[INFO] cloning repository https://github.com/abryrath/iri-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abryrath/iri-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabryrath%2Firi-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabryrath%2Firi-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30a962f4427de2a169d2d3a12430294d283a5fa3
[INFO] testing abryrath/iri-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabryrath%2Firi-rs" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abryrath/iri-rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abryrath/iri-rs
[INFO] finished tweaking git repo https://github.com/abryrath/iri-rs
[INFO] tweaked toml for git repo https://github.com/abryrath/iri-rs written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/abryrath/iri-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09c347b17a128920be210243c058b7d1d2fd15ce769e44da93227e2765bda604
[INFO] running `Command { std: "docker" "start" "-a" "09c347b17a128920be210243c058b7d1d2fd15ce769e44da93227e2765bda604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09c347b17a128920be210243c058b7d1d2fd15ce769e44da93227e2765bda604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c347b17a128920be210243c058b7d1d2fd15ce769e44da93227e2765bda604", kill_on_drop: false }`
[INFO] [stdout] 09c347b17a128920be210243c058b7d1d2fd15ce769e44da93227e2765bda604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b36e6c20a145a7005743eab0b86483f2f5c6c45eafef8109daf4fcec818f7a4
[INFO] running `Command { std: "docker" "start" "-a" "3b36e6c20a145a7005743eab0b86483f2f5c6c45eafef8109daf4fcec818f7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling gpio-cdev v0.2.0
[INFO] [stderr]    Compiling iri-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `chip` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let chip = Chip::new("/dev/gpiochip0").unwrap();
[INFO] [stdout]    |         ---- help: consider changing this to be mutable: `mut chip`
[INFO] [stdout] 13 |     let input_line = chip.get_line(input).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `chip` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let chip = Chip::new("/dev/gpiochip0").unwrap();
[INFO] [stdout]    |         ---- help: consider changing this to be mutable: `mut chip`
[INFO] [stdout] 13 |     let input_line = chip.get_line(input).unwrap();
[INFO] [stdout] 14 |     let output_line = chip.get_line(output).unwrap();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iri-rs` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3b36e6c20a145a7005743eab0b86483f2f5c6c45eafef8109daf4fcec818f7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b36e6c20a145a7005743eab0b86483f2f5c6c45eafef8109daf4fcec818f7a4", kill_on_drop: false }`
[INFO] [stdout] 3b36e6c20a145a7005743eab0b86483f2f5c6c45eafef8109daf4fcec818f7a4