[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/beta-1.38-1/sources/1.37.0/gh/spschul/swole"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/spschul/swole'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/spschul/swole" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spschul/swole"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spschul/swole on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/spschul/swole/Cargo.toml
[INFO] crate spschul/swole already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spschul/swole against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spschul/swole:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5c7848de2de1fd221141515bc0e977fff8580450c674f3386086644770b0ea16
[INFO] running `"docker" "start" "-a" "5c7848de2de1fd221141515bc0e977fff8580450c674f3386086644770b0ea16"`
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling 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: 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 6.11s
[INFO] running `"docker" "inspect" "5c7848de2de1fd221141515bc0e977fff8580450c674f3386086644770b0ea16"`
[INFO] running `"docker" "rm" "-f" "5c7848de2de1fd221141515bc0e977fff8580450c674f3386086644770b0ea16"`
[INFO] [stdout] 5c7848de2de1fd221141515bc0e977fff8580450c674f3386086644770b0ea16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spschul/swole:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4093a9721c8115e18be7c67b7b259d4183686ec9b8454d44ec2f201367f52f26
[INFO] running `"docker" "start" "-a" "4093a9721c8115e18be7c67b7b259d4183686ec9b8454d44ec2f201367f52f26"`
[INFO] [stderr]    Compiling 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: 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 1.22s
[INFO] running `"docker" "inspect" "4093a9721c8115e18be7c67b7b259d4183686ec9b8454d44ec2f201367f52f26"`
[INFO] running `"docker" "rm" "-f" "4093a9721c8115e18be7c67b7b259d4183686ec9b8454d44ec2f201367f52f26"`
[INFO] [stdout] 4093a9721c8115e18be7c67b7b259d4183686ec9b8454d44ec2f201367f52f26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spschul/swole:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5951286be6c75aabbe9f4d2ff4887b3bed33046734e42ed057f22d508dab943e
[INFO] running `"docker" "start" "-a" "5951286be6c75aabbe9f4d2ff4887b3bed33046734e42ed057f22d508dab943e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/swole-cafb0fcf7cb69356
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5951286be6c75aabbe9f4d2ff4887b3bed33046734e42ed057f22d508dab943e"`
[INFO] running `"docker" "rm" "-f" "5951286be6c75aabbe9f4d2ff4887b3bed33046734e42ed057f22d508dab943e"`
[INFO] [stdout] 5951286be6c75aabbe9f4d2ff4887b3bed33046734e42ed057f22d508dab943e