[INFO] cloning repository https://github.com/horriblename/rcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/horriblename/rcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorriblename%2Frcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorriblename%2Frcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3712358ae5a8495730e5e1be840f4dc7540dafb4
[INFO] checking horriblename/rcc against nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhorriblename%2Frcc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/horriblename/rcc on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/horriblename/rcc
[INFO] finished tweaking git repo https://github.com/horriblename/rcc
[INFO] tweaked toml for git repo https://github.com/horriblename/rcc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/horriblename/rcc 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01b0342e3035e053d65b0d79399928bd8b27b744763ff11f35c280061ebc645a
[INFO] running `Command { std: "docker" "start" "-a" "01b0342e3035e053d65b0d79399928bd8b27b744763ff11f35c280061ebc645a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01b0342e3035e053d65b0d79399928bd8b27b744763ff11f35c280061ebc645a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b0342e3035e053d65b0d79399928bd8b27b744763ff11f35c280061ebc645a", kill_on_drop: false }`
[INFO] [stdout] 01b0342e3035e053d65b0d79399928bd8b27b744763ff11f35c280061ebc645a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3a46f3a62702fea56e86174ffc0c666ea01ab11a72d50d1cdb7eb02b0e9fea
[INFO] running `Command { std: "docker" "start" "-a" "da3a46f3a62702fea56e86174ffc0c666ea01ab11a72d50d1cdb7eb02b0e9fea", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> parser/src/lib.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn log_trying(msg: &str) {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking codegen v0.1.0 (/opt/rustwide/workdir/codegen)
[INFO] [stdout] warning: function `block` is never used
[INFO] [stdout]   --> parser/src/tests.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn block<'a>(expr: Vec<Stmt<'a>>) -> Block<'a> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "da3a46f3a62702fea56e86174ffc0c666ea01ab11a72d50d1cdb7eb02b0e9fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3a46f3a62702fea56e86174ffc0c666ea01ab11a72d50d1cdb7eb02b0e9fea", kill_on_drop: false }`
[INFO] [stdout] da3a46f3a62702fea56e86174ffc0c666ea01ab11a72d50d1cdb7eb02b0e9fea