[INFO] cloning repository https://github.com/marior765/LLRC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marior765/LLRC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarior765%2FLLRC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarior765%2FLLRC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 553087839483cd3caa28139fea069caecd274e98
[INFO] checking marior765/LLRC against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarior765%2FLLRC" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marior765/LLRC on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marior765/LLRC
[INFO] finished tweaking git repo https://github.com/marior765/LLRC
[INFO] tweaked toml for git repo https://github.com/marior765/LLRC written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/marior765/LLRC already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f43adf9ca70fbc1d7b336abaa4e59a34b4d6a68001513aa9f49a58c268ba7b31
[INFO] running `Command { std: "docker" "start" "-a" "f43adf9ca70fbc1d7b336abaa4e59a34b4d6a68001513aa9f49a58c268ba7b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f43adf9ca70fbc1d7b336abaa4e59a34b4d6a68001513aa9f49a58c268ba7b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43adf9ca70fbc1d7b336abaa4e59a34b4d6a68001513aa9f49a58c268ba7b31", kill_on_drop: false }`
[INFO] [stdout] f43adf9ca70fbc1d7b336abaa4e59a34b4d6a68001513aa9f49a58c268ba7b31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f94eb94cdfc98d0d5771e5d1bac15ae633331165f94a8755d8c02630dad93f0
[INFO] running `Command { std: "docker" "start" "-a" "1f94eb94cdfc98d0d5771e5d1bac15ae633331165f94a8755d8c02630dad93f0", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused imports: `copy`, `write_all`
[INFO] [stdout]  --> server/src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::{copy, write_all, read_exact};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> server/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         'server: loop {
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::TcpStream::try_clone`: use `split()` instead
[INFO] [stdout]   --> server/src/lib.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 clients.push(socket.try_clone().expect("failed to clone"));
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `copy`, `write_all`
[INFO] [stdout]  --> server/src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::io::{copy, write_all, read_exact};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> server/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         'server: loop {
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::net::TcpStream::try_clone`: use `split()` instead
[INFO] [stdout]   --> server/src/lib.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 clients.push(socket.try_clone().expect("failed to clone"));
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> server/src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let msg = buff.into_iter().take_while(|&x| x != 0).collect::<Vec<_>>();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> server/src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let msg = buff.into_iter().take_while(|&x| x != 0).collect::<Vec<_>>();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> server/src/lib.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     &client.set_nonblocking(true).expect("failed to initiate non-blocking");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> server/src/lib.rs:74:5
[INFO] [stdout]     |
[INFO] [stdout] 74  | /     TcpStream::from_std(client.try_clone().unwrap(), &handle).and_then(|stream| {
[INFO] [stdout] 75  | |         // thread::spawn(move || loop {
[INFO] [stdout] 76  | |             let mut buff = vec![0; MSG_SIZE];
[INFO] [stdout] 77  | |             read_exact(stream, &mut buff);
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         Ok(())
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> server/src/lib.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     &client.set_nonblocking(true).expect("failed to initiate non-blocking");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> server/src/lib.rs:74:5
[INFO] [stdout]     |
[INFO] [stdout] 74  | /     TcpStream::from_std(client.try_clone().unwrap(), &handle).and_then(|stream| {
[INFO] [stdout] 75  | |         // thread::spawn(move || loop {
[INFO] [stdout] 76  | |             let mut buff = vec![0; MSG_SIZE];
[INFO] [stdout] 77  | |             read_exact(stream, &mut buff);
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         Ok(())
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "1f94eb94cdfc98d0d5771e5d1bac15ae633331165f94a8755d8c02630dad93f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f94eb94cdfc98d0d5771e5d1bac15ae633331165f94a8755d8c02630dad93f0", kill_on_drop: false }`
[INFO] [stdout] 1f94eb94cdfc98d0d5771e5d1bac15ae633331165f94a8755d8c02630dad93f0