[INFO] updating cached repository oberien/victory-slot-extender
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/oberien/victory-slot-extender
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/oberien/victory-slot-extender" "work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/victory-slot-extender"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/victory-slot-extender'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/oberien/victory-slot-extender" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oberien/victory-slot-extender"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oberien/victory-slot-extender'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82150915708a504490b0e6279124d1a982bbb366
[INFO] sha for GitHub repo oberien/victory-slot-extender: 82150915708a504490b0e6279124d1a982bbb366
[INFO] validating manifest of oberien/victory-slot-extender 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 oberien/victory-slot-extender 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 oberien/victory-slot-extender
[INFO] finished frobbing oberien/victory-slot-extender
[INFO] frobbed toml for oberien/victory-slot-extender written to work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/victory-slot-extender/Cargo.toml
[INFO] started frobbing oberien/victory-slot-extender
[INFO] finished frobbing oberien/victory-slot-extender
[INFO] frobbed toml for oberien/victory-slot-extender written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/oberien/victory-slot-extender/Cargo.toml
[INFO] crate oberien/victory-slot-extender 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 oberien/victory-slot-extender against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/victory-slot-extender:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 57d4925941874db390b8335ea3820d11d1eaa1461bacec739af4f8e75f474a78
[INFO] running `"docker" "start" "-a" "57d4925941874db390b8335ea3820d11d1eaa1461bacec739af4f8e75f474a78"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling victory-slot-extender v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut path = std::env::home_dir().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bck`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let bck = buf.clone();
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_bck`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "57d4925941874db390b8335ea3820d11d1eaa1461bacec739af4f8e75f474a78"`
[INFO] running `"docker" "rm" "-f" "57d4925941874db390b8335ea3820d11d1eaa1461bacec739af4f8e75f474a78"`
[INFO] [stdout] 57d4925941874db390b8335ea3820d11d1eaa1461bacec739af4f8e75f474a78
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/victory-slot-extender:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cbd9c9a8abf7f8dd2fe07f72170b476de31bb3e6151dac755faa599270fb0403
[INFO] running `"docker" "start" "-a" "cbd9c9a8abf7f8dd2fe07f72170b476de31bb3e6151dac755faa599270fb0403"`
[INFO] [stderr]    Compiling victory-slot-extender v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut path = std::env::home_dir().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bck`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let bck = buf.clone();
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_bck`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "cbd9c9a8abf7f8dd2fe07f72170b476de31bb3e6151dac755faa599270fb0403"`
[INFO] running `"docker" "rm" "-f" "cbd9c9a8abf7f8dd2fe07f72170b476de31bb3e6151dac755faa599270fb0403"`
[INFO] [stdout] cbd9c9a8abf7f8dd2fe07f72170b476de31bb3e6151dac755faa599270fb0403
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/oberien/victory-slot-extender:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dd11156781454538dc42e375bafc35aa2d098e58483d8469f455f4864bdbaceb
[INFO] running `"docker" "start" "-a" "dd11156781454538dc42e375bafc35aa2d098e58483d8469f455f4864bdbaceb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/victory_slot_extender-dc9deb49f5365070
[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" "dd11156781454538dc42e375bafc35aa2d098e58483d8469f455f4864bdbaceb"`
[INFO] running `"docker" "rm" "-f" "dd11156781454538dc42e375bafc35aa2d098e58483d8469f455f4864bdbaceb"`
[INFO] [stdout] dd11156781454538dc42e375bafc35aa2d098e58483d8469f455f4864bdbaceb