[INFO] fetching crate nrf-dfu-target 0.3.2...
[INFO] checking nrf-dfu-target-0.3.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate nrf-dfu-target 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nrf-dfu-target 0.3.2
[INFO] finished tweaking crates.io crate nrf-dfu-target 0.3.2
[INFO] tweaked toml for crates.io crate nrf-dfu-target 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nrf-dfu-target 0.3.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nrf-dfu-target 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b000d49c7546373f3137895c3fda9280bcfcb609574c87e54c4d726bb347fa
[INFO] running `Command { std: "docker" "start" "-a" "50b000d49c7546373f3137895c3fda9280bcfcb609574c87e54c4d726bb347fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b000d49c7546373f3137895c3fda9280bcfcb609574c87e54c4d726bb347fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b000d49c7546373f3137895c3fda9280bcfcb609574c87e54c4d726bb347fa", kill_on_drop: false }`
[INFO] [stdout] 50b000d49c7546373f3137895c3fda9280bcfcb609574c87e54c4d726bb347fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f26beb2bf83355e9df284ac4d56538a8cbede4407a88410acad4547fa005355
[INFO] running `Command { std: "docker" "start" "-a" "4f26beb2bf83355e9df284ac4d56538a8cbede4407a88410acad4547fa005355", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking embedded-storage-async v0.4.1
[INFO] [stderr]     Checking nrf-dfu-target v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NoneError` is never constructed
[INFO] [stdout]    --> src/fmt.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub struct NoneError;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking futures-test v0.3.31
[INFO] [stdout] warning: struct `NoneError` is never constructed
[INFO] [stdout]    --> src/fmt.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub struct NoneError;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "4f26beb2bf83355e9df284ac4d56538a8cbede4407a88410acad4547fa005355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f26beb2bf83355e9df284ac4d56538a8cbede4407a88410acad4547fa005355", kill_on_drop: false }`
[INFO] [stdout] 4f26beb2bf83355e9df284ac4d56538a8cbede4407a88410acad4547fa005355