[INFO] updating cached repository manelli/wyag
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/manelli/wyag
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/manelli/wyag" "work/ex/beta-1.38-1/sources/1.37.0/gh/manelli/wyag"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/manelli/wyag'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/manelli/wyag" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/manelli/wyag"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/manelli/wyag'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d0e0bfc20851b05dfb3bacd5f407580d7683715
[INFO] sha for GitHub repo manelli/wyag: 3d0e0bfc20851b05dfb3bacd5f407580d7683715
[INFO] validating manifest of manelli/wyag on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of manelli/wyag on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing manelli/wyag
[INFO] finished frobbing manelli/wyag
[INFO] frobbed toml for manelli/wyag written to work/ex/beta-1.38-1/sources/1.37.0/gh/manelli/wyag/Cargo.toml
[INFO] started frobbing manelli/wyag
[INFO] finished frobbing manelli/wyag
[INFO] frobbed toml for manelli/wyag written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/manelli/wyag/Cargo.toml
[INFO] crate manelli/wyag already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing manelli/wyag against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/manelli/wyag:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 26e144562b1814fd410b21b3dfeea687d86b3f822544fd9ee173c648a232a722
[INFO] running `"docker" "start" "-a" "26e144562b1814fd410b21b3dfeea687d86b3f822544fd9ee173c648a232a722"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling wyag v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `worktree`
[INFO] [stderr]  --> src/git/repository.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     worktree: PathBuf,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         builder.create(git_dir_path);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         builder.create(git_dir_path.join("refs"));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         builder.create(git_dir_path.join("objects"));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Repository::new(path).write();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
[INFO] running `"docker" "inspect" "26e144562b1814fd410b21b3dfeea687d86b3f822544fd9ee173c648a232a722"`
[INFO] running `"docker" "rm" "-f" "26e144562b1814fd410b21b3dfeea687d86b3f822544fd9ee173c648a232a722"`
[INFO] [stdout] 26e144562b1814fd410b21b3dfeea687d86b3f822544fd9ee173c648a232a722
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/manelli/wyag:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a7841e91d262c1c1a088eec069d733256832c85b501b602e58a9b7cf3c0fc3b9
[INFO] running `"docker" "start" "-a" "a7841e91d262c1c1a088eec069d733256832c85b501b602e58a9b7cf3c0fc3b9"`
[INFO] [stderr]    Compiling wyag v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `worktree`
[INFO] [stderr]  --> src/git/repository.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     worktree: PathBuf,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         builder.create(git_dir_path);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         builder.create(git_dir_path.join("refs"));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         builder.create(git_dir_path.join("objects"));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/git/repository.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Repository::new(path).write();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "a7841e91d262c1c1a088eec069d733256832c85b501b602e58a9b7cf3c0fc3b9"`
[INFO] running `"docker" "rm" "-f" "a7841e91d262c1c1a088eec069d733256832c85b501b602e58a9b7cf3c0fc3b9"`
[INFO] [stdout] a7841e91d262c1c1a088eec069d733256832c85b501b602e58a9b7cf3c0fc3b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/manelli/wyag:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f217da707a59fe7c47f3741f45fb413678bbc37644312b78b715b9131f39cc3a
[INFO] running `"docker" "start" "-a" "f217da707a59fe7c47f3741f45fb413678bbc37644312b78b715b9131f39cc3a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wyag-be4ef3c3fb2cb570
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f217da707a59fe7c47f3741f45fb413678bbc37644312b78b715b9131f39cc3a"`
[INFO] running `"docker" "rm" "-f" "f217da707a59fe7c47f3741f45fb413678bbc37644312b78b715b9131f39cc3a"`
[INFO] [stdout] f217da707a59fe7c47f3741f45fb413678bbc37644312b78b715b9131f39cc3a