[INFO] cloning repository https://github.com/Nyrox/turing-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nyrox/turing-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fturing-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fturing-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e304c8209dd9796710f427c6a0a371356c3d153
[INFO] checking Nyrox/turing-rs against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fturing-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nyrox/turing-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nyrox/turing-rs
[INFO] finished tweaking git repo https://github.com/Nyrox/turing-rs
[INFO] tweaked toml for git repo https://github.com/Nyrox/turing-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Nyrox/turing-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d999822c5be8b8fd31975c1e33c59ec0b773e6606e7f717f5c8bade9bcf2591d
[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" "d999822c5be8b8fd31975c1e33c59ec0b773e6606e7f717f5c8bade9bcf2591d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d999822c5be8b8fd31975c1e33c59ec0b773e6606e7f717f5c8bade9bcf2591d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d999822c5be8b8fd31975c1e33c59ec0b773e6606e7f717f5c8bade9bcf2591d", kill_on_drop: false }`
[INFO] [stdout] d999822c5be8b8fd31975c1e33c59ec0b773e6606e7f717f5c8bade9bcf2591d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7aaed95d8315dbaa976f5720df8d5ef8046daf81ce4cbcbc5b340e3524acb92
[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" "f7aaed95d8315dbaa976f5720df8d5ef8046daf81ce4cbcbc5b340e3524acb92", kill_on_drop: false }`
[INFO] [stderr]     Checking turing-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Stay`
[INFO] [stdout]    --> src/turing.rs:154:2
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Stay,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Blank` should have an upper case name
[INFO] [stdout]  --> src/turing.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const Blank: Alphabet = 255;
[INFO] [stdout]   |           ^^^^^ help: convert the identifier to upper case: `BLANK`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stay`
[INFO] [stdout]    --> src/turing.rs:154:2
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Stay,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `Blank` should have an upper case name
[INFO] [stdout]  --> src/turing.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const Blank: Alphabet = 255;
[INFO] [stdout]   |           ^^^^^ help: convert the identifier to upper case: `BLANK`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "f7aaed95d8315dbaa976f5720df8d5ef8046daf81ce4cbcbc5b340e3524acb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7aaed95d8315dbaa976f5720df8d5ef8046daf81ce4cbcbc5b340e3524acb92", kill_on_drop: false }`
[INFO] [stdout] f7aaed95d8315dbaa976f5720df8d5ef8046daf81ce4cbcbc5b340e3524acb92
