[INFO] cloning repository Kode-Cultur/rusty-gopher
[INFO] running `"git" "clone" "--bare" "git://github.com/Kode-Cultur/rusty-gopher.git" "work/cache/sources/gh/Kode-Cultur/rusty-gopher"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Kode-Cultur/rusty-gopher'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Kode-Cultur/rusty-gopher" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Kode-Cultur/rusty-gopher"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Kode-Cultur/rusty-gopher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kode-Cultur/rusty-gopher" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kode-Cultur/rusty-gopher"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kode-Cultur/rusty-gopher'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2480e8ccf719ad56cd08b49ff7da40232b2a83f
[INFO] sha for GitHub repo Kode-Cultur/rusty-gopher: c2480e8ccf719ad56cd08b49ff7da40232b2a83f
[INFO] validating manifest of Kode-Cultur/rusty-gopher on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Kode-Cultur/rusty-gopher on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Kode-Cultur/rusty-gopher
[INFO] finished frobbing Kode-Cultur/rusty-gopher
[INFO] frobbed toml for Kode-Cultur/rusty-gopher written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Kode-Cultur/rusty-gopher/Cargo.toml
[INFO] started frobbing Kode-Cultur/rusty-gopher
[INFO] finished frobbing Kode-Cultur/rusty-gopher
[INFO] frobbed toml for Kode-Cultur/rusty-gopher written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kode-Cultur/rusty-gopher/Cargo.toml
[INFO] crate Kode-Cultur/rusty-gopher already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clippy v0.0.196
[INFO] [stderr]   Downloaded clippy_lints v0.0.196
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Kode-Cultur/rusty-gopher against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Kode-Cultur/rusty-gopher:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c3be1ae3280c003037cc472b0a4acf65bac73de478baa5ed845797b2739f29b0
[INFO] running `"docker" "start" "-a" "c3be1ae3280c003037cc472b0a4acf65bac73de478baa5ed845797b2739f29b0"`
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking rusty-gopher v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `search_string`
[INFO] [stderr]    --> src/main.rs:229:56
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     GopherMessage::SearchDir(selector, search_string) => {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_search_string`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:300:17
[INFO] [stderr]     |
[INFO] [stderr] 300 |             let mut selector = String::new();
[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: variant is never constructed: `SearchDir`
[INFO] [stderr]    --> src/main.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |     SearchDir(String, String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `search_string`
[INFO] [stderr]    --> src/main.rs:229:56
[INFO] [stderr]     |
[INFO] [stderr] 229 |                     GopherMessage::SearchDir(selector, search_string) => {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_search_string`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:300:17
[INFO] [stderr]     |
[INFO] [stderr] 300 |             let mut selector = String::new();
[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: variant is never constructed: `SearchDir`
[INFO] [stderr]    --> src/main.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |     SearchDir(String, String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `"docker" "inspect" "c3be1ae3280c003037cc472b0a4acf65bac73de478baa5ed845797b2739f29b0"`
[INFO] running `"docker" "rm" "-f" "c3be1ae3280c003037cc472b0a4acf65bac73de478baa5ed845797b2739f29b0"`
[INFO] [stdout] c3be1ae3280c003037cc472b0a4acf65bac73de478baa5ed845797b2739f29b0