[INFO] cloning repository https://github.com/ailisp/featest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ailisp/featest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Failisp%2Ffeatest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Failisp%2Ffeatest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a8ddd12fa3f0ec0d58edccbef54a4e889ef2be1
[INFO] checking ailisp/featest against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Failisp%2Ffeatest" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ailisp/featest on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ailisp/featest
[INFO] finished tweaking git repo https://github.com/ailisp/featest
[INFO] tweaked toml for git repo https://github.com/ailisp/featest written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ailisp/featest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad900a04d7158f0871d0396247622057aed597a6462cd1fc9a6c744f0e553166
[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" "ad900a04d7158f0871d0396247622057aed597a6462cd1fc9a6c744f0e553166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad900a04d7158f0871d0396247622057aed597a6462cd1fc9a6c744f0e553166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad900a04d7158f0871d0396247622057aed597a6462cd1fc9a6c744f0e553166", kill_on_drop: false }`
[INFO] [stdout] ad900a04d7158f0871d0396247622057aed597a6462cd1fc9a6c744f0e553166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4437493a46511a05c2c81c7a47f062b45367feaa7df2ddb4fdd7bd981deb355
[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" "f4437493a46511a05c2c81c7a47f062b45367feaa7df2ddb4fdd7bd981deb355", kill_on_drop: false }`
[INFO] [stderr]     Checking p1 v0.1.0 (/opt/rustwide/workdir/p1)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> p1/src/lib.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         panic!("should not foo");
[INFO] [stdout]   |         ------------------------- any code following this expression is unreachable
[INFO] [stdout] 7 |         println!("aaa");
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking p2 v0.1.0 (/opt/rustwide/workdir/p2)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "f4437493a46511a05c2c81c7a47f062b45367feaa7df2ddb4fdd7bd981deb355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4437493a46511a05c2c81c7a47f062b45367feaa7df2ddb4fdd7bd981deb355", kill_on_drop: false }`
[INFO] [stdout] f4437493a46511a05c2c81c7a47f062b45367feaa7df2ddb4fdd7bd981deb355