[INFO] cloning repository https://github.com/crpdev/invaders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crpdev/invaders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrpdev%2Finvaders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrpdev%2Finvaders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51a4a6c8a862e934cd8c7de7076bc68600897847
[INFO] checking crpdev/invaders against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrpdev%2Finvaders" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crpdev/invaders on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crpdev/invaders
[INFO] finished tweaking git repo https://github.com/crpdev/invaders
[INFO] tweaked toml for git repo https://github.com/crpdev/invaders written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/crpdev/invaders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded minimp3 v0.3.5
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.5
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded lewton v0.9.4
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded bindgen v0.53.3
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded rusty_time v0.11.0
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded socket2 v0.3.12
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded backtrace v0.3.50
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded cpal v0.10.0
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded ogg v0.7.0
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded rusty_audio v1.1.4
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded claxon v0.4.2
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded alsa-sys v0.1.2
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded rodio v0.10.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.9.1
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33979033279b3697fe087890186a91cea62a19ebc583c6f8709beab1830588d9
[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" "33979033279b3697fe087890186a91cea62a19ebc583c6f8709beab1830588d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33979033279b3697fe087890186a91cea62a19ebc583c6f8709beab1830588d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33979033279b3697fe087890186a91cea62a19ebc583c6f8709beab1830588d9", kill_on_drop: false }`
[INFO] [stdout] 33979033279b3697fe087890186a91cea62a19ebc583c6f8709beab1830588d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e40c82b919eb5f48651a589944617739bf3fadde2710ae74f26457a5e5988d7
[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" "7e40c82b919eb5f48651a589944617739bf3fadde2710ae74f26457a5e5988d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking rusty_time v0.11.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]     Checking rusty_audio v1.1.4
[INFO] [stderr]     Checking invaders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/frame.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn draw(&self, frame: &mut Frame) {}
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/frame.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn draw(&self, frame: &mut Frame) {}
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.81s
[INFO] running `Command { std: "docker" "inspect" "7e40c82b919eb5f48651a589944617739bf3fadde2710ae74f26457a5e5988d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e40c82b919eb5f48651a589944617739bf3fadde2710ae74f26457a5e5988d7", kill_on_drop: false }`
[INFO] [stdout] 7e40c82b919eb5f48651a589944617739bf3fadde2710ae74f26457a5e5988d7