[INFO] crate ert 0.2.0 is already in cache
[INFO] checking ert-0.2.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate ert 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ert 0.2.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ert 0.2.0
[INFO] finished tweaking crates.io crate ert 0.2.0
[INFO] tweaked toml for crates.io crate ert 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ert 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dbd55f46666209f5aee55877dfee5417895677efdd2159c0ef8f44c9e8e2f159
[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" "dbd55f46666209f5aee55877dfee5417895677efdd2159c0ef8f44c9e8e2f159"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking ert v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/router.rs:30:56
[INFO] [stderr]    |
[INFO] [stderr] 30 |     static ref GLOBAL_ROUTER: RwLock<Option<Router>> = { RwLock::new(None) };
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/router.rs:30:56
[INFO] [stderr]    |
[INFO] [stderr] 30 |     static ref GLOBAL_ROUTER: RwLock<Option<Router>> = { RwLock::new(None) };
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.38s
[INFO] running `"docker" "inspect" "dbd55f46666209f5aee55877dfee5417895677efdd2159c0ef8f44c9e8e2f159"`
[INFO] running `"docker" "rm" "-f" "dbd55f46666209f5aee55877dfee5417895677efdd2159c0ef8f44c9e8e2f159"`
[INFO] [stdout] dbd55f46666209f5aee55877dfee5417895677efdd2159c0ef8f44c9e8e2f159