[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-1.38-1/sources/1.37.0/gh/abusch/xld-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/abusch/xld-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abusch/xld-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abusch/xld-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of abusch/xld-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing abusch/xld-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 91f8afa5fb359b3b49adf566f6c4bf2e1413338425219a0e42dd65a2b9112f8d
[INFO] running `"docker" "start" "-a" "91f8afa5fb359b3b49adf566f6c4bf2e1413338425219a0e42dd65a2b9112f8d"`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling x11 v2.18.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[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 27.41s
[INFO] running `"docker" "inspect" "91f8afa5fb359b3b49adf566f6c4bf2e1413338425219a0e42dd65a2b9112f8d"`
[INFO] running `"docker" "rm" "-f" "91f8afa5fb359b3b49adf566f6c4bf2e1413338425219a0e42dd65a2b9112f8d"`
[INFO] [stdout] 91f8afa5fb359b3b49adf566f6c4bf2e1413338425219a0e42dd65a2b9112f8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 79a0fc4de63dc2792e7e43793bc5d673404ce3f18c948678099923f1e9f3e2f9
[INFO] running `"docker" "start" "-a" "79a0fc4de63dc2792e7e43793bc5d673404ce3f18c948678099923f1e9f3e2f9"`
[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 1.32s
[INFO] running `"docker" "inspect" "79a0fc4de63dc2792e7e43793bc5d673404ce3f18c948678099923f1e9f3e2f9"`
[INFO] running `"docker" "rm" "-f" "79a0fc4de63dc2792e7e43793bc5d673404ce3f18c948678099923f1e9f3e2f9"`
[INFO] [stdout] 79a0fc4de63dc2792e7e43793bc5d673404ce3f18c948678099923f1e9f3e2f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9911e7883451e440bcc313f5e2d0d706d9ae76d4a4ec8108ed3adc077683af3f
[INFO] running `"docker" "start" "-a" "9911e7883451e440bcc313f5e2d0d706d9ae76d4a4ec8108ed3adc077683af3f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xld_rs-75ad592c0b978fc8
[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" "9911e7883451e440bcc313f5e2d0d706d9ae76d4a4ec8108ed3adc077683af3f"`
[INFO] running `"docker" "rm" "-f" "9911e7883451e440bcc313f5e2d0d706d9ae76d4a4ec8108ed3adc077683af3f"`
[INFO] [stdout] 9911e7883451e440bcc313f5e2d0d706d9ae76d4a4ec8108ed3adc077683af3f