[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 master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[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 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251b153a362f20e5240dbc9e52cf77028ac8ace4137bf7e3de8621a750af1b81
[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" "251b153a362f20e5240dbc9e52cf77028ac8ace4137bf7e3de8621a750af1b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251b153a362f20e5240dbc9e52cf77028ac8ace4137bf7e3de8621a750af1b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251b153a362f20e5240dbc9e52cf77028ac8ace4137bf7e3de8621a750af1b81", kill_on_drop: false }`
[INFO] [stdout] 251b153a362f20e5240dbc9e52cf77028ac8ace4137bf7e3de8621a750af1b81
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a9790c424b447f44ffd86dd686167c78c1c3abfe1d1d7ffdd2cc5b8ab2b159e
[INFO] running `Command { std: "docker" "start" "-a" "4a9790c424b447f44ffd86dd686167c78c1c3abfe1d1d7ffdd2cc5b8ab2b159e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking rusty_time v0.11.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling quote v1.0.7
[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 mio v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking minimp3 v0.3.5
[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 29.87s
[INFO] running `Command { std: "docker" "inspect" "4a9790c424b447f44ffd86dd686167c78c1c3abfe1d1d7ffdd2cc5b8ab2b159e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9790c424b447f44ffd86dd686167c78c1c3abfe1d1d7ffdd2cc5b8ab2b159e", kill_on_drop: false }`
[INFO] [stdout] 4a9790c424b447f44ffd86dd686167c78c1c3abfe1d1d7ffdd2cc5b8ab2b159e