[INFO] fetching crate multistochgrad 0.1.3...
[INFO] checking multistochgrad-0.1.3 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate multistochgrad 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate multistochgrad 0.1.3 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-2/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dca5fa1144f4cb0c2fb0f459d2da3192f6e032a6a96a1ea90fad790377ec5eb
[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" "8dca5fa1144f4cb0c2fb0f459d2da3192f6e032a6a96a1ea90fad790377ec5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dca5fa1144f4cb0c2fb0f459d2da3192f6e032a6a96a1ea90fad790377ec5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dca5fa1144f4cb0c2fb0f459d2da3192f6e032a6a96a1ea90fad790377ec5eb", kill_on_drop: false }`
[INFO] [stdout] 8dca5fa1144f4cb0c2fb0f459d2da3192f6e032a6a96a1ea90fad790377ec5eb
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01a21fed1944f790a7afa407726c91e6dfd7fda7962deb8cdeef2d91af472dc8
[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" "01a21fed1944f790a7afa407726c91e6dfd7fda7962deb8cdeef2d91af472dc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling nng-sys v1.1.1-rc.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking cpu-time v0.1.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking rand_distr v0.2.2
[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 nng v0.5.1
[INFO] [stderr]     Checking futures-util v0.3.4
[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 1m 07s
[INFO] running `Command { std: "docker" "inspect" "01a21fed1944f790a7afa407726c91e6dfd7fda7962deb8cdeef2d91af472dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a21fed1944f790a7afa407726c91e6dfd7fda7962deb8cdeef2d91af472dc8", kill_on_drop: false }`
[INFO] [stdout] 01a21fed1944f790a7afa407726c91e6dfd7fda7962deb8cdeef2d91af472dc8