[INFO] fetching crate basic_dsp_matrix 0.9.0...
[INFO] checking basic_dsp_matrix-0.9.0 against beta for pr-78714
[INFO] extracting crate basic_dsp_matrix 0.9.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate basic_dsp_matrix 0.9.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic_dsp_matrix 0.9.0
[INFO] finished tweaking crates.io crate basic_dsp_matrix 0.9.0
[INFO] tweaked toml for crates.io crate basic_dsp_matrix 0.9.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bd12c66c8d4b971fa008c4f2e7450141b535b4cc4c78e7c3204f1ba24398a23
[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" "7bd12c66c8d4b971fa008c4f2e7450141b535b4cc4c78e7c3204f1ba24398a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd12c66c8d4b971fa008c4f2e7450141b535b4cc4c78e7c3204f1ba24398a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd12c66c8d4b971fa008c4f2e7450141b535b4cc4c78e7c3204f1ba24398a23", kill_on_drop: false }`
[INFO] [stdout] 7bd12c66c8d4b971fa008c4f2e7450141b535b4cc4c78e7c3204f1ba24398a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e83a59a8b6b1edbb5904a1914f3b505944b4df70a384f854dc99290563b4487f
[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" "e83a59a8b6b1edbb5904a1914f3b505944b4df70a384f854dc99290563b4487f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking libc v0.2.80
[INFO] [stderr]     Checking maybe-uninit v2.0.0
[INFO] [stderr]     Checking memoffset v0.5.6
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking num-traits v0.2.14
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking linreg v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking rustfft v4.0.0
[INFO] [stderr]     Checking basic_dsp_vector v0.9.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking hamcrest v0.1.5
[INFO] [stderr]     Checking basic_dsp_matrix v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.03s
[INFO] running `Command { std: "docker" "inspect" "e83a59a8b6b1edbb5904a1914f3b505944b4df70a384f854dc99290563b4487f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83a59a8b6b1edbb5904a1914f3b505944b4df70a384f854dc99290563b4487f", kill_on_drop: false }`
[INFO] [stdout] e83a59a8b6b1edbb5904a1914f3b505944b4df70a384f854dc99290563b4487f