[INFO] fetching crate i8080emulator 0.1.0...
[INFO] building i8080emulator-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate i8080emulator 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate i8080emulator 0.1.0 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 i8080emulator 0.1.0
[INFO] finished tweaking crates.io crate i8080emulator 0.1.0
[INFO] tweaked toml for crates.io crate i8080emulator 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate i8080emulator 0.1.0 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1940c6c0c2ea7258c66f8c32b6f59f6a27548a45e44395524c0d75d3b41bf2e9
[INFO] running `Command { std: "docker" "start" "-a" "1940c6c0c2ea7258c66f8c32b6f59f6a27548a45e44395524c0d75d3b41bf2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1940c6c0c2ea7258c66f8c32b6f59f6a27548a45e44395524c0d75d3b41bf2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1940c6c0c2ea7258c66f8c32b6f59f6a27548a45e44395524c0d75d3b41bf2e9", kill_on_drop: false }`
[INFO] [stdout] 1940c6c0c2ea7258c66f8c32b6f59f6a27548a45e44395524c0d75d3b41bf2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 63187a893a154e37acd16933b29c5184f3037c6c2acc2195eb1cc3f0ff3c762e
[INFO] running `Command { std: "docker" "start" "-a" "63187a893a154e37acd16933b29c5184f3037c6c2acc2195eb1cc3f0ff3c762e", kill_on_drop: false }`
[INFO] [stderr]    Compiling i8080emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "63187a893a154e37acd16933b29c5184f3037c6c2acc2195eb1cc3f0ff3c762e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63187a893a154e37acd16933b29c5184f3037c6c2acc2195eb1cc3f0ff3c762e", kill_on_drop: false }`
[INFO] [stdout] 63187a893a154e37acd16933b29c5184f3037c6c2acc2195eb1cc3f0ff3c762e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 77b9e38af173ddef1627d553653e4aa82eb12e36e335aa7e05b1e0009e25171e
[INFO] running `Command { std: "docker" "start" "-a" "77b9e38af173ddef1627d553653e4aa82eb12e36e335aa7e05b1e0009e25171e", kill_on_drop: false }`
[INFO] [stderr]    Compiling i8080emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "77b9e38af173ddef1627d553653e4aa82eb12e36e335aa7e05b1e0009e25171e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b9e38af173ddef1627d553653e4aa82eb12e36e335aa7e05b1e0009e25171e", kill_on_drop: false }`
[INFO] [stdout] 77b9e38af173ddef1627d553653e4aa82eb12e36e335aa7e05b1e0009e25171e