[INFO] updating cached repository sakibccr/striderwm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sakibccr/striderwm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sakibccr/striderwm" "work/ex/beta-1.38-1/sources/1.37.0/gh/sakibccr/striderwm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sakibccr/striderwm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sakibccr/striderwm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sakibccr/striderwm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sakibccr/striderwm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cafab857917049dcdabe1d16698d018480e208a9
[INFO] sha for GitHub repo sakibccr/striderwm: cafab857917049dcdabe1d16698d018480e208a9
[INFO] validating manifest of sakibccr/striderwm 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 sakibccr/striderwm 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 sakibccr/striderwm
[INFO] finished frobbing sakibccr/striderwm
[INFO] frobbed toml for sakibccr/striderwm written to work/ex/beta-1.38-1/sources/1.37.0/gh/sakibccr/striderwm/Cargo.toml
[INFO] started frobbing sakibccr/striderwm
[INFO] finished frobbing sakibccr/striderwm
[INFO] frobbed toml for sakibccr/striderwm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sakibccr/striderwm/Cargo.toml
[INFO] crate sakibccr/striderwm 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sakibccr/striderwm/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 sakibccr/striderwm 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sakibccr/striderwm:/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] f80ce830e8a3c63a50753eac13d569153a5bf9c46a4b8d5d5213aa832695dba5
[INFO] running `"docker" "start" "-a" "f80ce830e8a3c63a50753eac13d569153a5bf9c46a4b8d5d5213aa832695dba5"`
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling striderwm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `window_system`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let window_system = WindowSystem::new();
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_window_system`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `display`
[INFO] [stderr]  --> src/window_system.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     display: *mut Display,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `root`
[INFO] [stderr]  --> src/window_system.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     root:    Window
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `"docker" "inspect" "f80ce830e8a3c63a50753eac13d569153a5bf9c46a4b8d5d5213aa832695dba5"`
[INFO] running `"docker" "rm" "-f" "f80ce830e8a3c63a50753eac13d569153a5bf9c46a4b8d5d5213aa832695dba5"`
[INFO] [stdout] f80ce830e8a3c63a50753eac13d569153a5bf9c46a4b8d5d5213aa832695dba5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sakibccr/striderwm:/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] abff87a7f4d6a2595b9a7f9a855cfab38e48b8ae9789f262e77d834308935aef
[INFO] running `"docker" "start" "-a" "abff87a7f4d6a2595b9a7f9a855cfab38e48b8ae9789f262e77d834308935aef"`
[INFO] [stderr]    Compiling striderwm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `window_system`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let window_system = WindowSystem::new();
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_window_system`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `display`
[INFO] [stderr]  --> src/window_system.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     display: *mut Display,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `root`
[INFO] [stderr]  --> src/window_system.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     root:    Window
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "abff87a7f4d6a2595b9a7f9a855cfab38e48b8ae9789f262e77d834308935aef"`
[INFO] running `"docker" "rm" "-f" "abff87a7f4d6a2595b9a7f9a855cfab38e48b8ae9789f262e77d834308935aef"`
[INFO] [stdout] abff87a7f4d6a2595b9a7f9a855cfab38e48b8ae9789f262e77d834308935aef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sakibccr/striderwm:/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] 2afd44d2be6c9bbbfa9bff364844a00675a967bd9d4b5f364661dcb1f43cd703
[INFO] running `"docker" "start" "-a" "2afd44d2be6c9bbbfa9bff364844a00675a967bd9d4b5f364661dcb1f43cd703"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/striderwm-3f93fbd0d93215fc
[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" "2afd44d2be6c9bbbfa9bff364844a00675a967bd9d4b5f364661dcb1f43cd703"`
[INFO] running `"docker" "rm" "-f" "2afd44d2be6c9bbbfa9bff364844a00675a967bd9d4b5f364661dcb1f43cd703"`
[INFO] [stdout] 2afd44d2be6c9bbbfa9bff364844a00675a967bd9d4b5f364661dcb1f43cd703