[INFO] cloning repository https://github.com/Tonyce/neon-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tonyce/neon-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyce%2Fneon-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyce%2Fneon-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f0594ef075a811a6177c1ada8b3506e0ceb8d9a
[INFO] checking Tonyce/neon-example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyce%2Fneon-example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tonyce/neon-example on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tonyce/neon-example
[INFO] finished tweaking git repo https://github.com/Tonyce/neon-example
[INFO] tweaked toml for git repo https://github.com/Tonyce/neon-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Tonyce/neon-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded neon-macros v0.9.0
[INFO] [stderr]   Downloaded neon v0.9.0
[INFO] [stderr]   Downloaded neon-runtime v0.9.0
[INFO] [stderr]   Downloaded neon-build v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82ad558d70fca7558e85b914acdb19e12540cc824d6886bf399ba647c70deb70
[INFO] running `Command { std: "docker" "start" "-a" "82ad558d70fca7558e85b914acdb19e12540cc824d6886bf399ba647c70deb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ad558d70fca7558e85b914acdb19e12540cc824d6886bf399ba647c70deb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ad558d70fca7558e85b914acdb19e12540cc824d6886bf399ba647c70deb70", kill_on_drop: false }`
[INFO] [stdout] 82ad558d70fca7558e85b914acdb19e12540cc824d6886bf399ba647c70deb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b06541c708896cb413648f60f2a703b8f7e048aef0c2482647f812d8acee8a9
[INFO] running `Command { std: "docker" "start" "-a" "1b06541c708896cb413648f60f2a703b8f7e048aef0c2482647f812d8acee8a9", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling neon-build v0.9.0
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[INFO] [stderr]    Compiling miniz_oxide v0.4.4
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[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking threadpool v1.8.1
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
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[INFO] [stderr]     Checking rayon-core v1.9.1
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling neon-macros v0.9.0
[INFO] [stderr]     Checking neon-demo v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating examples/image_gen.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/cpu.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed examples/image_gen.rs (1 fix)
[INFO] [stderr]        Fixed src/asynctask.rs (2 fixes)
[INFO] [stdout] warning: type alias is never used: `Job`
[INFO] [stdout]  --> src/mythreadpool.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Job = Box<dyn FnBox + Send + 'static>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ThreadPool`
[INFO] [stdout]   --> src/mythreadpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ThreadPool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]   --> src/mythreadpool.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn spawn<F>(&self, f: F)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Worker`
[INFO] [stdout]   --> src/mythreadpool.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Job`
[INFO] [stdout]  --> src/mythreadpool.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Job = Box<dyn FnBox + Send + 'static>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ThreadPool`
[INFO] [stdout]   --> src/mythreadpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ThreadPool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]   --> src/mythreadpool.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn spawn<F>(&self, f: F)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Worker`
[INFO] [stdout]   --> src/mythreadpool.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.77s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking neon-demo v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: type alias is never used: `Job`
[INFO] [stdout]  --> src/mythreadpool.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Job = Box<dyn FnBox + Send + 'static>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ThreadPool`
[INFO] [stdout]   --> src/mythreadpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ThreadPool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]   --> src/mythreadpool.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn spawn<F>(&self, f: F)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Worker`
[INFO] [stdout]   --> src/mythreadpool.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Job`
[INFO] [stdout]  --> src/mythreadpool.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Job = Box<dyn FnBox + Send + 'static>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ThreadPool`
[INFO] [stdout]   --> src/mythreadpool.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ThreadPool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]   --> src/mythreadpool.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn spawn<F>(&self, f: F)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Worker`
[INFO] [stdout]   --> src/mythreadpool.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Worker {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mythreadpool.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "1b06541c708896cb413648f60f2a703b8f7e048aef0c2482647f812d8acee8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b06541c708896cb413648f60f2a703b8f7e048aef0c2482647f812d8acee8a9", kill_on_drop: false }`
[INFO] [stdout] 1b06541c708896cb413648f60f2a703b8f7e048aef0c2482647f812d8acee8a9