[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30a962f4427de2a169d2d3a12430294d283a5fa3
[INFO] testing abryrath/iri-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabryrath%2Firi-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abryrath/iri-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c33bc263b73a415e72123196d28edcd3c848d10f32309675c2329b50375a7a10
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c33bc263b73a415e72123196d28edcd3c848d10f32309675c2329b50375a7a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c33bc263b73a415e72123196d28edcd3c848d10f32309675c2329b50375a7a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33bc263b73a415e72123196d28edcd3c848d10f32309675c2329b50375a7a10", kill_on_drop: false }`
[INFO] [stdout] c33bc263b73a415e72123196d28edcd3c848d10f32309675c2329b50375a7a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6426ba0abbe762a16ee4460b6ac5c1568b609e52391c209eb55cfc505e34265d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6426ba0abbe762a16ee4460b6ac5c1568b609e52391c209eb55cfc505e34265d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling nix v0.11.1
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6426ba0abbe762a16ee4460b6ac5c1568b609e52391c209eb55cfc505e34265d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6426ba0abbe762a16ee4460b6ac5c1568b609e52391c209eb55cfc505e34265d", kill_on_drop: false }`
[INFO] [stdout] 6426ba0abbe762a16ee4460b6ac5c1568b609e52391c209eb55cfc505e34265d