[INFO] fetching crate dsp 0.8.1...
[INFO] checking dsp-0.8.1 against beta for pr-78714
[INFO] extracting crate dsp 0.8.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dsp 0.8.1 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 dsp 0.8.1
[INFO] finished tweaking crates.io crate dsp 0.8.1
[INFO] tweaked toml for crates.io crate dsp 0.8.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate dsp 0.8.1 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] a7fe78f049aa2f8c302814c9c37a4a8e5cc5eb015eb9e2e75ba4a5f0ead0be15
[INFO] running `Command { std: "docker" "start" "-a" "a7fe78f049aa2f8c302814c9c37a4a8e5cc5eb015eb9e2e75ba4a5f0ead0be15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7fe78f049aa2f8c302814c9c37a4a8e5cc5eb015eb9e2e75ba4a5f0ead0be15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fe78f049aa2f8c302814c9c37a4a8e5cc5eb015eb9e2e75ba4a5f0ead0be15", kill_on_drop: false }`
[INFO] [stdout] a7fe78f049aa2f8c302814c9c37a4a8e5cc5eb015eb9e2e75ba4a5f0ead0be15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5912a563c2d6378da1ba4cb56a079cdbc6c907edc6cfabaef528e2bdba7b5da4
[INFO] running `Command { std: "docker" "start" "-a" "5912a563c2d6378da1ba4cb56a079cdbc6c907edc6cfabaef528e2bdba7b5da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking alac v0.3.3
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking gnuplot v0.0.31
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking ogg v0.5.1
[INFO] [stderr]     Checking caf v0.1.0
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking lewton v0.7.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking dsp v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking audrey v0.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking pitch_calc v0.11.1
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.17s
[INFO] running `Command { std: "docker" "inspect" "5912a563c2d6378da1ba4cb56a079cdbc6c907edc6cfabaef528e2bdba7b5da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5912a563c2d6378da1ba4cb56a079cdbc6c907edc6cfabaef528e2bdba7b5da4", kill_on_drop: false }`
[INFO] [stdout] 5912a563c2d6378da1ba4cb56a079cdbc6c907edc6cfabaef528e2bdba7b5da4