[INFO] fetching crate rfm9x 0.1.2...
[INFO] checking rfm9x-0.1.2 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate rfm9x 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rfm9x 0.1.2 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking crates.io crate rfm9x 0.1.2
[INFO] finished tweaking crates.io crate rfm9x 0.1.2
[INFO] tweaked toml for crates.io crate rfm9x 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rfm9x 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37d51d3a868d801f6da55e06d99c00aaee2ebb9a44a6f6e02edf4c660a41f4c7
[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" "37d51d3a868d801f6da55e06d99c00aaee2ebb9a44a6f6e02edf4c660a41f4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d51d3a868d801f6da55e06d99c00aaee2ebb9a44a6f6e02edf4c660a41f4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d51d3a868d801f6da55e06d99c00aaee2ebb9a44a6f6e02edf4c660a41f4c7", kill_on_drop: false }`
[INFO] [stdout] 37d51d3a868d801f6da55e06d99c00aaee2ebb9a44a6f6e02edf4c660a41f4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] de663f18ac1d3efe0f49f88558e550f0aa2decb81086fe7897706266d5aeef14
[INFO] running `Command { std: "docker" "start" "-a" "de663f18ac1d3efe0f49f88558e550f0aa2decb81086fe7897706266d5aeef14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rfm9x v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tx_random_number`
[INFO] [stdout]    --> src/rfm95.rs:182:2
[INFO] [stdout]     |
[INFO] [stdout] 182 |     tx_random_number: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reset_pin`
[INFO] [stdout]    --> src/rfm95.rs:187:2
[INFO] [stdout]     |
[INFO] [stdout] 187 |     reset_pin: Option<InputPin>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_random_number`
[INFO] [stdout]    --> src/rfm95.rs:182:2
[INFO] [stdout]     |
[INFO] [stdout] 182 |     tx_random_number: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reset_pin`
[INFO] [stdout]    --> src/rfm95.rs:187:2
[INFO] [stdout]     |
[INFO] [stdout] 187 |     reset_pin: Option<InputPin>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "de663f18ac1d3efe0f49f88558e550f0aa2decb81086fe7897706266d5aeef14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de663f18ac1d3efe0f49f88558e550f0aa2decb81086fe7897706266d5aeef14", kill_on_drop: false }`
[INFO] [stdout] de663f18ac1d3efe0f49f88558e550f0aa2decb81086fe7897706266d5aeef14