[INFO] cloning repository https://github.com/IsaacLatta/chatroom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IsaacLatta/chatroom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacLatta%2Fchatroom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacLatta%2Fchatroom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0059a67cd2b83d5ceb79b932704f7fde32143b3
[INFO] fixing IsaacLatta/chatroom against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacLatta%2Fchatroom" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IsaacLatta/chatroom
[INFO] finished tweaking git repo https://github.com/IsaacLatta/chatroom
[INFO] tweaked toml for git repo https://github.com/IsaacLatta/chatroom written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IsaacLatta/chatroom on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/IsaacLatta/chatroom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181
[INFO] running `Command { std: "docker" "start" "fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking chatroom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/server.rs:54:17
[INFO] [stdout]     |
[INFO] [stdout]  54 |          return poll_loop(receiver);
[INFO] [stdout]     |                 ^^^^^^^^^---------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/server.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn poll_loop<MessageCallback>(receiver: Receiver<(net::TcpStream, net::SocketAddr)>, mut on_message_ready: MessageCallback) -> io::...
[INFO] [stdout]     |    ^^^^^^^^^                                                                         -------------------------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout]  54 |          return poll_loop(receiver, /* on_message_ready */);
[INFO] [stdout]     |                                   ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/server.rs:54:17
[INFO] [stdout]     |
[INFO] [stdout]  54 |          return poll_loop(receiver);
[INFO] [stdout]     |                 ^^^^^^^^^---------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/server.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn poll_loop<MessageCallback>(receiver: Receiver<(net::TcpStream, net::SocketAddr)>, mut on_message_ready: MessageCallback) -> io::...
[INFO] [stdout]     |    ^^^^^^^^^                                                                         -------------------------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout]  54 |          return poll_loop(receiver, /* on_message_ready */);
[INFO] [stdout]     |                                   ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/server.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn message_ready(buffer: & Vec<u8>) -> bool {
[INFO] [stdout]     |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/server.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn message_ready(buffer: & Vec<u8>) -> bool {
[INFO] [stdout]     |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/server.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/server.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/server.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn is_fatal(error: io::ErrorKind) -> bool {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/server.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/server.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/server.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn is_fatal(error: io::ErrorKind) -> bool {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chatroom` (bin "chatroom" test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chatroom` (bin "chatroom") due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181", kill_on_drop: false }`
[INFO] [stdout] fe5e52a5cfbb328e789d673ca295c96e3c6d7ba937950d2c3f45efeec417d181
