[INFO] fetching crate embed_rs 0.1.0... [INFO] checking embed_rs-0.1.0 against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181 [INFO] extracting crate embed_rs 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml [INFO] started tweaking crates.io crate embed_rs 0.1.0 [INFO] finished tweaking crates.io crate embed_rs 0.1.0 [INFO] tweaked toml for crates.io crate embed_rs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate embed_rs 0.1.0 on toolchain ca77504943887037504c7fc0b9bf06dab3910373 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate embed_rs 0.1.0 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d565a29b884e7f9783ac0ce58548533ba475944a33d339cb5d14a80401705f61 [INFO] running `Command { std: "docker" "start" "-a" "d565a29b884e7f9783ac0ce58548533ba475944a33d339cb5d14a80401705f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d565a29b884e7f9783ac0ce58548533ba475944a33d339cb5d14a80401705f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d565a29b884e7f9783ac0ce58548533ba475944a33d339cb5d14a80401705f61", kill_on_drop: false }` [INFO] [stdout] d565a29b884e7f9783ac0ce58548533ba475944a33d339cb5d14a80401705f61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62dcc7573506c7ef74e6696df848728caec03ac5e0cc7f8c773ac4089f01c8a9 [INFO] running `Command { std: "docker" "start" "-a" "62dcc7573506c7ef74e6696df848728caec03ac5e0cc7f8c773ac4089f01c8a9", 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 void v1.0.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling cortex-m-rt v0.7.3 [INFO] [stderr] Compiling syn v1.0.109 [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 volatile-register v0.2.2 [INFO] [stderr] Checking nb v0.1.3 [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 [INFO] [stdout] --> src/exception.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | 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 17.93s [INFO] running `Command { std: "docker" "inspect" "62dcc7573506c7ef74e6696df848728caec03ac5e0cc7f8c773ac4089f01c8a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62dcc7573506c7ef74e6696df848728caec03ac5e0cc7f8c773ac4089f01c8a9", kill_on_drop: false }` [INFO] [stdout] 62dcc7573506c7ef74e6696df848728caec03ac5e0cc7f8c773ac4089f01c8a9