[INFO] fetching crate freertos-rust 0.1.2...
[INFO] checking freertos-rust-0.1.2 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate freertos-rust 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate freertos-rust 0.1.2 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freertos-rust 0.1.2
[INFO] finished tweaking crates.io crate freertos-rust 0.1.2
[INFO] tweaked toml for crates.io crate freertos-rust 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fd612bfbcfa5f0d54f70d2cfae872274bdaadc4dd16ba440646757d590ab56d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2fd612bfbcfa5f0d54f70d2cfae872274bdaadc4dd16ba440646757d590ab56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd612bfbcfa5f0d54f70d2cfae872274bdaadc4dd16ba440646757d590ab56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd612bfbcfa5f0d54f70d2cfae872274bdaadc4dd16ba440646757d590ab56d", kill_on_drop: false }`
[INFO] [stdout] 2fd612bfbcfa5f0d54f70d2cfae872274bdaadc4dd16ba440646757d590ab56d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be5fc30547f1f9d7b43e209b30c8a686997831be6ea4d1d0df2a8953aac311f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be5fc30547f1f9d7b43e209b30c8a686997831be6ea4d1d0df2a8953aac311f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling freertos-rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `print_env`
[INFO] [stdout]  --> build.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn print_env() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shim.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / extern {
[INFO] [stdout] 6  | |     pub fn freertos_rs_invoke_configASSERT();
[INFO] [stdout] 7  | |     pub fn freertos_rs_vTaskStartScheduler() -> !;
[INFO] [stdout] 8  | |     pub fn freertos_rs_pvPortMalloc(xWantedSize: FreeRtosUBaseType) -> FreeRtosVoidPtr;
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     pub fn freertos_rs_exit_critical();
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shim.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn freertos_rs_spawn_task(f: extern fn(FreeRtosMutVoidPtr) -> FreeRtosMutVoidPtr, value: FreeRtosMutVoidPtr, name: FreeRtosCharPt...
[INFO] [stdout]    |                                      ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shim.rs:58:154
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...to_reload: u8, timer_id: FreeRtosVoidPtr, callback: extern fn(FreeRtosTimerHandle) -> ()) -> FreeRtosTimerHandle;
[INFO] [stdout]    |                                                        ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shim.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / extern {
[INFO] [stdout] 6  | |     pub fn freertos_rs_invoke_configASSERT();
[INFO] [stdout] 7  | |     pub fn freertos_rs_vTaskStartScheduler() -> !;
[INFO] [stdout] 8  | |     pub fn freertos_rs_pvPortMalloc(xWantedSize: FreeRtosUBaseType) -> FreeRtosVoidPtr;
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     pub fn freertos_rs_exit_critical();
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shim.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn freertos_rs_spawn_task(f: extern fn(FreeRtosMutVoidPtr) -> FreeRtosMutVoidPtr, value: FreeRtosMutVoidPtr, name: FreeRtosCharPt...
[INFO] [stdout]    |                                      ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/shim.rs:58:154
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...to_reload: u8, timer_id: FreeRtosVoidPtr, callback: extern fn(FreeRtosTimerHandle) -> ()) -> FreeRtosTimerHandle;
[INFO] [stdout]    |                                                        ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `freertos-rust`.
[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] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "be5fc30547f1f9d7b43e209b30c8a686997831be6ea4d1d0df2a8953aac311f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5fc30547f1f9d7b43e209b30c8a686997831be6ea4d1d0df2a8953aac311f9", kill_on_drop: false }`
[INFO] [stdout] be5fc30547f1f9d7b43e209b30c8a686997831be6ea4d1d0df2a8953aac311f9