[INFO] updating cached repository jakeschurch/dotit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jakeschurch/dotit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jakeschurch/dotit" "work/ex/beta-1.38-1/sources/1.37.0/gh/jakeschurch/dotit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jakeschurch/dotit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jakeschurch/dotit" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jakeschurch/dotit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jakeschurch/dotit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 604b2468a1f6b7d294a601db39776f723c255890
[INFO] sha for GitHub repo jakeschurch/dotit: 604b2468a1f6b7d294a601db39776f723c255890
[INFO] validating manifest of jakeschurch/dotit 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 jakeschurch/dotit 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 jakeschurch/dotit
[INFO] finished frobbing jakeschurch/dotit
[INFO] frobbed toml for jakeschurch/dotit written to work/ex/beta-1.38-1/sources/1.37.0/gh/jakeschurch/dotit/Cargo.toml
[INFO] started frobbing jakeschurch/dotit
[INFO] finished frobbing jakeschurch/dotit
[INFO] frobbed toml for jakeschurch/dotit written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jakeschurch/dotit/Cargo.toml
[INFO] crate jakeschurch/dotit 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 jakeschurch/dotit 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jakeschurch/dotit:/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] cbf2435ab715354852ac9aba7fa0b09b2d44398587db132cc1b020ec13022c7a
[INFO] running `"docker" "start" "-a" "cbf2435ab715354852ac9aba7fa0b09b2d44398587db132cc1b020ec13022c7a"`
[INFO] [stderr]    Compiling dotit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Err(e) => panic!("Set `HOME` before using"),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     files
[INFO] [stderr] 28 | |         .into_iter()
[INFO] [stderr] 29 | |         .map(|filename| dm.store_file(canonicalize_buffer(filename)))
[INFO] [stderr] 30 | |         .collect::<Vec<_>>();
[INFO] [stderr]    | |_____________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 | /         DirBuilder::new()
[INFO] [stderr] 67 | |             .recursive(true)
[INFO] [stderr] 68 | |             .create(dest.parent().unwrap());
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    |
[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 1.89s
[INFO] running `"docker" "inspect" "cbf2435ab715354852ac9aba7fa0b09b2d44398587db132cc1b020ec13022c7a"`
[INFO] running `"docker" "rm" "-f" "cbf2435ab715354852ac9aba7fa0b09b2d44398587db132cc1b020ec13022c7a"`
[INFO] [stdout] cbf2435ab715354852ac9aba7fa0b09b2d44398587db132cc1b020ec13022c7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jakeschurch/dotit:/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] 06f0f56f3006a6c2d7e786c809d6ed67e1aef5fb546b4786ed25380846d7bf86
[INFO] running `"docker" "start" "-a" "06f0f56f3006a6c2d7e786c809d6ed67e1aef5fb546b4786ed25380846d7bf86"`
[INFO] [stderr]    Compiling dotit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Err(e) => panic!("Set `HOME` before using"),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     files
[INFO] [stderr] 28 | |         .into_iter()
[INFO] [stderr] 29 | |         .map(|filename| dm.store_file(canonicalize_buffer(filename)))
[INFO] [stderr] 30 | |         .collect::<Vec<_>>();
[INFO] [stderr]    | |_____________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 | /         DirBuilder::new()
[INFO] [stderr] 67 | |             .recursive(true)
[INFO] [stderr] 68 | |             .create(dest.parent().unwrap());
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    |
[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 0.76s
[INFO] running `"docker" "inspect" "06f0f56f3006a6c2d7e786c809d6ed67e1aef5fb546b4786ed25380846d7bf86"`
[INFO] running `"docker" "rm" "-f" "06f0f56f3006a6c2d7e786c809d6ed67e1aef5fb546b4786ed25380846d7bf86"`
[INFO] [stdout] 06f0f56f3006a6c2d7e786c809d6ed67e1aef5fb546b4786ed25380846d7bf86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jakeschurch/dotit:/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] a77f6bc62311d8302e0ba34d6322424b109a3e7d2436659a62698d1047a922a7
[INFO] running `"docker" "start" "-a" "a77f6bc62311d8302e0ba34d6322424b109a3e7d2436659a62698d1047a922a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dotit-1c6d5f1b0cdc4e46
[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" "a77f6bc62311d8302e0ba34d6322424b109a3e7d2436659a62698d1047a922a7"`
[INFO] running `"docker" "rm" "-f" "a77f6bc62311d8302e0ba34d6322424b109a3e7d2436659a62698d1047a922a7"`
[INFO] [stdout] a77f6bc62311d8302e0ba34d6322424b109a3e7d2436659a62698d1047a922a7