[INFO] updating cached repository jsyeo/skii
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jsyeo/skii
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jsyeo/skii" "work/ex/beta-1.37-6/sources/1.36.0/gh/jsyeo/skii"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jsyeo/skii'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jsyeo/skii" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jsyeo/skii"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jsyeo/skii'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eab8c5afe1b67f5664cc031c9a1d137ee9d06c2f
[INFO] sha for GitHub repo jsyeo/skii: eab8c5afe1b67f5664cc031c9a1d137ee9d06c2f
[INFO] validating manifest of jsyeo/skii 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 jsyeo/skii 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 jsyeo/skii
[INFO] finished frobbing jsyeo/skii
[INFO] frobbed toml for jsyeo/skii written to work/ex/beta-1.37-6/sources/1.36.0/gh/jsyeo/skii/Cargo.toml
[INFO] started frobbing jsyeo/skii
[INFO] finished frobbing jsyeo/skii
[INFO] frobbed toml for jsyeo/skii written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jsyeo/skii/Cargo.toml
[INFO] crate jsyeo/skii 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jsyeo/skii 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-2/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/jsyeo/skii:/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] 9e8c4af9cea4a404ea4a9498bae786f6371e47feb8055d83cbc4bdfeb1833416
[INFO] running `"docker" "start" "-a" "9e8c4af9cea4a404ea4a9498bae786f6371e47feb8055d83cbc4bdfeb1833416"`
[INFO] [stderr]    Compiling skii v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let height = data[0][0];
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let width = data[0][1];
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "9e8c4af9cea4a404ea4a9498bae786f6371e47feb8055d83cbc4bdfeb1833416"`
[INFO] running `"docker" "rm" "-f" "9e8c4af9cea4a404ea4a9498bae786f6371e47feb8055d83cbc4bdfeb1833416"`
[INFO] [stdout] 9e8c4af9cea4a404ea4a9498bae786f6371e47feb8055d83cbc4bdfeb1833416
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/jsyeo/skii:/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] bfb4d808f6a73fa6485ec9463e6b24da33465be052a9f2d7c6a6f71e0fe5e1da
[INFO] running `"docker" "start" "-a" "bfb4d808f6a73fa6485ec9463e6b24da33465be052a9f2d7c6a6f71e0fe5e1da"`
[INFO] [stderr]    Compiling skii v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let height = data[0][0];
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let width = data[0][1];
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "bfb4d808f6a73fa6485ec9463e6b24da33465be052a9f2d7c6a6f71e0fe5e1da"`
[INFO] running `"docker" "rm" "-f" "bfb4d808f6a73fa6485ec9463e6b24da33465be052a9f2d7c6a6f71e0fe5e1da"`
[INFO] [stdout] bfb4d808f6a73fa6485ec9463e6b24da33465be052a9f2d7c6a6f71e0fe5e1da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/jsyeo/skii:/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] 452e1b1947390cd045b644f9a8b8baea5a0fbfbd60f1ad1e095ebe4afc6954a0
[INFO] running `"docker" "start" "-a" "452e1b1947390cd045b644f9a8b8baea5a0fbfbd60f1ad1e095ebe4afc6954a0"`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skii-b26b932312162ed6
[INFO] running `"docker" "inspect" "452e1b1947390cd045b644f9a8b8baea5a0fbfbd60f1ad1e095ebe4afc6954a0"`
[INFO] running `"docker" "rm" "-f" "452e1b1947390cd045b644f9a8b8baea5a0fbfbd60f1ad1e095ebe4afc6954a0"`
[INFO] [stdout] 452e1b1947390cd045b644f9a8b8baea5a0fbfbd60f1ad1e095ebe4afc6954a0