[INFO] cloning repository https://github.com/ClockworkG/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClockworkG/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClockworkG%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClockworkG%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92f578ad0a0fe0992d90f2e9b56c1ecada9bfd83
[INFO] checking ClockworkG/chip8 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClockworkG%2Fchip8" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ClockworkG/chip8 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ClockworkG/chip8
[INFO] finished tweaking git repo https://github.com/ClockworkG/chip8
[INFO] tweaked toml for git repo https://github.com/ClockworkG/chip8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ClockworkG/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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 orbclient v0.3.27
[INFO] [stderr]   Downloaded rustyline v5.0.3
[INFO] [stderr]   Downloaded minifb v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4bd3b39157876dc7a4b4c1df56e733e046d4c526df0db60ff281c45564ab265
[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" "e4bd3b39157876dc7a4b4c1df56e733e046d4c526df0db60ff281c45564ab265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4bd3b39157876dc7a4b4c1df56e733e046d4c526df0db60ff281c45564ab265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bd3b39157876dc7a4b4c1df56e733e046d4c526df0db60ff281c45564ab265", kill_on_drop: false }`
[INFO] [stdout] e4bd3b39157876dc7a4b4c1df56e733e046d4c526df0db60ff281c45564ab265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b513efee10b13ee0b57018dfef64e14acfc7dec9648084d7a9b87f077ef46e7
[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" "4b513efee10b13ee0b57018dfef64e14acfc7dec9648084d7a9b87f077ef46e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rustyline v5.0.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `memory::MainMemory` in the current scope
[INFO] [stdout]    --> src/memory.rs:186:35
[INFO] [stdout]     |
[INFO] [stdout] 17  | pub struct MainMemory {
[INFO] [stdout]     | --------------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 186 |         let mut mem = MainMemory::new();
[INFO] [stdout]     |                                   ^^^ function or associated item not found in `memory::MainMemory`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following traits define an item `new`, perhaps you need to implement one of them:
[INFO] [stdout]             candidate #1: `rustyline::tty::Term`
[INFO] [stdout]             candidate #2: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `memory::MainMemory` in the current scope
[INFO] [stdout]    --> src/memory.rs:193:35
[INFO] [stdout]     |
[INFO] [stdout] 17  | pub struct MainMemory {
[INFO] [stdout]     | --------------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 193 |         let mut mem = MainMemory::new();
[INFO] [stdout]     |                                   ^^^ function or associated item not found in `memory::MainMemory`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following traits define an item `new`, perhaps you need to implement one of them:
[INFO] [stdout]             candidate #1: `rustyline::tty::Term`
[INFO] [stdout]             candidate #2: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `memory::MainMemory` in the current scope
[INFO] [stdout]    --> src/memory.rs:201:35
[INFO] [stdout]     |
[INFO] [stdout] 17  | pub struct MainMemory {
[INFO] [stdout]     | --------------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 201 |         let mut mem = MainMemory::new();
[INFO] [stdout]     |                                   ^^^ function or associated item not found in `memory::MainMemory`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following traits define an item `new`, perhaps you need to implement one of them:
[INFO] [stdout]             candidate #1: `rustyline::tty::Term`
[INFO] [stdout]             candidate #2: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `memory::MainMemory` in the current scope
[INFO] [stdout]    --> src/memory.rs:208:31
[INFO] [stdout]     |
[INFO] [stdout] 17  | pub struct MainMemory {
[INFO] [stdout]     | --------------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 208 |         let mem = MainMemory::new();
[INFO] [stdout]     |                               ^^^ function or associated item not found in `memory::MainMemory`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following traits define an item `new`, perhaps you need to implement one of them:
[INFO] [stdout]             candidate #1: `rustyline::tty::Term`
[INFO] [stdout]             candidate #2: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip-8`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4b513efee10b13ee0b57018dfef64e14acfc7dec9648084d7a9b87f077ef46e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b513efee10b13ee0b57018dfef64e14acfc7dec9648084d7a9b87f077ef46e7", kill_on_drop: false }`
[INFO] [stdout] 4b513efee10b13ee0b57018dfef64e14acfc7dec9648084d7a9b87f077ef46e7