[INFO] fetching crate libtetris 0.0.6...
[INFO] building libtetris-0.0.6 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate libtetris 0.0.6 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate libtetris 0.0.6 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-5-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 449c872035670a5bc601713195bf6354fc23aa7b9f60b62693608ab984311fe9
[INFO] running `Command { std: "docker" "start" "-a" "449c872035670a5bc601713195bf6354fc23aa7b9f60b62693608ab984311fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "449c872035670a5bc601713195bf6354fc23aa7b9f60b62693608ab984311fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449c872035670a5bc601713195bf6354fc23aa7b9f60b62693608ab984311fe9", kill_on_drop: false }`
[INFO] [stdout] 449c872035670a5bc601713195bf6354fc23aa7b9f60b62693608ab984311fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0175c1dfe2c3b244608e3076ab95c8b5d15a25ab36edbda62beceb8a63458ec9
[INFO] running `Command { std: "docker" "start" "-a" "0175c1dfe2c3b244608e3076ab95c8b5d15a25ab36edbda62beceb8a63458ec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "0175c1dfe2c3b244608e3076ab95c8b5d15a25ab36edbda62beceb8a63458ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0175c1dfe2c3b244608e3076ab95c8b5d15a25ab36edbda62beceb8a63458ec9", kill_on_drop: false }`
[INFO] [stdout] 0175c1dfe2c3b244608e3076ab95c8b5d15a25ab36edbda62beceb8a63458ec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cfe176c2ec0a233e6ff88c5adf047c319a42f490ea95275151c3e09c028df60
[INFO] running `Command { std: "docker" "start" "-a" "5cfe176c2ec0a233e6ff88c5adf047c319a42f490ea95275151c3e09c028df60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[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] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "5cfe176c2ec0a233e6ff88c5adf047c319a42f490ea95275151c3e09c028df60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfe176c2ec0a233e6ff88c5adf047c319a42f490ea95275151c3e09c028df60", kill_on_drop: false }`
[INFO] [stdout] 5cfe176c2ec0a233e6ff88c5adf047c319a42f490ea95275151c3e09c028df60