[INFO] crate nrf52840-platform 0.1.2 is already in cache [INFO] testing nrf52840-platform-0.1.2 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate nrf52840-platform 0.1.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate nrf52840-platform 0.1.2 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate nrf52840-platform 0.1.2 [INFO] finished tweaking crates.io crate nrf52840-platform 0.1.2 [INFO] tweaked toml for crates.io crate nrf52840-platform 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate nrf52840-platform 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6be3e9ed1e4f6c35cb81ccc28feebaf35bca7c88363a7b10932b70d02d3d922a [INFO] running `"docker" "start" "-a" "6be3e9ed1e4f6c35cb81ccc28feebaf35bca7c88363a7b10932b70d02d3d922a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling cortex-m v0.6.1 [INFO] [stderr] Compiling cortex-m-rt v0.6.11 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling futures-sink v0.3.1 [INFO] [stderr] Compiling nrf52840-pac v0.8.0 [INFO] [stderr] Compiling fpa v0.1.0 [INFO] [stderr] Compiling futures-core v0.3.1 [INFO] [stderr] Compiling futures-task v0.3.1 [INFO] [stderr] Compiling futures-io v0.3.1 [INFO] [stderr] Compiling nrf52840-hal v0.8.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling as-slice v0.1.2 [INFO] [stderr] Compiling aligned v0.3.2 [INFO] [stderr] Compiling cortex-m-rt-macros v0.1.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling futures-util v0.3.1 [INFO] [stderr] Compiling futures v0.3.1 [INFO] [stderr] Compiling embedded-platform v0.1.1 [INFO] [stderr] Compiling nrf52-hal-common v0.8.1 [INFO] [stderr] Compiling nrf52840-platform v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sda` [INFO] [stderr] --> src/i2c.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | sda: &mut gpio::Pin>>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sda` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scl` [INFO] [stderr] --> src/i2c.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | scl: &mut gpio::Pin>>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_scl` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/i2c.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | addr: u8, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffer` [INFO] [stderr] --> src/i2c.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | buffer: &mut [u8], [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/i2c.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | addr: u8, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/i2c.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | bytes: &[u8], [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 27s [INFO] running `"docker" "inspect" "6be3e9ed1e4f6c35cb81ccc28feebaf35bca7c88363a7b10932b70d02d3d922a"` [INFO] running `"docker" "rm" "-f" "6be3e9ed1e4f6c35cb81ccc28feebaf35bca7c88363a7b10932b70d02d3d922a"` [INFO] [stdout] 6be3e9ed1e4f6c35cb81ccc28feebaf35bca7c88363a7b10932b70d02d3d922a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 36441fe686c94c574435e4aa6c5accd408d8518fe539a8df16b5c0b0093182a1 [INFO] running `"docker" "start" "-a" "36441fe686c94c574435e4aa6c5accd408d8518fe539a8df16b5c0b0093182a1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling core-futures-tls v0.1.1 [INFO] [stderr] Compiling panic-halt v0.2.0 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-futures-tls-0.1.1/src/lib.rs:78:1 [INFO] [stderr] | [INFO] [stderr] 78 | #![feature(thread_local, generator_trait, optin_builtin_traits)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-futures-tls-0.1.1/src/future.rs:30:32 [INFO] [stderr] | [INFO] [stderr] 30 | impl> !Unpin for GenFuture {} [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #68318 for more information [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sda` [INFO] [stderr] --> src/i2c.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | sda: &mut gpio::Pin>>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sda` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scl` [INFO] [stderr] --> src/i2c.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | scl: &mut gpio::Pin>>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_scl` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/i2c.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | addr: u8, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffer` [INFO] [stderr] --> src/i2c.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | buffer: &mut [u8], [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/i2c.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | addr: u8, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/i2c.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | bytes: &[u8], [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/i2c.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | cx: &mut task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-futures-tls-0.1.1/src/future.rs:38:43 [INFO] [stderr] | [INFO] [stderr] 38 | set_task_context(cx, || match gen.resume() { [INFO] [stderr] | ^^^^^^- supplied 0 arguments [INFO] [stderr] | [INFO] [stderr] help: expected the unit value `()`; create it with empty parentheses [INFO] [stderr] | [INFO] [stderr] 38 | set_task_context(cx, || match gen.resume(()) { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0061, E0554, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0061`. [INFO] [stderr] error: could not compile `core-futures-tls`. [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] [stderr] error: build failed [INFO] running `"docker" "inspect" "36441fe686c94c574435e4aa6c5accd408d8518fe539a8df16b5c0b0093182a1"` [INFO] running `"docker" "rm" "-f" "36441fe686c94c574435e4aa6c5accd408d8518fe539a8df16b5c0b0093182a1"` [INFO] [stdout] 36441fe686c94c574435e4aa6c5accd408d8518fe539a8df16b5c0b0093182a1