[INFO] updating cached repository shqld/rust-git
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shqld/rust-git
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shqld/rust-git" "work/ex/beta-1.37-6/sources/1.36.0/gh/shqld/rust-git"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/shqld/rust-git'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shqld/rust-git" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shqld/rust-git"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shqld/rust-git'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64d7eb7e50fe0ec4702731cb0eedddfa8110d1b1
[INFO] sha for GitHub repo shqld/rust-git: 64d7eb7e50fe0ec4702731cb0eedddfa8110d1b1
[INFO] validating manifest of shqld/rust-git 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 shqld/rust-git 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 shqld/rust-git
[INFO] finished frobbing shqld/rust-git
[INFO] frobbed toml for shqld/rust-git written to work/ex/beta-1.37-6/sources/1.36.0/gh/shqld/rust-git/Cargo.toml
[INFO] started frobbing shqld/rust-git
[INFO] finished frobbing shqld/rust-git
[INFO] frobbed toml for shqld/rust-git written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shqld/rust-git/Cargo.toml
[INFO] crate shqld/rust-git 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 shqld/rust-git against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shqld/rust-git:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6f687cd010d110e33433d713dfbf03b57da0c3e6bce1cb8aa7778019fea43ef2
[INFO] running `"docker" "start" "-a" "6f687cd010d110e33433d713dfbf03b57da0c3e6bce1cb8aa7778019fea43ef2"`
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling rust-git v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `to_code`
[INFO] [stderr]   --> src/objects/file_mode.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn to_code(&self) -> String {
[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/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fs::write_file(&Path::new(&path), &compressed);
[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/utils/zlib.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   e.write_all(s.as_bytes());
[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/utils/zlib.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   z.read_to_string(&mut s);
[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 5.03s
[INFO] running `"docker" "inspect" "6f687cd010d110e33433d713dfbf03b57da0c3e6bce1cb8aa7778019fea43ef2"`
[INFO] running `"docker" "rm" "-f" "6f687cd010d110e33433d713dfbf03b57da0c3e6bce1cb8aa7778019fea43ef2"`
[INFO] [stdout] 6f687cd010d110e33433d713dfbf03b57da0c3e6bce1cb8aa7778019fea43ef2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shqld/rust-git:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9266be806592dff71d5ec61b98142110e6293e90cfc5183649173e1cce3e11f2
[INFO] running `"docker" "start" "-a" "9266be806592dff71d5ec61b98142110e6293e90cfc5183649173e1cce3e11f2"`
[INFO] [stderr]    Compiling rust-git v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `to_code`
[INFO] [stderr]   --> src/objects/file_mode.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn to_code(&self) -> String {
[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/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fs::write_file(&Path::new(&path), &compressed);
[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/utils/zlib.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   e.write_all(s.as_bytes());
[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/utils/zlib.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   z.read_to_string(&mut s);
[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 0.61s
[INFO] running `"docker" "inspect" "9266be806592dff71d5ec61b98142110e6293e90cfc5183649173e1cce3e11f2"`
[INFO] running `"docker" "rm" "-f" "9266be806592dff71d5ec61b98142110e6293e90cfc5183649173e1cce3e11f2"`
[INFO] [stdout] 9266be806592dff71d5ec61b98142110e6293e90cfc5183649173e1cce3e11f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shqld/rust-git:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f2a5ab8e582d605e054e8c1654f8552d8c5e2af48f4cc44e638b89f1542ccec8
[INFO] running `"docker" "start" "-a" "f2a5ab8e582d605e054e8c1654f8552d8c5e2af48f4cc44e638b89f1542ccec8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_git-ac1f424f1320b7fb
[INFO] [stdout] 
[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" "f2a5ab8e582d605e054e8c1654f8552d8c5e2af48f4cc44e638b89f1542ccec8"`
[INFO] running `"docker" "rm" "-f" "f2a5ab8e582d605e054e8c1654f8552d8c5e2af48f4cc44e638b89f1542ccec8"`
[INFO] [stdout] f2a5ab8e582d605e054e8c1654f8552d8c5e2af48f4cc44e638b89f1542ccec8