[INFO] cloning repository https://github.com/tetcoin/artist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcoin/artist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fartist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fartist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efc35dd32e10ca2bf1a74d58ed05ad5a0668ba21
[INFO] checking tetcoin/artist against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fartist" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetcoin/artist on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcoin/artist
[INFO] finished tweaking git repo https://github.com/tetcoin/artist
[INFO] tweaked toml for git repo https://github.com/tetcoin/artist written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcoin/artist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deeb033a985b2a207c1c9b9c7f567e9f28f815b5a1f5248c045f0dc1dda2b15b
[INFO] running `Command { std: "docker" "start" "-a" "deeb033a985b2a207c1c9b9c7f567e9f28f815b5a1f5248c045f0dc1dda2b15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deeb033a985b2a207c1c9b9c7f567e9f28f815b5a1f5248c045f0dc1dda2b15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deeb033a985b2a207c1c9b9c7f567e9f28f815b5a1f5248c045f0dc1dda2b15b", kill_on_drop: false }`
[INFO] [stdout] deeb033a985b2a207c1c9b9c7f567e9f28f815b5a1f5248c045f0dc1dda2b15b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520d1cac46de2dd83f65deb5281c51225f05228c2c28266bdefc1ab4ed5c1a3a
[INFO] running `Command { std: "docker" "start" "-a" "520d1cac46de2dd83f65deb5281c51225f05228c2c28266bdefc1ab4ed5c1a3a", 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]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking sp-std v2.0.1 (https://github.com/paritytech/substrate#928b7358)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling parity-util-mem v0.8.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking artist v0.1.0 (/opt/rustwide/workdir/artist)
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking trie-db v0.22.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking pwasm-utils v0.12.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking sp-panic-handler v2.0.1 (https://github.com/paritytech/substrate#928b7358)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.0
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1 (https://github.com/paritytech/substrate#928b7358)
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.1 (https://github.com/paritytech/substrate#928b7358)
[INFO] [stderr] error: could not compile `nalgebra`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nalgebra --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.21.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="matrixmultiply"' --cfg 'feature="rand_distr"' --cfg 'feature="std"' -C metadata=52996d45e574ee46 -C extra-filename=-52996d45e574ee46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-0824aa47b8cd0615.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-5de5e175337f91b3.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-572c4c2ee9f5f623.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-0108c4733f88880a.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-a806e23bf2a5384f.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a206459b9e622d07.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6da43382eb8ebc77.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-57cf086de6b4ad1e.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-be69e25226d7b3e8.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-141d44c7de69df3f.rmeta --cap-lints allow --cap-lints=forbid` (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" "520d1cac46de2dd83f65deb5281c51225f05228c2c28266bdefc1ab4ed5c1a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520d1cac46de2dd83f65deb5281c51225f05228c2c28266bdefc1ab4ed5c1a3a", kill_on_drop: false }`
[INFO] [stdout] 520d1cac46de2dd83f65deb5281c51225f05228c2c28266bdefc1ab4ed5c1a3a