[INFO] updating cached repository https://github.com/thatlittlegit/webcrawler [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] 94de54a5aef07dbac6723d479daedb669e207f21 [INFO] checking thatlittlegit/webcrawler against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatlittlegit%2Fwebcrawler" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thatlittlegit/webcrawler on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/thatlittlegit/webcrawler [INFO] finished tweaking git repo https://github.com/thatlittlegit/webcrawler [INFO] tweaked toml for git repo https://github.com/thatlittlegit/webcrawler written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/thatlittlegit/webcrawler already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3da0d854ecfdf20696ad630f84572188be3d6ffe718302ae17d8c86cbc0739bc [INFO] running `"docker" "start" "-a" "3da0d854ecfdf20696ad630f84572188be3d6ffe718302ae17d8c86cbc0739bc"` [INFO] [stderr] Compiling cc v1.0.10 [INFO] [stderr] Compiling serde v1.0.42 [INFO] [stderr] Checking utf-8 v0.7.2 [INFO] [stderr] Compiling crc v1.7.0 [INFO] [stderr] Checking base64 v0.9.0 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking futf v0.1.3 [INFO] [stderr] Checking tokio-threadpool v0.1.2 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking tendril v0.4.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking libflate v0.1.14 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio v0.1.5 [INFO] [stderr] Compiling string_cache v0.7.2 [INFO] [stderr] Checking regex v0.2.10 [INFO] [stderr] Compiling openssl-sys v0.9.28 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking env_logger v0.5.9 [INFO] [stderr] Checking serde_urlencoded v0.5.1 [INFO] [stderr] Checking serde_json v1.0.16 [INFO] [stderr] Checking hyper v0.11.25 [INFO] [stderr] Checking native-tls v0.1.5 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Compiling html5ever v0.22.2 [INFO] [stderr] Checking hyper-tls v0.1.3 [INFO] [stderr] Compiling serde_derive v1.0.42 [INFO] [stderr] Checking reqwest v0.8.5 [INFO] [stderr] Checking robotparser v0.10.1 [INFO] [stderr] Compiling markup5ever v0.7.2 [INFO] [stderr] Checking ammonia v1.1.0 [INFO] [stderr] Checking crawler v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:108:17 [INFO] [stderr] | [INFO] [stderr] 108 | let mut hostname = String::from(parsed_url.host_str().unwrap()); // TODO Merge with previous line [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:117:17 [INFO] [stderr] | [INFO] [stderr] 117 | let mut original_hostname = hostname.clone(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | let mut robotsok: (String, RobotFileParser); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:108:17 [INFO] [stderr] | [INFO] [stderr] 108 | let mut hostname = String::from(parsed_url.host_str().unwrap()); // TODO Merge with previous line [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:117:17 [INFO] [stderr] | [INFO] [stderr] 117 | let mut original_hostname = hostname.clone(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | let mut robotsok: (String, RobotFileParser); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 30s [INFO] running `"docker" "inspect" "3da0d854ecfdf20696ad630f84572188be3d6ffe718302ae17d8c86cbc0739bc"` [INFO] running `"docker" "rm" "-f" "3da0d854ecfdf20696ad630f84572188be3d6ffe718302ae17d8c86cbc0739bc"` [INFO] [stdout] 3da0d854ecfdf20696ad630f84572188be3d6ffe718302ae17d8c86cbc0739bc