[INFO] updating cached repository remolueoend/secure-env
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/remolueoend/secure-env
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/remolueoend/secure-env" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/remolueoend/secure-env"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/remolueoend/secure-env'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/remolueoend/secure-env" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/remolueoend/secure-env"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/remolueoend/secure-env'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ba7521d9cef47a6171c0e12bd4d4fc1e3f8fb52
[INFO] sha for GitHub repo remolueoend/secure-env: 5ba7521d9cef47a6171c0e12bd4d4fc1e3f8fb52
[INFO] validating manifest of remolueoend/secure-env on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of remolueoend/secure-env on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing remolueoend/secure-env
[INFO] finished frobbing remolueoend/secure-env
[INFO] frobbed toml for remolueoend/secure-env written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/remolueoend/secure-env/Cargo.toml
[INFO] started frobbing remolueoend/secure-env
[INFO] finished frobbing remolueoend/secure-env
[INFO] frobbed toml for remolueoend/secure-env written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/remolueoend/secure-env/Cargo.toml
[INFO] crate remolueoend/secure-env already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking remolueoend/secure-env against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/remolueoend/secure-env:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2f4433e1b1b0ae2025ebfe891361c3d416e8fa655d6e8ad5ef1bea2cd2ae8c6
[INFO] running `"docker" "start" "-a" "b2f4433e1b1b0ae2025ebfe891361c3d416e8fa655d6e8ad5ef1bea2cd2ae8c6"`
[INFO] [stderr]     Checking secure_env v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `process`
[INFO] [stderr]   --> src/start_command.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let process = Command::new(name).envs(&env_vars).spawn()?;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_process`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `process`
[INFO] [stderr]   --> src/start_command.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let process = Command::new(name).envs(&env_vars).spawn()?;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_process`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         start_command(start_args.value_of("PROCESS").unwrap(), &pass);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         start_command(start_args.value_of("PROCESS").unwrap(), &pass);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "b2f4433e1b1b0ae2025ebfe891361c3d416e8fa655d6e8ad5ef1bea2cd2ae8c6"`
[INFO] running `"docker" "rm" "-f" "b2f4433e1b1b0ae2025ebfe891361c3d416e8fa655d6e8ad5ef1bea2cd2ae8c6"`
[INFO] [stdout] b2f4433e1b1b0ae2025ebfe891361c3d416e8fa655d6e8ad5ef1bea2cd2ae8c6