[INFO] cloning repository https://github.com/mafraba/chip8r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mafraba/chip8r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafraba%2Fchip8r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafraba%2Fchip8r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee43622e4ebd80398c89c86be21e8763ebd09f23
[INFO] testing mafraba/chip8r against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafraba%2Fchip8r" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mafraba/chip8r on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mafraba/chip8r
[INFO] finished tweaking git repo https://github.com/mafraba/chip8r
[INFO] tweaked toml for git repo https://github.com/mafraba/chip8r written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mafraba/chip8r already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.30
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded libc v0.2.29
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.3
[INFO] [stderr]   Downloaded term_size v0.2.3
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded clap v2.19.3
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 958023c17cd53b23e4754b685b1a4760e83b38678e94dcb4462c81a478fc1a07
[INFO] running `Command { std: "docker" "start" "-a" "958023c17cd53b23e4754b685b1a4760e83b38678e94dcb4462c81a478fc1a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "958023c17cd53b23e4754b685b1a4760e83b38678e94dcb4462c81a478fc1a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958023c17cd53b23e4754b685b1a4760e83b38678e94dcb4462c81a478fc1a07", kill_on_drop: false }`
[INFO] [stdout] 958023c17cd53b23e4754b685b1a4760e83b38678e94dcb4462c81a478fc1a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c1cc064453486f07b44a5e7316b89d18070dc9cb11d7a5e872ed15f81799596
[INFO] running `Command { std: "docker" "start" "-a" "0c1cc064453486f07b44a5e7316b89d18070dc9cb11d7a5e872ed15f81799596", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling clap v2.19.3
[INFO] [stderr]    Compiling chan v0.1.19
[INFO] [stderr]    Compiling chip8r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/chip8/mod.rs:548:5
[INFO] [stdout]     |
[INFO] [stdout] 548 |     (((n0 as u16) << 12) | ((n1 as u16) << 8) | ((n2 as u16) << 4) | n3 as u16)
[INFO] [stdout]     |     ^                                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 548 -     (((n0 as u16) << 12) | ((n1 as u16) << 8) | ((n2 as u16) << 4) | n3 as u16)
[INFO] [stdout] 548 +     ((n0 as u16) << 12) | ((n1 as u16) << 8) | ((n2 as u16) << 4) | n3 as u16
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:48:81
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Err(why) => panic!("couldn't open input file '{}': {}", input_file, why.description()),
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8r` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0c1cc064453486f07b44a5e7316b89d18070dc9cb11d7a5e872ed15f81799596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1cc064453486f07b44a5e7316b89d18070dc9cb11d7a5e872ed15f81799596", kill_on_drop: false }`
[INFO] [stdout] 0c1cc064453486f07b44a5e7316b89d18070dc9cb11d7a5e872ed15f81799596