[INFO] crate winflip 0.1.0 is already in cache
[INFO] testing winflip-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate winflip 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate winflip 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-2/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] c6ed0bbd757f6dbbc606723d39df8a8c04f49c2effb1882218504b8362910d11
[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" "c6ed0bbd757f6dbbc606723d39df8a8c04f49c2effb1882218504b8362910d11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 5.51s
[INFO] running `"docker" "inspect" "c6ed0bbd757f6dbbc606723d39df8a8c04f49c2effb1882218504b8362910d11"`
[INFO] running `"docker" "rm" "-f" "c6ed0bbd757f6dbbc606723d39df8a8c04f49c2effb1882218504b8362910d11"`
[INFO] [stdout] c6ed0bbd757f6dbbc606723d39df8a8c04f49c2effb1882218504b8362910d11
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] db3b94ef5e151ad07832500cd2029006ba927807ebbf5d6a270a160060dd7091
[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" "db3b94ef5e151ad07832500cd2029006ba927807ebbf5d6a270a160060dd7091"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]    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: 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 0.74s
[INFO] running `"docker" "inspect" "db3b94ef5e151ad07832500cd2029006ba927807ebbf5d6a270a160060dd7091"`
[INFO] running `"docker" "rm" "-f" "db3b94ef5e151ad07832500cd2029006ba927807ebbf5d6a270a160060dd7091"`
[INFO] [stdout] db3b94ef5e151ad07832500cd2029006ba927807ebbf5d6a270a160060dd7091
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "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] a9b0c2955d8d18f9c36f6ae4e9c400928eb10bd4c35fee2e3d57ff37aa39cd27
[INFO] running `"docker" "start" "-a" "a9b0c2955d8d18f9c36f6ae4e9c400928eb10bd4c35fee2e3d57ff37aa39cd27"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/winflip-cf623f8bad4469ae
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test x11::tests::glx_open ... ok
[INFO] [stdout] test x11::tests::xlib_open ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/winflip-0a678043d08edbf5
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests winflip
[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" "a9b0c2955d8d18f9c36f6ae4e9c400928eb10bd4c35fee2e3d57ff37aa39cd27"`
[INFO] running `"docker" "rm" "-f" "a9b0c2955d8d18f9c36f6ae4e9c400928eb10bd4c35fee2e3d57ff37aa39cd27"`
[INFO] [stdout] a9b0c2955d8d18f9c36f6ae4e9c400928eb10bd4c35fee2e3d57ff37aa39cd27