[INFO] fetching crate below 0.3.0...
[INFO] testing below-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate below 0.3.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate below 0.3.0 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 below 0.3.0
[INFO] finished tweaking crates.io crate below 0.3.0
[INFO] tweaked toml for crates.io crate below 0.3.0 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate below 0.3.0 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 users v0.11.0
[INFO] [stderr]   Downloaded vsprintf v2.0.0
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded scroll_derive v0.10.5
[INFO] [stderr]   Downloaded memmap2 v0.3.0
[INFO] [stderr]   Downloaded below-dump v0.3.0
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] [stderr]   Downloaded futures-core v0.3.15
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded libbpf-cargo v0.8.0
[INFO] [stderr]   Downloaded slog-async v2.6.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.2
[INFO] [stderr]   Downloaded num_enum v0.5.2
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] [stderr]   Downloaded libbpf-sys v0.4.0-2
[INFO] [stderr]   Downloaded libbpf-rs v0.11.2
[INFO] [stderr]   Downloaded cargo-platform v0.1.1
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded cargo_metadata v0.12.3
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded below-view v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 926f585675c188d01d60810a87f856c8ae0a25d0ac854af5763a623f840ffec6
[INFO] running `Command { std: "docker" "start" "-a" "926f585675c188d01d60810a87f856c8ae0a25d0ac854af5763a623f840ffec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926f585675c188d01d60810a87f856c8ae0a25d0ac854af5763a623f840ffec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926f585675c188d01d60810a87f856c8ae0a25d0ac854af5763a623f840ffec6", kill_on_drop: false }`
[INFO] [stdout] 926f585675c188d01d60810a87f856c8ae0a25d0ac854af5763a623f840ffec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 9e3fe7c9fa9a0bebdf9620c8167965391c7512bdde7e335346f8c7d1bd378f62
[INFO] running `Command { std: "docker" "start" "-a" "9e3fe7c9fa9a0bebdf9620c8167965391c7512bdde7e335346f8c7d1bd378f62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling zstd-safe v4.0.0+zstd.1.4.9
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling openat v0.1.21
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling memmap2 v0.3.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling slog-async v2.6.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling zstd-sys v1.5.0+zstd.1.4.9
[INFO] [stderr]    Compiling libbpf-sys v0.4.0-2
[INFO] [stderr]    Compiling vsprintf v2.0.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=72599a3743c804aa -C extra-filename=-72599a3743c804aa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-329dab68dba20daf.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-60b552b2e8c87651.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-0fc606efc91e3789.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-349506f3b2349b3f.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-05a4b639dec6224c.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-5f104c2ee05f26e6.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" "9e3fe7c9fa9a0bebdf9620c8167965391c7512bdde7e335346f8c7d1bd378f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3fe7c9fa9a0bebdf9620c8167965391c7512bdde7e335346f8c7d1bd378f62", kill_on_drop: false }`
[INFO] [stdout] 9e3fe7c9fa9a0bebdf9620c8167965391c7512bdde7e335346f8c7d1bd378f62