[INFO] crate winflip 0.1.0 is already in cache
[INFO] testing winflip-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate winflip 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate winflip 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate winflip 0.1.0
[INFO] finished tweaking crates.io crate winflip 0.1.0
[INFO] tweaked toml for crates.io crate winflip 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate winflip 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81ec0642885c46c820bbfabd9803598e81bb66c21d6cf39f137e78ca05effe70
[INFO] running `"docker" "start" "-a" "81ec0642885c46c820bbfabd9803598e81bb66c21d6cf39f137e78ca05effe70"`
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling winflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `window_title`
[INFO] [stderr]    --> src/x11.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `"docker" "inspect" "81ec0642885c46c820bbfabd9803598e81bb66c21d6cf39f137e78ca05effe70"`
[INFO] running `"docker" "rm" "-f" "81ec0642885c46c820bbfabd9803598e81bb66c21d6cf39f137e78ca05effe70"`
[INFO] [stdout] 81ec0642885c46c820bbfabd9803598e81bb66c21d6cf39f137e78ca05effe70
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] e86cf16238e5f1331d0d36ba402a817096527c36f43c367558ff5e6c509de694
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e86cf16238e5f1331d0d36ba402a817096527c36f43c367558ff5e6c509de694"`
[INFO] [stderr]    Compiling winflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `window_title`
[INFO] [stderr]    --> src/x11.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_title`
[INFO] [stderr]    --> src/x11.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xl`
[INFO] [stderr]     --> src/x11.rs:1021:13
[INFO] [stderr]      |
[INFO] [stderr] 1021 |         let xl = xlib::Xlib::open().unwrap();
[INFO] [stderr]      |             ^^ help: if this is intentional, prefix it with an underscore: `_xl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `glx`
[INFO] [stderr]     --> src/x11.rs:1027:13
[INFO] [stderr]      |
[INFO] [stderr] 1027 |         let glx = glx::Glx::open().unwrap();
[INFO] [stderr]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_glx`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "e86cf16238e5f1331d0d36ba402a817096527c36f43c367558ff5e6c509de694"`
[INFO] running `"docker" "rm" "-f" "e86cf16238e5f1331d0d36ba402a817096527c36f43c367558ff5e6c509de694"`
[INFO] [stdout] e86cf16238e5f1331d0d36ba402a817096527c36f43c367558ff5e6c509de694
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa86e0a87510338908b2a74d4ad2c09a46cfb9136d570ab6c1ffa7de684b0298
[INFO] running `"docker" "start" "-a" "fa86e0a87510338908b2a74d4ad2c09a46cfb9136d570ab6c1ffa7de684b0298"`
[INFO] [stderr] warning: unused variable: `window_title`
[INFO] [stderr]    --> src/x11.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_title`
[INFO] [stderr]    --> src/x11.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xl`
[INFO] [stderr]     --> src/x11.rs:1021:13
[INFO] [stderr]      |
[INFO] [stderr] 1021 |         let xl = xlib::Xlib::open().unwrap();
[INFO] [stderr]      |             ^^ help: if this is intentional, prefix it with an underscore: `_xl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `glx`
[INFO] [stderr]     --> src/x11.rs:1027:13
[INFO] [stderr]      |
[INFO] [stderr] 1027 |         let glx = glx::Glx::open().unwrap();
[INFO] [stderr]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_glx`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/winflip-8343ff56710137a5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test x11::tests::glx_open ... ok
[INFO] [stdout] test x11::tests::xlib_open ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/winflip-4ecaa442900350cf
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests winflip
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "fa86e0a87510338908b2a74d4ad2c09a46cfb9136d570ab6c1ffa7de684b0298"`
[INFO] running `"docker" "rm" "-f" "fa86e0a87510338908b2a74d4ad2c09a46cfb9136d570ab6c1ffa7de684b0298"`
[INFO] [stdout] fa86e0a87510338908b2a74d4ad2c09a46cfb9136d570ab6c1ffa7de684b0298