[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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/deecewan/dotter"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/deecewan/dotter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deecewan/dotter" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/deecewan/dotter"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of deecewan/dotter on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/deecewan/dotter/Cargo.toml
[INFO] crate deecewan/dotter has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing deecewan/dotter against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 1b6d842835126f1587f9101ccfac08fca26d11b76fddde202592e3749ab272ad
[INFO] running `"docker" "start" "-a" "1b6d842835126f1587f9101ccfac08fca26d11b76fddde202592e3749ab272ad"`
[INFO] [stderr]    Compiling rayon-core v1.0.2
[INFO] [stderr]    Compiling gcc v0.3.50
[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 24.43s
[INFO] running `"docker" "inspect" "1b6d842835126f1587f9101ccfac08fca26d11b76fddde202592e3749ab272ad"`
[INFO] running `"docker" "rm" "-f" "1b6d842835126f1587f9101ccfac08fca26d11b76fddde202592e3749ab272ad"`
[INFO] [stdout] 1b6d842835126f1587f9101ccfac08fca26d11b76fddde202592e3749ab272ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 12c5ef311c405a6ac801ad3672d84dd32e9b4b604edf8bd7abb41b30485dc90c
[INFO] running `"docker" "start" "-a" "12c5ef311c405a6ac801ad3672d84dd32e9b4b604edf8bd7abb41b30485dc90c"`
[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 0.62s
[INFO] running `"docker" "inspect" "12c5ef311c405a6ac801ad3672d84dd32e9b4b604edf8bd7abb41b30485dc90c"`
[INFO] running `"docker" "rm" "-f" "12c5ef311c405a6ac801ad3672d84dd32e9b4b604edf8bd7abb41b30485dc90c"`
[INFO] [stdout] 12c5ef311c405a6ac801ad3672d84dd32e9b4b604edf8bd7abb41b30485dc90c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 7c4194919f9d8660bdd229615af9bbd315ce2b2880ee6eee9cc28d8af3021f95
[INFO] running `"docker" "start" "-a" "7c4194919f9d8660bdd229615af9bbd315ce2b2880ee6eee9cc28d8af3021f95"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dotter-a9040354ccb22f75
[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" "7c4194919f9d8660bdd229615af9bbd315ce2b2880ee6eee9cc28d8af3021f95"`
[INFO] running `"docker" "rm" "-f" "7c4194919f9d8660bdd229615af9bbd315ce2b2880ee6eee9cc28d8af3021f95"`
[INFO] [stdout] 7c4194919f9d8660bdd229615af9bbd315ce2b2880ee6eee9cc28d8af3021f95