[INFO] cloning repository https://github.com/User65k/flash_rust_ws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/User65k/flash_rust_ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUser65k%2Fflash_rust_ws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUser65k%2Fflash_rust_ws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c35d1732ec27ba19672b64d04f0c77dd76b19c0
[INFO] checking User65k/flash_rust_ws against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUser65k%2Fflash_rust_ws" "/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/User65k/flash_rust_ws on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/User65k/flash_rust_ws
[INFO] finished tweaking git repo https://github.com/User65k/flash_rust_ws
[INFO] tweaked toml for git repo https://github.com/User65k/flash_rust_ws written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/User65k/flash_rust_ws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] c972dd0e3896a517aa834150df51993000cd5673d51c68049fbbc485ebdf5581
[INFO] running `Command { std: "docker" "start" "-a" "c972dd0e3896a517aa834150df51993000cd5673d51c68049fbbc485ebdf5581", kill_on_drop: false }`
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[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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "79dd3c90e7ebcb865027ef8f3e49ab16a5cdba0d19c3368f63f76e8448955ba5", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]  --> src/main.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_util::future::{select, join_all};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as SerdeError`
[INFO] [stdout]   --> src/config.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 | use serde::de::{Deserializer, Visitor, MapAccess, Error as SerdeError};
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select`
[INFO] [stdout]  --> src/main.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_util::future::{select, join_all};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as SerdeError`
[INFO] [stdout]   --> src/config.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 | use serde::de::{Deserializer, Visitor, MapAccess, Error as SerdeError};
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/config.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `local_addr`
[INFO] [stdout]   --> src/transport/mod.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_nodelay`
[INFO] [stdout]   --> src/transport/mod.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn set_nodelay(&mut self, enabled: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_sleep_on_errors`
[INFO] [stdout]    --> src/transport/mod.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn set_sleep_on_errors(&mut self, val: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_inner`
[INFO] [stdout]    --> src/transport/mod.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn into_inner(self) -> TcpStream {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `poll_peek`
[INFO] [stdout]    --> src/transport/mod.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn poll_peek(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/config.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/transport/tls/rustls.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |     let p = ParsedTLSConfig::new(&u1, None);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `local_addr`
[INFO] [stdout]   --> src/transport/mod.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn local_addr(&self) -> SocketAddr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_nodelay`
[INFO] [stdout]   --> src/transport/mod.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn set_nodelay(&mut self, enabled: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_sleep_on_errors`
[INFO] [stdout]    --> src/transport/mod.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn set_sleep_on_errors(&mut self, val: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_inner`
[INFO] [stdout]    --> src/transport/mod.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn into_inner(self) -> TcpStream {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `poll_peek`
[INFO] [stdout]    --> src/transport/mod.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn poll_peek(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "79dd3c90e7ebcb865027ef8f3e49ab16a5cdba0d19c3368f63f76e8448955ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79dd3c90e7ebcb865027ef8f3e49ab16a5cdba0d19c3368f63f76e8448955ba5", kill_on_drop: false }`
[INFO] [stdout] 79dd3c90e7ebcb865027ef8f3e49ab16a5cdba0d19c3368f63f76e8448955ba5