[INFO] fetching crate rustmann 0.3.0-beta.4...
[INFO] checking rustmann-0.3.0-beta.4 against beta-2019-10-27 for pr-65897
[INFO] extracting crate rustmann 0.3.0-beta.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustmann 0.3.0-beta.4 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 rustmann 0.3.0-beta.4
[INFO] finished tweaking crates.io crate rustmann 0.3.0-beta.4
[INFO] tweaked toml for crates.io crate rustmann 0.3.0-beta.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rustmann 0.3.0-beta.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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] c54ac5460d0cd4a862873d6ef2d296733b8c6aea4d45aeb4da52b2133478aef2
[INFO] running `"docker" "start" "-a" "c54ac5460d0cd4a862873d6ef2d296733b8c6aea4d45aeb4da52b2133478aef2"`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking protobuf v2.8.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling protoc-rust v2.8.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling rustmann v0.3.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking pin-project v0.4.3
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "c54ac5460d0cd4a862873d6ef2d296733b8c6aea4d45aeb4da52b2133478aef2"`
[INFO] running `"docker" "rm" "-f" "c54ac5460d0cd4a862873d6ef2d296733b8c6aea4d45aeb4da52b2133478aef2"`
[INFO] [stdout] c54ac5460d0cd4a862873d6ef2d296733b8c6aea4d45aeb4da52b2133478aef2