[INFO] updating cached repository StreatCodes/just_playin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/StreatCodes/just_playin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/StreatCodes/just_playin" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/StreatCodes/just_playin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/StreatCodes/just_playin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/StreatCodes/just_playin" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/StreatCodes/just_playin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/StreatCodes/just_playin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0efa029b2da9f168c0a8fc153e5f351ff439bb5e
[INFO] sha for GitHub repo StreatCodes/just_playin: 0efa029b2da9f168c0a8fc153e5f351ff439bb5e
[INFO] validating manifest of StreatCodes/just_playin on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of StreatCodes/just_playin on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing StreatCodes/just_playin
[INFO] finished frobbing StreatCodes/just_playin
[INFO] frobbed toml for StreatCodes/just_playin written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/StreatCodes/just_playin/Cargo.toml
[INFO] started frobbing StreatCodes/just_playin
[INFO] finished frobbing StreatCodes/just_playin
[INFO] frobbed toml for StreatCodes/just_playin written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/StreatCodes/just_playin/Cargo.toml
[INFO] crate StreatCodes/just_playin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking StreatCodes/just_playin against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/StreatCodes/just_playin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4e1447e7507738073a099be1a8d9a47a155af2e63c0d6f36aa6640e86c93c0e7
[INFO] running `"docker" "start" "-a" "4e1447e7507738073a099be1a8d9a47a155af2e63c0d6f36aa6640e86c93c0e7"`
[INFO] [stderr]    Compiling libflate v0.1.23
[INFO] [stderr]    Compiling libsodium-sys v0.2.2
[INFO] [stderr]     Checking sodiumoxide v0.2.2
[INFO] [stderr]     Checking sample_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/main.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufReader, BufWriter};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/main.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufReader, BufWriter};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `writer`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let writer = BufReader::new(&stream);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_writer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]   --> src/main.rs:59:36
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Ok((decrypted_message, tag)) => {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_tag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/main.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let message = String::from_utf8(decrypted_message)
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `writer`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let writer = BufReader::new(&stream);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_writer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]   --> src/main.rs:59:36
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Ok((decrypted_message, tag)) => {
[INFO] [stderr]    |                                    ^^^ help: consider prefixing with an underscore: `_tag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/main.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let message = String::from_utf8(decrypted_message)
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn handle_client(mut stream: TcpStream, key: &secretstream::Key) {
[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:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn handle_client(mut stream: TcpStream, key: &secretstream::Key) {
[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 04s
[INFO] running `"docker" "inspect" "4e1447e7507738073a099be1a8d9a47a155af2e63c0d6f36aa6640e86c93c0e7"`
[INFO] running `"docker" "rm" "-f" "4e1447e7507738073a099be1a8d9a47a155af2e63c0d6f36aa6640e86c93c0e7"`
[INFO] [stdout] 4e1447e7507738073a099be1a8d9a47a155af2e63c0d6f36aa6640e86c93c0e7