[INFO] crate wstcp 0.1.4 is already in cache
[INFO] checking wstcp-0.1.4 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate wstcp 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wstcp 0.1.4 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wstcp 0.1.4
[INFO] finished tweaking crates.io crate wstcp 0.1.4
[INFO] tweaked toml for crates.io crate wstcp 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 12b3e57aae96efb639eead960ac0dc44b1362fd9577a4e53ddddf5a178eb37cc
[INFO] running `"docker" "start" "-a" "12b3e57aae96efb639eead960ac0dc44b1362fd9577a4e53ddddf5a178eb37cc"`
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking slog-term v2.4.2
[INFO] [stderr]     Checking sloggers v0.2.9
[INFO] [stderr]     Checking httpcodec v0.2.3
[INFO] [stderr]     Checking wstcp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'derive_traits_for_trackable_error_newtype': please use `#[derive(TrackableError)]` instead
[INFO] [stderr]  --> src/error.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'derive_traits_for_trackable_error_newtype': please use `#[derive(TrackableError)]` instead
[INFO] [stderr]  --> src/error.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/channel.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let _ = unsafe { ws_stream.with_inner(|s| s.set_nodelay(true)) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channel.rs:107:37
[INFO] [stderr]     |
[INFO] [stderr] 107 | ...                   let _ = unsafe { stream.with_inner(|s| s.set_nodelay(true)) };
[INFO] [stderr]     |                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/channel.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let _ = unsafe { ws_stream.with_inner(|s| s.set_nodelay(true)) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/channel.rs:107:37
[INFO] [stderr]     |
[INFO] [stderr] 107 | ...                   let _ = unsafe { stream.with_inner(|s| s.set_nodelay(true)) };
[INFO] [stderr]     |                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.09s
[INFO] running `"docker" "inspect" "12b3e57aae96efb639eead960ac0dc44b1362fd9577a4e53ddddf5a178eb37cc"`
[INFO] running `"docker" "rm" "-f" "12b3e57aae96efb639eead960ac0dc44b1362fd9577a4e53ddddf5a178eb37cc"`
[INFO] [stdout] 12b3e57aae96efb639eead960ac0dc44b1362fd9577a4e53ddddf5a178eb37cc