[INFO] updating cached repository https://github.com/connorwalsh/op
[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] 6a02283cbd4bf7184422c0925175f912bc57c171
[INFO] checking connorwalsh/op against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Fop" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorwalsh/op on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/connorwalsh/op
[INFO] finished tweaking git repo https://github.com/connorwalsh/op
[INFO] tweaked toml for git repo https://github.com/connorwalsh/op written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/connorwalsh/op already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2f064f084f0ab9b78a64cc9a5fac6f2708f785a99b92985d5b3f7b3e3b2026cf
[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" "2f064f084f0ab9b78a64cc9a5fac6f2708f785a99b92985d5b3f7b3e3b2026cf"`
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking op v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0252]: the name `io` is defined multiple times
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::io;
[INFO] [stderr]   |     --------- previous import of the module `io` here
[INFO] [stderr] ...
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^ `io` reimported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `io` must be defined only once in the type namespace of this module
[INFO] [stderr] help: you can use `as` to change the binding name of the import
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io as other_io;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mpsc`
[INFO] [stderr]   --> src/main.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let (tx, rx) = mpsc::channel();
[INFO] [stderr]    |                    ^^^^ use of undeclared type or module `mpsc`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stderr]   --> src/main.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 thread::spawn(move || {
[INFO] [stderr]    |                 ^^^^^^ use of undeclared type or module `thread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::send_to': use poll_send_to instead
[INFO] [stderr]   --> src/main.rs:34:34
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stderr]    |                                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0252]: the name `io` is defined multiple times
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::io;
[INFO] [stderr]   |     --------- previous import of the module `io` here
[INFO] [stderr] ...
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^ `io` reimported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `io` must be defined only once in the type namespace of this module
[INFO] [stderr] help: you can use `as` to change the binding name of the import
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io as other_io;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `mpsc`
[INFO] [stderr]   --> src/main.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let (tx, rx) = mpsc::channel();
[INFO] [stderr]    |                    ^^^^ use of undeclared type or module `mpsc`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stderr]   --> src/main.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 thread::spawn(move || {
[INFO] [stderr]    |                 ^^^^^^ use of undeclared type or module `thread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::send_to': use poll_send_to instead
[INFO] [stderr]   --> src/main.rs:34:34
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stderr]    |                                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::result::Result<usize, std::io::Error>: std::future::Future` is not satisfied
[INFO] [stderr]   --> src/main.rs:34:27
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::future::Future` is not implemented for `std::result::Result<usize, std::io::Error>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::result::Result<usize, std::io::Error>: std::future::Future` is not satisfied
[INFO] [stderr]   --> src/main.rs:34:27
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::future::Future` is not implemented for `std::result::Result<usize, std::io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::recv_from': use poll_recv_from instead
[INFO] [stderr]   --> src/main.rs:49:18
[INFO] [stderr]    |
[INFO] [stderr] 49 |     match socket.recv_from(&mut buf) {
[INFO] [stderr]    |                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::send_to': use poll_send_to instead
[INFO] [stderr]   --> src/main.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:56:44
[INFO] [stderr]    |
[INFO] [stderr] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr]    |                                            |
[INFO] [stderr]    |                                            expected `&std::net::SocketAddr`, found enum `std::net::SocketAddr`
[INFO] [stderr]    |                                            help: consider borrowing here: `&src`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::recv_from': use poll_recv_from instead
[INFO] [stderr]   --> src/main.rs:49:18
[INFO] [stderr]    |
[INFO] [stderr] 49 |     match socket.recv_from(&mut buf) {
[INFO] [stderr]    |                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::send_to': use poll_send_to instead
[INFO] [stderr]   --> src/main.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:56:44
[INFO] [stderr]    |
[INFO] [stderr] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr]    |                                            |
[INFO] [stderr]    |                                            expected `&std::net::SocketAddr`, found enum `std::net::SocketAddr`
[INFO] [stderr]    |                                            help: consider borrowing here: `&src`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:73:34
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let socket = UdpSocket::bind("0.0.0.0:3333").expect("failed to bind to host socket!");
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ expected enum `std::net::SocketAddr`, found `str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&std::net::SocketAddr`
[INFO] [stderr]               found reference `&'static str`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::recv_from': use poll_recv_from instead
[INFO] [stderr]   --> src/main.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |         match socket.recv_from(&mut buf) {
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0252, E0277, E0308, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0252`.
[INFO] [stderr] error: could not compile `op`.
[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] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:73:34
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let socket = UdpSocket::bind("0.0.0.0:3333").expect("failed to bind to host socket!");
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ expected enum `std::net::SocketAddr`, found `str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&std::net::SocketAddr`
[INFO] [stderr]               found reference `&'static str`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio::net::UdpSocket::recv_from': use poll_recv_from instead
[INFO] [stderr]   --> src/main.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |         match socket.recv_from(&mut buf) {
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0252, E0277, E0308, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0252`.
[INFO] [stderr] error: could not compile `op`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2f064f084f0ab9b78a64cc9a5fac6f2708f785a99b92985d5b3f7b3e3b2026cf"`
[INFO] running `"docker" "rm" "-f" "2f064f084f0ab9b78a64cc9a5fac6f2708f785a99b92985d5b3f7b3e3b2026cf"`
[INFO] [stdout] 2f064f084f0ab9b78a64cc9a5fac6f2708f785a99b92985d5b3f7b3e3b2026cf
