[INFO] updating cached repository deecewan/dotter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deecewan/dotter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deecewan/dotter" "work/ex/beta-1.37-6/sources/1.36.0/gh/deecewan/dotter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/deecewan/dotter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deecewan/dotter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/deecewan/dotter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/deecewan/dotter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1827754b09963a3e90ead18dee84b10ab8ca1f15
[INFO] sha for GitHub repo deecewan/dotter: 1827754b09963a3e90ead18dee84b10ab8ca1f15
[INFO] validating manifest of deecewan/dotter 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 deecewan/dotter 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 deecewan/dotter
[INFO] finished frobbing deecewan/dotter
[INFO] frobbed toml for deecewan/dotter written to work/ex/beta-1.37-6/sources/1.36.0/gh/deecewan/dotter/Cargo.toml
[INFO] started frobbing deecewan/dotter
[INFO] finished frobbing deecewan/dotter
[INFO] frobbed toml for deecewan/dotter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/deecewan/dotter/Cargo.toml
[INFO] crate deecewan/dotter 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 deecewan/dotter 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-5/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/deecewan/dotter:/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] bbf837179a1a904a92e6cd3e0c7ad25380ac3a1ccc4efbb4854ec1f0c994d952
[INFO] running `"docker" "start" "-a" "bbf837179a1a904a92e6cd3e0c7ad25380ac3a1ccc4efbb4854ec1f0c994d952"`
[INFO] [stderr]    Compiling rayon-core v1.0.2
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling toml v0.4.1
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling ring v0.11.0
[INFO] [stderr]    Compiling dotter v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `open_in_place`
[INFO] [stderr]  --> src/secure.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ring::aead::{seal_in_place, open_in_place, AES_256_GCM, SealingKey};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/checkin.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 let res = fs::copy(entry.path(), item_path);
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/checkin.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 let res = fs::create_dir(item_path);
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/checkin.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let res = unix::fs::symlink(new_path, path);
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]  --> src/secure.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let res = random_nonce.fill(&mut nonce);
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/secure.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn secure(matches: &ArgMatches) {
[INFO] [stderr]   |               ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.58s
[INFO] running `"docker" "inspect" "bbf837179a1a904a92e6cd3e0c7ad25380ac3a1ccc4efbb4854ec1f0c994d952"`
[INFO] running `"docker" "rm" "-f" "bbf837179a1a904a92e6cd3e0c7ad25380ac3a1ccc4efbb4854ec1f0c994d952"`
[INFO] [stdout] bbf837179a1a904a92e6cd3e0c7ad25380ac3a1ccc4efbb4854ec1f0c994d952
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/deecewan/dotter:/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] a2083faf3ae94b27a45ab2c2a2d457dcdad2375e5a8beaa028ea88fdf2b1527a
[INFO] running `"docker" "start" "-a" "a2083faf3ae94b27a45ab2c2a2d457dcdad2375e5a8beaa028ea88fdf2b1527a"`
[INFO] [stderr]    Compiling dotter v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `open_in_place`
[INFO] [stderr]  --> src/secure.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ring::aead::{seal_in_place, open_in_place, AES_256_GCM, SealingKey};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/checkin.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 let res = fs::copy(entry.path(), item_path);
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/checkin.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 let res = fs::create_dir(item_path);
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/checkin.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let res = unix::fs::symlink(new_path, path);
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]  --> src/secure.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let res = random_nonce.fill(&mut nonce);
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/secure.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn secure(matches: &ArgMatches) {
[INFO] [stderr]   |               ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "a2083faf3ae94b27a45ab2c2a2d457dcdad2375e5a8beaa028ea88fdf2b1527a"`
[INFO] running `"docker" "rm" "-f" "a2083faf3ae94b27a45ab2c2a2d457dcdad2375e5a8beaa028ea88fdf2b1527a"`
[INFO] [stdout] a2083faf3ae94b27a45ab2c2a2d457dcdad2375e5a8beaa028ea88fdf2b1527a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/deecewan/dotter:/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] 152019d460e998d1720fe7c13b9868abeeeef186e9ca79bc2add624cd3d8c4d5
[INFO] running `"docker" "start" "-a" "152019d460e998d1720fe7c13b9868abeeeef186e9ca79bc2add624cd3d8c4d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dotter-64f5f2f39688e28e
[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" "152019d460e998d1720fe7c13b9868abeeeef186e9ca79bc2add624cd3d8c4d5"`
[INFO] running `"docker" "rm" "-f" "152019d460e998d1720fe7c13b9868abeeeef186e9ca79bc2add624cd3d8c4d5"`
[INFO] [stdout] 152019d460e998d1720fe7c13b9868abeeeef186e9ca79bc2add624cd3d8c4d5