[INFO] updating cached repository https://github.com/fdeantoni/actix-ws-prost
[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] 6b97377605f960b8f10bda28d98ce10e51966580
[INFO] checking fdeantoni/actix-ws-prost against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdeantoni%2Factix-ws-prost" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fdeantoni/actix-ws-prost on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fdeantoni/actix-ws-prost
[INFO] finished tweaking git repo https://github.com/fdeantoni/actix-ws-prost
[INFO] tweaked toml for git repo https://github.com/fdeantoni/actix-ws-prost written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fdeantoni/actix-ws-prost already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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-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=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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 2301d89ea5200ebedc0d1f79729a8f7bda2264da304c9fc283b32f7997d31c9c
[INFO] running `"docker" "start" "-a" "2301d89ea5200ebedc0d1f79729a8f7bda2264da304c9fc283b32f7997d31c9c"`
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]    Compiling prost-build v0.5.0
[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 actix-rt v0.2.5
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking v_htmlescape v0.4.5
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking actix-http v0.2.10
[INFO] [stderr]    Compiling actix-ws-prost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking awc v0.2.7
[INFO] [stderr]     Checking actix v0.8.3
[INFO] [stderr]     Checking actix-web v1.0.8
[INFO] [stderr]     Checking actix-files v0.1.6
[INFO] [stderr]     Checking actix-web-actors v1.0.2
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `"docker" "inspect" "2301d89ea5200ebedc0d1f79729a8f7bda2264da304c9fc283b32f7997d31c9c"`
[INFO] running `"docker" "rm" "-f" "2301d89ea5200ebedc0d1f79729a8f7bda2264da304c9fc283b32f7997d31c9c"`
[INFO] [stdout] 2301d89ea5200ebedc0d1f79729a8f7bda2264da304c9fc283b32f7997d31c9c