[INFO] fetching crate dht-mmap-rust 0.1.0...
[INFO] checking dht-mmap-rust-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate dht-mmap-rust 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate dht-mmap-rust 0.1.0
[INFO] finished tweaking crates.io crate dht-mmap-rust 0.1.0
[INFO] tweaked toml for crates.io crate dht-mmap-rust 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dht-mmap-rust 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90376bb37e1b83e872a96d445a1623d2f4a9b9df6bfc366f96a0520ff90badc7
[INFO] running `Command { std: "docker" "start" "-a" "90376bb37e1b83e872a96d445a1623d2f4a9b9df6bfc366f96a0520ff90badc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90376bb37e1b83e872a96d445a1623d2f4a9b9df6bfc366f96a0520ff90badc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90376bb37e1b83e872a96d445a1623d2f4a9b9df6bfc366f96a0520ff90badc7", kill_on_drop: false }`
[INFO] [stdout] 90376bb37e1b83e872a96d445a1623d2f4a9b9df6bfc366f96a0520ff90badc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b049134b13a6b4e903443d6175259fd4636899f5a5f8011d2140d127b4c3cb
[INFO] running `Command { std: "docker" "start" "-a" "f7b049134b13a6b4e903443d6175259fd4636899f5a5f8011d2140d127b4c3cb", kill_on_drop: false }`
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dht-mmap-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     panic!("This test needs to be run on a PI - the architecture was not ARM, so this test will exit now.");
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 247 |
[INFO] [stdout] 248 |     println!("\nTesting if reading succeeds. This tests assumes a DHT11 is connected on GPIO 2\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     panic!("This test needs to be run on a PI - the architecture was not ARM, so this test will exit now.");
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 257 |
[INFO] [stdout] 258 |     println!("\nTesting if reading succeeds. This tests assumes a DHT11 is connected on GPIO 3\n");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "f7b049134b13a6b4e903443d6175259fd4636899f5a5f8011d2140d127b4c3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b049134b13a6b4e903443d6175259fd4636899f5a5f8011d2140d127b4c3cb", kill_on_drop: false }`
[INFO] [stdout] f7b049134b13a6b4e903443d6175259fd4636899f5a5f8011d2140d127b4c3cb