Dec 19 15:26:59.130 INFO checking jakubdibala/gf against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:26:59.131 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jakubdibala/gf:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:26:59.333 INFO [stdout] b92983a93a2cf6edc135ef41b637b3baefa59abd7724ae2ad28f8a3e591fd104
Dec 19 15:26:59.335 INFO running `"docker" "start" "-a" "b92983a93a2cf6edc135ef41b637b3baefa59abd7724ae2ad28f8a3e591fd104"`
Dec 19 15:27:00.016 INFO [stderr]     Checking gf v0.1.0 (/opt/crater/workdir)
Dec 19 15:27:00.480 INFO [stderr] warning: unused import: `SubCommand`
Dec 19 15:27:00.480 INFO [stderr]  --> src/main.rs:7:22
Dec 19 15:27:00.480 INFO [stderr]   |
Dec 19 15:27:00.480 INFO [stderr] 7 | use clap::{Arg, App, SubCommand};
Dec 19 15:27:00.480 INFO [stderr]   |                      ^^^^^^^^^^
Dec 19 15:27:00.480 INFO [stderr]   |
Dec 19 15:27:00.480 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:27:00.480 INFO [stderr] 
Dec 19 15:27:00.515 INFO [stderr] warning: unused import: `SubCommand`
Dec 19 15:27:00.515 INFO [stderr]  --> src/main.rs:7:22
Dec 19 15:27:00.515 INFO [stderr]   |
Dec 19 15:27:00.515 INFO [stderr] 7 | use clap::{Arg, App, SubCommand};
Dec 19 15:27:00.515 INFO [stderr]   |                      ^^^^^^^^^^
Dec 19 15:27:00.515 INFO [stderr]   |
Dec 19 15:27:00.515 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:27:00.515 INFO [stderr] 
Dec 19 15:27:00.565 INFO [stderr] warning: unused variable: `repo`
Dec 19 15:27:00.565 INFO [stderr]   --> src/main.rs:26:9
Dec 19 15:27:00.565 INFO [stderr]    |
Dec 19 15:27:00.565 INFO [stderr] 26 |     let repo = match git2::Repository::open(Path::new(REPO_PATH)) {
Dec 19 15:27:00.565 INFO [stderr]    |         ^^^^ help: consider using `_repo` instead
Dec 19 15:27:00.565 INFO [stderr]    |
Dec 19 15:27:00.565 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:27:00.565 INFO [stderr] 
Dec 19 15:27:00.574 INFO [stderr] warning: unused variable: `repo`
Dec 19 15:27:00.574 INFO [stderr]   --> src/main.rs:26:9
Dec 19 15:27:00.574 INFO [stderr]    |
Dec 19 15:27:00.574 INFO [stderr] 26 |     let repo = match git2::Repository::open(Path::new(REPO_PATH)) {
Dec 19 15:27:00.574 INFO [stderr]    |         ^^^^ help: consider using `_repo` instead
Dec 19 15:27:00.574 INFO [stderr]    |
Dec 19 15:27:00.574 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:27:00.574 INFO [stderr] 
Dec 19 15:27:00.596 INFO [stderr] warning: struct is never constructed: `Branch`
Dec 19 15:27:00.596 INFO [stderr]  --> src/repository.rs:4:1
Dec 19 15:27:00.596 INFO [stderr]   |
Dec 19 15:27:00.596 INFO [stderr] 4 | pub struct Branch {
Dec 19 15:27:00.596 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 19 15:27:00.596 INFO [stderr]   |
Dec 19 15:27:00.596 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:27:00.596 INFO [stderr] 
Dec 19 15:27:00.596 INFO [stderr] warning: function is never used: `branch_list`
Dec 19 15:27:00.596 INFO [stderr]   --> src/repository.rs:13:1
Dec 19 15:27:00.596 INFO [stderr]    |
Dec 19 15:27:00.596 INFO [stderr] 13 | pub fn branch_list(r: git2::Repository) -> Vec<Branch> {
Dec 19 15:27:00.596 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:00.596 INFO [stderr] 
Dec 19 15:27:00.596 INFO [stderr] warning: function is never used: `current_branch`
Dec 19 15:27:00.596 INFO [stderr]   --> src/repository.rs:36:1
Dec 19 15:27:00.596 INFO [stderr]    |
Dec 19 15:27:00.596 INFO [stderr] 36 | pub fn current_branch(r: git2::Repository) -> String {
Dec 19 15:27:00.596 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:00.596 INFO [stderr] 
Dec 19 15:27:00.596 INFO [stderr] warning: struct is never constructed: `Branch`
Dec 19 15:27:00.596 INFO [stderr]  --> src/repository.rs:4:1
Dec 19 15:27:00.596 INFO [stderr]   |
Dec 19 15:27:00.596 INFO [stderr] 4 | pub struct Branch {
Dec 19 15:27:00.596 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 19 15:27:00.596 INFO [stderr]   |
Dec 19 15:27:00.596 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:27:00.596 INFO [stderr] 
Dec 19 15:27:00.596 INFO [stderr] warning: function is never used: `branch_list`
Dec 19 15:27:00.596 INFO [stderr]   --> src/repository.rs:13:1
Dec 19 15:27:00.596 INFO [stderr]    |
Dec 19 15:27:00.596 INFO [stderr] 13 | pub fn branch_list(r: git2::Repository) -> Vec<Branch> {
Dec 19 15:27:00.596 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:00.596 INFO [stderr] 
Dec 19 15:27:00.596 INFO [stderr] warning: function is never used: `current_branch`
Dec 19 15:27:00.596 INFO [stderr]   --> src/repository.rs:36:1
Dec 19 15:27:00.596 INFO [stderr]    |
Dec 19 15:27:00.596 INFO [stderr] 36 | pub fn current_branch(r: git2::Repository) -> String {
Dec 19 15:27:00.596 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:27:00.596 INFO [stderr] 
Dec 19 15:27:00.625 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 19 15:27:00.941 INFO running `"docker" "inspect" "b92983a93a2cf6edc135ef41b637b3baefa59abd7724ae2ad28f8a3e591fd104"`
Dec 19 15:27:01.050 INFO running `"docker" "rm" "-f" "b92983a93a2cf6edc135ef41b637b3baefa59abd7724ae2ad28f8a3e591fd104"`
Dec 19 15:27:01.211 INFO [stdout] b92983a93a2cf6edc135ef41b637b3baefa59abd7724ae2ad28f8a3e591fd104