[INFO] fetching crate winflip 0.1.0...
[INFO] testing winflip-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate winflip 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate winflip 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate crates.io crate winflip 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b36dfcf471a0ebe6f82495224e18b7fc14309b7710f0a07cfc76d2275986fa70
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b36dfcf471a0ebe6f82495224e18b7fc14309b7710f0a07cfc76d2275986fa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36dfcf471a0ebe6f82495224e18b7fc14309b7710f0a07cfc76d2275986fa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36dfcf471a0ebe6f82495224e18b7fc14309b7710f0a07cfc76d2275986fa70", kill_on_drop: false }`
[INFO] [stdout] b36dfcf471a0ebe6f82495224e18b7fc14309b7710f0a07cfc76d2275986fa70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f2ff7a99404b17e11a89693a6a81e274b97d9c61226c61ab44f4025a1101f51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f2ff7a99404b17e11a89693a6a81e274b97d9c61226c61ab44f4025a1101f51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling winflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]    --> src/x11.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "7f2ff7a99404b17e11a89693a6a81e274b97d9c61226c61ab44f4025a1101f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f2ff7a99404b17e11a89693a6a81e274b97d9c61226c61ab44f4025a1101f51", kill_on_drop: false }`
[INFO] [stdout] 7f2ff7a99404b17e11a89693a6a81e274b97d9c61226c61ab44f4025a1101f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ac87be4541df86e2353a77ed3f78115508471637ed2e08c162c764dd37c4504
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ac87be4541df86e2353a77ed3f78115508471637ed2e08c162c764dd37c4504", kill_on_drop: false }`
[INFO] [stderr]    Compiling winflip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]    --> src/x11.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_title`
[INFO] [stdout]    --> src/x11.rs:367:13
[INFO] [stdout]     |
[INFO] [stdout] 367 |         let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xl`
[INFO] [stdout]     --> src/x11.rs:1021:13
[INFO] [stdout]      |
[INFO] [stdout] 1021 |         let xl = xlib::Xlib::open().unwrap();
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_xl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glx`
[INFO] [stdout]     --> src/x11.rs:1027:13
[INFO] [stdout]      |
[INFO] [stdout] 1027 |         let glx = glx::Glx::open().unwrap();
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_glx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "0ac87be4541df86e2353a77ed3f78115508471637ed2e08c162c764dd37c4504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac87be4541df86e2353a77ed3f78115508471637ed2e08c162c764dd37c4504", kill_on_drop: false }`
[INFO] [stdout] 0ac87be4541df86e2353a77ed3f78115508471637ed2e08c162c764dd37c4504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d9df29129465829b82f886a9bd6bc85f9af929db3b1ca000e43730ee952b03d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d9df29129465829b82f886a9bd6bc85f9af929db3b1ca000e43730ee952b03d", kill_on_drop: false }`
[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] 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 test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/winflip-8d2a544c9fb5cead
[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] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/winflip-cff366ef5a996190
[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 `Command { std: "docker" "inspect" "1d9df29129465829b82f886a9bd6bc85f9af929db3b1ca000e43730ee952b03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9df29129465829b82f886a9bd6bc85f9af929db3b1ca000e43730ee952b03d", kill_on_drop: false }`
[INFO] [stdout] 1d9df29129465829b82f886a9bd6bc85f9af929db3b1ca000e43730ee952b03d