[INFO] cloning repository https://github.com/rpoisel/homeautomation-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rpoisel/homeautomation-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frpoisel%2Fhomeautomation-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frpoisel%2Fhomeautomation-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bc96f7a25f03de9ece37d43d30ca2ff193c38aa
[INFO] checking rpoisel/homeautomation-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frpoisel%2Fhomeautomation-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rpoisel/homeautomation-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/rpoisel/homeautomation-rust
[INFO] finished tweaking git repo https://github.com/rpoisel/homeautomation-rust
[INFO] tweaked toml for git repo https://github.com/rpoisel/homeautomation-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rpoisel/homeautomation-rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-modbus v0.5.2
[INFO] [stderr]   Downloaded tokio-serial v5.4.1
[INFO] [stderr]   Downloaded mio-serial v5.0.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76cdb579ea89470314be33928f4c1c0fd12523e464b93162bacee9cfb6f890ae
[INFO] running `Command { std: "docker" "start" "-a" "76cdb579ea89470314be33928f4c1c0fd12523e464b93162bacee9cfb6f890ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76cdb579ea89470314be33928f4c1c0fd12523e464b93162bacee9cfb6f890ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cdb579ea89470314be33928f4c1c0fd12523e464b93162bacee9cfb6f890ae", kill_on_drop: false }`
[INFO] [stdout] 76cdb579ea89470314be33928f4c1c0fd12523e464b93162bacee9cfb6f890ae
[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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442c5f793cf33053838fa9cdac494d3b85f54fdb5f3e0d6be288e27999a5ed76
[INFO] running `Command { std: "docker" "start" "-a" "442c5f793cf33053838fa9cdac494d3b85f54fdb5f3e0d6be288e27999a5ed76", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking mio-serial v5.0.1
[INFO] [stderr]     Checking i2cdev v0.5.1
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-serial v5.4.1
[INFO] [stderr]     Checking tokio-modbus v0.5.2
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking homeautomation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]  --> src/bin/automation/blind.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait State {
[INFO] [stdout]   |       ----- method in this trait
[INFO] [stdout] 4 |     fn next(self: Box<Self>, _up: bool, _down: bool) -> (Box<dyn State>, bool, bool);
[INFO] [stdout] 5 |     fn name(&self) -> &'static str;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `state` is never used
[INFO] [stdout]   --> src/bin/automation/blind.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Blind {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn state(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "442c5f793cf33053838fa9cdac494d3b85f54fdb5f3e0d6be288e27999a5ed76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442c5f793cf33053838fa9cdac494d3b85f54fdb5f3e0d6be288e27999a5ed76", kill_on_drop: false }`
[INFO] [stdout] 442c5f793cf33053838fa9cdac494d3b85f54fdb5f3e0d6be288e27999a5ed76