[INFO] crate scavenger 1.7.6 is already in cache
[INFO] checking scavenger-1.7.6 against beta-2019-10-27 for pr-65897
[INFO] extracting crate scavenger 1.7.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate scavenger 1.7.6 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scavenger 1.7.6
[INFO] finished tweaking crates.io crate scavenger 1.7.6
[INFO] tweaked toml for crates.io crate scavenger 1.7.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6a713beda9e29c8d51c0fb46880611394d786bb149bc4ca1c7743da5bd9f8bb
[INFO] running `"docker" "start" "-a" "a6a713beda9e29c8d51c0fb46880611394d786bb149bc4ca1c7743da5bd9f8bb"`
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling scavenger v1.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking core_affinity v0.5.9
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking aligned_alloc v0.1.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking tokio-rustls v0.10.2
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.97s
[INFO] running `"docker" "inspect" "a6a713beda9e29c8d51c0fb46880611394d786bb149bc4ca1c7743da5bd9f8bb"`
[INFO] running `"docker" "rm" "-f" "a6a713beda9e29c8d51c0fb46880611394d786bb149bc4ca1c7743da5bd9f8bb"`
[INFO] [stdout] a6a713beda9e29c8d51c0fb46880611394d786bb149bc4ca1c7743da5bd9f8bb