[INFO] fetching crate stratum-server 0.9.38...
[INFO] checking stratum-server-0.9.38 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate stratum-server 0.9.38 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stratum-server 0.9.38 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stratum-server 0.9.38
[INFO] finished tweaking crates.io crate stratum-server 0.9.38
[INFO] tweaked toml for crates.io crate stratum-server 0.9.38 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f6f4ae59364585cd6382c21c256d6ca8bc95185823647b789ab89151f9f9cf1e
[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" "f6f4ae59364585cd6382c21c256d6ca8bc95185823647b789ab89151f9f9cf1e"`
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling serde_tuple v0.4.0
[INFO] [stderr]     Checking stratum-types v0.9.18
[INFO] [stderr]     Checking http-service v0.4.0
[INFO] [stderr]     Checking http-service-hyper v0.4.1
[INFO] [stderr]     Checking tide v0.5.1
[INFO] [stderr]     Checking stratum-server v0.9.38 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `StratumParams`
[INFO] [stderr]  --> src/miner_list.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | use stratum_types::traits::{StratumManager, StratumParams};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StratumParams`
[INFO] [stderr]  --> src/miner_list.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | use stratum_types::traits::{StratumManager, StratumParams};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.12s
[INFO] running `"docker" "inspect" "f6f4ae59364585cd6382c21c256d6ca8bc95185823647b789ab89151f9f9cf1e"`
[INFO] running `"docker" "rm" "-f" "f6f4ae59364585cd6382c21c256d6ca8bc95185823647b789ab89151f9f9cf1e"`
[INFO] [stdout] f6f4ae59364585cd6382c21c256d6ca8bc95185823647b789ab89151f9f9cf1e