[INFO] cloning repository https://github.com/IPSE-TEAM/conjugate-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IPSE-TEAM/conjugate-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIPSE-TEAM%2Fconjugate-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIPSE-TEAM%2Fconjugate-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daa67f6a629a4eaa0d2dc69003cecf6003b016d4
[INFO] testing IPSE-TEAM/conjugate-poc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIPSE-TEAM%2Fconjugate-poc" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/IPSE-TEAM/conjugate-poc 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/IPSE-TEAM/conjugate-poc
[INFO] finished tweaking git repo https://github.com/IPSE-TEAM/conjugate-poc
[INFO] tweaked toml for git repo https://github.com/IPSE-TEAM/conjugate-poc written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/IPSE-TEAM/conjugate-poc 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 58dba89fc57991f6df54023a44ad0497e6f7795bbe3815c786c0bac8ea27592c
[INFO] running `Command { std: "docker" "start" "-a" "58dba89fc57991f6df54023a44ad0497e6f7795bbe3815c786c0bac8ea27592c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58dba89fc57991f6df54023a44ad0497e6f7795bbe3815c786c0bac8ea27592c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58dba89fc57991f6df54023a44ad0497e6f7795bbe3815c786c0bac8ea27592c", kill_on_drop: false }`
[INFO] [stdout] 58dba89fc57991f6df54023a44ad0497e6f7795bbe3815c786c0bac8ea27592c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] a5920eaef14e02d1fa79cab5afb58b20c73ee7d9bc6957cd246f54816b881bf1
[INFO] running `Command { std: "docker" "start" "-a" "a5920eaef14e02d1fa79cab5afb58b20c73ee7d9bc6957cd246f54816b881bf1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling bitvec v0.14.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling parity-wasm v0.40.3
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling zeroize v0.10.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling environmental v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling integer-sqrt v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling nohash-hasher v0.1.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling static_slice v0.0.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling ipnet v2.0.0
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling once_cell v0.2.4
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling bitmask v0.5.0
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling substrate-consensus-slots v2.0.0 (/opt/rustwide/workdir/vendor/substrate/core/consensus/slots)
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling sysinfo v0.9.5
[INFO] [stderr]    Compiling interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.3
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling target_info v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling sr-std v2.0.0 (/opt/rustwide/workdir/vendor/substrate/core/sr-std)
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling sr-io v2.0.0 (/opt/rustwide/workdir/vendor/substrate/core/sr-io)
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling trie-root v0.15.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/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="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=00609df68f1a6931 -C extra-filename=-00609df68f1a6931 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "a5920eaef14e02d1fa79cab5afb58b20c73ee7d9bc6957cd246f54816b881bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5920eaef14e02d1fa79cab5afb58b20c73ee7d9bc6957cd246f54816b881bf1", kill_on_drop: false }`
[INFO] [stdout] a5920eaef14e02d1fa79cab5afb58b20c73ee7d9bc6957cd246f54816b881bf1