[INFO] cloning repository https://github.com/fhennig/pi_ir_remote
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fhennig/pi_ir_remote" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhennig%2Fpi_ir_remote", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhennig%2Fpi_ir_remote'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c233931bfbcde29534419488db4767fd4e2306a
[INFO] checking fhennig/pi_ir_remote against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhennig%2Fpi_ir_remote" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fhennig/pi_ir_remote on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fhennig/pi_ir_remote
[INFO] finished tweaking git repo https://github.com/fhennig/pi_ir_remote
[INFO] tweaked toml for git repo https://github.com/fhennig/pi_ir_remote written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/fhennig/pi_ir_remote already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17e376b7f20f594a499be946544f78ae15228b68cd1c59f68ce12e45a178bf90
[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" "17e376b7f20f594a499be946544f78ae15228b68cd1c59f68ce12e45a178bf90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17e376b7f20f594a499be946544f78ae15228b68cd1c59f68ce12e45a178bf90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e376b7f20f594a499be946544f78ae15228b68cd1c59f68ce12e45a178bf90", kill_on_drop: false }`
[INFO] [stdout] 17e376b7f20f594a499be946544f78ae15228b68cd1c59f68ce12e45a178bf90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b699ce375c0eee3de957b2baa73047cd3d9cdd159bb6df9a8e9472d825f3a14c
[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" "b699ce375c0eee3de957b2baa73047cd3d9cdd159bb6df9a8e9472d825f3a14c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stoppable_thread v0.2.1
[INFO] [stderr]     Checking gpio-cdev v0.4.0
[INFO] [stderr]     Checking pi_ir_remote v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `seq_to_string`
[INFO] [stdout]   --> src/pulse.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn seq_to_string(seq: &Vec<Pulse>) -> String {
[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] [stdout] warning: function is never used: `seq_to_string`
[INFO] [stdout]   --> src/pulse.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn seq_to_string(seq: &Vec<Pulse>) -> String {
[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 10.48s
[INFO] running `Command { std: "docker" "inspect" "b699ce375c0eee3de957b2baa73047cd3d9cdd159bb6df9a8e9472d825f3a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b699ce375c0eee3de957b2baa73047cd3d9cdd159bb6df9a8e9472d825f3a14c", kill_on_drop: false }`
[INFO] [stdout] b699ce375c0eee3de957b2baa73047cd3d9cdd159bb6df9a8e9472d825f3a14c