[INFO] cloning repository https://github.com/chinaxxren/learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chinaxxren/learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d038113de5992f0338a1f95318a9787522def3c
[INFO] testing chinaxxren/learning against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chinaxxren/learning on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chinaxxren/learning
[INFO] finished tweaking git repo https://github.com/chinaxxren/learning
[INFO] tweaked toml for git repo https://github.com/chinaxxren/learning written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chinaxxren/learning 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" "+1.86.0" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4edff13eaddf995a59b6fff896234f35c253243e91e4f30259bd91afd45b127d
[INFO] running `Command { std: "docker" "start" "-a" "4edff13eaddf995a59b6fff896234f35c253243e91e4f30259bd91afd45b127d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4edff13eaddf995a59b6fff896234f35c253243e91e4f30259bd91afd45b127d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edff13eaddf995a59b6fff896234f35c253243e91e4f30259bd91afd45b127d", kill_on_drop: false }`
[INFO] [stdout] 4edff13eaddf995a59b6fff896234f35c253243e91e4f30259bd91afd45b127d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82efb5875bb34fd7d1ec811a6479adf3646fcaf45c0b047bae185f988226cb3c
[INFO] running `Command { std: "docker" "start" "-a" "82efb5875bb34fd7d1ec811a6479adf3646fcaf45c0b047bae185f988226cb3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bytes v1.8.0
[INFO] [stderr]    Compiling rust_lib v0.1.0 (/opt/rustwide/workdir/rust-lib)
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling rustix v0.38.39
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-lite v2.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling value-bag v1.10.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling rust-thread v0.1.0 (/opt/rustwide/workdir/rust-thread)
[INFO] [stderr]    Compiling rust-channel v0.1.0 (/opt/rustwide/workdir/rust-channel)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> rust-thread/src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 58 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stdout] warning: method `try_recv` is never used
[INFO] [stdout]   --> rust-channel/src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Receiver<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn try_recv(&self) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v3.7.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-io v2.3.4
[INFO] [stderr]    Compiling tokio v1.41.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-std v1.13.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir/rust-demo)
[INFO] [stderr]    Compiling rust_async v0.1.0 (/opt/rustwide/workdir/rust-async)
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]  --> rust-async/src/demo/2_await.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::time::{sleep, Duration};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> rust-async/src/other/selectables.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_executor_and_spawner`
[INFO] [stdout]   --> rust-async/src/other/main.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::executor::{new_executor_and_spawner};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pin_utils::pin_mut`
[INFO] [stdout]   --> rust-async/src/other/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use pin_utils::pin_mut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rust-demo/mem/3_take_replace.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut next = node.take_next();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rust-async/src/other/concurrent_iter.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     mut stream: Pin<&mut dyn Stream<Item = Result<u8, io::Error>>>,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> rust-demo/mem/4_forget.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |  struct NeedCleanup {
[INFO] [stdout]   |         ----------- field in this struct
[INFO] [stdout] 5 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> rust-demo/mem/11_unlock.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> rust-demo/mem/11_unlock.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]  --> rust-demo/mem/11_unlock.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::JoinHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> rust-demo/mem/11_unlock.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Node<T> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     value: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]   --> rust-async/src/other/main.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::{channel::mpsc, stream::StreamExt, FutureExt};
[INFO] [stdout]    |                                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `a` and `b` are never used
[INFO] [stdout]   --> rust-async/src/demo/9_test_pin.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Test {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn a(self: Pin<&Self>) -> &str {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn b(self: Pin<&Self>) -> &String {
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Final` is never constructed
[INFO] [stdout]  --> rust-demo/mem/9_state.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum State {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Final,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> rust-demo/mem/9_state.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct StateMachine {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 11 |     state: State,
