[INFO] cloning repository https://github.com/jonas-schievink/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonas-schievink/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonas-schievink%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonas-schievink%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71410220ef5cce507677bce8f3c1cc2f2bba0b9c
[INFO] checking jonas-schievink/chip-8 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonas-schievink%2Fchip-8" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonas-schievink/chip-8 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonas-schievink/chip-8
[INFO] finished tweaking git repo https://github.com/jonas-schievink/chip-8
[INFO] tweaked toml for git repo https://github.com/jonas-schievink/chip-8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jonas-schievink/chip-8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gdi32-sys v0.1.1
[INFO] [stderr]   Downloaded fs2 v0.2.5
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded unicode-width v0.1.3
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded regex-syntax v0.3.3
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded enum-set v0.0.6
[INFO] [stderr]   Downloaded env_logger v0.3.3
[INFO] [stderr]   Downloaded user32-sys v0.1.2
[INFO] [stderr]   Downloaded regex v0.1.71
[INFO] [stderr]   Downloaded dylib v0.0.1
[INFO] [stderr]   Downloaded thread_local v0.2.6
[INFO] [stderr]   Downloaded memmap v0.4.0
[INFO] [stderr]   Downloaded ansi_term v0.7.2
[INFO] [stderr]   Downloaded strsim v0.4.1
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded kernel32-sys v0.1.4
[INFO] [stderr]   Downloaded fnv v1.0.2
[INFO] [stderr]   Downloaded x11-dl v2.2.1
[INFO] [stderr]   Downloaded aho-corasick v0.5.2
[INFO] [stderr]   Downloaded gcc v0.3.28
[INFO] [stderr]   Downloaded minifb v0.7.1
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] [stderr]   Downloaded clap v2.6.0
[INFO] [stderr]   Downloaded libc v0.2.12
[INFO] [stderr]   Downloaded winapi v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a99204e00dc922d47c468688d4749b59da7227243513e29501584d7b2c61867f
[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" "a99204e00dc922d47c468688d4749b59da7227243513e29501584d7b2c61867f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a99204e00dc922d47c468688d4749b59da7227243513e29501584d7b2c61867f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99204e00dc922d47c468688d4749b59da7227243513e29501584d7b2c61867f", kill_on_drop: false }`
[INFO] [stdout] a99204e00dc922d47c468688d4749b59da7227243513e29501584d7b2c61867f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 7a30e74c58a1150bad092b7eec4eafc3d2059537dda1a3bacd0611c1efbc9045
[INFO] running `Command { std: "docker" "start" "-a" "7a30e74c58a1150bad092b7eec4eafc3d2059537dda1a3bacd0611c1efbc9045", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.12
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.3.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking ansi_term v0.7.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking enum-set v0.0.6
[INFO] [stderr]     Checking fnv v1.0.2
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking clap v2.6.0
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking x11-dl v2.2.1
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]    Compiling minifb v0.7.1
[INFO] [stderr]     Checking regex v0.1.71
[INFO] [stderr]     Checking env_logger v0.3.3
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut file = try!(File::open(rom_path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     try!(file.read_to_end(&mut rom));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut file = try!(File::open(rom_path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     try!(file.read_to_end(&mut rom));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let mut pixref = &mut state.fb[y_total * 64 + x_total];
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             let mut pixref = &mut state.fb[y_total * 64 + x_total];
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "7a30e74c58a1150bad092b7eec4eafc3d2059537dda1a3bacd0611c1efbc9045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a30e74c58a1150bad092b7eec4eafc3d2059537dda1a3bacd0611c1efbc9045", kill_on_drop: false }`
[INFO] [stdout] 7a30e74c58a1150bad092b7eec4eafc3d2059537dda1a3bacd0611c1efbc9045