[INFO] updating cached repository spschul/swole
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/spschul/swole
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/spschul/swole" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/spschul/swole"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/spschul/swole'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/spschul/swole" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/spschul/swole"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/spschul/swole'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 134b9478c4b51da8235ee21bb24f629437b33aee
[INFO] sha for GitHub repo spschul/swole: 134b9478c4b51da8235ee21bb24f629437b33aee
[INFO] validating manifest of spschul/swole 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 spschul/swole 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 spschul/swole
[INFO] finished frobbing spschul/swole
[INFO] frobbed toml for spschul/swole written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/spschul/swole/Cargo.toml
[INFO] started frobbing spschul/swole
[INFO] finished frobbing spschul/swole
[INFO] frobbed toml for spschul/swole written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/spschul/swole/Cargo.toml
[INFO] crate spschul/swole 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 spschul/swole against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-3/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/spschul/swole:/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] c47b35f9308dd222cb452962b1a7e6939d283aed62c6cbbf939d075a9398c8d9
[INFO] running `"docker" "start" "-a" "c47b35f9308dd222cb452962b1a7e6939d283aed62c6cbbf939d075a9398c8d9"`
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking swole v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:140:36
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let mut config = PathBuf::from(env::home_dir().unwrap());
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:149:36
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let mut config = PathBuf::from(env::home_dir().unwrap());
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:140:36
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let mut config = PathBuf::from(env::home_dir().unwrap());
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:149:36
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let mut config = PathBuf::from(env::home_dir().unwrap());
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut exercise = match self.exercises.get_mut(exer) {
[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:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut exercise = match self.exercises.get_mut(exer) {
[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 13.90s
[INFO] running `"docker" "inspect" "c47b35f9308dd222cb452962b1a7e6939d283aed62c6cbbf939d075a9398c8d9"`
[INFO] running `"docker" "rm" "-f" "c47b35f9308dd222cb452962b1a7e6939d283aed62c6cbbf939d075a9398c8d9"`
[INFO] [stdout] c47b35f9308dd222cb452962b1a7e6939d283aed62c6cbbf939d075a9398c8d9