[INFO] [stdout] 12 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.39s
[INFO] running `Command { std: "docker" "inspect" "82efb5875bb34fd7d1ec811a6479adf3646fcaf45c0b047bae185f988226cb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82efb5875bb34fd7d1ec811a6479adf3646fcaf45c0b047bae185f988226cb3c", kill_on_drop: false }`
[INFO] [stdout] 82efb5875bb34fd7d1ec811a6479adf3646fcaf45c0b047bae185f988226cb3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f23a3e3212c3379df4432756a715ea642446b333c9d508db262136430ae0a9e5
[INFO] running `Command { std: "docker" "start" "-a" "f23a3e3212c3379df4432756a715ea642446b333c9d508db262136430ae0a9e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_lib v0.1.0 (/opt/rustwide/workdir/rust-lib)
[INFO] [stderr]    Compiling rust-thread v0.1.0 (/opt/rustwide/workdir/rust-thread)
[INFO] [stderr]    Compiling rust-channel v0.1.0 (/opt/rustwide/workdir/rust-channel)
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir/rust-demo)
[INFO] [stderr]    Compiling rust_async v0.1.0 (/opt/rustwide/workdir/rust-async)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> rust-demo/mem/11_unlock.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> rust-demo/mem/11_unlock.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]  --> rust-demo/mem/11_unlock.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::JoinHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> rust-demo/mem/11_unlock.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Node<T> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     value: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_recv` is never used
[INFO] [stdout]   --> rust-channel/src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Receiver<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn try_recv(&self) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> rust-thread/src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 58 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rust-demo/mem/3_take_replace.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut next = node.take_next();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> rust-async/src/example/delay.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | async fn main() {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx1`
[INFO] [stdout]   --> rust-async/src/example/my_select.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let (tx1, rx1) = oneshot::channel();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_tx1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx2`
[INFO] [stdout]   --> rust-async/src/example/my_select.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (tx2, rx2) = oneshot::channel();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_tx2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> rust-async/src/other/selectables.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_executor_and_spawner`
[INFO] [stdout]   --> rust-async/src/other/main.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::executor::{new_executor_and_spawner};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pin_utils::pin_mut`
[INFO] [stdout]   --> rust-async/src/other/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use pin_utils::pin_mut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]  --> rust-async/src/demo/2_await.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::time::{sleep, Duration};
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rust-async/src/other/concurrent_iter.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     mut stream: Pin<&mut dyn Stream<Item = Result<u8, io::Error>>>,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `a` and `b` are never used
[INFO] [stdout]   --> rust-async/src/demo/9_test_pin.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Test {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn a(self: Pin<&Self>) -> &str {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn b(self: Pin<&Self>) -> &String {
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]   --> rust-async/src/other/main.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::{channel::mpsc, stream::StreamExt, FutureExt};
[INFO] [stdout]    |                                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Final` is never constructed
[INFO] [stdout]  --> rust-demo/mem/9_state.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum State {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Final,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> rust-demo/mem/9_state.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct StateMachine {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 11 |     state: State,
[INFO] [stdout] 12 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> rust-demo/mem/4_forget.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |  struct NeedCleanup {
[INFO] [stdout]   |         ----------- field in this struct
[INFO] [stdout] 5 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "f23a3e3212c3379df4432756a715ea642446b333c9d508db262136430ae0a9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23a3e3212c3379df4432756a715ea642446b333c9d508db262136430ae0a9e5", kill_on_drop: false }`
[INFO] [stdout] f23a3e3212c3379df4432756a715ea642446b333c9d508db262136430ae0a9e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6cf233c09161b76f183909e7c6176f33eadddaa5d634d87dec2c17b716a377c
[INFO] running `Command { std: "docker" "start" "-a" "f6cf233c09161b76f183909e7c6176f33eadddaa5d634d87dec2c17b716a377c", kill_on_drop: false }`
