[INFO] cloning repository https://github.com/Srynetix/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Srynetix/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSrynetix%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSrynetix%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac6233df21039a00e3f56a5d44f05c50573e552b
[INFO] checking Srynetix/chip8 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSrynetix%2Fchip8" "/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/Srynetix/chip8 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Srynetix/chip8
[INFO] finished tweaking git repo https://github.com/Srynetix/chip8
[INFO] tweaked toml for git repo https://github.com/Srynetix/chip8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Srynetix/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.3
[INFO] [stderr]   Downloaded backtrace v0.3.37
[INFO] [stderr]   Downloaded fern v0.5.8
[INFO] [stderr]   Downloaded rustyline v5.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.100
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded serde v1.0.100
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 902060eaf1e3eac2cba2fd6911d9f9aab4637095d9017d99bf0c91d042c389df
[INFO] running `Command { std: "docker" "start" "-a" "902060eaf1e3eac2cba2fd6911d9f9aab4637095d9017d99bf0c91d042c389df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902060eaf1e3eac2cba2fd6911d9f9aab4637095d9017d99bf0c91d042c389df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902060eaf1e3eac2cba2fd6911d9f9aab4637095d9017d99bf0c91d042c389df", kill_on_drop: false }`
[INFO] [stdout] 902060eaf1e3eac2cba2fd6911d9f9aab4637095d9017d99bf0c91d042c389df
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10fb788f93d45cce403fd220bfe0867beebf786cbd9464e0a62e375c04c954d5
[INFO] running `Command { std: "docker" "start" "-a" "10fb788f93d45cce403fd220bfe0867beebf786cbd9464e0a62e375c04c954d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling chip8 v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking rustyline v5.0.2
[INFO] [stdout] warning: field is never read: `frametime`
[INFO] [stdout]   --> src/emulator.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     frametime: PreciseTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frametime`
[INFO] [stdout]   --> src/emulator.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     frametime: PreciseTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.52s
[INFO] running `Command { std: "docker" "inspect" "10fb788f93d45cce403fd220bfe0867beebf786cbd9464e0a62e375c04c954d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fb788f93d45cce403fd220bfe0867beebf786cbd9464e0a62e375c04c954d5", kill_on_drop: false }`
[INFO] [stdout] 10fb788f93d45cce403fd220bfe0867beebf786cbd9464e0a62e375c04c954d5