[INFO] cloning repository https://github.com/Darkeyes712/threads_and_channels_wrapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Darkeyes712/threads_and_channels_wrapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkeyes712%2Fthreads_and_channels_wrapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkeyes712%2Fthreads_and_channels_wrapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39bad448260a7a23759ced5e725d758bfc0535c5
[INFO] checking Darkeyes712/threads_and_channels_wrapper/39bad448260a7a23759ced5e725d758bfc0535c5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkeyes712%2Fthreads_and_channels_wrapper" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Darkeyes712/threads_and_channels_wrapper on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Darkeyes712/threads_and_channels_wrapper
[INFO] finished tweaking git repo https://github.com/Darkeyes712/threads_and_channels_wrapper
[INFO] tweaked toml for git repo https://github.com/Darkeyes712/threads_and_channels_wrapper written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Darkeyes712/threads_and_channels_wrapper 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e15e709b02b7f30e31e8748e35d2fb4c33b6b9be4f37897c64d96e7cb6996b
[INFO] running `Command { std: "docker" "start" "-a" "a0e15e709b02b7f30e31e8748e35d2fb4c33b6b9be4f37897c64d96e7cb6996b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e15e709b02b7f30e31e8748e35d2fb4c33b6b9be4f37897c64d96e7cb6996b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e15e709b02b7f30e31e8748e35d2fb4c33b6b9be4f37897c64d96e7cb6996b", kill_on_drop: false }`
[INFO] [stdout] a0e15e709b02b7f30e31e8748e35d2fb4c33b6b9be4f37897c64d96e7cb6996b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d939b5d9dfb6d6b1d8d4311ea6b0c186222a1e3ab15ea703977c4cc885d7777d
[INFO] running `Command { std: "docker" "start" "-a" "d939b5d9dfb6d6b1d8d4311ea6b0c186222a1e3ab15ea703977c4cc885d7777d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking threads_and_channels_wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `tx` is never read
[INFO] [stdout]   --> src/async_threads.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct AsyncProducerConsumer<T: Send + 'static> {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 10 |     /// Sender end of the channel. Useful for sending more messages in the future.
[INFO] [stdout] 11 |     tx: Sender<T>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProducerConsumer` is never constructed
[INFO] [stdout]  --> src/sync_threads.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ProducerConsumer<T: Send + 'static> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Produce` is never used
[INFO] [stdout]   --> src/sync_threads.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Produce<T: Send> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Consume` is never used
[INFO] [stdout]   --> src/sync_threads.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait Consume<T: Send> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `join_threads` and `new` are never used
[INFO] [stdout]   --> src/sync_threads.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T: Send + 'static> ProducerConsumer<T> {
[INFO] [stdout]    | ------------------------------------------- associated items in this implementation
[INFO] [stdout] 31 |     /// Waits for both the producer and consumer threads to finish their execution.
[INFO] [stdout] 32 |     pub fn join_threads(self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tx` is never read
[INFO] [stdout]   --> src/async_threads.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct AsyncProducerConsumer<T: Send + 'static> {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 10 |     /// Sender end of the channel. Useful for sending more messages in the future.
[INFO] [stdout] 11 |     tx: Sender<T>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProducerConsumer` is never constructed
[INFO] [stdout]  --> src/sync_threads.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ProducerConsumer<T: Send + 'static> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Produce` is never used
[INFO] [stdout]   --> src/sync_threads.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Produce<T: Send> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Consume` is never used
[INFO] [stdout]   --> src/sync_threads.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait Consume<T: Send> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `join_threads` and `new` are never used
[INFO] [stdout]   --> src/sync_threads.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T: Send + 'static> ProducerConsumer<T> {
[INFO] [stdout]    | ------------------------------------------- associated items in this implementation
[INFO] [stdout] 31 |     /// Waits for both the producer and consumer threads to finish their execution.
[INFO] [stdout] 32 |     pub fn join_threads(self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.21s
[INFO] running `Command { std: "docker" "inspect" "d939b5d9dfb6d6b1d8d4311ea6b0c186222a1e3ab15ea703977c4cc885d7777d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d939b5d9dfb6d6b1d8d4311ea6b0c186222a1e3ab15ea703977c4cc885d7777d", kill_on_drop: false }`
[INFO] [stdout] d939b5d9dfb6d6b1d8d4311ea6b0c186222a1e3ab15ea703977c4cc885d7777d