[INFO] crate drone-cortex-m 0.9.0 is already in cache
[INFO] checking drone-cortex-m-0.9.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate drone-cortex-m 0.9.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate drone-cortex-m 0.9.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate drone-cortex-m 0.9.0
[INFO] finished tweaking crates.io crate drone-cortex-m 0.9.0
[INFO] tweaked toml for crates.io crate drone-cortex-m 0.9.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6416e36e90ea987f382b10825b30d6ee07505ef78f50f5dbec144715baf636ba
[INFO] running `"docker" "start" "-a" "6416e36e90ea987f382b10825b30d6ee07505ef78f50f5dbec144715baf636ba"`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking drone-ctypes v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling drone-macros-core v0.9.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling drone-config v0.9.0
[INFO] [stderr]    Compiling drone-cortex-m-macros v0.9.0
[INFO] [stderr]    Compiling drone-core-macros v0.9.0
[INFO] [stderr]     Checking drone-core v0.9.0
[INFO] [stderr]     Checking drone-cortex-m v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]  --> src/lang_items.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | / fn begin_panic(pi: &PanicInfo<'_>) -> ! {
[INFO] [stderr] 6 | |     println!("{}", pi);
[INFO] [stderr] 7 | |     abort()
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: first defined in crate `std` (which `test` depends on).
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `oom`.
[INFO] [stderr]   --> src/lang_items.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / fn oom(layout: Layout) -> ! {
[INFO] [stderr] 12 | |     println!(
[INFO] [stderr] 13 | |         "Couldn't allocate memory of size {}. Aborting!",
[INFO] [stderr] 14 | |         layout.size()
[INFO] [stderr] 15 | |     );
[INFO] [stderr] 16 | |     abort()
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std` (which `test` depends on).
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `drone-cortex-m`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: the feature `todo_macro` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | #![feature(todo_macro)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6416e36e90ea987f382b10825b30d6ee07505ef78f50f5dbec144715baf636ba"`
[INFO] running `"docker" "rm" "-f" "6416e36e90ea987f382b10825b30d6ee07505ef78f50f5dbec144715baf636ba"`
[INFO] [stdout] 6416e36e90ea987f382b10825b30d6ee07505ef78f50f5dbec144715baf636ba