[INFO] cloning repository https://github.com/DevinR528/iloc-opt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevinR528/iloc-opt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Filoc-opt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Filoc-opt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd8a27ebd9f52793a40d6b83689f62a2b3f8a1d0
[INFO] testing DevinR528/iloc-opt against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Filoc-opt" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DevinR528/iloc-opt on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DevinR528/iloc-opt
[INFO] finished tweaking git repo https://github.com/DevinR528/iloc-opt
[INFO] tweaked toml for git repo https://github.com/DevinR528/iloc-opt written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DevinR528/iloc-opt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d22c2c95c47ca0a287d904e22cba9239f618f856311a226c3097b9d7a7009702
[INFO] running `Command { std: "docker" "start" "-a" "d22c2c95c47ca0a287d904e22cba9239f618f856311a226c3097b9d7a7009702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d22c2c95c47ca0a287d904e22cba9239f618f856311a226c3097b9d7a7009702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22c2c95c47ca0a287d904e22cba9239f618f856311a226c3097b9d7a7009702", kill_on_drop: false }`
[INFO] [stdout] d22c2c95c47ca0a287d904e22cba9239f618f856311a226c3097b9d7a7009702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a835621087f73c770ed7be8ad20b529a8d66a8cda88fd53f4c4341cdc322eeb7
[INFO] running `Command { std: "docker" "start" "-a" "a835621087f73c770ed7be8ad20b529a8d66a8cda88fd53f4c4341cdc322eeb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling iloc-opt 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(
[INFO] [stdout] 2 | |     stmt_expr_attributes,
[INFO] [stdout] 3 | |     let_chains,
[INFO] [stdout] 4 | |     try_blocks,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     extract_if
[INFO] [stdout] 9 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     core_intrinsics,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     lazy_cell,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     extract_if
[INFO] [stdout]   |     ^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iloc-opt` (bin "iloc-opt") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "a835621087f73c770ed7be8ad20b529a8d66a8cda88fd53f4c4341cdc322eeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a835621087f73c770ed7be8ad20b529a8d66a8cda88fd53f4c4341cdc322eeb7", kill_on_drop: false }`
[INFO] [stdout] a835621087f73c770ed7be8ad20b529a8d66a8cda88fd53f4c4341cdc322eeb7
