[INFO] cloning repository https://github.com/SimonSapin/rust-on-bbc-microbit [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SimonSapin/rust-on-bbc-microbit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonSapin%2Frust-on-bbc-microbit", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonSapin%2Frust-on-bbc-microbit'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 78c18b0c62cf695cea804735e74d29caee557b6a [INFO] checking SimonSapin/rust-on-bbc-microbit against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonSapin%2Frust-on-bbc-microbit" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SimonSapin/rust-on-bbc-microbit on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SimonSapin/rust-on-bbc-microbit [INFO] finished tweaking git repo https://github.com/SimonSapin/rust-on-bbc-microbit [INFO] tweaked toml for git repo https://github.com/SimonSapin/rust-on-bbc-microbit written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/SimonSapin/rust-on-bbc-microbit already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] da741f7dd7a46cc7696a62338f5dd23c1f94ee165cb86e035021320046d144bc [INFO] running `Command { std: "docker" "start" "-a" "da741f7dd7a46cc7696a62338f5dd23c1f94ee165cb86e035021320046d144bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da741f7dd7a46cc7696a62338f5dd23c1f94ee165cb86e035021320046d144bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da741f7dd7a46cc7696a62338f5dd23c1f94ee165cb86e035021320046d144bc", kill_on_drop: false }` [INFO] [stdout] da741f7dd7a46cc7696a62338f5dd23c1f94ee165cb86e035021320046d144bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff0d315465503703516f92e35a365dfc6e7522f3b45c40ae918d69bdc9e464f7 [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" "ff0d315465503703516f92e35a365dfc6e7522f3b45c40ae918d69bdc9e464f7", kill_on_drop: false }` [INFO] [stderr] Checking rust-on-bbc-microbit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported [INFO] [stdout] --> src/busy_loop.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe { asm!("" : : "r"(&dummy)) } [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace with: `llvm_asm!` [INFO] [stdout] | [INFO] [stdout] = note: consider migrating to the new asm! syntax specified in RFC 2873 [INFO] [stdout] = note: alternatively, switch to llvm_asm! to keep your code working as it is [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported [INFO] [stdout] --> src/busy_loop.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe { asm!("" : : "r"(&dummy)) } [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace with: `llvm_asm!` [INFO] [stdout] | [INFO] [stdout] = note: consider migrating to the new asm! syntax specified in RFC 2873 [INFO] [stdout] = note: alternatively, switch to llvm_asm! to keep your code working as it is [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> src/lib.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | #[lang = "panic_fmt"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> src/lib.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | #[lang = "panic_fmt"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `eh_personality` [INFO] [stdout] --> src/lib.rs:44:1 [INFO] [stdout] | [INFO] [stdout] 44 | extern fn eh_personality() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on) [INFO] [stdout] = note: first definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-539f13c9442f1597.rlib [INFO] [stdout] = note: second definition in the local crate (`rust_on_bbc_microbit`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0522`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-on-bbc-microbit` [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] [stdout] Some errors have detailed explanations: E0152, E0522. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ff0d315465503703516f92e35a365dfc6e7522f3b45c40ae918d69bdc9e464f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff0d315465503703516f92e35a365dfc6e7522f3b45c40ae918d69bdc9e464f7", kill_on_drop: false }` [INFO] [stdout] ff0d315465503703516f92e35a365dfc6e7522f3b45c40ae918d69bdc9e464f7