[INFO] fetching crate rhai 0.19.10...
[INFO] checking rhai-0.19.10 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate rhai 0.19.10 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rhai 0.19.10 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhai 0.19.10
[INFO] finished tweaking crates.io crate rhai 0.19.10
[INFO] tweaked toml for crates.io crate rhai 0.19.10 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rhai 0.19.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b06ac3b6207e230ced04247b2e99c751bb69d3d04331abd6889ce506a658ac4
[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" "5b06ac3b6207e230ced04247b2e99c751bb69d3d04331abd6889ce506a658ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b06ac3b6207e230ced04247b2e99c751bb69d3d04331abd6889ce506a658ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b06ac3b6207e230ced04247b2e99c751bb69d3d04331abd6889ce506a658ac4", kill_on_drop: false }`
[INFO] [stdout] 5b06ac3b6207e230ced04247b2e99c751bb69d3d04331abd6889ce506a658ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3774aedb43e2219c527ecfe080546317cbc137c203999a08d4b823d52a39f3dd
[INFO] running `Command { std: "docker" "start" "-a" "3774aedb43e2219c527ecfe080546317cbc137c203999a08d4b823d52a39f3dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling rhai_codegen v0.3.1
[INFO] [stderr]     Checking rhai v0.19.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Bar`
[INFO] [stdout]   --> tests/switch.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Bar(INT),
[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 1m 05s
[INFO] running `Command { std: "docker" "inspect" "3774aedb43e2219c527ecfe080546317cbc137c203999a08d4b823d52a39f3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3774aedb43e2219c527ecfe080546317cbc137c203999a08d4b823d52a39f3dd", kill_on_drop: false }`
[INFO] [stdout] 3774aedb43e2219c527ecfe080546317cbc137c203999a08d4b823d52a39f3dd