[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] checking abryrath/iri-rs/30a962f4427de2a169d2d3a12430294d283a5fa3 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabryrath%2Firi-rs" "/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/abryrath/iri-rs on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded gpio-cdev v0.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.36
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b56ca81edd187ee03cb7bbcbba6d4fa04563be0f5b27abb92e0b90a7e26ba25f
[INFO] running `Command { std: "docker" "start" "-a" "b56ca81edd187ee03cb7bbcbba6d4fa04563be0f5b27abb92e0b90a7e26ba25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b56ca81edd187ee03cb7bbcbba6d4fa04563be0f5b27abb92e0b90a7e26ba25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56ca81edd187ee03cb7bbcbba6d4fa04563be0f5b27abb92e0b90a7e26ba25f", kill_on_drop: false }`
[INFO] [stdout] b56ca81edd187ee03cb7bbcbba6d4fa04563be0f5b27abb92e0b90a7e26ba25f
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5216a1fc0a61116852d9b3ea2497a287da072dd91cd845f96be3472f9174514
[INFO] running `Command { std: "docker" "start" "-a" "c5216a1fc0a61116852d9b3ea2497a287da072dd91cd845f96be3472f9174514", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking gpio-cdev v0.2.0
[INFO] [stderr]     Checking iri-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `chip` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let chip = Chip::new("/dev/gpiochip0").unwrap();
[INFO] [stdout]    |         ^^^^ not mutable
[INFO] [stdout] 13 |     let input_line = chip.get_line(input).unwrap();
[INFO] [stdout]    |                      ---- cannot borrow as mutable
[INFO] [stdout] 14 |     let output_line = chip.get_line(output).unwrap();
[INFO] [stdout]    |                       ---- cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut chip = Chip::new("/dev/gpiochip0").unwrap();
[INFO] [stdout]    |         +++
[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:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let chip = Chip::new("/dev/gpiochip0").unwrap();
[INFO] [stdout]    |         ^^^^ not mutable
[INFO] [stdout] 13 |     let input_line = chip.get_line(input).unwrap();
[INFO] [stdout]    |                      ---- cannot borrow as mutable
[INFO] [stdout] 14 |     let output_line = chip.get_line(output).unwrap();
[INFO] [stdout]    |                       ---- cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut chip = Chip::new("/dev/gpiochip0").unwrap();
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iri-rs` (bin "iri-rs") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `iri-rs` (bin "iri-rs" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c5216a1fc0a61116852d9b3ea2497a287da072dd91cd845f96be3472f9174514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5216a1fc0a61116852d9b3ea2497a287da072dd91cd845f96be3472f9174514", kill_on_drop: false }`
[INFO] [stdout] c5216a1fc0a61116852d9b3ea2497a287da072dd91cd845f96be3472f9174514