_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `parse_document`
[INFO] [stderr]    --> src/main.rs:162:28
[INFO] [stderr]     |
[INFO] [stderr] 162 | use html5ever::{ParseOpts, parse_document, parse_fragment};
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeBuilderOpts`
[INFO] [stderr]    --> src/main.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | use html5ever::tree_builder::TreeBuilderOpts;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::rcdom::NodeData::Element`
[INFO] [stderr]    --> src/main.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 | use html5ever::rcdom::NodeData::Element;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SerializeOpts`
[INFO] [stderr]    --> src/main.rs:167:28
[INFO] [stderr]     |
[INFO] [stderr] 167 | use html5ever::serialize::{SerializeOpts};
[INFO] [stderr]     |                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StrTendril`
[INFO] [stderr]    --> src/main.rs:168:39
[INFO] [stderr]     |
[INFO] [stderr] 168 | use html5ever::tendril::{TendrilSink, StrTendril};
[INFO] [stderr]     |                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute`
[INFO] [stderr]    --> src/main.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn execute(cmd: &str) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]    --> src/main.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | fn parse() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let mut c = mode.entry(item).or_insert(0);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "e2db3eecc8da3f61bb828b1ce51ea45be2a62eadea5b9627cd20d9116d929c84"`
[INFO] running `"docker" "rm" "-f" "e2db3eecc8da3f61bb828b1ce51ea45be2a62eadea5b9627cd20d9116d929c84"`
[INFO] [stdout] e2db3eecc8da3f61bb828b1ce51ea45be2a62eadea5b9627cd20d9116d929c84