Dec 15 06:53:39.039 INFO testing keep-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 06:53:39.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 15 06:53:39.214 INFO [stdout] fad2b69fa6b0ba0e2e2e712293a4bad9f412d956ba402498ba34ad04b62b0d64
Dec 15 06:53:39.216 INFO running `"docker" "start" "-a" "fad2b69fa6b0ba0e2e2e712293a4bad9f412d956ba402498ba34ad04b62b0d64"`
Dec 15 06:53:39.947 INFO [stderr] usermod: no changes
Dec 15 06:53:40.097 INFO [stderr]    Compiling git2 v0.7.5
Dec 15 06:53:48.499 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 15 06:53:50.553 INFO [stderr] warning: unused variable: `e`
Dec 15 06:53:50.554 INFO [stderr]   --> src/lib.rs:29:17
Dec 15 06:53:50.554 INFO [stderr]    |
Dec 15 06:53:50.554 INFO [stderr] 29 |             Err(e) => {
Dec 15 06:53:50.554 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 15 06:53:50.554 INFO [stderr]    |
Dec 15 06:53:50.554 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 06:53:50.554 INFO [stderr] 
Dec 15 06:53:50.554 INFO [stderr] warning: unused variable: `reference`
Dec 15 06:53:50.554 INFO [stderr]    --> src/lib.rs:178:13
Dec 15 06:53:50.554 INFO [stderr]     |
Dec 15 06:53:50.554 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 15 06:53:50.554 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 15 06:53:50.554 INFO [stderr] 
Dec 15 06:53:51.004 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
Dec 15 06:53:51.019 INFO [stderr] su: No module specific data is present
Dec 15 06:53:51.455 INFO running `"docker" "inspect" "fad2b69fa6b0ba0e2e2e712293a4bad9f412d956ba402498ba34ad04b62b0d64"`
Dec 15 06:53:51.597 INFO running `"docker" "rm" "-f" "fad2b69fa6b0ba0e2e2e712293a4bad9f412d956ba402498ba34ad04b62b0d64"`
Dec 15 06:53:51.691 INFO [stdout] fad2b69fa6b0ba0e2e2e712293a4bad9f412d956ba402498ba34ad04b62b0d64
Dec 15 06:53:51.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 15 06:53:51.906 INFO [stdout] 8a0fbd9a98eca2ffd63228917880786faf808ec477a79d0308b33df9aae581ff
Dec 15 06:53:51.912 INFO running `"docker" "start" "-a" "8a0fbd9a98eca2ffd63228917880786faf808ec477a79d0308b33df9aae581ff"`
Dec 15 06:53:52.420 INFO [stderr] usermod: no changes
Dec 15 06:53:52.514 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 15 06:53:54.308 INFO [stderr] warning: unused variable: `src`
Dec 15 06:53:54.309 INFO [stderr]    --> src/lib.rs:201:13
Dec 15 06:53:54.309 INFO [stderr]     |
Dec 15 06:53:54.309 INFO [stderr] 201 |         let src = Path::new("samples");
Dec 15 06:53:54.310 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Dec 15 06:53:54.310 INFO [stderr]     |
Dec 15 06:53:54.310 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 06:53:54.311 INFO [stderr] 
Dec 15 06:53:54.311 INFO [stderr] warning: unused variable: `e`
Dec 15 06:53:54.311 INFO [stderr]   --> src/lib.rs:29:17
Dec 15 06:53:54.312 INFO [stderr]    |
Dec 15 06:53:54.312 INFO [stderr] 29 |             Err(e) => {
Dec 15 06:53:54.313 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 15 06:53:54.313 INFO [stderr] 
Dec 15 06:53:54.313 INFO [stderr] warning: unused variable: `reference`
Dec 15 06:53:54.313 INFO [stderr]    --> src/lib.rs:178:13
Dec 15 06:53:54.314 INFO [stderr]     |
Dec 15 06:53:54.314 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 15 06:53:54.314 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 15 06:53:54.315 INFO [stderr] 
Dec 15 06:53:55.793 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
Dec 15 06:53:55.801 INFO [stderr] su: No module specific data is present
Dec 15 06:53:56.124 INFO running `"docker" "inspect" "8a0fbd9a98eca2ffd63228917880786faf808ec477a79d0308b33df9aae581ff"`
Dec 15 06:53:56.482 INFO running `"docker" "rm" "-f" "8a0fbd9a98eca2ffd63228917880786faf808ec477a79d0308b33df9aae581ff"`
Dec 15 06:53:56.787 INFO [stdout] 8a0fbd9a98eca2ffd63228917880786faf808ec477a79d0308b33df9aae581ff