[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 try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhennig%2Fpi_ir_remote" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fhennig/pi_ir_remote on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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-7/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stoppable_thread v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be37eb72f942f06af5c8deac65e1c3feb929c3f7cb228b6a4df933280bff4788
[INFO] running `Command { std: "docker" "start" "-a" "be37eb72f942f06af5c8deac65e1c3feb929c3f7cb228b6a4df933280bff4788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be37eb72f942f06af5c8deac65e1c3feb929c3f7cb228b6a4df933280bff4788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be37eb72f942f06af5c8deac65e1c3feb929c3f7cb228b6a4df933280bff4788", kill_on_drop: false }`
[INFO] [stdout] be37eb72f942f06af5c8deac65e1c3feb929c3f7cb228b6a4df933280bff4788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbed95f9c1ea955b863152b69518dfc0ad926bb068132f4d86a0cc5ab0ac4036
[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" "dbed95f9c1ea955b863152b69518dfc0ad926bb068132f4d86a0cc5ab0ac4036", kill_on_drop: false }`
[INFO] [stderr]     Checking stoppable_thread v0.2.1
[INFO] [stderr]     Checking nix v0.14.1
[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 7.70s
[INFO] running `Command { std: "docker" "inspect" "dbed95f9c1ea955b863152b69518dfc0ad926bb068132f4d86a0cc5ab0ac4036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbed95f9c1ea955b863152b69518dfc0ad926bb068132f4d86a0cc5ab0ac4036", kill_on_drop: false }`
[INFO] [stdout] dbed95f9c1ea955b863152b69518dfc0ad926bb068132f4d86a0cc5ab0ac4036