[INFO] cloning repository https://github.com/edgee1/multithreaded_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edgee1/multithreaded_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgee1%2Fmultithreaded_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgee1%2Fmultithreaded_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0266ece591500858f84a324a6b0d5c9790cb3d3e
[INFO] checking edgee1/multithreaded_server against try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgee1%2Fmultithreaded_server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/edgee1/multithreaded_server
[INFO] finished tweaking git repo https://github.com/edgee1/multithreaded_server
[INFO] tweaked toml for git repo https://github.com/edgee1/multithreaded_server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/edgee1/multithreaded_server on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/edgee1/multithreaded_server 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" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking edgee1/multithreaded_server against try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgee1%2Fmultithreaded_server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/edgee1/multithreaded_server
[INFO] finished tweaking git repo https://github.com/edgee1/multithreaded_server
[INFO] tweaked toml for git repo https://github.com/edgee1/multithreaded_server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/edgee1/multithreaded_server on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/edgee1/multithreaded_server 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" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e57fe2739536bb99449352730045d5b5b386556ea30ace6bbb8668fe36897f1a
[INFO] running `Command { std: "docker" "start" "-a" "e57fe2739536bb99449352730045d5b5b386556ea30ace6bbb8668fe36897f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57fe2739536bb99449352730045d5b5b386556ea30ace6bbb8668fe36897f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57fe2739536bb99449352730045d5b5b386556ea30ace6bbb8668fe36897f1a", kill_on_drop: false }`
[INFO] [stdout] e57fe2739536bb99449352730045d5b5b386556ea30ace6bbb8668fe36897f1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05def48aca7f4eb280395a8fa1a3a7a5860d67d9ddb0a0426149ad2f091f244
[INFO] running `Command { std: "docker" "start" "-a" "e05def48aca7f4eb280395a8fa1a3a7a5860d67d9ddb0a0426149ad2f091f244", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::Sender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::Sender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |         ThreadPool { workers, sender}
[INFO] [stdout]    |                               ^^^^^^ expected `Sender<Message>`, found `Sender<Box<dyn FnOnce() + Send>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::sync::mpsc::Sender<Message>`
[INFO] [stdout]               found struct `std::sync::mpsc::Sender<Box<(dyn FnOnce() + Send + 'static)>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |         ThreadPool { workers, sender}
[INFO] [stdout]    |                               ^^^^^^ expected `Sender<Message>`, found `Sender<Box<dyn FnOnce() + Send>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::sync::mpsc::Sender<Message>`
[INFO] [stdout]               found struct `std::sync::mpsc::Sender<Box<(dyn FnOnce() + Send + 'static)>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             self.sender.send(Message::Terminate)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Result<(), SendError<Message>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Result<(), SendError<Message>>`
[INFO] [stdout] help: consider using a semicolon here
[INFO] [stdout]    |
[INFO] [stdout] 58 |             self.sender.send(Message::Terminate);
[INFO] [stdout]    |                                                 +
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result<(), SendError<Message>>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 58 |             self.sender.send(Message::Terminate).expect("REASON")
[INFO] [stdout]    |                                                 +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             self.sender.send(Message::Terminate)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Result<(), SendError<Message>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Result<(), SendError<Message>>`
[INFO] [stdout] help: consider using a semicolon here
[INFO] [stdout]    |
[INFO] [stdout] 58 |             self.sender.send(Message::Terminate);
[INFO] [stdout]    |                                                 +
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Result<(), SendError<Message>>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout] 58 |             self.sender.send(Message::Terminate).expect("REASON")
[INFO] [stdout]    |                                                 +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             match message {
[INFO] [stdout]    |                   ------- this expression has type `Box<dyn FnOnce() + Send>`
[INFO] [stdout] 83 |                 Message::NewJob(job) => {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ expected `Box<dyn FnOnce() + Send>`, found `Message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<dyn FnOnce() + Send>`
[INFO] [stdout]                 found enum `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |             match message {
[INFO] [stdout]    |                   ------- this expression has type `Box<dyn FnOnce() + Send>`
[INFO] [stdout] 83 |                 Message::NewJob(job) => {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ expected `Box<dyn FnOnce() + Send>`, found `Message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<dyn FnOnce() + Send>`
[INFO] [stdout]                 found enum `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Terminate,
[INFO] [stdout]    |     --------- unit variant defined here
[INFO] [stdout] ...
[INFO] [stdout] 82 |             match message {
[INFO] [stdout]    |                   ------- this expression has type `Box<dyn FnOnce() + Send>`
[INFO] [stdout] ...
[INFO] [stdout] 88 |                 Message::Terminate => {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ expected `Box<dyn FnOnce() + Send>`, found `Message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<dyn FnOnce() + Send>`
[INFO] [stdout]                 found enum `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Terminate,
[INFO] [stdout]    |     --------- unit variant defined here
[INFO] [stdout] ...
[INFO] [stdout] 82 |             match message {
[INFO] [stdout]    |                   ------- this expression has type `Box<dyn FnOnce() + Send>`
[INFO] [stdout] ...
[INFO] [stdout] 88 |                 Message::Terminate => {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ expected `Box<dyn FnOnce() + Send>`, found `Message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Box<dyn FnOnce() + Send>`
[INFO] [stdout]                 found enum `Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e05def48aca7f4eb280395a8fa1a3a7a5860d67d9ddb0a0426149ad2f091f244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05def48aca7f4eb280395a8fa1a3a7a5860d67d9ddb0a0426149ad2f091f244", kill_on_drop: false }`
[INFO] [stdout] e05def48aca7f4eb280395a8fa1a3a7a5860d67d9ddb0a0426149ad2f091f244
