[INFO] updating cached repository abusch/xld-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abusch/xld-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abusch/xld-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/abusch/xld-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/abusch/xld-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abusch/xld-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/abusch/xld-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/abusch/xld-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7f791d1865f62b51ae140c844ca1e25c7180c9a
[INFO] sha for GitHub repo abusch/xld-rs: c7f791d1865f62b51ae140c844ca1e25c7180c9a
[INFO] validating manifest of abusch/xld-rs 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 abusch/xld-rs 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 abusch/xld-rs
[INFO] finished frobbing abusch/xld-rs
[INFO] frobbed toml for abusch/xld-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/abusch/xld-rs/Cargo.toml
[INFO] started frobbing abusch/xld-rs
[INFO] finished frobbing abusch/xld-rs
[INFO] frobbed toml for abusch/xld-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/abusch/xld-rs/Cargo.toml
[INFO] crate abusch/xld-rs 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 abusch/xld-rs 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/abusch/xld-rs:/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] 1d66117a5545ddeb503cb756c28788a57b1bd9678c1c9e18fef235573bd0c557
[INFO] running `"docker" "start" "-a" "1d66117a5545ddeb503cb756c28788a57b1bd9678c1c9e18fef235573bd0c557"`
[INFO] [stderr]    Compiling x11 v2.18.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling xld-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `dpi`
[INFO] [stderr]   --> src/xrandrutils.rs:15:68
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn render_xrandr_command(outputs: &[Output], primary: &Output, dpi: u32) -> Command {
[INFO] [stderr]    |                                                                    ^^^ help: consider prefixing with an underscore: `_dpi`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `"docker" "inspect" "1d66117a5545ddeb503cb756c28788a57b1bd9678c1c9e18fef235573bd0c557"`
[INFO] running `"docker" "rm" "-f" "1d66117a5545ddeb503cb756c28788a57b1bd9678c1c9e18fef235573bd0c557"`
[INFO] [stdout] 1d66117a5545ddeb503cb756c28788a57b1bd9678c1c9e18fef235573bd0c557
[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/abusch/xld-rs:/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] 461fcaa415e2b6dd36daabbe096d26c945f26c232bd6588cfade73d22fd1cff8
[INFO] running `"docker" "start" "-a" "461fcaa415e2b6dd36daabbe096d26c945f26c232bd6588cfade73d22fd1cff8"`
[INFO] [stderr]    Compiling xld-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `dpi`
[INFO] [stderr]   --> src/xrandrutils.rs:15:68
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn render_xrandr_command(outputs: &[Output], primary: &Output, dpi: u32) -> Command {
[INFO] [stderr]    |                                                                    ^^^ help: consider prefixing with an underscore: `_dpi`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "461fcaa415e2b6dd36daabbe096d26c945f26c232bd6588cfade73d22fd1cff8"`
[INFO] running `"docker" "rm" "-f" "461fcaa415e2b6dd36daabbe096d26c945f26c232bd6588cfade73d22fd1cff8"`
[INFO] [stdout] 461fcaa415e2b6dd36daabbe096d26c945f26c232bd6588cfade73d22fd1cff8
[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/abusch/xld-rs:/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] b7f54063c3610f52594cd43a48c3199459611cfbae24b8281c97b6a1600a1639
[INFO] running `"docker" "start" "-a" "b7f54063c3610f52594cd43a48c3199459611cfbae24b8281c97b6a1600a1639"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xld_rs-4290d613d82e87eb
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mode::tests::order_height ... ok
[INFO] [stdout] test mode::tests::order_refresh ... ok
[INFO] [stdout] test mode::tests::order_width ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b7f54063c3610f52594cd43a48c3199459611cfbae24b8281c97b6a1600a1639"`
[INFO] running `"docker" "rm" "-f" "b7f54063c3610f52594cd43a48c3199459611cfbae24b8281c97b6a1600a1639"`
[INFO] [stdout] b7f54063c3610f52594cd43a48c3199459611cfbae24b8281c97b6a1600a1639