[INFO] fetching crate sprs 0.9.2...
[INFO] checking sprs-0.9.2 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate sprs 0.9.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sprs 0.9.2 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sprs 0.9.2
[INFO] finished tweaking crates.io crate sprs 0.9.2
[INFO] tweaked toml for crates.io crate sprs 0.9.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate sprs 0.9.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d124af4eb92b56bc3bb4c60ddd0d59ecc2e71d8cc71400005dc124095ab073f
[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" "5d124af4eb92b56bc3bb4c60ddd0d59ecc2e71d8cc71400005dc124095ab073f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d124af4eb92b56bc3bb4c60ddd0d59ecc2e71d8cc71400005dc124095ab073f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d124af4eb92b56bc3bb4c60ddd0d59ecc2e71d8cc71400005dc124095ab073f", kill_on_drop: false }`
[INFO] [stdout] 5d124af4eb92b56bc3bb4c60ddd0d59ecc2e71d8cc71400005dc124095ab073f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b6dde01e4f843ba36cc79184fb0aa65cd1ebeec1178e599cebb5ce9ee6428db
[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" "7b6dde01e4f843ba36cc79184fb0aa65cd1ebeec1178e599cebb5ce9ee6428db", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking tobj v2.0.2
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking sprs v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.45s
[INFO] running `Command { std: "docker" "inspect" "7b6dde01e4f843ba36cc79184fb0aa65cd1ebeec1178e599cebb5ce9ee6428db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6dde01e4f843ba36cc79184fb0aa65cd1ebeec1178e599cebb5ce9ee6428db", kill_on_drop: false }`
[INFO] [stdout] 7b6dde01e4f843ba36cc79184fb0aa65cd1ebeec1178e599cebb5ce9ee6428db