[INFO] cloning repository https://github.com/patrickpissurno/rust_embedded_v8_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickpissurno/rust_embedded_v8_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickpissurno%2Frust_embedded_v8_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickpissurno%2Frust_embedded_v8_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32dc357550037cf7bbeb9deb9dc55bf86dbb24e9
[INFO] checking patrickpissurno/rust_embedded_v8_example against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickpissurno%2Frust_embedded_v8_example" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/patrickpissurno/rust_embedded_v8_example
[INFO] finished tweaking git repo https://github.com/patrickpissurno/rust_embedded_v8_example
[INFO] tweaked toml for git repo https://github.com/patrickpissurno/rust_embedded_v8_example written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/patrickpissurno/rust_embedded_v8_example on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/patrickpissurno/rust_embedded_v8_example 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5933a7828ffc3e3e7af862438783ff0510993138e25332a3ce40d7abaab334c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5933a7828ffc3e3e7af862438783ff0510993138e25332a3ce40d7abaab334c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5933a7828ffc3e3e7af862438783ff0510993138e25332a3ce40d7abaab334c5", kill_on_drop: false }`
[INFO] [stdout] 5933a7828ffc3e3e7af862438783ff0510993138e25332a3ce40d7abaab334c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ce2cc77d6ed0a811fcb99d31bc3843fdd424947fd8ba9f7f4467eef2adbfc7
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[INFO] [stdout] warning: field `fill` is never read
[INFO] [stdout]   --> src/js_widgets/rectangle.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Rectangle {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fill: Option<bool>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fill` is never read
[INFO] [stdout]   --> src/js_widgets/rectangle.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Rectangle {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fill: Option<bool>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "15ce2cc77d6ed0a811fcb99d31bc3843fdd424947fd8ba9f7f4467eef2adbfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ce2cc77d6ed0a811fcb99d31bc3843fdd424947fd8ba9f7f4467eef2adbfc7", kill_on_drop: false }`
[INFO] [stdout] 15ce2cc77d6ed0a811fcb99d31bc3843fdd424947fd8ba9f7f4467eef2adbfc7