[INFO] cloning repository https://github.com/BnDLett/rpi_BlinkingLED
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BnDLett/rpi_BlinkingLED" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBnDLett%2Frpi_BlinkingLED", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBnDLett%2Frpi_BlinkingLED'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e8869f4a7b4da7958531aec7de9b0ccbffe6b72
[INFO] building BnDLett/rpi_BlinkingLED 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%2FBnDLett%2Frpi_BlinkingLED" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BnDLett/rpi_BlinkingLED 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/BnDLett/rpi_BlinkingLED
[INFO] finished tweaking git repo https://github.com/BnDLett/rpi_BlinkingLED
[INFO] tweaked toml for git repo https://github.com/BnDLett/rpi_BlinkingLED written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BnDLett/rpi_BlinkingLED 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shutdown_hooks v0.1.0
[INFO] [stderr]   Downloaded rppal v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9d5f71f790bc03f6877639317ea1a21a7308fd2db0435ccfce7d9fb46848797e
[INFO] running `Command { std: "docker" "start" "-a" "9d5f71f790bc03f6877639317ea1a21a7308fd2db0435ccfce7d9fb46848797e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d5f71f790bc03f6877639317ea1a21a7308fd2db0435ccfce7d9fb46848797e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5f71f790bc03f6877639317ea1a21a7308fd2db0435ccfce7d9fb46848797e", kill_on_drop: false }`
[INFO] [stdout] 9d5f71f790bc03f6877639317ea1a21a7308fd2db0435ccfce7d9fb46848797e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d58047c3eafea9e0c3a47e0b481f9fc5bdfa9abea736fadd4b744f28fbba4a3b
[INFO] running `Command { std: "docker" "start" "-a" "d58047c3eafea9e0c3a47e0b481f9fc5bdfa9abea736fadd4b744f28fbba4a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rppal v0.17.1
[INFO] [stderr]    Compiling shutdown_hooks v0.1.0
[INFO] [stderr]    Compiling BlinkingLED v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `shutdown_hooks`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use shutdown_hooks;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exit` is never used
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern "C" fn exit() {
[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 1.24s
[INFO] running `Command { std: "docker" "inspect" "d58047c3eafea9e0c3a47e0b481f9fc5bdfa9abea736fadd4b744f28fbba4a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58047c3eafea9e0c3a47e0b481f9fc5bdfa9abea736fadd4b744f28fbba4a3b", kill_on_drop: false }`
[INFO] [stdout] d58047c3eafea9e0c3a47e0b481f9fc5bdfa9abea736fadd4b744f28fbba4a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a6c0df82c23e4dc043895695e4b87eb65c0d67819a12d583b73fd27cfe1977dc
[INFO] running `Command { std: "docker" "start" "-a" "a6c0df82c23e4dc043895695e4b87eb65c0d67819a12d583b73fd27cfe1977dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling BlinkingLED v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `shutdown_hooks`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use shutdown_hooks;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exit` is never used
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern "C" fn exit() {
[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 0.14s
[INFO] running `Command { std: "docker" "inspect" "a6c0df82c23e4dc043895695e4b87eb65c0d67819a12d583b73fd27cfe1977dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c0df82c23e4dc043895695e4b87eb65c0d67819a12d583b73fd27cfe1977dc", kill_on_drop: false }`
[INFO] [stdout] a6c0df82c23e4dc043895695e4b87eb65c0d67819a12d583b73fd27cfe1977dc