Dec 12 14:28:12.017 INFO checking gitclass-0.8.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 14:28:12.017 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 12 14:28:12.362 INFO [stdout] 01ba8ce0bcca309d50123c48a03c7c3df0bc0da80ff2ee04f1620cb09cbc198d
Dec 12 14:28:12.372 INFO running `"docker" "start" "-a" "01ba8ce0bcca309d50123c48a03c7c3df0bc0da80ff2ee04f1620cb09cbc198d"`
Dec 12 14:28:13.582 INFO [stderr] usermod: no changes
Dec 12 14:28:13.811 INFO [stderr]     Checking gitclass v0.8.0 (/source)
Dec 12 14:28:16.076 INFO [stderr] warning: unused variable: `e`
Dec 12 14:28:16.076 INFO [stderr]    --> src/lib.rs:182:13
Dec 12 14:28:16.076 INFO [stderr]     |
Dec 12 14:28:16.076 INFO [stderr] 182 |         Err(e) => panic!("Couldn't open 'master' branch")
Dec 12 14:28:16.076 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 12 14:28:16.076 INFO [stderr]     |
Dec 12 14:28:16.076 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 14:28:16.076 INFO [stderr] 
Dec 12 14:28:16.076 INFO [stderr] warning: unused variable: `latest_obj`
Dec 12 14:28:16.076 INFO [stderr]    --> src/lib.rs:195:9
Dec 12 14:28:16.076 INFO [stderr]     |
Dec 12 14:28:16.076 INFO [stderr] 195 |     let latest_obj = repo.revparse_single("HEAD").ok();
Dec 12 14:28:16.076 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_latest_obj` instead
Dec 12 14:28:16.076 INFO [stderr] 
Dec 12 14:28:16.076 INFO [stderr] warning: unused variable: `e`
Dec 12 14:28:16.076 INFO [stderr]    --> src/lib.rs:198:13
Dec 12 14:28:16.076 INFO [stderr]     |
Dec 12 14:28:16.076 INFO [stderr] 198 |         Err(e) => panic!("Couldn't find the remote ref")
Dec 12 14:28:16.076 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 12 14:28:16.076 INFO [stderr] 
Dec 12 14:28:16.102 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:28:16.102 INFO [stderr]   --> src/lib.rs:83:9
Dec 12 14:28:16.102 INFO [stderr]    |
Dec 12 14:28:16.102 INFO [stderr] 83 |         set_current_dir(name);
Dec 12 14:28:16.103 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:28:16.103 INFO [stderr]    |
Dec 12 14:28:16.103 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 14:28:16.103 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:28:16.103 INFO [stderr] 
Dec 12 14:28:16.103 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:28:16.103 INFO [stderr]    --> src/lib.rs:201:5
Dec 12 14:28:16.103 INFO [stderr]     |
Dec 12 14:28:16.103 INFO [stderr] 201 | /     repo.reset(&remote_obj,
Dec 12 14:28:16.103 INFO [stderr] 202 | |     git2::ResetType::Hard,
Dec 12 14:28:16.103 INFO [stderr] 203 | |     Some(git2::build::CheckoutBuilder::new()
Dec 12 14:28:16.103 INFO [stderr] 204 | |         .force()
Dec 12 14:28:16.103 INFO [stderr] 205 | |         .remove_untracked(true)
Dec 12 14:28:16.103 INFO [stderr] 206 | |     ));
Dec 12 14:28:16.103 INFO [stderr]     | |_______^
Dec 12 14:28:16.103 INFO [stderr]     |
Dec 12 14:28:16.103 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:28:16.103 INFO [stderr] 
Dec 12 14:28:16.876 INFO [stderr] warning: unused variable: `e`
Dec 12 14:28:16.876 INFO [stderr]    --> src/lib.rs:182:13
Dec 12 14:28:16.876 INFO [stderr]     |
Dec 12 14:28:16.876 INFO [stderr] 182 |         Err(e) => panic!("Couldn't open 'master' branch")
Dec 12 14:28:16.876 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 12 14:28:16.876 INFO [stderr]     |
Dec 12 14:28:16.876 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 14:28:16.876 INFO [stderr] 
Dec 12 14:28:16.876 INFO [stderr] warning: unused variable: `latest_obj`
Dec 12 14:28:16.876 INFO [stderr]    --> src/lib.rs:195:9
Dec 12 14:28:16.876 INFO [stderr]     |
Dec 12 14:28:16.876 INFO [stderr] 195 |     let latest_obj = repo.revparse_single("HEAD").ok();
Dec 12 14:28:16.876 INFO [stderr]     |         ^^^^^^^^^^ help: consider using `_latest_obj` instead
Dec 12 14:28:16.876 INFO [stderr] 
Dec 12 14:28:16.876 INFO [stderr] warning: unused variable: `e`
Dec 12 14:28:16.876 INFO [stderr]    --> src/lib.rs:198:13
Dec 12 14:28:16.876 INFO [stderr]     |
Dec 12 14:28:16.876 INFO [stderr] 198 |         Err(e) => panic!("Couldn't find the remote ref")
Dec 12 14:28:16.876 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 12 14:28:16.876 INFO [stderr] 
