[INFO] cloning repository https://github.com/buu-huu/bbb-gpioctl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buu-huu/bbb-gpioctl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuu-huu%2Fbbb-gpioctl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuu-huu%2Fbbb-gpioctl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 219c68491de9ba4ac7191aec4326d9b44fc4f8bb
[INFO] building buu-huu/bbb-gpioctl against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuu-huu%2Fbbb-gpioctl" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buu-huu/bbb-gpioctl 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 git repo https://github.com/buu-huu/bbb-gpioctl
[INFO] finished tweaking git repo https://github.com/buu-huu/bbb-gpioctl
[INFO] tweaked toml for git repo https://github.com/buu-huu/bbb-gpioctl written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/buu-huu/bbb-gpioctl 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 442a8840b853319fac54846891a0640a0ca6ade608231be3225862619b8b6873
[INFO] running `Command { std: "docker" "start" "-a" "442a8840b853319fac54846891a0640a0ca6ade608231be3225862619b8b6873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "442a8840b853319fac54846891a0640a0ca6ade608231be3225862619b8b6873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442a8840b853319fac54846891a0640a0ca6ade608231be3225862619b8b6873", kill_on_drop: false }`
[INFO] [stdout] 442a8840b853319fac54846891a0640a0ca6ade608231be3225862619b8b6873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c925393e564683e2bbd812029ba378b4723d7ee7deb331112054eb2abe235c51
[INFO] running `Command { std: "docker" "start" "-a" "c925393e564683e2bbd812029ba378b4723d7ee7deb331112054eb2abe235c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling gpioctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `modes` is never read
[INFO] [stdout]    --> src/gpio.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Gpio {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 278 |     pub modes: Vec<Mode>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Gpio` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "c925393e564683e2bbd812029ba378b4723d7ee7deb331112054eb2abe235c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c925393e564683e2bbd812029ba378b4723d7ee7deb331112054eb2abe235c51", kill_on_drop: false }`
[INFO] [stdout] c925393e564683e2bbd812029ba378b4723d7ee7deb331112054eb2abe235c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1a69f668f81df12c26d6feb757fc3abe0f474c8a89d4be106b19f62b55e4d4a3
[INFO] running `Command { std: "docker" "start" "-a" "1a69f668f81df12c26d6feb757fc3abe0f474c8a89d4be106b19f62b55e4d4a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling gpioctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `modes` is never read
[INFO] [stdout]    --> src/gpio.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Gpio {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 278 |     pub modes: Vec<Mode>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Gpio` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1a69f668f81df12c26d6feb757fc3abe0f474c8a89d4be106b19f62b55e4d4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a69f668f81df12c26d6feb757fc3abe0f474c8a89d4be106b19f62b55e4d4a3", kill_on_drop: false }`
[INFO] [stdout] 1a69f668f81df12c26d6feb757fc3abe0f474c8a89d4be106b19f62b55e4d4a3