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> rust-thread/src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | struct Worker {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 58 |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `try_recv` is never used
[INFO] [stderr]   --> rust-channel/src/main.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> Receiver<T> {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn try_recv(&self) -> Option<T> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-thread` (bin "rust-thread" test) generated 1 warning
[INFO] [stderr] warning: `rust-channel` (bin "rust-channel" test) generated 1 warning
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> rust-demo/mem/11_unlock.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> rust-demo/mem/11_unlock.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::JoinHandle`
[INFO] [stderr]  --> rust-demo/mem/11_unlock.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::JoinHandle;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> rust-demo/mem/11_unlock.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Node<T> {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 19 |     value: T,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `data` is never read
[INFO] [stderr]  --> rust-demo/mem/4_forget.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |  struct NeedCleanup {
[INFO] [stderr]   |         ----------- field in this struct
[INFO] [stderr] 5 |     data: Vec<u8>,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_demo` (bin "11_unlock" test) generated 4 warnings (run `cargo fix --bin "11_unlock" --tests` to apply 3 suggestions)
[INFO] [stderr] warning: `rust_demo` (bin "4_forget" test) generated 1 warning
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> rust-demo/mem/3_take_replace.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut next = node.take_next();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Final` is never constructed
[INFO] [stderr]  --> rust-demo/mem/9_state.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum State {
[INFO] [stderr]   |      ----- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 6 |     Final,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `data` is never read
[INFO] [stderr]   --> rust-demo/mem/9_state.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct StateMachine {
[INFO] [stderr]    |        ------------ field in this struct
[INFO] [stderr] 11 |     state: State,
[INFO] [stderr] 12 |     data: Vec<u8>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_demo` (bin "3_take_replace" test) generated 1 warning (run `cargo fix --bin "3_take_replace" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rust_demo` (bin "9_state" test) generated 2 warnings
[INFO] [stderr] warning: unused variable: `tx1`
[INFO] [stderr]   --> rust-async/src/example/my_select.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let (tx1, rx1) = oneshot::channel();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_tx1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx2`
[INFO] [stderr]   --> rust-async/src/example/my_select.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let (tx2, rx2) = oneshot::channel();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_tx2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> rust-async/src/example/delay.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | async fn main() {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration` and `sleep`
[INFO] [stderr]  --> rust-async/src/demo/2_await.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tokio::time::{sleep, Duration};
[INFO] [stderr]   |                   ^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `a` and `b` are never used
[INFO] [stderr]   --> rust-async/src/demo/9_test_pin.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Test {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn a(self: Pin<&Self>) -> &str {
[INFO] [stderr]    |        ^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     fn b(self: Pin<&Self>) -> &String {
[INFO] [stderr]    |        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_async` (example "my_select") generated 2 warnings
[INFO] [stderr] warning: `rust_async` (example "mini_tokio") generated 1 warning
[INFO] [stderr] warning: `rust_async` (bin "2_await" test) generated 1 warning (run `cargo fix --bin "2_await" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rust_async` (bin "9_test_pin" test) generated 1 warning
[INFO] [stderr] warning: unused import: `core::panic`
[INFO] [stderr]  --> rust-async/src/other/selectables.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::panic;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `new_executor_and_spawner`
[INFO] [stderr]   --> rust-async/src/other/main.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::executor::{new_executor_and_spawner};
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pin_utils::pin_mut`
[INFO] [stderr]   --> rust-async/src/other/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use pin_utils::pin_mut;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> rust-async/src/other/concurrent_iter.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mut stream: Pin<&mut dyn Stream<Item = Result<u8, io::Error>>>,
[INFO] [stderr]    |     ----^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FutureExt`
[INFO] [stderr]   --> rust-async/src/other/main.rs:26:49
[INFO] [stderr]    |
[INFO] [stderr] 26 | use futures::{channel::mpsc, stream::StreamExt, FutureExt};
