[INFO] cloning repository https://github.com/curiousleo/keygen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/curiousleo/keygen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousleo%2Fkeygen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousleo%2Fkeygen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c1d0d867ee8f43655877ec14f1d7bfbce0ed2f6
[INFO] testing curiousleo/keygen against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuriousleo%2Fkeygen" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/curiousleo/keygen 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/curiousleo/keygen
[INFO] finished tweaking git repo https://github.com/curiousleo/keygen
[INFO] tweaked toml for git repo https://github.com/curiousleo/keygen written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/curiousleo/keygen 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 memsec v0.5.6
[INFO] [stderr]   Downloaded mach_o_sys v0.1.1
[INFO] [stderr]   Downloaded nettle-sys v2.0.4
[INFO] [stderr]   Downloaded nettle v5.0.3
[INFO] [stderr]   Downloaded test_bin v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0712ec96d47d7bf7325016eb8b5b9c465a82b867b7a3fc764ac7ce61d04b7584
[INFO] running `Command { std: "docker" "start" "-a" "0712ec96d47d7bf7325016eb8b5b9c465a82b867b7a3fc764ac7ce61d04b7584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0712ec96d47d7bf7325016eb8b5b9c465a82b867b7a3fc764ac7ce61d04b7584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0712ec96d47d7bf7325016eb8b5b9c465a82b867b7a3fc764ac7ce61d04b7584", kill_on_drop: false }`
[INFO] [stdout] 0712ec96d47d7bf7325016eb8b5b9c465a82b867b7a3fc764ac7ce61d04b7584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 177ae3b67f00179a7b8899c6943a53dbda10d8ea8c5fbd95f68f8527c29e6a82
[INFO] running `Command { std: "docker" "start" "-a" "177ae3b67f00179a7b8899c6943a53dbda10d8ea8c5fbd95f68f8527c29e6a82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memsec v0.5.6
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.9
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling buffered-reader v0.12.0 (https://gitlab.com/sequoia-pgp/sequoia.git?rev=f53c77752ff04c3713c175a76a06723042e681ae#f53c7775)
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling quickcheck v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling nettle-sys v2.0.4
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr] error: could not compile `lalrpop`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lalrpop /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.17.2/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=a65834b8fdb9cfc4 -C extra-filename=-a65834b8fdb9cfc4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ascii_canvas=/opt/rustwide/target/debug/deps/libascii_canvas-d19e282b7093e13c.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-8ac8931fee1769e0.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-d2a9ed4bda5b45ed.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-08e1ab3d04d33e1f.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-5c8b47837deb2cbb.rmeta --extern ena=/opt/rustwide/target/debug/deps/libena-a8fae203899e2ea0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-47b38ef8e7f15df5.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-d99d8f1e670f9f93.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-94b4e12dfefbe6a4.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-045f1501ce45803c.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-34c5ef2b83fef358.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9428385ee4d39e77.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d426aed81172cc46.so --extern sha2=/opt/rustwide/target/debug/deps/libsha2-b181a97e8bc02721.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-d5cc7d9668554ebc.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-1aff318fcd87b73d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-2f6444d33d391550.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" "177ae3b67f00179a7b8899c6943a53dbda10d8ea8c5fbd95f68f8527c29e6a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177ae3b67f00179a7b8899c6943a53dbda10d8ea8c5fbd95f68f8527c29e6a82", kill_on_drop: false }`
[INFO] [stdout] 177ae3b67f00179a7b8899c6943a53dbda10d8ea8c5fbd95f68f8527c29e6a82