[INFO] cloning repository https://github.com/Iorveth/EnoRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Iorveth/EnoRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIorveth%2FEnoRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIorveth%2FEnoRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65da7fcc6b567ac729ee6aff929c73a487a33ffe
[INFO] checking Iorveth/EnoRust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIorveth%2FEnoRust" "/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/Iorveth/EnoRust 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/Iorveth/EnoRust
[INFO] finished tweaking git repo https://github.com/Iorveth/EnoRust
[INFO] tweaked toml for git repo https://github.com/Iorveth/EnoRust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Iorveth/EnoRust 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] 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" "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] c26670733b3d8073860148a6123568765c0f7a34fdb0a49380771c7102501a53
[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" "c26670733b3d8073860148a6123568765c0f7a34fdb0a49380771c7102501a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c26670733b3d8073860148a6123568765c0f7a34fdb0a49380771c7102501a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26670733b3d8073860148a6123568765c0f7a34fdb0a49380771c7102501a53", kill_on_drop: false }`
[INFO] [stdout] c26670733b3d8073860148a6123568765c0f7a34fdb0a49380771c7102501a53
[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=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] e84c7cdf3214b1de44a06c39fac6feaa6a9254bcff7820b58b1fca9e65d2cb68
[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" "e84c7cdf3214b1de44a06c39fac6feaa6a9254bcff7820b58b1fca9e65d2cb68", kill_on_drop: false }`
[INFO] [stderr]    Compiling onig_sys v69.0.0 (https://github.com/Iorveth/rust-onig#64679179)
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking onig v4.2.0 (https://github.com/Iorveth/rust-onig#64679179)
[INFO] [stderr]     Checking eno_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `instr` is never read
[INFO] [stdout]    --> src/tokenizer.rs:665:25
[INFO] [stdout]     |
[INFO] [stdout] 665 |                     let mut instr = HashMap::new();
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block` is never read
[INFO] [stdout]    --> src/tokenizer.rs:774:17
[INFO] [stdout]     |
[INFO] [stdout] 774 |                 block = true;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instr` is never read
[INFO] [stdout]    --> src/tokenizer.rs:665:25
[INFO] [stdout]     |
[INFO] [stdout] 665 |                     let mut instr = HashMap::new();
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block` is never read
[INFO] [stdout]    --> src/tokenizer.rs:774:17
[INFO] [stdout]     |
[INFO] [stdout] 774 |                 block = true;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 13.73s
[INFO] running `Command { std: "docker" "inspect" "e84c7cdf3214b1de44a06c39fac6feaa6a9254bcff7820b58b1fca9e65d2cb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84c7cdf3214b1de44a06c39fac6feaa6a9254bcff7820b58b1fca9e65d2cb68", kill_on_drop: false }`
[INFO] [stdout] e84c7cdf3214b1de44a06c39fac6feaa6a9254bcff7820b58b1fca9e65d2cb68