[INFO] [stderr]    |                                                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_async` (bin "other" test) generated 5 warnings (run `cargo fix --bin "other" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_channel-a6419bbc2ce7e22c)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_thread-218bcabddfc419ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/1_hello.rs (/opt/rustwide/target/debug/deps/1_hello-5da01123fc146e74)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/demo/2_await.rs (/opt/rustwide/target/debug/deps/2_await-d7d381a0db41e092)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/3_await_sleep.rs (/opt/rustwide/target/debug/deps/3_await_sleep-4ca81c7ca5ca9b66)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/4_learn.rs (/opt/rustwide/target/debug/deps/4_learn-b6f39cb71fbea737)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/5_simple_future.rs (/opt/rustwide/target/debug/deps/5_simple_future-6abb5782aa7f1f2e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/6_time_future.rs (/opt/rustwide/target/debug/deps/6_time_future-ec7c0765c633bcee)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/demo/7_test.rs (/opt/rustwide/target/debug/deps/7_test-0f0371c34c2a4c4c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/8_test_swap.rs (/opt/rustwide/target/debug/deps/8_test_swap-fd7c9e76089b1e1b)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/9_test_pin.rs (/opt/rustwide/target/debug/deps/9_test_pin-d4ee96a4008eb8e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/other/main.rs (/opt/rustwide/target/debug/deps/other-a14dbc4339c4163a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/tokio_select.rs (/opt/rustwide/target/debug/deps/tokio_select-a69d506a833a788a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/tokio_token.rs (/opt/rustwide/target/debug/deps/tokio_token-eccfa4d320e54e20)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/10_pool.rs (/opt/rustwide/target/debug/deps/10_pool-52e344e1c8ea4dee)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/11_unlock.rs (/opt/rustwide/target/debug/deps/11_unlock-167ee076eca196a6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/1_base.rs (/opt/rustwide/target/debug/deps/1_base-6fc01712eb865a1b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests file/1_buffer.rs (/opt/rustwide/target/debug/deps/1_buffer-79e4425b0090a5e4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/2_swap.rs (/opt/rustwide/target/debug/deps/2_swap-e3b042f637cf0177)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests file/2_visit_dirs.rs (/opt/rustwide/target/debug/deps/2_visit_dirs-4be066e559204a25)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests file/3_monitor.rs (/opt/rustwide/target/debug/deps/3_monitor-733e647f889431fc)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/3_take_replace.rs (/opt/rustwide/target/debug/deps/3_take_replace-6c3d33e06894fa89)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/4_forget.rs (/opt/rustwide/target/debug/deps/4_forget-4b5ccb90ca6d967e)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests file/4_replace.rs (/opt/rustwide/target/debug/deps/4_replace-b67e58f76793357a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests file/5_batch.rs (/opt/rustwide/target/debug/deps/5_batch-8c95b351c5d7079c)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests mem/5_transmute.rs (/opt/rustwide/target/debug/deps/5_transmute-e128caec21c2563f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/6_zero_cost.rs (/opt/rustwide/target/debug/deps/6_zero_cost-99f332378f58e92c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/7_align.rs (/opt/rustwide/target/debug/deps/7_align-b10d468501f240fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/8_smart_replace.rs (/opt/rustwide/target/debug/deps/8_smart_replace-cfa2ced1692a5239)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests mem/9_state.rs (/opt/rustwide/target/debug/deps/9_state-4bb8a00e21ab1333)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests trait/base.rs (/opt/rustwide/target/debug/deps/base-21a88cac25eb906c)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests trait/callback.rs (/opt/rustwide/target/debug/deps/callback-33cd3a1a4ca2965c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests net/chat_server.rs (/opt/rustwide/target/debug/deps/chat_server-e3e168d0c644866d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests trait/object.rs (/opt/rustwide/target/debug/deps/object-311fc67a7ac93aa2)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_demo-ad590fa7e32fdd59)
[INFO] [stderr]      Running unittests trait/sized.rs (/opt/rustwide/target/debug/deps/sized-6f9324c12c7d0440)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests trait/transmute.rs (/opt/rustwide/target/debug/deps/transmute-e60e0f76d8be5ce4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_lib-b5fa5495d84a7d7d)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main1.rs (/opt/rustwide/target/debug/deps/main1-868701509597df05)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main2.rs (/opt/rustwide/target/debug/deps/main2-0b195b5b48b1a553)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/main3.rs (/opt/rustwide/target/debug/deps/main3-66167f2f255e36d6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demo/main4.rs (/opt/rustwide/target/debug/deps/main4-1afd00a01eabe46e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_lib
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6cf233c09161b76f183909e7c6176f33eadddaa5d634d87dec2c17b716a377c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cf233c09161b76f183909e7c6176f33eadddaa5d634d87dec2c17b716a377c", kill_on_drop: false }`
[INFO] [stdout] f6cf233c09161b76f183909e7c6176f33eadddaa5d634d87dec2c17b716a377c