[INFO] fetching crate libtetris 0.0.6...
[INFO] checking libtetris-0.0.6 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate libtetris 0.0.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate libtetris 0.0.6 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libtetris 0.0.6
[INFO] finished tweaking crates.io crate libtetris 0.0.6
[INFO] tweaked toml for crates.io crate libtetris 0.0.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate libtetris 0.0.6 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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d175d619b95862993eaf338d6d7ea72e3cbc1b8765a2b7d0663dcf20b0dd8ecc
[INFO] running `Command { std: "docker" "start" "-a" "d175d619b95862993eaf338d6d7ea72e3cbc1b8765a2b7d0663dcf20b0dd8ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d175d619b95862993eaf338d6d7ea72e3cbc1b8765a2b7d0663dcf20b0dd8ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d175d619b95862993eaf338d6d7ea72e3cbc1b8765a2b7d0663dcf20b0dd8ecc", kill_on_drop: false }`
[INFO] [stdout] d175d619b95862993eaf338d6d7ea72e3cbc1b8765a2b7d0663dcf20b0dd8ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 934c0b7365395676b464e9c14e10e63513c4b3ac79aef5af095de0f0e29b8efc
[INFO] running `Command { std: "docker" "start" "-a" "934c0b7365395676b464e9c14e10e63513c4b3ac79aef5af095de0f0e29b8efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking libtetris v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StaticRand` is never constructed
[INFO] [stdout]  --> src/game.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct StaticRand;
[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]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: struct `StaticRand` is never constructed
[INFO] [stdout]  --> src/game.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct StaticRand;
[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` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "934c0b7365395676b464e9c14e10e63513c4b3ac79aef5af095de0f0e29b8efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934c0b7365395676b464e9c14e10e63513c4b3ac79aef5af095de0f0e29b8efc", kill_on_drop: false }`
[INFO] [stdout] 934c0b7365395676b464e9c14e10e63513c4b3ac79aef5af095de0f0e29b8efc