[INFO] cloning repository https://github.com/dtcristo/microbit-demos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtcristo/microbit-demos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtcristo%2Fmicrobit-demos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtcristo%2Fmicrobit-demos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ba9cfcec6a2051b989e3f9183de727ed9efcbbf [INFO] checking dtcristo/microbit-demos/8ba9cfcec6a2051b989e3f9183de727ed9efcbbf against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtcristo%2Fmicrobit-demos" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dtcristo/microbit-demos 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/dtcristo/microbit-demos [INFO] finished tweaking git repo https://github.com/dtcristo/microbit-demos [INFO] tweaked toml for git repo https://github.com/dtcristo/microbit-demos written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dtcristo/microbit-demos 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vcell v0.1.0 [INFO] [stderr] Downloaded nrf51-hal v0.6.1 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.1.5 [INFO] [stderr] Downloaded aligned v0.2.0 [INFO] [stderr] Downloaded bare-metal v0.2.4 [INFO] [stderr] Downloaded nb v0.1.1 [INFO] [stderr] Downloaded hash32 v0.1.0 [INFO] [stderr] Downloaded heapless v0.4.1 [INFO] [stderr] Downloaded embedded-hal v0.2.2 [INFO] [stderr] Downloaded nrf51 v0.6.0 [INFO] [stderr] Downloaded microbit v0.7.0 [INFO] [stderr] Downloaded cortex-m v0.5.8 [INFO] [stderr] Downloaded cortex-m-rt v0.6.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30f0d6ac1574ffc39282fd2f47783f078dba668e14be3ffa9d09b071eea4862a [INFO] running `Command { std: "docker" "start" "-a" "30f0d6ac1574ffc39282fd2f47783f078dba668e14be3ffa9d09b071eea4862a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30f0d6ac1574ffc39282fd2f47783f078dba668e14be3ffa9d09b071eea4862a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30f0d6ac1574ffc39282fd2f47783f078dba668e14be3ffa9d09b071eea4862a", kill_on_drop: false }` [INFO] [stdout] 30f0d6ac1574ffc39282fd2f47783f078dba668e14be3ffa9d09b071eea4862a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68463a6f1a3518ea477586da5d38ae0bc667e7eb04c155a2bd1528d8e8f616c9 [INFO] running `Command { std: "docker" "start" "-a" "68463a6f1a3518ea477586da5d38ae0bc667e7eb04c155a2bd1528d8e8f616c9", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling cortex-m v0.5.8 [INFO] [stderr] Compiling cortex-m-rt v0.6.7 [INFO] [stderr] Checking vcell v0.1.0 [INFO] [stderr] Checking r0 v0.2.2 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling nrf51 v0.6.0 [INFO] [stderr] Checking aligned v0.2.0 [INFO] [stderr] Checking nb v0.1.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Compiling microbit v0.7.0 [INFO] [stderr] Checking volatile-register v0.2.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking panic-halt v0.2.0 [INFO] [stderr] Checking embedded-hal v0.2.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking hash32 v0.1.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.4 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.24 [INFO] [stderr] Checking generic-array v0.11.1 [INFO] [stderr] Checking heapless v0.4.1 [INFO] [stderr] Compiling cortex-m-rt-macros v0.1.5 [INFO] [stderr] Checking nrf51-hal v0.6.1 [INFO] [stderr] Checking microbit-demos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_halt` (which `leds` depends on) [INFO] [stdout] = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-d4b2984cf0ecee47.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_halt` (which `serial_buttons_interrupt` depends on) [INFO] [stdout] = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-d4b2984cf0ecee47.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_halt` (which `snake` depends on) [INFO] [stdout] = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-d4b2984cf0ecee47.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_halt` (which `serial_buttons` depends on) [INFO] [stdout] = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-d4b2984cf0ecee47.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-demos` (bin "leds" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_halt` (which `serial_echo` depends on) [INFO] [stdout] = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-d4b2984cf0ecee47.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl` [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_halt` (which `serial_random` depends on) [INFO] [stdout] = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-d4b2984cf0ecee47.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_buttons_interrupt" test) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-demos` (bin "snake" test) due to 2 previous errors [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_buttons") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_buttons" test) due to 2 previous errors [INFO] [stderr] error: could not compile `microbit-demos` (bin "leds") due to 2 previous errors [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_random") due to 2 previous errors [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_echo") due to 2 previous errors [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_echo" test) due to 2 previous errors [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_random" test) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-demos` (bin "serial_buttons_interrupt") due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `microbit-demos` (bin "snake") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "68463a6f1a3518ea477586da5d38ae0bc667e7eb04c155a2bd1528d8e8f616c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68463a6f1a3518ea477586da5d38ae0bc667e7eb04c155a2bd1528d8e8f616c9", kill_on_drop: false }` [INFO] [stdout] 68463a6f1a3518ea477586da5d38ae0bc667e7eb04c155a2bd1528d8e8f616c9