[INFO] updating cached repository drewhk/hakk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drewhk/hakk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drewhk/hakk" "work/ex/beta-1.38-1/sources/1.37.0/gh/drewhk/hakk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/drewhk/hakk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drewhk/hakk" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drewhk/hakk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drewhk/hakk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75e22d29644c9f4d38195a34e1cea676e30bfcdf
[INFO] sha for GitHub repo drewhk/hakk: 75e22d29644c9f4d38195a34e1cea676e30bfcdf
[INFO] validating manifest of drewhk/hakk 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 drewhk/hakk 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 drewhk/hakk
[INFO] finished frobbing drewhk/hakk
[INFO] frobbed toml for drewhk/hakk written to work/ex/beta-1.38-1/sources/1.37.0/gh/drewhk/hakk/Cargo.toml
[INFO] started frobbing drewhk/hakk
[INFO] finished frobbing drewhk/hakk
[INFO] frobbed toml for drewhk/hakk written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drewhk/hakk/Cargo.toml
[INFO] crate drewhk/hakk 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drewhk/hakk/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 drewhk/hakk against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drewhk/hakk:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c302fdfb0aca35d5fd5c061077d44c36d9cf64c9375a93572ccdb67ef6cebbf8
[INFO] running `"docker" "start" "-a" "c302fdfb0aca35d5fd5c061077d44c36d9cf64c9375a93572ccdb67ef6cebbf8"`
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling clap v1.5.6
[INFO] [stderr]    Compiling hakk 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:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let toml_path_opt = env::home_dir().and_then (|home| 
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `"docker" "inspect" "c302fdfb0aca35d5fd5c061077d44c36d9cf64c9375a93572ccdb67ef6cebbf8"`
[INFO] running `"docker" "rm" "-f" "c302fdfb0aca35d5fd5c061077d44c36d9cf64c9375a93572ccdb67ef6cebbf8"`
[INFO] [stdout] c302fdfb0aca35d5fd5c061077d44c36d9cf64c9375a93572ccdb67ef6cebbf8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drewhk/hakk:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 74ca19bb143c57b64f2929d0b4681b74962cf748f62927cff75d9f430f27a00c
[INFO] running `"docker" "start" "-a" "74ca19bb143c57b64f2929d0b4681b74962cf748f62927cff75d9f430f27a00c"`
[INFO] [stderr]    Compiling hakk 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:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let toml_path_opt = env::home_dir().and_then (|home| 
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "74ca19bb143c57b64f2929d0b4681b74962cf748f62927cff75d9f430f27a00c"`
[INFO] running `"docker" "rm" "-f" "74ca19bb143c57b64f2929d0b4681b74962cf748f62927cff75d9f430f27a00c"`
[INFO] [stdout] 74ca19bb143c57b64f2929d0b4681b74962cf748f62927cff75d9f430f27a00c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drewhk/hakk:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 36a5244e09bf33b45c1b4ee743df8172fbc3ab81e8515718e0b20cb209ad76f4
[INFO] running `"docker" "start" "-a" "36a5244e09bf33b45c1b4ee743df8172fbc3ab81e8515718e0b20cb209ad76f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hakk-fe9bf9d2eb60de3d
[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" "36a5244e09bf33b45c1b4ee743df8172fbc3ab81e8515718e0b20cb209ad76f4"`
[INFO] running `"docker" "rm" "-f" "36a5244e09bf33b45c1b4ee743df8172fbc3ab81e8515718e0b20cb209ad76f4"`
[INFO] [stdout] 36a5244e09bf33b45c1b4ee743df8172fbc3ab81e8515718e0b20cb209ad76f4