[INFO] cloning repository https://github.com/nooberfsh/eac2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nooberfsh/eac2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Feac2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Feac2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35345092d43b5d39848434a1eb3ceadfc70fe8ea
[INFO] testing nooberfsh/eac2 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Feac2" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nooberfsh/eac2 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/nooberfsh/eac2
[INFO] finished tweaking git repo https://github.com/nooberfsh/eac2
[INFO] tweaked toml for git repo https://github.com/nooberfsh/eac2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nooberfsh/eac2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1a984adc426e91aafab86183c6c293f26ac07645084539a6eb536f68788f0bc
[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" "e1a984adc426e91aafab86183c6c293f26ac07645084539a6eb536f68788f0bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a984adc426e91aafab86183c6c293f26ac07645084539a6eb536f68788f0bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a984adc426e91aafab86183c6c293f26ac07645084539a6eb536f68788f0bc", kill_on_drop: false }`
[INFO] [stdout] e1a984adc426e91aafab86183c6c293f26ac07645084539a6eb536f68788f0bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] d9468c9d8ba8c74c9dbd596533b03285f170466b3f19e65b8b119327d35a7efa
[INFO] running `Command { std: "docker" "start" "-a" "d9468c9d8ba8c74c9dbd596533b03285f170466b3f19e65b8b119327d35a7efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling eac2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cfg`
[INFO] [stdout]   --> src/parser/mod.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     cfg: CFG,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `CFGWithoutLeftRecursion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser/mod.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eac2` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d9468c9d8ba8c74c9dbd596533b03285f170466b3f19e65b8b119327d35a7efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9468c9d8ba8c74c9dbd596533b03285f170466b3f19e65b8b119327d35a7efa", kill_on_drop: false }`
[INFO] [stdout] d9468c9d8ba8c74c9dbd596533b03285f170466b3f19e65b8b119327d35a7efa