[INFO] fetching crate nrfdfu 0.1.2...
[INFO] checking nrfdfu-0.1.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate nrfdfu 0.1.2 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate nrfdfu 0.1.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nrfdfu 0.1.2
[INFO] finished tweaking crates.io crate nrfdfu 0.1.2
[INFO] tweaked toml for crates.io crate nrfdfu 0.1.2 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate crates.io crate nrfdfu 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded dissimilar v1.0.2
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded ferrous-serialport v4.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e924790c5be844d4d0adbcd4d78a52b66cddd6eec72264324454c81ab8df52
[INFO] running `Command { std: "docker" "start" "-a" "46e924790c5be844d4d0adbcd4d78a52b66cddd6eec72264324454c81ab8df52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e924790c5be844d4d0adbcd4d78a52b66cddd6eec72264324454c81ab8df52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e924790c5be844d4d0adbcd4d78a52b66cddd6eec72264324454c81ab8df52", kill_on_drop: false }`
[INFO] [stdout] 46e924790c5be844d4d0adbcd4d78a52b66cddd6eec72264324454c81ab8df52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d4a7b89cd6f06fa7133814f32727f8ea7cd817f1abdab050ba4ff05ffcab0e
[INFO] running `Command { std: "docker" "start" "-a" "f2d4a7b89cd6f06fa7133814f32727f8ea7cd817f1abdab050ba4ff05ffcab0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking ferrous-serialport v4.0.2
[INFO] [stderr]     Checking nrfdfu v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `part`
[INFO] [stdout]    --> src/messages.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     part: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variant`
[INFO] [stdout]    --> src/messages.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     variant: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rom_size`
[INFO] [stdout]    --> src/messages.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     rom_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ram_size`
[INFO] [stdout]    --> src/messages.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ram_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rom_page_size`
[INFO] [stdout]    --> src/messages.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     rom_page_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `part`
[INFO] [stdout]    --> src/messages.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     part: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variant`
[INFO] [stdout]    --> src/messages.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     variant: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rom_size`
[INFO] [stdout]    --> src/messages.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     rom_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ram_size`
[INFO] [stdout]    --> src/messages.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ram_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rom_page_size`
[INFO] [stdout]    --> src/messages.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     rom_page_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.12s
[INFO] running `Command { std: "docker" "inspect" "f2d4a7b89cd6f06fa7133814f32727f8ea7cd817f1abdab050ba4ff05ffcab0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d4a7b89cd6f06fa7133814f32727f8ea7cd817f1abdab050ba4ff05ffcab0e", kill_on_drop: false }`
[INFO] [stdout] f2d4a7b89cd6f06fa7133814f32727f8ea7cd817f1abdab050ba4ff05ffcab0e