[INFO] cloning repository https://github.com/DSWhiteHat/c_borrow_checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DSWhiteHat/c_borrow_checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSWhiteHat%2Fc_borrow_checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSWhiteHat%2Fc_borrow_checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a2c232110431a374ee390f83b6c06c4ffd619e4
[INFO] testing DSWhiteHat/c_borrow_checker against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSWhiteHat%2Fc_borrow_checker" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DSWhiteHat/c_borrow_checker 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/DSWhiteHat/c_borrow_checker
[INFO] finished tweaking git repo https://github.com/DSWhiteHat/c_borrow_checker
[INFO] tweaked toml for git repo https://github.com/DSWhiteHat/c_borrow_checker written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DSWhiteHat/c_borrow_checker 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lang-c v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 06f5283bea48710027e57fabb0fe2d512b6741fd29cdf58942012dfc70f78784
[INFO] running `Command { std: "docker" "start" "-a" "06f5283bea48710027e57fabb0fe2d512b6741fd29cdf58942012dfc70f78784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06f5283bea48710027e57fabb0fe2d512b6741fd29cdf58942012dfc70f78784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f5283bea48710027e57fabb0fe2d512b6741fd29cdf58942012dfc70f78784", kill_on_drop: false }`
[INFO] [stdout] 06f5283bea48710027e57fabb0fe2d512b6741fd29cdf58942012dfc70f78784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e432784bcd1a9f809ee61b58a5e883d12baa09feb454f922d7c13bf3fe19655d
[INFO] running `Command { std: "docker" "start" "-a" "e432784bcd1a9f809ee61b58a5e883d12baa09feb454f922d7c13bf3fe19655d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling lang-c v0.15.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.2
[INFO] [stderr]    Compiling c_borrow_checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lang_c::loc`
[INFO] [stdout]  --> src/ast_traversal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lang_c::loc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(iter_intersperse)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c_borrow_checker` (bin "c_borrow_checker") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e432784bcd1a9f809ee61b58a5e883d12baa09feb454f922d7c13bf3fe19655d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e432784bcd1a9f809ee61b58a5e883d12baa09feb454f922d7c13bf3fe19655d", kill_on_drop: false }`
[INFO] [stdout] e432784bcd1a9f809ee61b58a5e883d12baa09feb454f922d7c13bf3fe19655d
