[INFO] crate rmicrobit 1.0.1 is already in cache
[INFO] testing rmicrobit-1.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rmicrobit 1.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rmicrobit 1.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmicrobit 1.0.1
[INFO] finished tweaking crates.io crate rmicrobit 1.0.1
[INFO] tweaked toml for crates.io crate rmicrobit 1.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rmicrobit 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd4f60eadf8518e5f47016aa9bc09a2df67df4cb62d6c4034e67dc887cc00dd7
[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" "dd4f60eadf8518e5f47016aa9bc09a2df67df4cb62d6c4034e67dc887cc00dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd4f60eadf8518e5f47016aa9bc09a2df67df4cb62d6c4034e67dc887cc00dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4f60eadf8518e5f47016aa9bc09a2df67df4cb62d6c4034e67dc887cc00dd7", kill_on_drop: false }`
[INFO] [stdout] dd4f60eadf8518e5f47016aa9bc09a2df67df4cb62d6c4034e67dc887cc00dd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 85f04606f3c17dc0e5143ea479cb59c63b1b4afde25d7809db4ef4b811db9953
[INFO] running `Command { std: "docker" "start" "-a" "85f04606f3c17dc0e5143ea479cb59c63b1b4afde25d7809db4ef4b811db9953", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.11
[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 fpa v0.1.0
[INFO] [stderr]    Compiling nrf51 v0.7.0
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rmicrobit v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tiny-led-matrix v1.0.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling embedded-hal 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 nrf51-hal v0.7.1
[INFO] [stdout] warning: associated type `width` should have an upper camel case name
[INFO] [stdout]   --> src/buttons/monitors/holding.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type width: PartialOrd + AddAssign + Copy;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.84s
[INFO] running `Command { std: "docker" "inspect" "85f04606f3c17dc0e5143ea479cb59c63b1b4afde25d7809db4ef4b811db9953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f04606f3c17dc0e5143ea479cb59c63b1b4afde25d7809db4ef4b811db9953", kill_on_drop: false }`
[INFO] [stdout] 85f04606f3c17dc0e5143ea479cb59c63b1b4afde25d7809db4ef4b811db9953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1156c756d2a9420064cddda4abad52429aadce65b8dd79a2df7322502250000d
[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" "1156c756d2a9420064cddda4abad52429aadce65b8dd79a2df7322502250000d", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.1
[INFO] [stderr]    Compiling rtfm-core v0.3.0
[INFO] [stderr]    Compiling numtoa v0.2.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stdout] warning: associated type `width` should have an upper camel case name
[INFO] [stdout]   --> src/buttons/monitors/holding.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type width: PartialOrd + AddAssign + Copy;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling panic-semihosting v0.5.3
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.0
[INFO] [stderr]    Compiling rmicrobit v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `width` should have an upper camel case name
[INFO] [stdout]   --> src/buttons/monitors/holding.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type width: PartialOrd + AddAssign + Copy;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmicrobit`.
[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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1156c756d2a9420064cddda4abad52429aadce65b8dd79a2df7322502250000d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1156c756d2a9420064cddda4abad52429aadce65b8dd79a2df7322502250000d", kill_on_drop: false }`
[INFO] [stdout] 1156c756d2a9420064cddda4abad52429aadce65b8dd79a2df7322502250000d