[INFO] fetching crate light-cli 0.1.0...
[INFO] checking light-cli-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate light-cli 0.1.0 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate light-cli 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-114/source/.cargo/config
[INFO] started tweaking crates.io crate light-cli 0.1.0
[INFO] finished tweaking crates.io crate light-cli 0.1.0
[INFO] tweaked toml for crates.io crate light-cli 0.1.0 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panic-abort v0.3.2
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.2.1
[INFO] [stderr]   Downloaded stm32f1 v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32e16b9bd1a0b3e724645d190cbc8be24f96c5ca12f0a1b4a0b41bc8734aa6d5
[INFO] running `Command { std: "docker" "start" "-a" "32e16b9bd1a0b3e724645d190cbc8be24f96c5ca12f0a1b4a0b41bc8734aa6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32e16b9bd1a0b3e724645d190cbc8be24f96c5ca12f0a1b4a0b41bc8734aa6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e16b9bd1a0b3e724645d190cbc8be24f96c5ca12f0a1b4a0b41bc8734aa6d5", kill_on_drop: false }`
[INFO] [stdout] 32e16b9bd1a0b3e724645d190cbc8be24f96c5ca12f0a1b4a0b41bc8734aa6d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 003babea60768eaa109c58710a4365f52047492a6a1ae7ad4a096dad00c367ec
[INFO] running `Command { std: "docker" "start" "-a" "003babea60768eaa109c58710a4365f52047492a6a1ae7ad4a096dad00c367ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking light-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `heapless::RingBuffer`
[INFO] [stdout]  --> src/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heapless::RingBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `RingBuffer` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:137:41
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn fill<E>(&mut self, ser: &mut Read<u8, Error=E>) -> nb::Result<(), E> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read<u8, Error=E>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/output.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     writer: &'a mut Write<u8, Error=E>
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write<u8, Error=E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/output.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(writer: &'a mut Write<u8, Error = E>) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write<u8, Error = E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn fill<E>(&mut self, ser: &mut Read<u8, Error=E>) -> nb::Result<(), E> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read<u8, Error=E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:137:41
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn fill<E>(&mut self, ser: &mut Read<u8, Error=E>) -> nb::Result<(), E> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read<u8, Error=E>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/output.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     writer: &'a mut Write<u8, Error=E>
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write<u8, Error=E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/output.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(writer: &'a mut Write<u8, Error = E>) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write<u8, Error = E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn fill<E>(&mut self, ser: &mut Read<u8, Error=E>) -> nb::Result<(), E> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read<u8, Error=E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `light-cli` due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "003babea60768eaa109c58710a4365f52047492a6a1ae7ad4a096dad00c367ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003babea60768eaa109c58710a4365f52047492a6a1ae7ad4a096dad00c367ec", kill_on_drop: false }`
[INFO] [stdout] 003babea60768eaa109c58710a4365f52047492a6a1ae7ad4a096dad00c367ec