Dec 12 14:28:16.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:28:16.996 INFO [stderr]   --> src/lib.rs:83:9
Dec 12 14:28:16.996 INFO [stderr]    |
Dec 12 14:28:16.996 INFO [stderr] 83 |         set_current_dir(name);
Dec 12 14:28:16.996 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:28:16.996 INFO [stderr]    |
Dec 12 14:28:16.996 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 14:28:16.996 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:28:16.996 INFO [stderr] 
Dec 12 14:28:16.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:28:16.996 INFO [stderr]    --> src/lib.rs:201:5
Dec 12 14:28:16.996 INFO [stderr]     |
Dec 12 14:28:16.996 INFO [stderr] 201 | /     repo.reset(&remote_obj,
Dec 12 14:28:16.996 INFO [stderr] 202 | |     git2::ResetType::Hard,
Dec 12 14:28:16.996 INFO [stderr] 203 | |     Some(git2::build::CheckoutBuilder::new()
Dec 12 14:28:16.996 INFO [stderr] 204 | |         .force()
Dec 12 14:28:16.996 INFO [stderr] 205 | |         .remove_untracked(true)
Dec 12 14:28:16.996 INFO [stderr] 206 | |     ));
Dec 12 14:28:16.996 INFO [stderr]     | |_______^
Dec 12 14:28:16.996 INFO [stderr]     |
Dec 12 14:28:16.996 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:28:16.996 INFO [stderr] 
Dec 12 14:28:20.276 INFO [stderr] warning: unused variable: `init_m`
Dec 12 14:28:20.276 INFO [stderr]   --> src/main.rs:16:17
Dec 12 14:28:20.276 INFO [stderr]    |
Dec 12 14:28:20.276 INFO [stderr] 16 |     if let Some(init_m) = matches.subcommand_matches("init") {
Dec 12 14:28:20.276 INFO [stderr]    |                 ^^^^^^ help: consider using `_init_m` instead
Dec 12 14:28:20.276 INFO [stderr]    |
Dec 12 14:28:20.276 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 14:28:20.276 INFO [stderr] 
Dec 12 14:28:20.276 INFO [stderr] warning: unused variable: `add_m`
Dec 12 14:28:20.276 INFO [stderr]   --> src/main.rs:19:17
Dec 12 14:28:20.276 INFO [stderr]    |
Dec 12 14:28:20.276 INFO [stderr] 19 |     if let Some(add_m) = matches.subcommand_matches("add") {
Dec 12 14:28:20.276 INFO [stderr]    |                 ^^^^^ help: consider using `_add_m` instead
Dec 12 14:28:20.276 INFO [stderr] 
Dec 12 14:28:20.276 INFO [stderr] warning: unused variable: `up_m`
Dec 12 14:28:20.276 INFO [stderr]   --> src/main.rs:28:17
Dec 12 14:28:20.276 INFO [stderr]    |
Dec 12 14:28:20.276 INFO [stderr] 28 |     if let Some(up_m) = matches.subcommand_matches("update") {
Dec 12 14:28:20.276 INFO [stderr]    |                 ^^^^ help: consider using `_up_m` instead
Dec 12 14:28:20.276 INFO [stderr] 
Dec 12 14:28:20.395 INFO [stderr] warning: unused variable: `init_m`
Dec 12 14:28:20.395 INFO [stderr]   --> src/main.rs:16:17
Dec 12 14:28:20.395 INFO [stderr]    |
Dec 12 14:28:20.395 INFO [stderr] 16 |     if let Some(init_m) = matches.subcommand_matches("init") {
Dec 12 14:28:20.395 INFO [stderr]    |                 ^^^^^^ help: consider using `_init_m` instead
Dec 12 14:28:20.396 INFO [stderr]    |
Dec 12 14:28:20.396 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 14:28:20.396 INFO [stderr] 
Dec 12 14:28:20.396 INFO [stderr] warning: unused variable: `add_m`
Dec 12 14:28:20.396 INFO [stderr]   --> src/main.rs:19:17
Dec 12 14:28:20.396 INFO [stderr]    |
Dec 12 14:28:20.396 INFO [stderr] 19 |     if let Some(add_m) = matches.subcommand_matches("add") {
Dec 12 14:28:20.396 INFO [stderr]    |                 ^^^^^ help: consider using `_add_m` instead
Dec 12 14:28:20.396 INFO [stderr] 
Dec 12 14:28:20.396 INFO [stderr] warning: unused variable: `up_m`
Dec 12 14:28:20.396 INFO [stderr]   --> src/main.rs:28:17
Dec 12 14:28:20.396 INFO [stderr]    |
Dec 12 14:28:20.396 INFO [stderr] 28 |     if let Some(up_m) = matches.subcommand_matches("update") {
Dec 12 14:28:20.396 INFO [stderr]    |                 ^^^^ help: consider using `_up_m` instead
Dec 12 14:28:20.396 INFO [stderr] 
Dec 12 14:28:20.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
Dec 12 14:28:20.423 INFO [stderr] su: No module specific data is present
Dec 12 14:28:20.862 INFO running `"docker" "inspect" "01ba8ce0bcca309d50123c48a03c7c3df0bc0da80ff2ee04f1620cb09cbc198d"`
Dec 12 14:28:20.973 INFO running `"docker" "rm" "-f" "01ba8ce0bcca309d50123c48a03c7c3df0bc0da80ff2ee04f1620cb09cbc198d"`
Dec 12 14:28:21.073 INFO [stdout] 01ba8ce0bcca309d50123c48a03c7c3df0bc0da80ff2ee04f1620cb09cbc198d