[INFO] cloning repository https://github.com/byronwasti/chip-8-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/byronwasti/chip-8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyronwasti%2Fchip-8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyronwasti%2Fchip-8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75a875ae044f0ce8fd29306f3ca549b17a094ca7
[INFO] checking byronwasti/chip-8-emulator against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbyronwasti%2Fchip-8-emulator" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/byronwasti/chip-8-emulator 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/byronwasti/chip-8-emulator
[INFO] finished tweaking git repo https://github.com/byronwasti/chip-8-emulator
[INFO] tweaked toml for git repo https://github.com/byronwasti/chip-8-emulator written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/byronwasti/chip-8-emulator 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]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.0
[INFO] [stderr]   Downloaded humantime v1.0.0
[INFO] [stderr]   Downloaded serde_yaml v0.7.3
[INFO] [stderr]   Downloaded log4rs v0.8.0
[INFO] [stderr]   Downloaded crossbeam v0.3.0
[INFO] [stderr]   Downloaded structopt v0.1.6
[INFO] [stderr]   Downloaded serde-value v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.25
[INFO] [stderr]   Downloaded serde_derive v1.0.25
[INFO] [stderr]   Downloaded serde_derive_internals v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ab5ec09089e7de9eb2a94441ebdeaf683f2d9805c83fb9f3e1af848dba430b03
[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" "ab5ec09089e7de9eb2a94441ebdeaf683f2d9805c83fb9f3e1af848dba430b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5ec09089e7de9eb2a94441ebdeaf683f2d9805c83fb9f3e1af848dba430b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5ec09089e7de9eb2a94441ebdeaf683f2d9805c83fb9f3e1af848dba430b03", kill_on_drop: false }`
[INFO] [stdout] ab5ec09089e7de9eb2a94441ebdeaf683f2d9805c83fb9f3e1af848dba430b03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5017d9df37b6985b3b7eaad68fb8b527a56e92490b32bef757f4bc5bf4f3ed2
[INFO] running `Command { std: "docker" "start" "-a" "e5017d9df37b6985b3b7eaad68fb8b527a56e92490b32bef757f4bc5bf4f3ed2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking serde v1.0.25
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking crossbeam v0.3.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.18.1
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking humantime v1.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.25
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]     Checking log v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking structopt v0.1.6
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking chip8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/sdl2_peripherals.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/sdl2_peripherals.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 22.80s
[INFO] running `Command { std: "docker" "inspect" "e5017d9df37b6985b3b7eaad68fb8b527a56e92490b32bef757f4bc5bf4f3ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5017d9df37b6985b3b7eaad68fb8b527a56e92490b32bef757f4bc5bf4f3ed2", kill_on_drop: false }`
[INFO] [stdout] e5017d9df37b6985b3b7eaad68fb8b527a56e92490b32bef757f4bc5bf4f3ed2