[INFO] updating cached repository DdZ-Fred/rust_practice_2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DdZ-Fred/rust_practice_2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DdZ-Fred/rust_practice_2" "work/ex/beta-1.37-6/sources/1.36.0/gh/DdZ-Fred/rust_practice_2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/DdZ-Fred/rust_practice_2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DdZ-Fred/rust_practice_2" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DdZ-Fred/rust_practice_2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DdZ-Fred/rust_practice_2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6c0bcf67e05ca6e440c652aacc9510681ab7415
[INFO] sha for GitHub repo DdZ-Fred/rust_practice_2: e6c0bcf67e05ca6e440c652aacc9510681ab7415
[INFO] validating manifest of DdZ-Fred/rust_practice_2 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 DdZ-Fred/rust_practice_2 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 DdZ-Fred/rust_practice_2
[INFO] finished frobbing DdZ-Fred/rust_practice_2
[INFO] frobbed toml for DdZ-Fred/rust_practice_2 written to work/ex/beta-1.37-6/sources/1.36.0/gh/DdZ-Fred/rust_practice_2/Cargo.toml
[INFO] started frobbing DdZ-Fred/rust_practice_2
[INFO] finished frobbing DdZ-Fred/rust_practice_2
[INFO] frobbed toml for DdZ-Fred/rust_practice_2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DdZ-Fred/rust_practice_2/Cargo.toml
[INFO] crate DdZ-Fred/rust_practice_2 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 DdZ-Fred/rust_practice_2 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/DdZ-Fred/rust_practice_2:/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] c6814bb73d3ca0f26fdf13641c91d1c0cea9accc7a93e6261ceaf4d4e7381422
[INFO] running `"docker" "start" "-a" "c6814bb73d3ca0f26fdf13641c91d1c0cea9accc7a93e6261ceaf4d4e7381422"`
[INFO] [stderr]    Compiling practice_2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `blabla`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let blabla = IpAddress::V6;
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_blabla`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let w = Some("String is blablabla");
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `absent_number`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let absent_number: Option<i8> = None;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_absent_number`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `V4`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     V4,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Quit,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Move`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Move { x: i32, y: i32 },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChangeColor`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c6814bb73d3ca0f26fdf13641c91d1c0cea9accc7a93e6261ceaf4d4e7381422"`
[INFO] running `"docker" "rm" "-f" "c6814bb73d3ca0f26fdf13641c91d1c0cea9accc7a93e6261ceaf4d4e7381422"`
[INFO] [stdout] c6814bb73d3ca0f26fdf13641c91d1c0cea9accc7a93e6261ceaf4d4e7381422
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/DdZ-Fred/rust_practice_2:/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] 4cb5d349077845477808d1b0ec9f0ff055b41a6a8db398b97316edbfe027314b
[INFO] running `"docker" "start" "-a" "4cb5d349077845477808d1b0ec9f0ff055b41a6a8db398b97316edbfe027314b"`
[INFO] [stderr]    Compiling practice_2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `blabla`
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let blabla = IpAddress::V6;
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_blabla`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let w = Some("String is blablabla");
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `absent_number`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let absent_number: Option<i8> = None;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_absent_number`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `V4`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     V4,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Quit,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Move`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Move { x: i32, y: i32 },
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChangeColor`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "4cb5d349077845477808d1b0ec9f0ff055b41a6a8db398b97316edbfe027314b"`
[INFO] running `"docker" "rm" "-f" "4cb5d349077845477808d1b0ec9f0ff055b41a6a8db398b97316edbfe027314b"`
[INFO] [stdout] 4cb5d349077845477808d1b0ec9f0ff055b41a6a8db398b97316edbfe027314b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/DdZ-Fred/rust_practice_2:/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] e2ab299e270e870a402cd6625d236e4e19005a2e942015ac51d7d3de2161b525
[INFO] running `"docker" "start" "-a" "e2ab299e270e870a402cd6625d236e4e19005a2e942015ac51d7d3de2161b525"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/practice_2-bbfd502fb68adf72
[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" "e2ab299e270e870a402cd6625d236e4e19005a2e942015ac51d7d3de2161b525"`
[INFO] running `"docker" "rm" "-f" "e2ab299e270e870a402cd6625d236e4e19005a2e942015ac51d7d3de2161b525"`
[INFO] [stdout] e2ab299e270e870a402cd6625d236e4e19005a2e942015ac51d7d3de2161b525