[INFO] updating cached repository thatlittlegit/webcrawler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thatlittlegit/webcrawler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thatlittlegit/webcrawler" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/thatlittlegit/webcrawler"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/thatlittlegit/webcrawler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thatlittlegit/webcrawler" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/thatlittlegit/webcrawler"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/thatlittlegit/webcrawler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94de54a5aef07dbac6723d479daedb669e207f21
[INFO] sha for GitHub repo thatlittlegit/webcrawler: 94de54a5aef07dbac6723d479daedb669e207f21
[INFO] validating manifest of thatlittlegit/webcrawler on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thatlittlegit/webcrawler on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thatlittlegit/webcrawler
[INFO] finished frobbing thatlittlegit/webcrawler
[INFO] frobbed toml for thatlittlegit/webcrawler written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/thatlittlegit/webcrawler/Cargo.toml
[INFO] started frobbing thatlittlegit/webcrawler
[INFO] finished frobbing thatlittlegit/webcrawler
[INFO] frobbed toml for thatlittlegit/webcrawler written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/thatlittlegit/webcrawler/Cargo.toml
[INFO] crate thatlittlegit/webcrawler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking thatlittlegit/webcrawler against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/thatlittlegit/webcrawler:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a9527ce38a74057d6a5acc017166a08ed0e7c3507945ee2b8c5e481f8af1fdc5
[INFO] running `"docker" "start" "-a" "a9527ce38a74057d6a5acc017166a08ed0e7c3507945ee2b8c5e481f8af1fdc5"`
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling serde v1.0.42
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.9
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking encoding_rs 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]    Compiling rand v0.3.22
[INFO] [stderr]     Checking tokio-timer v0.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling string_cache v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper v0.11.25
[INFO] [stderr]     Checking serde_json v1.0.16
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling html5ever v0.22.2
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking robotparser v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.42
[INFO] [stderr]    Compiling markup5ever v0.7.2
[INFO] [stderr]     Checking ammonia v1.1.0
[INFO] [stderr]     Checking crawler v1.0.0 (/opt/crater/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: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]     Finished dev [unoptimized + debuginfo] target(s) in 55.17s
[INFO] running `"docker" "inspect" "a9527ce38a74057d6a5acc017166a08ed0e7c3507945ee2b8c5e481f8af1fdc5"`
[INFO] running `"docker" "rm" "-f" "a9527ce38a74057d6a5acc017166a08ed0e7c3507945ee2b8c5e481f8af1fdc5"`
[INFO] [stdout] a9527ce38a74057d6a5acc017166a08ed0e7c3507945ee2b8c5e481f8af1fdc5