[INFO] cloning repository https://github.com/davnavr/MiddleC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davnavr/MiddleC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnavr%2FMiddleC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnavr%2FMiddleC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fe2278f29eff7d35b63254654c6b86f34c602a4
[INFO] checking davnavr/MiddleC/6fe2278f29eff7d35b63254654c6b86f34c602a4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnavr%2FMiddleC" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davnavr/MiddleC on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davnavr/MiddleC
[INFO] finished tweaking git repo https://github.com/davnavr/MiddleC
[INFO] tweaked toml for git repo https://github.com/davnavr/MiddleC written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davnavr/MiddleC 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating git repository `https://github.com/davnavr/SAILAR-lang`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 124d2ef456c3bbdf2b2d1f6939a791735d63c33298ba9cacf532ca2936dcbcb2
[INFO] running `Command { std: "docker" "start" "-a" "124d2ef456c3bbdf2b2d1f6939a791735d63c33298ba9cacf532ca2936dcbcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "124d2ef456c3bbdf2b2d1f6939a791735d63c33298ba9cacf532ca2936dcbcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124d2ef456c3bbdf2b2d1f6939a791735d63c33298ba9cacf532ca2936dcbcb2", kill_on_drop: false }`
[INFO] [stdout] 124d2ef456c3bbdf2b2d1f6939a791735d63c33298ba9cacf532ca2936dcbcb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71ee647cb3541fbe3d98a60a4ae2850dc0985863ff85e3b146b6a4005b358d6
[INFO] running `Command { std: "docker" "start" "-a" "f71ee647cb3541fbe3d98a60a4ae2850dc0985863ff85e3b146b6a4005b358d6", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking sailar v0.1.0 (https://github.com/davnavr/SAILAR-lang?rev=cf303c9e3b904c8df4e3a9689a73a5183815fbbd#cf303c9e)
[INFO] [stderr]     Checking middlec-compiler v0.1.0 (/opt/rustwide/workdir/middlec-compiler)
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]    --> middlec-compiler/src/parser.rs:303:25
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn repeat_parser<'t, T>(tokens: Tokens<'t>, parser: Parser<'t, T>) -> MatchResult<'t, Vec<T>> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> middlec-compiler/src/parser.rs:303:45
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn repeat_parser<'t, T>(tokens: Tokens<'t>, parser: Parser<'t, T>) -> MatchResult<'t, Vec<T>> {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]    --> middlec-compiler/src/parser.rs:303:25
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn repeat_parser<'t, T>(tokens: Tokens<'t>, parser: Parser<'t, T>) -> MatchResult<'t, Vec<T>> {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> middlec-compiler/src/parser.rs:303:45
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn repeat_parser<'t, T>(tokens: Tokens<'t>, parser: Parser<'t, T>) -> MatchResult<'t, Vec<T>> {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[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` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "f71ee647cb3541fbe3d98a60a4ae2850dc0985863ff85e3b146b6a4005b358d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71ee647cb3541fbe3d98a60a4ae2850dc0985863ff85e3b146b6a4005b358d6", kill_on_drop: false }`
[INFO] [stdout] f71ee647cb3541fbe3d98a60a4ae2850dc0985863ff85e3b146b6a4005b358d6