[INFO] cloning repository https://github.com/ranafge/rust-fearless-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ranafge/rust-fearless-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust-fearless-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust-fearless-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 517e8527775b946b0d1f3d1375928de9924b095a
[INFO] checking ranafge/rust-fearless-concurrency against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust-fearless-concurrency" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ranafge/rust-fearless-concurrency
[INFO] finished tweaking git repo https://github.com/ranafge/rust-fearless-concurrency
[INFO] tweaked toml for git repo https://github.com/ranafge/rust-fearless-concurrency written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ranafge/rust-fearless-concurrency on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ranafge/rust-fearless-concurrency 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_fearless_concurrency` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../rust_fearless_concurrency
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-fearless-concurrency`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "rust_fearless_concurrency"
[INFO] [stderr] 5 + name = "rust-fearless-concurrency"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rust-fearless-concurrency`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "rust-fearless-concurrency"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `rust_fearless_concurrency` (manifest) generated 1 warning
[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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084
[INFO] running `Command { std: "docker" "start" "4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084", 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" "4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_fearless_concurrency` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../rust_fearless_concurrency
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-fearless-concurrency`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "rust_fearless_concurrency"
[INFO] [stderr] 5 + name = "rust-fearless-concurrency"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rust-fearless-concurrency`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "rust-fearless-concurrency"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `rust_fearless_concurrency` (manifest) generated 1 warning
[INFO] [stderr]     Checking rust_fearless_concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> examples/share_state_concurrency.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{rc::Rc, sync::{Arc, Mutex}, thread, vec};
[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 variable: `rx`
[INFO] [stdout]  --> examples/thread_data_transfer.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let (tx, rx) = std::sync::mpsc::channel();
[INFO] [stdout]   |              ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `counter`
[INFO] [stdout]   --> examples/share_state_between_threads.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout]  6 |     let counter = Mutex::new(0);
[INFO] [stdout]    |         ------- move occurs because `counter` has type `std::sync::Mutex<i32>`, which does not implement the `Copy` trait
[INFO] [stdout]  7 |     let mut handles = vec![];
[INFO] [stdout]  8 |     for _ in 1..10 {
[INFO] [stdout]    |     -------------- inside of this loop
[INFO] [stdout]  9 |         // Counter value is moved here 
[INFO] [stdout] 10 |         let handle = thread::spawn(move  || {
[INFO] [stdout]    |                                    -------- value moved into closure here, in previous iteration of loop
[INFO] [stdout] ...
[INFO] [stdout] 20 |     println!("Result : {}", *counter.lock().unwrap() );
[INFO] [stdout]    |                              ^^^^^^^ value borrowed here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_fearless_concurrency` (example "share_state_between_threads") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084", kill_on_drop: false }`
[INFO] [stdout] 4789e99d7eac3b263e3a3861e084bd8de168589571ffc70979f51d0a6cb34084
