[INFO] fetching crate multistochgrad 0.1.3...
[INFO] checking multistochgrad-0.1.3 against beta for pr-78714
[INFO] extracting crate multistochgrad 0.1.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate multistochgrad 0.1.3 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 multistochgrad 0.1.3
[INFO] finished tweaking crates.io crate multistochgrad 0.1.3
[INFO] tweaked toml for crates.io crate multistochgrad 0.1.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate multistochgrad 0.1.3 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 52f1d972d7877462fd72bd257e2e86d27024e28874fd05e26a7c5f08ee46127e
[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" "52f1d972d7877462fd72bd257e2e86d27024e28874fd05e26a7c5f08ee46127e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f1d972d7877462fd72bd257e2e86d27024e28874fd05e26a7c5f08ee46127e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f1d972d7877462fd72bd257e2e86d27024e28874fd05e26a7c5f08ee46127e", kill_on_drop: false }`
[INFO] [stdout] 52f1d972d7877462fd72bd257e2e86d27024e28874fd05e26a7c5f08ee46127e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] bde6c0a5d57015798fd6dc1d3a1c35d0a7b9918f1b34e4309e991215a9d70c33
[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" "bde6c0a5d57015798fd6dc1d3a1c35d0a7b9918f1b34e4309e991215a9d70c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking cpu-time v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling nng-sys v1.1.1-rc.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking nng v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking multistochgrad v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.97s
[INFO] running `Command { std: "docker" "inspect" "bde6c0a5d57015798fd6dc1d3a1c35d0a7b9918f1b34e4309e991215a9d70c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde6c0a5d57015798fd6dc1d3a1c35d0a7b9918f1b34e4309e991215a9d70c33", kill_on_drop: false }`
[INFO] [stdout] bde6c0a5d57015798fd6dc1d3a1c35d0a7b9918f1b34e4309e991215a9d70c33