[INFO] updating cached repository https://github.com/sleipnir/sw-episode-iv-client [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] a74f77f84fce4caa7395df7ae23782599c514dd8 [INFO] checking sleipnir/sw-episode-iv-client against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleipnir%2Fsw-episode-iv-client" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sleipnir/sw-episode-iv-client on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sleipnir/sw-episode-iv-client [INFO] finished tweaking git repo https://github.com/sleipnir/sw-episode-iv-client [INFO] tweaked toml for git repo https://github.com/sleipnir/sw-episode-iv-client written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/sleipnir/sw-episode-iv-client already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] ff2e796566e9c6883c186c79904823ed010f14a595dda698ac44b86c656f3510 [INFO] running `"docker" "start" "-a" "ff2e796566e9c6883c186c79904823ed010f14a595dda698ac44b86c656f3510"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking arc-swap v0.3.7 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand_os v0.1.0 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking resolv-conf v0.6.1 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking signal-hook v0.1.7 [INFO] [stderr] Checking lru-cache v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.3 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking crossbeam-channel v0.3.6 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking trust-dns-proto v0.6.1 [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Checking trust-dns-resolver v0.10.2 [INFO] [stderr] Checking actix v0.7.9 [INFO] [stderr] Checking sw-episode-iv v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/actors/client.rs:31:29 [INFO] [stderr] | [INFO] [stderr] 31 | let (r, w) = stream.split(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_w` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w` [INFO] [stderr] --> src/actors/client.rs:31:29 [INFO] [stderr] | [INFO] [stderr] 31 | let (r, w) = stream.split(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_w` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.15s [INFO] running `"docker" "inspect" "ff2e796566e9c6883c186c79904823ed010f14a595dda698ac44b86c656f3510"` [INFO] running `"docker" "rm" "-f" "ff2e796566e9c6883c186c79904823ed010f14a595dda698ac44b86c656f3510"` [INFO] [stdout] ff2e796566e9c6883c186c79904823ed010f14a595dda698ac44b86c656f3510