[INFO] cloning repository https://github.com/ladislavdubravsky/playground-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ladislavdubravsky/playground-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fladislavdubravsky%2Fplayground-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fladislavdubravsky%2Fplayground-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ed33274845bb2956fdf7dcf663af404e898d8a3
[INFO] checking ladislavdubravsky/playground-rs against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fladislavdubravsky%2Fplayground-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ladislavdubravsky/playground-rs
[INFO] finished tweaking git repo https://github.com/ladislavdubravsky/playground-rs
[INFO] tweaked toml for git repo https://github.com/ladislavdubravsky/playground-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ladislavdubravsky/playground-rs on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ladislavdubravsky/playground-rs 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0488ab49dbfdc5d66efa17dbcf8547b5c34282b0f127975e62e7935e7cac2f85
[INFO] running `Command { std: "docker" "start" "-a" "0488ab49dbfdc5d66efa17dbcf8547b5c34282b0f127975e62e7935e7cac2f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0488ab49dbfdc5d66efa17dbcf8547b5c34282b0f127975e62e7935e7cac2f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0488ab49dbfdc5d66efa17dbcf8547b5c34282b0f127975e62e7935e7cac2f85", kill_on_drop: false }`
[INFO] [stdout] 0488ab49dbfdc5d66efa17dbcf8547b5c34282b0f127975e62e7935e7cac2f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b1962c75653943692274e40c1d8e10b01c49d4678f13ad9938cf6eb351a3aa0
[INFO] running `Command { std: "docker" "start" "-a" "4b1962c75653943692274e40c1d8e10b01c49d4678f13ad9938cf6eb351a3aa0", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.6.1
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[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> macros/examples/03_proc.rs:5:53
[INFO] [stdout]   |
[INFO] [stdout] 5 |     get_third_token!({ let a = 1; } { x + 3 } { let b = 4; });
[INFO] [stdout]   |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.34s
[INFO] running `Command { std: "docker" "inspect" "4b1962c75653943692274e40c1d8e10b01c49d4678f13ad9938cf6eb351a3aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1962c75653943692274e40c1d8e10b01c49d4678f13ad9938cf6eb351a3aa0", kill_on_drop: false }`
[INFO] [stdout] 4b1962c75653943692274e40c1d8e10b01c49d4678f13ad9938cf6eb351a3aa0