[INFO] cloning repository https://github.com/WaffleHacks/wafflemaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WaffleHacks/wafflemaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaffleHacks%2Fwafflemaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaffleHacks%2Fwafflemaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54880477a427982297436b337d5ace0a10f13e2c
[INFO] testing WaffleHacks/wafflemaker against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWaffleHacks%2Fwafflemaker" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WaffleHacks/wafflemaker 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 git repo https://github.com/WaffleHacks/wafflemaker
[INFO] finished tweaking git repo https://github.com/WaffleHacks/wafflemaker
[INFO] tweaked toml for git repo https://github.com/WaffleHacks/wafflemaker written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/WaffleHacks/wafflemaker 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 darling_macro v0.12.4
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded sha-1 v0.9.6
[INFO] [stderr]   Downloaded sentry-core v0.23.0
[INFO] [stderr]   Downloaded sentry v0.23.0
[INFO] [stderr]   Downloaded sentry-panic v0.23.0
[INFO] [stderr]   Downloaded sled v0.34.6
[INFO] [stderr]   Downloaded pem v0.8.3
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded bollard-stubs v1.41.0
[INFO] [stderr]   Downloaded ct-logs v0.8.0
[INFO] [stderr]   Downloaded security-framework v2.3.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded sentry-anyhow v0.23.0
[INFO] [stderr]   Downloaded uname v0.1.1
[INFO] [stderr]   Downloaded sentry-contexts v0.23.0
[INFO] [stderr]   Downloaded sentry-backtrace v0.23.0
[INFO] [stderr]   Downloaded git2 v0.13.20
[INFO] [stderr]   Downloaded native-tls v0.2.8
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded sentry-types v0.23.0
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded openssl-sys v0.9.66
[INFO] [stderr]   Downloaded deadqueue v0.2.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.6
[INFO] [stderr]   Downloaded hyper v0.14.8
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded tabled v0.2.2
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded papergrid v0.1.21
[INFO] [stderr]   Downloaded tabled_derive v0.1.7
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.18
[INFO] [stderr]   Downloaded serde_with_macros v1.4.1
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded jsonwebtoken v7.2.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded openssl v0.10.36
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded bollard v0.11.0
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded sentry-tracing v0.23.0
[INFO] [stderr]   Downloaded serde_with v1.9.1
[INFO] [stderr]   Downloaded zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]   Downloaded unicode-normalization v0.1.18
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]   Downloaded zstd-sys v1.4.18+zstd.1.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 57c1aa05153cd8d6a8afe57775af93c5b753f8da27cdcacf3eb5054e3525724b
[INFO] running `Command { std: "docker" "start" "-a" "57c1aa05153cd8d6a8afe57775af93c5b753f8da27cdcacf3eb5054e3525724b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c1aa05153cd8d6a8afe57775af93c5b753f8da27cdcacf3eb5054e3525724b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c1aa05153cd8d6a8afe57775af93c5b753f8da27cdcacf3eb5054e3525724b", kill_on_drop: false }`
[INFO] [stdout] 57c1aa05153cd8d6a8afe57775af93c5b753f8da27cdcacf3eb5054e3525724b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 001d295f4857d094575ccd5dcf83eddd803524ca2a628893943aea900fbb211a
[INFO] running `Command { std: "docker" "start" "-a" "001d295f4857d094575ccd5dcf83eddd803524ca2a628893943aea900fbb211a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling cpufeatures v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.18
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling sentry-contexts v0.23.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling darling_macro v0.12.4
[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=f6eefc568e1fdc8d -C extra-filename=-f6eefc568e1fdc8d --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-1e49ff90cdfb8e83.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" "001d295f4857d094575ccd5dcf83eddd803524ca2a628893943aea900fbb211a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001d295f4857d094575ccd5dcf83eddd803524ca2a628893943aea900fbb211a", kill_on_drop: false }`
[INFO] [stdout] 001d295f4857d094575ccd5dcf83eddd803524ca2a628893943aea900fbb211a