[INFO] updating cached repository Kode-Cultur/rusty-gopher
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kode-Cultur/rusty-gopher
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kode-Cultur/rusty-gopher" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Kode-Cultur/rusty-gopher"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Kode-Cultur/rusty-gopher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kode-Cultur/rusty-gopher" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Kode-Cultur/rusty-gopher"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/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#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Kode-Cultur/rusty-gopher on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-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-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/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-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/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/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking Kode-Cultur/rusty-gopher against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-2/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Kode-Cultur/rusty-gopher:/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 454d24f295ac472a22005d0562965b099a8b647a0d7c289154351b6823e27b87
[INFO] running `"docker" "start" "-a" "454d24f295ac472a22005d0562965b099a8b647a0d7c289154351b6823e27b87"`
[INFO] [stderr]     Checking slog v2.2.3
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking isatty v0.1.7
[INFO] [stderr]     Checking users v0.6.1
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.45
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking docopt v0.8.3
[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 15.46s
[INFO] running `"docker" "inspect" "454d24f295ac472a22005d0562965b099a8b647a0d7c289154351b6823e27b87"`
[INFO] running `"docker" "rm" "-f" "454d24f295ac472a22005d0562965b099a8b647a0d7c289154351b6823e27b87"`
[INFO] [stdout] 454d24f295ac472a22005d0562965b099a8b647a0d7c289154351b6823e27b87