[INFO] cloning repository https://github.com/connorwalsh/op
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connorwalsh/op" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Fop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Fop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a02283cbd4bf7184422c0925175f912bc57c171
[INFO] checking connorwalsh/op against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwalsh%2Fop" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorwalsh/op on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/connorwalsh/op already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rosc v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca4e95a6ba268d8a6a0dcfccea365b5bc9e020ea2f5315c43b88c41d363c2e86
[INFO] running `Command { std: "docker" "start" "-a" "ca4e95a6ba268d8a6a0dcfccea365b5bc9e020ea2f5315c43b88c41d363c2e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4e95a6ba268d8a6a0dcfccea365b5bc9e020ea2f5315c43b88c41d363c2e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4e95a6ba268d8a6a0dcfccea365b5bc9e020ea2f5315c43b88c41d363c2e86", kill_on_drop: false }`
[INFO] [stdout] ca4e95a6ba268d8a6a0dcfccea365b5bc9e020ea2f5315c43b88c41d363c2e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7428aa789db19571db3295d701d0fe532923e1d4fc57e6b38cc24a02b8d15d41
[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" "7428aa789db19571db3295d701d0fe532923e1d4fc57e6b38cc24a02b8d15d41", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking byteorder v1.3.2
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.7
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rosc v0.1.6
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking op v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0252]: the name `io` is defined multiple times
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io;
[INFO] [stdout]   |     --------- previous import of the module `io` here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^ `io` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `io` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io as other_io;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `mpsc`
[INFO] [stdout]   --> src/main.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let (tx, rx) = mpsc::channel();
[INFO] [stdout]    |                    ^^^^ use of undeclared type or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stdout]   --> src/main.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^^ use of undeclared type or module `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0252]: the name `io` is defined multiple times
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io;
[INFO] [stdout]   |     --------- previous import of the module `io` here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^ `io` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `io` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io as other_io;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::send_to`: use poll_send_to instead
[INFO] [stdout]   --> src/main.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `mpsc`
[INFO] [stdout]   --> src/main.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let (tx, rx) = mpsc::channel();
[INFO] [stdout]    |                    ^^^^ use of undeclared type or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stdout]   --> src/main.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^^ use of undeclared type or module `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::send_to`: use poll_send_to instead
[INFO] [stdout]   --> src/main.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::result::Result<usize, std::io::Error>` is not a future
[INFO] [stdout]   --> src/main.rs:34:27
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `std::result::Result<usize, std::io::Error>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::future::Future` is not implemented for `std::result::Result<usize, std::io::Error>`
[INFO] [stdout]    = note: required by `std::future::Future::poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `std::result::Result<usize, std::io::Error>` is not a future
[INFO] [stdout]   --> src/main.rs:34:27
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let amt = socket.send_to(&buf[..size], &peer).await?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `std::result::Result<usize, std::io::Error>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::future::Future` is not implemented for `std::result::Result<usize, std::io::Error>`
[INFO] [stdout]    = note: required by `std::future::Future::poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::recv_from`: use poll_recv_from instead
[INFO] [stdout]   --> src/main.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     match socket.recv_from(&mut buf) {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::send_to`: use poll_send_to instead
[INFO] [stdout]   --> src/main.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:56:44
[INFO] [stdout]    |
[INFO] [stdout] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            expected `&std::net::SocketAddr`, found enum `std::net::SocketAddr`
[INFO] [stdout]    |                                            help: consider borrowing here: `&src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::recv_from`: use poll_recv_from instead
[INFO] [stdout]   --> src/main.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     match socket.recv_from(&mut buf) {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::send_to`: use poll_send_to instead
[INFO] [stdout]   --> src/main.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:56:44
[INFO] [stdout]    |
[INFO] [stdout] 56 |             match socket.send_to(&ack_msg, src) {
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            expected `&std::net::SocketAddr`, found enum `std::net::SocketAddr`
[INFO] [stdout]    |                                            help: consider borrowing here: `&src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let socket = UdpSocket::bind("0.0.0.0:3333").expect("failed to bind to host socket!");
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ expected enum `std::net::SocketAddr`, found `str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&std::net::SocketAddr`
[INFO] [stdout]               found reference `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let socket = UdpSocket::bind("0.0.0.0:3333").expect("failed to bind to host socket!");
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ expected enum `std::net::SocketAddr`, found `str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&std::net::SocketAddr`
[INFO] [stdout]               found reference `&'static str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::recv_from`: use poll_recv_from instead
[INFO] [stdout]   --> src/main.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |         match socket.recv_from(&mut buf) {
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::UdpSocket::recv_from`: use poll_recv_from instead
[INFO] [stdout]   --> src/main.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |         match socket.recv_from(&mut buf) {
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0252, E0277, E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0252`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0252, E0277, E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0252`.
[INFO] [stdout] 
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "7428aa789db19571db3295d701d0fe532923e1d4fc57e6b38cc24a02b8d15d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7428aa789db19571db3295d701d0fe532923e1d4fc57e6b38cc24a02b8d15d41", kill_on_drop: false }`
[INFO] [stdout] 7428aa789db19571db3295d701d0fe532923e1d4fc57e6b38cc24a02b8d15d41
