[INFO] updating cached repository azat-ismagilov/proxyismagilov
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/azat-ismagilov/proxyismagilov
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/azat-ismagilov/proxyismagilov" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/azat-ismagilov/proxyismagilov"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/azat-ismagilov/proxyismagilov'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/azat-ismagilov/proxyismagilov" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/azat-ismagilov/proxyismagilov"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/azat-ismagilov/proxyismagilov'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af192e75ac5d2c74104b39861e3ce53bb559a46a
[INFO] sha for GitHub repo azat-ismagilov/proxyismagilov: af192e75ac5d2c74104b39861e3ce53bb559a46a
[INFO] validating manifest of azat-ismagilov/proxyismagilov 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 azat-ismagilov/proxyismagilov 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 azat-ismagilov/proxyismagilov
[INFO] finished frobbing azat-ismagilov/proxyismagilov
[INFO] frobbed toml for azat-ismagilov/proxyismagilov written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/azat-ismagilov/proxyismagilov/Cargo.toml
[INFO] started frobbing azat-ismagilov/proxyismagilov
[INFO] finished frobbing azat-ismagilov/proxyismagilov
[INFO] frobbed toml for azat-ismagilov/proxyismagilov written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/azat-ismagilov/proxyismagilov/Cargo.toml
[INFO] crate azat-ismagilov/proxyismagilov 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] checking azat-ismagilov/proxyismagilov against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/azat-ismagilov/proxyismagilov:/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] f54e3dbc02b304f46fc016587741937829c686bef022338552359a8c1b834b65
[INFO] running `"docker" "start" "-a" "f54e3dbc02b304f46fc016587741937829c686bef022338552359a8c1b834b65"`
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking mtproxy v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]   --> src/proxy.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |           Ok(Some(mut dc_idx)) => {
[INFO] [stderr]    |                   ----^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]    --> src/proxy.rs:166:11
[INFO] [stderr]     |
[INFO] [stderr] 166 |       let mut pump = pump.borrow_mut();
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mtproxy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]   --> src/proxy.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |           Ok(Some(mut dc_idx)) => {
[INFO] [stderr]    |                   ----^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: variable does not need to be mutable
[INFO] [stderr]    --> src/proxy.rs:166:11
[INFO] [stderr]     |
[INFO] [stderr] 166 |       let mut pump = pump.borrow_mut();
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mtproxy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f54e3dbc02b304f46fc016587741937829c686bef022338552359a8c1b834b65"`
[INFO] running `"docker" "rm" "-f" "f54e3dbc02b304f46fc016587741937829c686bef022338552359a8c1b834b65"`
[INFO] [stdout] f54e3dbc02b304f46fc016587741937829c686bef022338552359a8c1b834b65