Dec 11 19:52:06.017 INFO checking deecewan/dotter against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 19:52:06.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 19:52:06.665 INFO [stdout] 15b26304acc2a6306358d2507d932e235e696dc6fa8053546d93b0bb71ce860f
Dec 11 19:52:06.667 INFO running `"docker" "start" "-a" "15b26304acc2a6306358d2507d932e235e696dc6fa8053546d93b0bb71ce860f"`
Dec 11 19:52:08.763 INFO [stderr] usermod: no changes
Dec 11 19:52:08.870 INFO [stderr]    Compiling num_cpus v1.5.1
Dec 11 19:52:08.876 INFO [stderr]     Checking clap v2.24.2
Dec 11 19:52:10.737 INFO [stderr]    Compiling rayon-core v1.0.2
Dec 11 19:52:13.254 INFO [stderr]    Compiling rayon v0.7.1
Dec 11 19:52:16.653 INFO [stderr]    Compiling ring v0.11.0
Dec 11 19:52:23.378 INFO [stderr]     Checking dotter v0.0.1 (/source)
Dec 11 19:52:24.484 INFO [stderr] warning: unused import: `open_in_place`
Dec 11 19:52:24.484 INFO [stderr]  --> src/secure.rs:1:33
Dec 11 19:52:24.484 INFO [stderr]   |
Dec 11 19:52:24.484 INFO [stderr] 1 | use ring::aead::{seal_in_place, open_in_place, AES_256_GCM, SealingKey};
Dec 11 19:52:24.484 INFO [stderr]   |                                 ^^^^^^^^^^^^^
Dec 11 19:52:24.484 INFO [stderr]   |
Dec 11 19:52:24.484 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:52:24.484 INFO [stderr] 
Dec 11 19:52:24.516 INFO [stderr] warning: unused import: `open_in_place`
Dec 11 19:52:24.517 INFO [stderr]  --> src/secure.rs:1:33
Dec 11 19:52:24.517 INFO [stderr]   |
Dec 11 19:52:24.517 INFO [stderr] 1 | use ring::aead::{seal_in_place, open_in_place, AES_256_GCM, SealingKey};
Dec 11 19:52:24.517 INFO [stderr]   |                                 ^^^^^^^^^^^^^
Dec 11 19:52:24.518 INFO [stderr]   |
Dec 11 19:52:24.518 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:52:24.518 INFO [stderr] 
Dec 11 19:52:24.651 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.651 INFO [stderr]    --> src/checkin.rs:106:21
Dec 11 19:52:24.651 INFO [stderr]     |
Dec 11 19:52:24.651 INFO [stderr] 106 |                 let res = fs::copy(entry.path(), item_path);
Dec 11 19:52:24.651 INFO [stderr]     |                     ^^^ help: consider using `_res` instead
Dec 11 19:52:24.668 INFO [stderr]     |
Dec 11 19:52:24.668 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 19:52:24.668 INFO [stderr] 
Dec 11 19:52:24.669 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.669 INFO [stderr]    --> src/checkin.rs:108:21
Dec 11 19:52:24.669 INFO [stderr]     |
Dec 11 19:52:24.669 INFO [stderr] 108 |                 let res = fs::create_dir(item_path);
Dec 11 19:52:24.669 INFO [stderr]     |                     ^^^ help: consider using `_res` instead
Dec 11 19:52:24.669 INFO [stderr] 
Dec 11 19:52:24.669 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.669 INFO [stderr]    --> src/checkin.rs:134:9
Dec 11 19:52:24.670 INFO [stderr]     |
Dec 11 19:52:24.670 INFO [stderr] 134 |     let res = unix::fs::symlink(new_path, path);
Dec 11 19:52:24.670 INFO [stderr]     |         ^^^ help: consider using `_res` instead
Dec 11 19:52:24.670 INFO [stderr] 
Dec 11 19:52:24.670 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.670 INFO [stderr]  --> src/secure.rs:9:9
