[INFO] fetching crate stm32f3-copterust 0.12.3...
[INFO] checking stm32f3-copterust-0.12.3 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate stm32f3-copterust 0.12.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stm32f3-copterust 0.12.3 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32f3-copterust 0.12.3
[INFO] finished tweaking crates.io crate stm32f3-copterust 0.12.3
[INFO] tweaked toml for crates.io crate stm32f3-copterust 0.12.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", 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] 7f757ba5dfd85d2cbdb523d6834b5f2577cdcaf1531f9e579daa0574cc40072e
[INFO] running `Command { std: "docker" "start" "-a" "7f757ba5dfd85d2cbdb523d6834b5f2577cdcaf1531f9e579daa0574cc40072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f757ba5dfd85d2cbdb523d6834b5f2577cdcaf1531f9e579daa0574cc40072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f757ba5dfd85d2cbdb523d6834b5f2577cdcaf1531f9e579daa0574cc40072e", kill_on_drop: false }`
[INFO] [stdout] 7f757ba5dfd85d2cbdb523d6834b5f2577cdcaf1531f9e579daa0574cc40072e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8061e2d37e972c7edb3f5c395a56442522697d4363b233b570127da1792ab322
[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" "8061e2d37e972c7edb3f5c395a56442522697d4363b233b570127da1792ab322", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32f3-copterust v0.12.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking cortex-m v0.7.2
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/generic.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn new(bits: U) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/generic.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn new(bits: U) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "8061e2d37e972c7edb3f5c395a56442522697d4363b233b570127da1792ab322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8061e2d37e972c7edb3f5c395a56442522697d4363b233b570127da1792ab322", kill_on_drop: false }`
[INFO] [stdout] 8061e2d37e972c7edb3f5c395a56442522697d4363b233b570127da1792ab322