[INFO] updating cached repository fschutt/xlib-programming-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fschutt/xlib-programming-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/xlib-programming-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/fschutt/xlib-programming-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fschutt/xlib-programming-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/xlib-programming-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fschutt/xlib-programming-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fschutt/xlib-programming-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a00066f3c7cf137ffb62452c9618c7bb5693c376
[INFO] sha for GitHub repo fschutt/xlib-programming-rust: a00066f3c7cf137ffb62452c9618c7bb5693c376
[INFO] validating manifest of fschutt/xlib-programming-rust 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 fschutt/xlib-programming-rust 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 fschutt/xlib-programming-rust
[INFO] finished frobbing fschutt/xlib-programming-rust
[INFO] frobbed toml for fschutt/xlib-programming-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/fschutt/xlib-programming-rust/Cargo.toml
[INFO] started frobbing fschutt/xlib-programming-rust
[INFO] finished frobbing fschutt/xlib-programming-rust
[INFO] frobbed toml for fschutt/xlib-programming-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fschutt/xlib-programming-rust/Cargo.toml
[INFO] crate fschutt/xlib-programming-rust 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fschutt/xlib-programming-rust 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-0/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/fschutt/xlib-programming-rust:/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] 13af3f426eb356e363170f098446c005c0cf7a9a10eb0799d5fcf2b4064a379e
[INFO] running `"docker" "start" "-a" "13af3f426eb356e363170f098446c005c0cf7a9a10eb0799d5fcf2b4064a379e"`
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling dbus v0.5.3
[INFO] [stderr]    Compiling xlibprogramming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
[INFO] [stderr]  --> src/main.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `"docker" "inspect" "13af3f426eb356e363170f098446c005c0cf7a9a10eb0799d5fcf2b4064a379e"`
[INFO] running `"docker" "rm" "-f" "13af3f426eb356e363170f098446c005c0cf7a9a10eb0799d5fcf2b4064a379e"`
[INFO] [stdout] 13af3f426eb356e363170f098446c005c0cf7a9a10eb0799d5fcf2b4064a379e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/fschutt/xlib-programming-rust:/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] beb620f95d3195b705a4312a40133e585f540891d5af4b7776cf2aa5491790e0
[INFO] running `"docker" "start" "-a" "beb620f95d3195b705a4312a40133e585f540891d5af4b7776cf2aa5491790e0"`
[INFO] [stderr]    Compiling xlibprogramming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
[INFO] [stderr]  --> src/main.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/simple_opengl_window.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut display = {
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/simple_opengl_window.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut visual_info = { if vi.is_null() {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "beb620f95d3195b705a4312a40133e585f540891d5af4b7776cf2aa5491790e0"`
[INFO] running `"docker" "rm" "-f" "beb620f95d3195b705a4312a40133e585f540891d5af4b7776cf2aa5491790e0"`
[INFO] [stdout] beb620f95d3195b705a4312a40133e585f540891d5af4b7776cf2aa5491790e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/fschutt/xlib-programming-rust:/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] c8af987e3dac46f2cead797c672419ced61495a1c286c85106d309ac0370e536
[INFO] running `"docker" "start" "-a" "c8af987e3dac46f2cead797c672419ced61495a1c286c85106d309ac0370e536"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xlibprogramming-80f6133883474429
[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" "c8af987e3dac46f2cead797c672419ced61495a1c286c85106d309ac0370e536"`
[INFO] running `"docker" "rm" "-f" "c8af987e3dac46f2cead797c672419ced61495a1c286c85106d309ac0370e536"`
[INFO] [stdout] c8af987e3dac46f2cead797c672419ced61495a1c286c85106d309ac0370e536