Dec 11 19:52:24.670 INFO [stderr]   |
Dec 11 19:52:24.670 INFO [stderr] 9 |     let res = random_nonce.fill(&mut nonce);
Dec 11 19:52:24.670 INFO [stderr]   |         ^^^ help: consider using `_res` instead
Dec 11 19:52:24.670 INFO [stderr] 
Dec 11 19:52:24.670 INFO [stderr] warning: unused variable: `matches`
Dec 11 19:52:24.670 INFO [stderr]  --> src/secure.rs:5:15
Dec 11 19:52:24.670 INFO [stderr]   |
Dec 11 19:52:24.670 INFO [stderr] 5 | pub fn secure(matches: &ArgMatches) {
Dec 11 19:52:24.670 INFO [stderr]   |               ^^^^^^^ help: consider using `_matches` instead
Dec 11 19:52:24.670 INFO [stderr] 
Dec 11 19:52:24.716 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.717 INFO [stderr]    --> src/checkin.rs:106:21
Dec 11 19:52:24.717 INFO [stderr]     |
Dec 11 19:52:24.717 INFO [stderr] 106 |                 let res = fs::copy(entry.path(), item_path);
Dec 11 19:52:24.717 INFO [stderr]     |                     ^^^ help: consider using `_res` instead
Dec 11 19:52:24.717 INFO [stderr]     |
Dec 11 19:52:24.717 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 19:52:24.717 INFO [stderr] 
Dec 11 19:52:24.717 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.717 INFO [stderr]    --> src/checkin.rs:108:21
Dec 11 19:52:24.717 INFO [stderr]     |
Dec 11 19:52:24.717 INFO [stderr] 108 |                 let res = fs::create_dir(item_path);
Dec 11 19:52:24.717 INFO [stderr]     |                     ^^^ help: consider using `_res` instead
Dec 11 19:52:24.717 INFO [stderr] 
Dec 11 19:52:24.717 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.717 INFO [stderr]    --> src/checkin.rs:134:9
Dec 11 19:52:24.717 INFO [stderr]     |
Dec 11 19:52:24.717 INFO [stderr] 134 |     let res = unix::fs::symlink(new_path, path);
Dec 11 19:52:24.717 INFO [stderr]     |         ^^^ help: consider using `_res` instead
Dec 11 19:52:24.717 INFO [stderr] 
Dec 11 19:52:24.717 INFO [stderr] warning: unused variable: `res`
Dec 11 19:52:24.717 INFO [stderr]  --> src/secure.rs:9:9
Dec 11 19:52:24.717 INFO [stderr]   |
Dec 11 19:52:24.717 INFO [stderr] 9 |     let res = random_nonce.fill(&mut nonce);
Dec 11 19:52:24.717 INFO [stderr]   |         ^^^ help: consider using `_res` instead
Dec 11 19:52:24.718 INFO [stderr] 
Dec 11 19:52:24.718 INFO [stderr] warning: unused variable: `matches`
Dec 11 19:52:24.718 INFO [stderr]  --> src/secure.rs:5:15
Dec 11 19:52:24.718 INFO [stderr]   |
Dec 11 19:52:24.718 INFO [stderr] 5 | pub fn secure(matches: &ArgMatches) {
Dec 11 19:52:24.718 INFO [stderr]   |               ^^^^^^^ help: consider using `_matches` instead
Dec 11 19:52:24.718 INFO [stderr] 
Dec 11 19:52:24.794 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.00s
Dec 11 19:52:24.800 INFO [stderr] su: No module specific data is present
Dec 11 19:52:26.039 INFO running `"docker" "inspect" "15b26304acc2a6306358d2507d932e235e696dc6fa8053546d93b0bb71ce860f"`
Dec 11 19:52:26.286 INFO running `"docker" "rm" "-f" "15b26304acc2a6306358d2507d932e235e696dc6fa8053546d93b0bb71ce860f"`
Dec 11 19:52:26.652 INFO [stdout] 15b26304acc2a6306358d2507d932e235e696dc6fa8053546d93b0bb71ce860f