[INFO] cloning repository https://github.com/robertpyke/rust_gpio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertpyke/rust_gpio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertpyke%2Frust_gpio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertpyke%2Frust_gpio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd89d0b8d68c2af487ad60267cd03a2719756613
[INFO] testing robertpyke/rust_gpio against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertpyke%2Frust_gpio" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robertpyke/rust_gpio on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robertpyke/rust_gpio
[INFO] finished tweaking git repo https://github.com/robertpyke/rust_gpio
[INFO] tweaked toml for git repo https://github.com/robertpyke/rust_gpio written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/robertpyke/rust_gpio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b23ff1e64b1f345d1cf82348c976dafa09cb50345dd248e5f6d8bc20753d0a
[INFO] running `Command { std: "docker" "start" "-a" "d7b23ff1e64b1f345d1cf82348c976dafa09cb50345dd248e5f6d8bc20753d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b23ff1e64b1f345d1cf82348c976dafa09cb50345dd248e5f6d8bc20753d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b23ff1e64b1f345d1cf82348c976dafa09cb50345dd248e5f6d8bc20753d0a", kill_on_drop: false }`
[INFO] [stdout] d7b23ff1e64b1f345d1cf82348c976dafa09cb50345dd248e5f6d8bc20753d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e14321f7bfb6c7284255a328706b60f187ba42273436924d5fee35404da399
[INFO] running `Command { std: "docker" "start" "-a" "84e14321f7bfb6c7284255a328706b60f187ba42273436924d5fee35404da399", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling rust_gpio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `flash_led`
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn flash_led() {
[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 [unoptimized + debuginfo] target(s) in 17.12s
[INFO] running `Command { std: "docker" "inspect" "84e14321f7bfb6c7284255a328706b60f187ba42273436924d5fee35404da399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e14321f7bfb6c7284255a328706b60f187ba42273436924d5fee35404da399", kill_on_drop: false }`
[INFO] [stdout] 84e14321f7bfb6c7284255a328706b60f187ba42273436924d5fee35404da399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f0f6027d53dbcfd4461be61d7c405a085a206ee2052a8acb3b33d4f21a8d1b4
[INFO] running `Command { std: "docker" "start" "-a" "3f0f6027d53dbcfd4461be61d7c405a085a206ee2052a8acb3b33d4f21a8d1b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_gpio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `flash_led`
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn flash_led() {
[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 test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "3f0f6027d53dbcfd4461be61d7c405a085a206ee2052a8acb3b33d4f21a8d1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0f6027d53dbcfd4461be61d7c405a085a206ee2052a8acb3b33d4f21a8d1b4", kill_on_drop: false }`
[INFO] [stdout] 3f0f6027d53dbcfd4461be61d7c405a085a206ee2052a8acb3b33d4f21a8d1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01e5917765fd05cfba794869b0f6d233fa013e95ec65d59457c0983963c7eb6b
[INFO] running `Command { std: "docker" "start" "-a" "01e5917765fd05cfba794869b0f6d233fa013e95ec65d59457c0983963c7eb6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `flash_led`
[INFO] [stderr]   --> src/main.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn flash_led() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_gpio` (bin "rust_gpio" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_gpio-fc2b4c5fad33a0d6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01e5917765fd05cfba794869b0f6d233fa013e95ec65d59457c0983963c7eb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e5917765fd05cfba794869b0f6d233fa013e95ec65d59457c0983963c7eb6b", kill_on_drop: false }`
[INFO] [stdout] 01e5917765fd05cfba794869b0f6d233fa013e95ec65d59457c0983963c7eb6b