[INFO] cloning repository https://github.com/yufengwng/loxscript
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yufengwng/loxscript" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Floxscript", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Floxscript'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9302d53e4abdc4dfef791b617da54a5a4706eb2
[INFO] checking yufengwng/loxscript against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Floxscript" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yufengwng/loxscript on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yufengwng/loxscript
[INFO] finished tweaking git repo https://github.com/yufengwng/loxscript
[INFO] tweaked toml for git repo https://github.com/yufengwng/loxscript written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yufengwng/loxscript already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26ee7d53a6492f9a19cd7f0c8b846dd998957c6c3ffb5f9612e0da66667f893b
[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" "26ee7d53a6492f9a19cd7f0c8b846dd998957c6c3ffb5f9612e0da66667f893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26ee7d53a6492f9a19cd7f0c8b846dd998957c6c3ffb5f9612e0da66667f893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ee7d53a6492f9a19cd7f0c8b846dd998957c6c3ffb5f9612e0da66667f893b", kill_on_drop: false }`
[INFO] [stdout] 26ee7d53a6492f9a19cd7f0c8b846dd998957c6c3ffb5f9612e0da66667f893b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e3725df07ff3313ecac1d3d6fee057d371d8741495ea724a1b59c20233cfbe9
[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" "1e3725df07ff3313ecac1d3d6fee057d371d8741495ea724a1b59c20233cfbe9", kill_on_drop: false }`
[INFO] [stderr]     Checking loxscript v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fn_kind`
[INFO] [stdout]    --> src/compile.rs:842:5
[INFO] [stdout]     |
[INFO] [stdout] 842 |     fn_kind: FnKind,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fn_kind`
[INFO] [stdout]    --> src/compile.rs:842:5
[INFO] [stdout]     |
[INFO] [stdout] 842 |     fn_kind: FnKind,
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "1e3725df07ff3313ecac1d3d6fee057d371d8741495ea724a1b59c20233cfbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3725df07ff3313ecac1d3d6fee057d371d8741495ea724a1b59c20233cfbe9", kill_on_drop: false }`
[INFO] [stdout] 1e3725df07ff3313ecac1d3d6fee057d371d8741495ea724a1b59c20233cfbe9