[INFO] updating cached repository ahwatts/graphplay2-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahwatts/graphplay2-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahwatts/graphplay2-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ahwatts/graphplay2-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ahwatts/graphplay2-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahwatts/graphplay2-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ahwatts/graphplay2-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ahwatts/graphplay2-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d968b9013554384669df1b29f4fefe393ebc171
[INFO] sha for GitHub repo ahwatts/graphplay2-rs: 6d968b9013554384669df1b29f4fefe393ebc171
[INFO] validating manifest of ahwatts/graphplay2-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ahwatts/graphplay2-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ahwatts/graphplay2-rs
[INFO] finished frobbing ahwatts/graphplay2-rs
[INFO] frobbed toml for ahwatts/graphplay2-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ahwatts/graphplay2-rs/Cargo.toml
[INFO] started frobbing ahwatts/graphplay2-rs
[INFO] finished frobbing ahwatts/graphplay2-rs
[INFO] frobbed toml for ahwatts/graphplay2-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ahwatts/graphplay2-rs/Cargo.toml
[INFO] crate ahwatts/graphplay2-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] checking ahwatts/graphplay2-rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ahwatts/graphplay2-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=forbid" "-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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 97f5c35bbbc69e25f70b79f0f91cb2eb65c5545630b355f1524a7be53feed94a
[INFO] running `"docker" "start" "-a" "97f5c35bbbc69e25f70b79f0f91cb2eb65c5545630b355f1524a7be53feed94a"`
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-client v0.5.12
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking glutin v0.6.2
[INFO] [stderr]     Checking graphplay2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/ply.rs:145:81
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     let element = try!(elements.last_mut().ok_or(other_io_error(("Tried to add a property but there's no current element"))));
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/ply.rs:145:81
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     let element = try!(elements.last_mut().ok_or(other_io_error(("Tried to add a property but there's no current element"))));
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.76s
[INFO] running `"docker" "inspect" "97f5c35bbbc69e25f70b79f0f91cb2eb65c5545630b355f1524a7be53feed94a"`
[INFO] running `"docker" "rm" "-f" "97f5c35bbbc69e25f70b79f0f91cb2eb65c5545630b355f1524a7be53feed94a"`
[INFO] [stdout] 97f5c35bbbc69e25f70b79f0f91cb2eb65c5545630b355f1524a7be53feed94a