[INFO] fetching crate itsybitsy_m4 0.7.0...
[INFO] testing itsybitsy_m4-0.7.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate itsybitsy_m4 0.7.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate itsybitsy_m4 0.7.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-66/source/.cargo/config
[INFO] started tweaking crates.io crate itsybitsy_m4 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate itsybitsy_m4 0.7.0
[INFO] tweaked toml for crates.io crate itsybitsy_m4 0.7.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate itsybitsy_m4 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d40a823ce5bbc2b51698e1a0d74a5b816e979fee3391cdf5b90dab946f6c3193
[INFO] running `Command { std: "docker" "start" "-a" "d40a823ce5bbc2b51698e1a0d74a5b816e979fee3391cdf5b90dab946f6c3193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d40a823ce5bbc2b51698e1a0d74a5b816e979fee3391cdf5b90dab946f6c3193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40a823ce5bbc2b51698e1a0d74a5b816e979fee3391cdf5b90dab946f6c3193", kill_on_drop: false }`
[INFO] [stdout] d40a823ce5bbc2b51698e1a0d74a5b816e979fee3391cdf5b90dab946f6c3193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48de9cf331acda6c1b00da8e2cc69eb68c9e0c488b5b427fa3c5289715f0f05
[INFO] running `Command { std: "docker" "start" "-a" "d48de9cf331acda6c1b00da8e2cc69eb68c9e0c488b5b427fa3c5289715f0f05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling atsamd51g v0.11.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itsybitsy_m4 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rgb v0.8.29
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling smart-leds v0.3.0
[INFO] [stderr]    Compiling bitbang-hal v0.3.2
[INFO] [stderr]    Compiling apa102-spi v0.3.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling atsamd-hal v0.14.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.80s
[INFO] running `Command { std: "docker" "inspect" "d48de9cf331acda6c1b00da8e2cc69eb68c9e0c488b5b427fa3c5289715f0f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48de9cf331acda6c1b00da8e2cc69eb68c9e0c488b5b427fa3c5289715f0f05", kill_on_drop: false }`
[INFO] [stdout] d48de9cf331acda6c1b00da8e2cc69eb68c9e0c488b5b427fa3c5289715f0f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e23e02bd78b1d35a202d0ff6fd36c2f15d68fd8f46f20b5a7ec50ccdb8b8d0
[INFO] running `Command { std: "docker" "start" "-a" "57e23e02bd78b1d35a202d0ff6fd36c2f15d68fd8f46f20b5a7ec50ccdb8b8d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rtic-core v0.3.1
[INFO] [stderr]    Compiling usb-device v0.2.8
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling usbd-serial v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.9
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.3
[INFO] [stderr]    Compiling itsybitsy_m4 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[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]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itsybitsy_m4` due to 2 previous errors
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "57e23e02bd78b1d35a202d0ff6fd36c2f15d68fd8f46f20b5a7ec50ccdb8b8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e23e02bd78b1d35a202d0ff6fd36c2f15d68fd8f46f20b5a7ec50ccdb8b8d0", kill_on_drop: false }`
[INFO] [stdout] 57e23e02bd78b1d35a202d0ff6fd36c2f15d68fd8f46f20b5a7ec50ccdb8b8d0