[INFO] fetching crate stm32f030_cf 0.0.1...
[INFO] testing stm32f030_cf-0.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate stm32f030_cf 0.0.1 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate stm32f030_cf 0.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32f030_cf 0.0.1
[INFO] finished tweaking crates.io crate stm32f030_cf 0.0.1
[INFO] tweaked toml for crates.io crate stm32f030_cf 0.0.1 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ec2821fd13b77223f05f28fd64c3d1d296039b8abf924b967e90f5f04357137
[INFO] running `Command { std: "docker" "start" "-a" "5ec2821fd13b77223f05f28fd64c3d1d296039b8abf924b967e90f5f04357137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ec2821fd13b77223f05f28fd64c3d1d296039b8abf924b967e90f5f04357137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec2821fd13b77223f05f28fd64c3d1d296039b8abf924b967e90f5f04357137", kill_on_drop: false }`
[INFO] [stdout] 5ec2821fd13b77223f05f28fd64c3d1d296039b8abf924b967e90f5f04357137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81ba72e7a77ebaf5b2741d4de90a0da61169da9b42c8b48675a301be155b3c25
[INFO] running `Command { std: "docker" "start" "-a" "81ba72e7a77ebaf5b2741d4de90a0da61169da9b42c8b48675a301be155b3c25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling stm32f030_cf v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stdout] error: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]       --> src/lib.rs:100378:9
[INFO] [stdout]        |
[INFO] [stdout] 100378 | #[allow(private_no_mangle_statics)]
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]       --> src/lib.rs:3:9
[INFO] [stdout]        |
[INFO] [stdout] 3      | #![deny(warnings)]
[INFO] [stdout]        |         ^^^^^^^^
[INFO] [stdout]        = note: `#[deny(renamed_and_removed_lints)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f030_cf` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "81ba72e7a77ebaf5b2741d4de90a0da61169da9b42c8b48675a301be155b3c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ba72e7a77ebaf5b2741d4de90a0da61169da9b42c8b48675a301be155b3c25", kill_on_drop: false }`
[INFO] [stdout] 81ba72e7a77ebaf5b2741d4de90a0da61169da9b42c8b48675a301be155b3c25