Dec 11 11:47:00.725 INFO checking piot/git-backup against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 11:47:00.725 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11:47:01.272 INFO [stdout] 7ba0f9b0cfaf788f90274afe36bcdb1ce22effae2fa385e08fd27703b07731ec
Dec 11 11:47:01.278 INFO running `"docker" "start" "-a" "7ba0f9b0cfaf788f90274afe36bcdb1ce22effae2fa385e08fd27703b07731ec"`
Dec 11 11:47:02.759 INFO [stderr] usermod: no changes
Dec 11 11:47:02.921 INFO [stderr]     Checking serde v1.0.55
Dec 11 11:47:02.921 INFO [stderr]     Checking pad v0.1.5
Dec 11 11:47:02.925 INFO [stderr]    Compiling structopt-derive v0.2.8
Dec 11 11:47:02.925 INFO [stderr]    Compiling serde_derive v1.0.55
Dec 11 11:47:11.471 INFO [stderr]     Checking structopt v0.2.8
Dec 11 11:47:24.236 INFO [stderr]     Checking serde_json v1.0.17
Dec 11 11:47:26.676 INFO [stderr]     Checking git-backup v0.1.1 (/source)
Dec 11 11:47:27.740 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 11:47:27.740 INFO [stderr]   --> src/main.rs:31:1
Dec 11 11:47:27.740 INFO [stderr]    |
Dec 11 11:47:27.740 INFO [stderr] 31 | #[macro_use]
Dec 11 11:47:27.740 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 11:47:27.740 INFO [stderr]    |
Dec 11 11:47:27.740 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 11:47:27.740 INFO [stderr] 
Dec 11 11:47:27.768 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 11:47:27.768 INFO [stderr]   --> src/main.rs:31:1
Dec 11 11:47:27.768 INFO [stderr]    |
Dec 11 11:47:27.768 INFO [stderr] 31 | #[macro_use]
Dec 11 11:47:27.768 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 11:47:27.768 INFO [stderr]    |
Dec 11 11:47:27.768 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 11:47:27.768 INFO [stderr] 
Dec 11 11:47:27.776 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 11 11:47:27.776 INFO [stderr]    --> src/main.rs:183:13
Dec 11 11:47:27.776 INFO [stderr]     |
Dec 11 11:47:27.776 INFO [stderr] 183 |             env::home_dir().unwrap().to_str().unwrap()
Dec 11 11:47:27.776 INFO [stderr]     |             ^^^^^^^^^^^^^
Dec 11 11:47:27.776 INFO [stderr]     |
Dec 11 11:47:27.776 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 11 11:47:27.776 INFO [stderr] 
Dec 11 11:47:27.796 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 11 11:47:27.796 INFO [stderr]    --> src/main.rs:183:13
Dec 11 11:47:27.796 INFO [stderr]     |
Dec 11 11:47:27.796 INFO [stderr] 183 |             env::home_dir().unwrap().to_str().unwrap()
Dec 11 11:47:27.796 INFO [stderr]     |             ^^^^^^^^^^^^^
Dec 11 11:47:27.796 INFO [stderr]     |
Dec 11 11:47:27.796 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 11 11:47:27.796 INFO [stderr] 
Dec 11 11:47:28.109 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.32s
Dec 11 11:47:28.114 INFO [stderr] su: No module specific data is present
Dec 11 11:47:29.102 INFO running `"docker" "inspect" "7ba0f9b0cfaf788f90274afe36bcdb1ce22effae2fa385e08fd27703b07731ec"`
Dec 11 11:47:29.416 INFO running `"docker" "rm" "-f" "7ba0f9b0cfaf788f90274afe36bcdb1ce22effae2fa385e08fd27703b07731ec"`
Dec 11 11:47:29.740 INFO [stdout] 7ba0f9b0cfaf788f90274afe36bcdb1ce22effae2fa385e08fd27703b07731ec