[INFO] cloning repository https://github.com/solimy/google-comprehensive-rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solimy/google-comprehensive-rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolimy%2Fgoogle-comprehensive-rust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolimy%2Fgoogle-comprehensive-rust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30b18eed2d743bc60449367b30f67704d5c6f360
[INFO] checking solimy/google-comprehensive-rust-playground against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolimy%2Fgoogle-comprehensive-rust-playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/solimy/google-comprehensive-rust-playground
[INFO] finished tweaking git repo https://github.com/solimy/google-comprehensive-rust-playground
[INFO] tweaked toml for git repo https://github.com/solimy/google-comprehensive-rust-playground written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/solimy/google-comprehensive-rust-playground on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/solimy/google-comprehensive-rust-playground 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 8f60164eb025e2ba6f6418f65860f4197ca1c7bd06d501b2f33aae336feef019
[INFO] running `Command { std: "docker" "start" "-a" "8f60164eb025e2ba6f6418f65860f4197ca1c7bd06d501b2f33aae336feef019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f60164eb025e2ba6f6418f65860f4197ca1c7bd06d501b2f33aae336feef019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f60164eb025e2ba6f6418f65860f4197ca1c7bd06d501b2f33aae336feef019", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbd0d257119c614cb7f6d16e0a2437e292128f0ced9a47f82587b4c2a366a560
[INFO] running `Command { std: "docker" "start" "-a" "dbd0d257119c614cb7f6d16e0a2437e292128f0ced9a47f82587b4c2a366a560", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.141
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[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/prefix.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use super::*;
[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 imports: `Receiver` and `Sender`
[INFO] [stdout]   --> src/dining_philosophers.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Receiver, Sender, SyncSender};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Response`
[INFO] [stdout]  --> src/link_checker.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use reqwest::blocking::{get, Response};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `Sender`
[INFO] [stdout]   --> src/dining_philosophers.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Receiver, Sender, SyncSender};
[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: `Response`
[INFO] [stdout]  --> src/link_checker.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use reqwest::blocking::{get, Response};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid_urls`
[INFO] [stdout]   --> src/link_checker.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let valid_urls = html
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_urls`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid_urls`
[INFO] [stdout]   --> src/link_checker.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let valid_urls = html
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_urls`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fork` is never constructed
[INFO] [stdout]   --> src/dining_philosophers.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Fork;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Philosopher` is never constructed
[INFO] [stdout]   --> src/dining_philosophers.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Philosopher {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fork` is never constructed
[INFO] [stdout]   --> src/dining_philosophers.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Fork;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Philosopher` is never constructed
[INFO] [stdout]   --> src/dining_philosophers.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Philosopher {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `think` and `eat` are never used
[INFO] [stdout]   --> src/dining_philosophers.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Philosopher {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 27 |     fn think(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn eat(&self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PHILOSOPHERS` is never used
[INFO] [stdout]   --> src/dining_philosophers.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | static PHILOSOPHERS: &[&str] =
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `think` and `eat` are never used
[INFO] [stdout]   --> src/dining_philosophers.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Philosopher {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] 27 |     fn think(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn eat(&self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/dining_philosophers.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PHILOSOPHERS` is never used
[INFO] [stdout]   --> src/dining_philosophers.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | static PHILOSOPHERS: &[&str] =
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/link_checker.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/dining_philosophers.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/link_checker.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.49
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "dbd0d257119c614cb7f6d16e0a2437e292128f0ced9a47f82587b4c2a366a560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd0d257119c614cb7f6d16e0a2437e292128f0ced9a47f82587b4c2a366a560", kill_on_drop: false }`
[INFO] [stdout] dbd0d257119c614cb7f6d16e0a2437e292128f0ced9a47f82587b4c2a366a560
