Nov 30 20:25:56.757 INFO checking keep-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 20:25:56.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 20:25:56.932 INFO [stdout] 61e55e36dd70b131f7b243e9721727b39993920178972eca350a1b8db2eabb20
Nov 30 20:25:56.934 INFO running `"docker" "start" "-a" "61e55e36dd70b131f7b243e9721727b39993920178972eca350a1b8db2eabb20"`
Nov 30 20:25:57.540 INFO [stderr] usermod: no changes
Nov 30 20:25:57.663 INFO [stderr]     Checking libssh2-sys v0.2.11
Nov 30 20:25:57.689 INFO [stderr]     Checking curl-sys v0.4.15
Nov 30 20:25:58.376 INFO [stderr]     Checking libgit2-sys v0.7.10
Nov 30 20:25:59.303 INFO [stderr]     Checking git2 v0.7.5
Nov 30 20:26:03.612 INFO [stderr]     Checking keep v0.1.0 (/source)
Nov 30 20:26:05.676 INFO [stderr] warning: unused variable: `e`
Nov 30 20:26:05.676 INFO [stderr]   --> src/lib.rs:29:17
Nov 30 20:26:05.676 INFO [stderr]    |
Nov 30 20:26:05.676 INFO [stderr] 29 |             Err(e) => {
Nov 30 20:26:05.676 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 30 20:26:05.676 INFO [stderr]    |
Nov 30 20:26:05.676 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 20:26:05.676 INFO [stderr] 
Nov 30 20:26:05.676 INFO [stderr] warning: unused variable: `reference`
Nov 30 20:26:05.676 INFO [stderr]    --> src/lib.rs:178:13
Nov 30 20:26:05.676 INFO [stderr]     |
Nov 30 20:26:05.676 INFO [stderr] 178 |         let reference = Some("HEAD");
Nov 30 20:26:05.676 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Nov 30 20:26:05.676 INFO [stderr] 
Nov 30 20:26:06.029 INFO [stderr] warning: unused variable: `src`
Nov 30 20:26:06.029 INFO [stderr]    --> src/lib.rs:201:13
Nov 30 20:26:06.029 INFO [stderr]     |
Nov 30 20:26:06.029 INFO [stderr] 201 |         let src = Path::new("samples");
Nov 30 20:26:06.029 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Nov 30 20:26:06.029 INFO [stderr]     |
Nov 30 20:26:06.029 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 20:26:06.029 INFO [stderr] 
Nov 30 20:26:06.029 INFO [stderr] warning: unused variable: `e`
Nov 30 20:26:06.029 INFO [stderr]   --> src/lib.rs:29:17
Nov 30 20:26:06.029 INFO [stderr]    |
Nov 30 20:26:06.029 INFO [stderr] 29 |             Err(e) => {
Nov 30 20:26:06.029 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 30 20:26:06.029 INFO [stderr] 
Nov 30 20:26:06.029 INFO [stderr] warning: unused variable: `reference`
Nov 30 20:26:06.029 INFO [stderr]    --> src/lib.rs:178:13
Nov 30 20:26:06.029 INFO [stderr]     |
Nov 30 20:26:06.029 INFO [stderr] 178 |         let reference = Some("HEAD");
Nov 30 20:26:06.029 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Nov 30 20:26:06.029 INFO [stderr] 
Nov 30 20:26:06.098 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.52s
Nov 30 20:26:06.104 INFO [stderr] su: No module specific data is present
Nov 30 20:26:06.496 INFO running `"docker" "inspect" "61e55e36dd70b131f7b243e9721727b39993920178972eca350a1b8db2eabb20"`
Nov 30 20:26:06.588 INFO running `"docker" "rm" "-f" "61e55e36dd70b131f7b243e9721727b39993920178972eca350a1b8db2eabb20"`
Nov 30 20:26:06.744 INFO [stdout] 61e55e36dd70b131f7b243e9721727b39993920178972eca350a1b8db2eabb20