[INFO] updating cached repository emgyrz/test_rust_libgit2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emgyrz/test_rust_libgit2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emgyrz/test_rust_libgit2" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/emgyrz/test_rust_libgit2"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/emgyrz/test_rust_libgit2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emgyrz/test_rust_libgit2" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/emgyrz/test_rust_libgit2"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/emgyrz/test_rust_libgit2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da40c94986ab3ac0ace7aa9f8800ecfcf5c15ac6
[INFO] sha for GitHub repo emgyrz/test_rust_libgit2: da40c94986ab3ac0ace7aa9f8800ecfcf5c15ac6
[INFO] validating manifest of emgyrz/test_rust_libgit2 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emgyrz/test_rust_libgit2 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emgyrz/test_rust_libgit2
[INFO] finished frobbing emgyrz/test_rust_libgit2
[INFO] frobbed toml for emgyrz/test_rust_libgit2 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/emgyrz/test_rust_libgit2/Cargo.toml
[INFO] started frobbing emgyrz/test_rust_libgit2
[INFO] finished frobbing emgyrz/test_rust_libgit2
[INFO] frobbed toml for emgyrz/test_rust_libgit2 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/emgyrz/test_rust_libgit2/Cargo.toml
[INFO] crate emgyrz/test_rust_libgit2 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking emgyrz/test_rust_libgit2 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/emgyrz/test_rust_libgit2:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c059a6e22e34eb6490b99fff375a41ddd12586dcd672e112a1d74acb470e10d7
[INFO] running `"docker" "start" "-a" "c059a6e22e34eb6490b99fff375a41ddd12586dcd672e112a1d74acb470e10d7"`
[INFO] [stderr]    Compiling curl-sys v0.4.12
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking dialoguer v0.1.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking depl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `SECOND_BRANCH_NAME`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const SECOND_BRANCH_NAME: &str = "second_branch";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `checkout_b`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn checkout_b( repo: &Repository, branch_name: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SECOND_BRANCH_NAME`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const SECOND_BRANCH_NAME: &str = "second_branch";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `checkout_b`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn checkout_b( repo: &Repository, branch_name: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.46s
[INFO] running `"docker" "inspect" "c059a6e22e34eb6490b99fff375a41ddd12586dcd672e112a1d74acb470e10d7"`
[INFO] running `"docker" "rm" "-f" "c059a6e22e34eb6490b99fff375a41ddd12586dcd672e112a1d74acb470e10d7"`
[INFO] [stdout] c059a6e22e34eb6490b99fff375a41ddd12586dcd672e112a1d74acb470e10d7