[INFO] cloning repository https://github.com/th0rex/markov
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/th0rex/markov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0rex%2Fmarkov"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0rex%2Fmarkov'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24ef9f9bef7ff20cc9a135ccc67cb5697b6f3f7d
[INFO] testing th0rex/markov against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0rex%2Fmarkov" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/th0rex/markov on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/th0rex/markov
[INFO] finished tweaking git repo https://github.com/th0rex/markov
[INFO] tweaked toml for git repo https://github.com/th0rex/markov written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/th0rex/markov already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55972a588f148b3f6f86abd2b83c8ef251caac682f6ec6f25f8a070b3d586190
[INFO] running `"docker" "start" "-a" "55972a588f148b3f6f86abd2b83c8ef251caac682f6ec6f25f8a070b3d586190"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling serenity v0.7.0
[INFO] [stderr]    Compiling uwl v0.4.2
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[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 bincode v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.6.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling zstd-sys v1.4.13+zstd.1.4.3
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling webpki v0.21.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.17.0
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling publicsuffix v1.5.3
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tungstenite v0.9.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling command_attr v0.1.5
[INFO] [stderr]    Compiling tokio-rustls v0.10.2
[INFO] [stderr]    Compiling hyper-rustls v0.17.1
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]    Compiling const-random v0.1.6
[INFO] [stderr]    Compiling ahash v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr]    Compiling zstd-safe v1.4.13+zstd.1.4.3
[INFO] [stderr]    Compiling zstd v0.4.28+zstd.1.4.3
[INFO] [stderr] error: could not compile `serenity`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serenity --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serenity-0.7.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="base64"' --cfg 'feature="builder"' --cfg 'feature="cache"' --cfg 'feature="client"' --cfg 'feature="command_attr"' --cfg 'feature="default"' --cfg 'feature="flate2"' --cfg 'feature="framework"' --cfg 'feature="gateway"' --cfg 'feature="http"' --cfg 'feature="model"' --cfg 'feature="native_tls_backend"' --cfg 'feature="reqwest"' --cfg 'feature="rustls"' --cfg 'feature="rustls_backend"' --cfg 'feature="standard_framework"' --cfg 'feature="threadpool"' --cfg 'feature="tungstenite"' --cfg 'feature="typemap"' --cfg 'feature="url"' --cfg 'feature="utils"' --cfg 'feature="uwl"' --cfg 'feature="webpki"' --cfg 'feature="webpki-roots"' -C metadata=29ee8f638a998ca7 -C extra-filename=-29ee8f638a998ca7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-874b6ea391b91190.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f854f5e9b96c0265.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-b486cff695ca9c8c.rmeta --extern command_attr=/opt/rustwide/target/debug/deps/libcommand_attr-fe2c1d963669df9a.so --extern flate2=/opt/rustwide/target/debug/deps/libflate2-5cb34c8151df6c51.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-94affdc30a23f199.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-7ff96445682a2ddb.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-178a1a9e5ad2f66b.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-d427808ced541dad.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-14d1ca439e79b88c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3c29a2af2a5f61de.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-3a8e7b6a263c9ad1.rmeta --extern tungstenite=/opt/rustwide/target/debug/deps/libtungstenite-d031d572239fccf6.rmeta --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-742b14beb25d660f.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-fdaf65263b02f544.rmeta --extern uwl=/opt/rustwide/target/debug/deps/libuwl-9a9aa81e947af10e.rmeta --extern webpki=/opt/rustwide/target/debug/deps/libwebpki-b5ef5077bcb366bc.rmeta --extern webpki_roots=/opt/rustwide/target/debug/deps/libwebpki_roots-7650543b8463b3c5.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/miniz-sys-229dc098d28e96ab/out -L native=/opt/rustwide/target/debug/build/backtrace-sys-1c2a9282edc7bf93/out -L native=/opt/rustwide/target/debug/build/ring-2baa6591dcb3afd9/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "55972a588f148b3f6f86abd2b83c8ef251caac682f6ec6f25f8a070b3d586190"`
[INFO] running `"docker" "rm" "-f" "55972a588f148b3f6f86abd2b83c8ef251caac682f6ec6f25f8a070b3d586190"`
[INFO] [stdout] 55972a588f148b3f6f86abd2b83c8ef251caac682f6ec6f25f8a070b3d586190