[INFO] cloning repository https://github.com/chungwong/rapier_maybe_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chungwong/rapier_maybe_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungwong%2Frapier_maybe_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungwong%2Frapier_maybe_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 680adf7c2779005904e70d60ef9a2110c179127c
[INFO] checking chungwong/rapier_maybe_bug against try#4d7187a26f9eb7e5000e28e28662298d34d2508f for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungwong%2Frapier_maybe_bug" "/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/chungwong/rapier_maybe_bug on toolchain 4d7187a26f9eb7e5000e28e28662298d34d2508f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/chungwong/rapier_maybe_bug
[INFO] finished tweaking git repo https://github.com/chungwong/rapier_maybe_bug
[INFO] tweaked toml for git repo https://github.com/chungwong/rapier_maybe_bug written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/chungwong/rapier_maybe_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "cb95bdb9b629bef5d51539ef83afc1a4983b0c083e2cc437f79bc221f8b85cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb95bdb9b629bef5d51539ef83afc1a4983b0c083e2cc437f79bc221f8b85cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb95bdb9b629bef5d51539ef83afc1a4983b0c083e2cc437f79bc221f8b85cd3", kill_on_drop: false }`
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[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" "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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `linvel` is never read
[INFO] [stdout]   --> src/ball.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Ball {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 13 |     linvel: Vec2,
[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: field `linvel` is never read
[INFO] [stdout]   --> src/ball.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Ball {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 13 |     linvel: Vec2,
[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 59s
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[INFO] [stdout] 858c12e64ae5f553bff26c9e7603ee1fef8d3cf8f6d9a7681a386915203348a3