[INFO] fetching crate serenade 0.3.0...
[INFO] testing serenade-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate serenade 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serenade 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serenade 0.3.0
[INFO] finished tweaking crates.io crate serenade 0.3.0
[INFO] tweaked toml for crates.io crate serenade 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate serenade 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded actix-service v1.0.6
[INFO] [stderr]   Downloaded bytestring v1.0.0
[INFO] [stderr]   Downloaded resolv-conf v0.7.0
[INFO] [stderr]   Downloaded actix-connect v2.0.0
[INFO] [stderr]   Downloaded cexpr v0.6.0
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.3
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.2
[INFO] [stderr]   Downloaded hostname v0.3.1
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded discard v1.0.4
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded cookie v0.14.4
[INFO] [stderr]   Downloaded widestring v0.4.3
[INFO] [stderr]   Downloaded ipconfig v0.2.2
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded simba v0.5.1
[INFO] [stderr]   Downloaded libm v0.2.2
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded ordered-float v2.10.0
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.9.0
[INFO] [stderr]   Downloaded const_fn v0.4.9
[INFO] [stderr]   Downloaded avro-rs v0.13.0
[INFO] [stderr]   Downloaded tracing-core v0.1.24
[INFO] [stderr]   Downloaded actix-router v0.2.7
[INFO] [stderr]   Downloaded actix-server v1.0.4
[INFO] [stderr]   Downloaded actix-codec v0.3.0
[INFO] [stderr]   Downloaded actix-macros v0.1.3
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded enum-as-inner v0.3.4
[INFO] [stderr]   Downloaded prometheus v0.11.0
[INFO] [stderr]   Downloaded libflate v1.2.0
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.9
[INFO] [stderr]   Downloaded actix-http v2.2.2
[INFO] [stderr]   Downloaded justconfig v1.0.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.7
[INFO] [stderr]   Downloaded actix-utils v2.0.0
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded nalgebra v0.27.1
[INFO] [stderr]   Downloaded actix-rt v1.1.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded actix-web-prom v0.5.1
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded tpe v0.2.0
[INFO] [stderr]   Downloaded stdweb v0.4.20
[INFO] [stderr]   Downloaded brotli v3.3.4
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.5
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded dary_heap v0.2.5
[INFO] [stderr]   Downloaded librocksdb-sys v6.20.3
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded sys-info v0.9.1
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded actix-testing v1.0.1
[INFO] [stderr]   Downloaded actix-tls v2.0.0
[INFO] [stderr]   Downloaded actix-web-codegen v0.4.0
[INFO] [stderr]   Downloaded actix-threadpool v0.3.3
[INFO] [stderr]   Downloaded bindgen v0.59.2
[INFO] [stderr]   Downloaded actix-web v3.3.3
[INFO] [stderr]   Downloaded stats-cli v2.0.0
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded tdigest v0.2.3
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded statrs v0.15.0
[INFO] [stderr]   Downloaded lru-cache v0.1.2
[INFO] [stderr]   Downloaded match_cfg v0.1.0
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.29
[INFO] [stderr]   Downloaded pin-project v0.4.29
[INFO] [stderr]   Downloaded copyless v0.1.5
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded stdweb-derive v0.5.3
[INFO] [stderr]   Downloaded base-x v0.2.8
[INFO] [stderr]   Downloaded sha1_smol v1.0.0
[INFO] [stderr]   Downloaded sha1 v0.6.1
[INFO] [stderr]   Downloaded typed-builder v0.5.1
[INFO] [stderr]   Downloaded clang-sys v1.3.1
[INFO] [stderr]   Downloaded awc v2.0.3
[INFO] [stderr]   Downloaded standback v0.2.17
[INFO] [stderr]   Downloaded time-macros-impl v0.1.2
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded rocksdb v0.16.0
[INFO] [stderr]   Downloaded tracing v0.1.32
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.7
[INFO] [stderr]   Downloaded time-macros v0.1.1
[INFO] [stderr]   Downloaded time v0.2.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d965a086d5b6702fae00294ac76a8172de577fbc67a4d59dc0620515895b68c0
[INFO] running `Command { std: "docker" "start" "-a" "d965a086d5b6702fae00294ac76a8172de577fbc67a4d59dc0620515895b68c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d965a086d5b6702fae00294ac76a8172de577fbc67a4d59dc0620515895b68c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d965a086d5b6702fae00294ac76a8172de577fbc67a4d59dc0620515895b68c0", kill_on_drop: false }`
[INFO] [stdout] d965a086d5b6702fae00294ac76a8172de577fbc67a4d59dc0620515895b68c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f172079339d57def79654b8bbb90573e64cace936ebe1d5c5b29075c9b72737
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f172079339d57def79654b8bbb90573e64cace936ebe1d5c5b29075c9b72737", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling justconfig v1.0.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling dary_heap v0.2.5
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling libflate v1.2.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling tdigest v0.2.3
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling stats-cli v2.0.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr] error: could not compile `simba`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name simba --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/simba-0.5.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="std"' -C metadata=92f10090259428fc -C extra-filename=-92f10090259428fc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-2dfc196f607f609d.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-281654384dfbd923.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-d577545cfebdf2a0.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-20ebc6fd9e2b3438.so --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" "7f172079339d57def79654b8bbb90573e64cace936ebe1d5c5b29075c9b72737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f172079339d57def79654b8bbb90573e64cace936ebe1d5c5b29075c9b72737", kill_on_drop: false }`
[INFO] [stdout] 7f172079339d57def79654b8bbb90573e64cace936ebe1d5c5b29075c9b72737