[INFO] fetching crate nrf-dfu-target 0.3.2...
[INFO] building nrf-dfu-target-0.3.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate nrf-dfu-target 0.3.2 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nrf-dfu-target 0.3.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a56ab45feeb4d2742aedb0e16f0938a6a1ca7307c1952a4ead68291d337f71
[INFO] running `Command { std: "docker" "start" "-a" "74a56ab45feeb4d2742aedb0e16f0938a6a1ca7307c1952a4ead68291d337f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a56ab45feeb4d2742aedb0e16f0938a6a1ca7307c1952a4ead68291d337f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a56ab45feeb4d2742aedb0e16f0938a6a1ca7307c1952a4ead68291d337f71", kill_on_drop: false }`
[INFO] [stdout] 74a56ab45feeb4d2742aedb0e16f0938a6a1ca7307c1952a4ead68291d337f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c55337b2f4c33fc9accfb1190f3fc70c4e1341bff2b231b3185cd19af7283b
[INFO] running `Command { std: "docker" "start" "-a" "68c55337b2f4c33fc9accfb1190f3fc70c4e1341bff2b231b3185cd19af7283b", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-storage v0.3.1
[INFO] [stderr]    Compiling embedded-storage-async v0.4.1
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "68c55337b2f4c33fc9accfb1190f3fc70c4e1341bff2b231b3185cd19af7283b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c55337b2f4c33fc9accfb1190f3fc70c4e1341bff2b231b3185cd19af7283b", kill_on_drop: false }`
[INFO] [stdout] 68c55337b2f4c33fc9accfb1190f3fc70c4e1341bff2b231b3185cd19af7283b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a09630bc578294c86cfb295f4d29be58af0cd70d7e795bc189f1c8f69d2f43cd
[INFO] running `Command { std: "docker" "start" "-a" "a09630bc578294c86cfb295f4d29be58af0cd70d7e795bc189f1c8f69d2f43cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling futures-util 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.7
[INFO] [stderr]    Compiling futures-test v0.3.31
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "a09630bc578294c86cfb295f4d29be58af0cd70d7e795bc189f1c8f69d2f43cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09630bc578294c86cfb295f4d29be58af0cd70d7e795bc189f1c8f69d2f43cd", kill_on_drop: false }`
[INFO] [stdout] a09630bc578294c86cfb295f4d29be58af0cd70d7e795bc189f1c8f69d2f43cd