[INFO] updating cached repository k-nasa/git-bch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/k-nasa/git-bch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/k-nasa/git-bch" "work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/git-bch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/git-bch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/k-nasa/git-bch" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/k-nasa/git-bch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/k-nasa/git-bch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe60df7e2242dd8fbbc480742a114b6008e596db
[INFO] sha for GitHub repo k-nasa/git-bch: fe60df7e2242dd8fbbc480742a114b6008e596db
[INFO] validating manifest of k-nasa/git-bch on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of k-nasa/git-bch on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing k-nasa/git-bch
[INFO] finished frobbing k-nasa/git-bch
[INFO] frobbed toml for k-nasa/git-bch written to work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/git-bch/Cargo.toml
[INFO] started frobbing k-nasa/git-bch
[INFO] finished frobbing k-nasa/git-bch
[INFO] frobbed toml for k-nasa/git-bch written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/k-nasa/git-bch/Cargo.toml
[INFO] crate k-nasa/git-bch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing k-nasa/git-bch against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/git-bch:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6d2c13a94376a3704700bbc566b539ea2f85775a4298261cc868274f547a82c0
[INFO] running `"docker" "start" "-a" "6d2c13a94376a3704700bbc566b539ea2f85775a4298261cc868274f547a82c0"`
[INFO] [stderr]    Compiling git-bch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `BranchTree`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct BranchTree {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BranchNode`
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct BranchNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "6d2c13a94376a3704700bbc566b539ea2f85775a4298261cc868274f547a82c0"`
[INFO] running `"docker" "rm" "-f" "6d2c13a94376a3704700bbc566b539ea2f85775a4298261cc868274f547a82c0"`
[INFO] [stdout] 6d2c13a94376a3704700bbc566b539ea2f85775a4298261cc868274f547a82c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/git-bch:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9c8f46b2e368c38ceae26d23e9542829c0faf19add402a4723c24fae0aab843
[INFO] running `"docker" "start" "-a" "a9c8f46b2e368c38ceae26d23e9542829c0faf19add402a4723c24fae0aab843"`
[INFO] [stderr]    Compiling git-bch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `BranchTree`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct BranchTree {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BranchNode`
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct BranchNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "a9c8f46b2e368c38ceae26d23e9542829c0faf19add402a4723c24fae0aab843"`
[INFO] running `"docker" "rm" "-f" "a9c8f46b2e368c38ceae26d23e9542829c0faf19add402a4723c24fae0aab843"`
[INFO] [stdout] a9c8f46b2e368c38ceae26d23e9542829c0faf19add402a4723c24fae0aab843
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/git-bch:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0893d75fd05e4ba4af6ae9ebc25a44a56af4da4e922a73c02eabb48dc71e6c18
[INFO] running `"docker" "start" "-a" "0893d75fd05e4ba4af6ae9ebc25a44a56af4da4e922a73c02eabb48dc71e6c18"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/git_bch-0b5bf42ec613c2eb
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0893d75fd05e4ba4af6ae9ebc25a44a56af4da4e922a73c02eabb48dc71e6c18"`
[INFO] running `"docker" "rm" "-f" "0893d75fd05e4ba4af6ae9ebc25a44a56af4da4e922a73c02eabb48dc71e6c18"`
[INFO] [stdout] 0893d75fd05e4ba4af6ae9ebc25a44a56af4da4e922a73c02eabb48dc71e6c18