[INFO] fetching crate topgrade 3.2.0...
[INFO] checking topgrade-3.2.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate topgrade 3.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate topgrade 3.2.0 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 topgrade 3.2.0
[INFO] finished tweaking crates.io crate topgrade 3.2.0
[INFO] tweaked toml for crates.io crate topgrade 3.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate topgrade 3.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 50b545ec3c995e811915931c9a271d14510ae6c4f28b4f8d19d9e9bf0eb92262
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "50b545ec3c995e811915931c9a271d14510ae6c4f28b4f8d19d9e9bf0eb92262"`
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking console v0.9.0
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking topgrade v3.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.74s
[INFO] running `"docker" "inspect" "50b545ec3c995e811915931c9a271d14510ae6c4f28b4f8d19d9e9bf0eb92262"`
[INFO] running `"docker" "rm" "-f" "50b545ec3c995e811915931c9a271d14510ae6c4f28b4f8d19d9e9bf0eb92262"`
[INFO] [stdout] 50b545ec3c995e811915931c9a271d14510ae6c4f28b4f8d19d9e9bf0eb92262