[INFO] fetching crate cargo-rtic-scope 0.1.0-alpha.1...
[INFO] testing cargo-rtic-scope-0.1.0-alpha.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cargo-rtic-scope 0.1.0-alpha.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate cargo-rtic-scope 0.1.0-alpha.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-rtic-scope 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate cargo-rtic-scope 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate cargo-rtic-scope 0.1.0-alpha.1 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate cargo-rtic-scope 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] [stderr]   Downloaded include_dir v0.6.1
[INFO] [stderr]   Downloaded bitmatch v0.1.1
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded jep106 v0.2.5
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded libflate v1.1.0
[INFO] [stderr]   Downloaded include_dir_impl v0.6.1
[INFO] [stderr]   Downloaded boolean_expression v0.3.11
[INFO] [stderr]   Downloaded itm-decode v0.4.0-alpha.0
[INFO] [stderr]   Downloaded libusb1-sys v0.4.4
[INFO] [stderr]   Downloaded rtic-scope-api v0.1.0-alpha.0
[INFO] [stderr]   Downloaded ihex v3.0.0
[INFO] [stderr]   Downloaded probe-rs-t2rust v0.7.0
[INFO] [stderr]   Downloaded jaylink v0.1.5
[INFO] [stderr]   Downloaded rtic-syntax v0.5.0-alpha.3
[INFO] [stderr]   Downloaded rusb v0.6.5
[INFO] [stderr]   Downloaded probe-rs v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af6215eb49c065abbafe285efe33eb2c79c5863892c197c3c2ce1cc8e85362f9
[INFO] running `Command { std: "docker" "start" "-a" "af6215eb49c065abbafe285efe33eb2c79c5863892c197c3c2ce1cc8e85362f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af6215eb49c065abbafe285efe33eb2c79c5863892c197c3c2ce1cc8e85362f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6215eb49c065abbafe285efe33eb2c79c5863892c197c3c2ce1cc8e85362f9", kill_on_drop: false }`
[INFO] [stdout] af6215eb49c065abbafe285efe33eb2c79c5863892c197c3c2ce1cc8e85362f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c82a4d451f9829f5eef722899cd7f15dd85b4f4dd974e79ff04d6a427d1b58
[INFO] running `Command { std: "docker" "start" "-a" "25c82a4d451f9829f5eef722899cd7f15dd85b4f4dd974e79ff04d6a427d1b58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling svg v0.8.2
[INFO] [stderr]    Compiling ihex v3.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling libflate v1.1.0
[INFO] [stderr]    Compiling boolean_expression v0.3.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libusb1-sys v0.4.4
[INFO] [stderr]    Compiling hidapi v1.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.21.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f5dc26d149b5faba -C extra-filename=-f5dc26d149b5faba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dece450273084492.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a48386a87448b2eb.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-cfa241b6ab16dc70.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25c82a4d451f9829f5eef722899cd7f15dd85b4f4dd974e79ff04d6a427d1b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c82a4d451f9829f5eef722899cd7f15dd85b4f4dd974e79ff04d6a427d1b58", kill_on_drop: false }`
[INFO] [stdout] 25c82a4d451f9829f5eef722899cd7f15dd85b4f4dd974e79ff04d6a427d1b58