[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/78c18b0c62cf695cea804735e74d29caee557b6a against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonSapin%2Frust-on-bbc-microbit" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SimonSapin/rust-on-bbc-microbit on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d32529505391f66958ddb0b848c9c8e3438b013bd9d7ac0bf0f1d1cad786d0b [INFO] running `Command { std: "docker" "start" "-a" "9d32529505391f66958ddb0b848c9c8e3438b013bd9d7ac0bf0f1d1cad786d0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d32529505391f66958ddb0b848c9c8e3438b013bd9d7ac0bf0f1d1cad786d0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d32529505391f66958ddb0b848c9c8e3438b013bd9d7ac0bf0f1d1cad786d0b", kill_on_drop: false }` [INFO] [stdout] 9d32529505391f66958ddb0b848c9c8e3438b013bd9d7ac0bf0f1d1cad786d0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d820dfec011451525be713edcbc4b2c5dbb5f1afcce24445d2a26908b0409ce4 [INFO] running `Command { std: "docker" "start" "-a" "d820dfec011451525be713edcbc4b2c5dbb5f1afcce24445d2a26908b0409ce4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rust-on-bbc-microbit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: cannot find macro `asm` in this scope [INFO] [stdout] --> src/busy_loop.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe { asm!("" : : "r"(&dummy)) } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this macro [INFO] [stdout] | [INFO] [stdout] 2 + use core::arch::asm; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items, asm)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt` [INFO] [stdout] --> src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | / extern fn panic_fmt(details: ::core::fmt::Arguments, file: &'static str, line: u32) -> ! { [INFO] [stdout] 31 | | println!("Panic at {}:{}, {}", file, line, details); [INFO] [stdout] 32 | | let row_2 = ::gpio::Pin::output(::pins::ROW_2); [INFO] [stdout] 33 | | let col_3 = ::gpio::Pin::output(::pins::COL_3); [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `rust_on_bbc_microbit` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d453bab70303062c.rlib [INFO] [stdout] = note: second definition in the local crate (`rust_on_bbc_microbit`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-on-bbc-microbit` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: cannot find macro `asm` in this scope [INFO] [stdout] --> src/busy_loop.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe { asm!("" : : "r"(&dummy)) } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this macro [INFO] [stdout] | [INFO] [stdout] 2 + use core::arch::asm; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items, asm)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt` [INFO] [stdout] --> src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | / extern fn panic_fmt(details: ::core::fmt::Arguments, file: &'static str, line: u32) -> ! { [INFO] [stdout] 31 | | println!("Panic at {}:{}, {}", file, line, details); [INFO] [stdout] 32 | | let row_2 = ::gpio::Pin::output(::pins::ROW_2); [INFO] [stdout] 33 | | let col_3 = ::gpio::Pin::output(::pins::COL_3); [INFO] [stdout] ... | [INFO] [stdout] 40 | | } [INFO] [stdout] 41 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `rust_on_bbc_microbit` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d453bab70303062c.rlib [INFO] [stdout] = note: second definition in the local crate (`rust_on_bbc_microbit`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-on-bbc-microbit` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d820dfec011451525be713edcbc4b2c5dbb5f1afcce24445d2a26908b0409ce4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d820dfec011451525be713edcbc4b2c5dbb5f1afcce24445d2a26908b0409ce4", kill_on_drop: false }` [INFO] [stdout] d820dfec011451525be713edcbc4b2c5dbb5f1afcce24445d2a26908b0409ce4