[INFO] fetching crate stm32f767-hal 0.2.0...
[INFO] checking stm32f767-hal-0.2.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate stm32f767-hal 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stm32f767-hal 0.2.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f767-hal 0.2.0
[INFO] finished tweaking crates.io crate stm32f767-hal 0.2.0
[INFO] tweaked toml for crates.io crate stm32f767-hal 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] ed7dfbb8e7a6dffec6507eb5b008ae557e44fa5f77f81497de9f4557b5100fc4
[INFO] running `Command { std: "docker" "start" "-a" "ed7dfbb8e7a6dffec6507eb5b008ae557e44fa5f77f81497de9f4557b5100fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7dfbb8e7a6dffec6507eb5b008ae557e44fa5f77f81497de9f4557b5100fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7dfbb8e7a6dffec6507eb5b008ae557e44fa5f77f81497de9f4557b5100fc4", kill_on_drop: false }`
[INFO] [stdout] ed7dfbb8e7a6dffec6507eb5b008ae557e44fa5f77f81497de9f4557b5100fc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7628e37e8a7086cba5c9bbfa93d4aa1bd98ef92ecf5a7edebe440e46e230ac50
[INFO] running `Command { std: "docker" "start" "-a" "7628e37e8a7086cba5c9bbfa93d4aa1bd98ef92ecf5a7edebe440e46e230ac50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32f7 v0.2.3
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking panic-abort v0.2.0
[INFO] [stderr]     Checking numtoa v0.0.7
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(panic_implementation)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `#[panic_handler]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `panic_implementation` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[panic_implementation]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-abort`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7628e37e8a7086cba5c9bbfa93d4aa1bd98ef92ecf5a7edebe440e46e230ac50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7628e37e8a7086cba5c9bbfa93d4aa1bd98ef92ecf5a7edebe440e46e230ac50", kill_on_drop: false }`
[INFO] [stdout] 7628e37e8a7086cba5c9bbfa93d4aa1bd98ef92ecf5a7edebe440e46e230ac50