[INFO] fetching crate kcpserver 0.1.4...
[INFO] checking kcpserver-0.1.4 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate kcpserver 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kcpserver 0.1.4 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kcpserver 0.1.4
[INFO] finished tweaking crates.io crate kcpserver 0.1.4
[INFO] tweaked toml for crates.io crate kcpserver 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 489601fe580ea6f7acd85cd762bdb421a15fefe168059371f8d2d6a701e1fbc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "489601fe580ea6f7acd85cd762bdb421a15fefe168059371f8d2d6a701e1fbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "489601fe580ea6f7acd85cd762bdb421a15fefe168059371f8d2d6a701e1fbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489601fe580ea6f7acd85cd762bdb421a15fefe168059371f8d2d6a701e1fbc4", kill_on_drop: false }`
[INFO] [stdout] 489601fe580ea6f7acd85cd762bdb421a15fefe168059371f8d2d6a701e1fbc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b23cd77c4a22f50571ef78e0141f82286ada2d234370cac37567f1a2b45067
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16b23cd77c4a22f50571ef78e0141f82286ada2d234370cac37567f1a2b45067", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking udp_server v0.3.5
[INFO] [stderr]     Checking kcpserver v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `udp_server::UdpSend`
[INFO] [stdout]   --> src/kcp_module/kcp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use udp_server::UdpSend;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no `UdpSend` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `udp_server::UdpSend`
[INFO] [stdout]   --> src/kcp_module/kcp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use udp_server::UdpSend;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no `UdpSend` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/kcp_server/kcp_listener.rs:234:22
[INFO] [stdout]     |
[INFO] [stdout] 234 |            peer.send(&data).await?;
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      expected struct `Vec`, found `&Vec<u8>`
[INFO] [stdout]     |                      help: consider removing the borrow: `data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<u8>`
[INFO] [stdout]             found reference `&Vec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/kcp_server/kcp_listener.rs:234:22
[INFO] [stdout]     |
[INFO] [stdout] 234 |            peer.send(&data).await?;
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      expected struct `Vec`, found `&Vec<u8>`
[INFO] [stdout]     |                      help: consider removing the borrow: `data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<u8>`
[INFO] [stdout]             found reference `&Vec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/kcp_server/kcp_listener.rs:311:19
[INFO] [stdout]     |
[INFO] [stdout] 311 |         peer.send(&buff).await?;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected struct `Vec`, found `&BytesMut`
[INFO] [stdout]     |                   help: try using a conversion method: `(&buff).to_vec()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<u8>`
[INFO] [stdout]             found reference `&BytesMut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/kcp_server/kcp_listener.rs:311:19
[INFO] [stdout]     |
[INFO] [stdout] 311 |         peer.send(&buff).await?;
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected struct `Vec`, found `&BytesMut`
[INFO] [stdout]     |                   help: try using a conversion method: `(&buff).to_vec()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<u8>`
[INFO] [stdout]             found reference `&BytesMut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kcpserver`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "16b23cd77c4a22f50571ef78e0141f82286ada2d234370cac37567f1a2b45067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b23cd77c4a22f50571ef78e0141f82286ada2d234370cac37567f1a2b45067", kill_on_drop: false }`
[INFO] [stdout] 16b23cd77c4a22f50571ef78e0141f82286ada2d234370cac37567f1a2b45067