[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-1.37-6/sources/1.36.0/gh/spschul/swole"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/spschul/swole'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/spschul/swole" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/spschul/swole"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spschul/swole on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spschul/swole against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 745f9d7b009a184e2fd37d6575ab589a2fa9b391dacfa03e333d70d23c0793c7
[INFO] running `"docker" "start" "-a" "745f9d7b009a184e2fd37d6575ab589a2fa9b391dacfa03e333d70d23c0793c7"`
[INFO] [stderr]    Compiling serde_json v1.0.3
[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 9.19s
[INFO] running `"docker" "inspect" "745f9d7b009a184e2fd37d6575ab589a2fa9b391dacfa03e333d70d23c0793c7"`
[INFO] running `"docker" "rm" "-f" "745f9d7b009a184e2fd37d6575ab589a2fa9b391dacfa03e333d70d23c0793c7"`
[INFO] [stdout] 745f9d7b009a184e2fd37d6575ab589a2fa9b391dacfa03e333d70d23c0793c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ed757e2bdef40a44757f80ea10cdbd2f725b4a7b4fb68cc4979fd0c8f78e754
[INFO] running `"docker" "start" "-a" "9ed757e2bdef40a44757f80ea10cdbd2f725b4a7b4fb68cc4979fd0c8f78e754"`
[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 1.06s
[INFO] running `"docker" "inspect" "9ed757e2bdef40a44757f80ea10cdbd2f725b4a7b4fb68cc4979fd0c8f78e754"`
[INFO] running `"docker" "rm" "-f" "9ed757e2bdef40a44757f80ea10cdbd2f725b4a7b4fb68cc4979fd0c8f78e754"`
[INFO] [stdout] 9ed757e2bdef40a44757f80ea10cdbd2f725b4a7b4fb68cc4979fd0c8f78e754
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d5a8f2acf00d2ac8e39a9c05e2396ad323347259ba3d69fa5ed4a42f60e14b7c
[INFO] running `"docker" "start" "-a" "d5a8f2acf00d2ac8e39a9c05e2396ad323347259ba3d69fa5ed4a42f60e14b7c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/swole-454c7aee91eeab71
[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" "d5a8f2acf00d2ac8e39a9c05e2396ad323347259ba3d69fa5ed4a42f60e14b7c"`
[INFO] running `"docker" "rm" "-f" "d5a8f2acf00d2ac8e39a9c05e2396ad323347259ba3d69fa5ed4a42f60e14b7c"`
[INFO] [stdout] d5a8f2acf00d2ac8e39a9c05e2396ad323347259ba3d69fa5ed4a42f60e14b7c