[INFO] cloning repository https://github.com/jiahaoxiang2000/embed_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiahaoxiang2000/embed_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiahaoxiang2000%2Fembed_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiahaoxiang2000%2Fembed_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f35fea2ee5f8909635d2761102b0a38f4b1b185 [INFO] checking jiahaoxiang2000/embed_rs against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiahaoxiang2000%2Fembed_rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jiahaoxiang2000/embed_rs on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/jiahaoxiang2000/embed_rs [INFO] finished tweaking git repo https://github.com/jiahaoxiang2000/embed_rs [INFO] tweaked toml for git repo https://github.com/jiahaoxiang2000/embed_rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jiahaoxiang2000/embed_rs 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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stm32l4 v0.15.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15277bd63621a6306491bd9c61617272816bfe92e1d21eb200989b182389032e [INFO] running `Command { std: "docker" "start" "-a" "15277bd63621a6306491bd9c61617272816bfe92e1d21eb200989b182389032e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15277bd63621a6306491bd9c61617272816bfe92e1d21eb200989b182389032e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15277bd63621a6306491bd9c61617272816bfe92e1d21eb200989b182389032e", kill_on_drop: false }` [INFO] [stdout] 15277bd63621a6306491bd9c61617272816bfe92e1d21eb200989b182389032e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c87a665caa29d8ed48c90f002eca7e4cb993365301aa6ac6cd26768e9c174c5b [INFO] running `Command { std: "docker" "start" "-a" "c87a665caa29d8ed48c90f002eca7e4cb993365301aa6ac6cd26768e9c174c5b", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cortex-m-rt v0.7.3 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m-semihosting v0.5.0 [INFO] [stderr] Compiling stm32l4 v0.15.1 [INFO] [stderr] Compiling embed_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bare-metal v1.0.0 [INFO] [stderr] Checking panic-halt v0.2.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking panic-semihosting v0.6.0 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.0 [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/exception.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | static mut COUNT: u32 = 0; [INFO] [stdout] | ^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.42s [INFO] running `Command { std: "docker" "inspect" "c87a665caa29d8ed48c90f002eca7e4cb993365301aa6ac6cd26768e9c174c5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c87a665caa29d8ed48c90f002eca7e4cb993365301aa6ac6cd26768e9c174c5b", kill_on_drop: false }` [INFO] [stdout] c87a665caa29d8ed48c90f002eca7e4cb993365301aa6ac6cd26768e9c174c5b