[INFO] updating cached repository https://github.com/Kixunil/btc-rpc-proxy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5a219b7bca448d3cff007f67a29aee6bbdfc03c
[INFO] checking Kixunil/btc-rpc-proxy against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKixunil%2Fbtc-rpc-proxy" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kixunil/btc-rpc-proxy on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Kixunil/btc-rpc-proxy
[INFO] finished tweaking git repo https://github.com/Kixunil/btc-rpc-proxy
[INFO] tweaked toml for git repo https://github.com/Kixunil/btc-rpc-proxy written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Kixunil/btc-rpc-proxy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] 856d8085242f6e84681301480f9c7bf49cbc8795ae45df49e3febddc67f38036
[INFO] running `"docker" "start" "-a" "856d8085242f6e84681301480f9c7bf49cbc8795ae45df49e3febddc67f38036"`
[INFO] [stderr]    Compiling roff v0.1.0
[INFO] [stderr]    Compiling configure_me_codegen v0.3.12
[INFO] [stderr]    Compiling fmt2io v0.1.0
[INFO] [stderr]     Checking parse_arg v0.1.4
[INFO] [stderr]     Checking enum_future v0.1.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling man v0.1.1
[INFO] [stderr]     Checking slog-term v2.4.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking configure_me v0.3.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling cargo_toml v0.8.0
[INFO] [stderr]    Compiling btc_rpc_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "856d8085242f6e84681301480f9c7bf49cbc8795ae45df49e3febddc67f38036"`
[INFO] running `"docker" "rm" "-f" "856d8085242f6e84681301480f9c7bf49cbc8795ae45df49e3febddc67f38036"`
[INFO] [stdout] 856d8085242f6e84681301480f9c7bf49cbc8795ae45df49e3febddc67f38036