[INFO] fetching crate oxcc-stm32f767 0.1.0...
[INFO] checking oxcc-stm32f767-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate oxcc-stm32f767 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate oxcc-stm32f767 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oxcc-stm32f767 0.1.0
[INFO] finished tweaking crates.io crate oxcc-stm32f767 0.1.0
[INFO] tweaked toml for crates.io crate oxcc-stm32f767 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da976cf7aa56b3962021cb6c93ab0363876e13871164d53cf8eb67e900ab0dec
[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" "da976cf7aa56b3962021cb6c93ab0363876e13871164d53cf8eb67e900ab0dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da976cf7aa56b3962021cb6c93ab0363876e13871164d53cf8eb67e900ab0dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da976cf7aa56b3962021cb6c93ab0363876e13871164d53cf8eb67e900ab0dec", kill_on_drop: false }`
[INFO] [stdout] da976cf7aa56b3962021cb6c93ab0363876e13871164d53cf8eb67e900ab0dec
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bf16d1118db40c4b3d175a551f3cebcecdff1cecbd8399c65f9f51087d50d21
[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" "9bf16d1118db40c4b3d175a551f3cebcecdff1cecbd8399c65f9f51087d50d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling oxcc-stm32f767 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stdout]       --> src/stm32f7x7/mod.rs:504662:9
[INFO] [stdout]        |
[INFO] [stdout] 504662 | #[allow(private_no_mangle_statics)]
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stdout]       --> src/stm32f7x7/mod.rs:504662:9
[INFO] [stdout]        |
[INFO] [stdout] 504662 | #[allow(private_no_mangle_statics)]
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxcc-stm32f767`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name oxcc_stm32f767 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=898ab8d4c366d17c -C extra-filename=-898ab8d4c366d17c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-e4625f484ffb3b5c.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-c9e0126a9a5072bb.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-c7dbce416d455566.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9bf16d1118db40c4b3d175a551f3cebcecdff1cecbd8399c65f9f51087d50d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf16d1118db40c4b3d175a551f3cebcecdff1cecbd8399c65f9f51087d50d21", kill_on_drop: false }`
[INFO] [stdout] 9bf16d1118db40c4b3d175a551f3cebcecdff1cecbd8399c65f9f51087d50d21