[INFO] cloning repository https://github.com/fusetim/r2lay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fusetim/r2lay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffusetim%2Fr2lay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffusetim%2Fr2lay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 135c7cc58753c113d4814da35bb614b3516ccb9c
[INFO] checking fusetim/r2lay against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffusetim%2Fr2lay" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fusetim/r2lay on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fusetim/r2lay
[INFO] finished tweaking git repo https://github.com/fusetim/r2lay
[INFO] tweaked toml for git repo https://github.com/fusetim/r2lay written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fusetim/r2lay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbea2e97d9edd4a6ca007a14b32a30e3d0bf36197c4434fdde2db929f7e895c2
[INFO] running `Command { std: "docker" "start" "-a" "dbea2e97d9edd4a6ca007a14b32a30e3d0bf36197c4434fdde2db929f7e895c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbea2e97d9edd4a6ca007a14b32a30e3d0bf36197c4434fdde2db929f7e895c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbea2e97d9edd4a6ca007a14b32a30e3d0bf36197c4434fdde2db929f7e895c2", kill_on_drop: false }`
[INFO] [stdout] dbea2e97d9edd4a6ca007a14b32a30e3d0bf36197c4434fdde2db929f7e895c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3afc652494335e32c74dd6d3a0d0941df34b9ca0e13901689ca05673521999f2
[INFO] running `Command { std: "docker" "start" "-a" "3afc652494335e32c74dd6d3a0d0941df34b9ca0e13901689ca05673521999f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking r2lay v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Context`, `bail`
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{bail, Context, Result};
[INFO] [stdout]   |              ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `bail`
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{bail, Context, Result};
[INFO] [stdout]   |              ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interest`
[INFO] [stdout]  --> src/main.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::io::{AsyncReadExt, AsyncWriteExt, Interest};
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interest`
[INFO] [stdout]  --> src/main.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::io::{AsyncReadExt, AsyncWriteExt, Interest};
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     loop {
[INFO] [stdout] 47 | |         match listener.accept().await {
[INFO] [stdout] 48 | |             Ok((socket, addr)) => {
[INFO] [stdout] 49 | |                 let opt = opt.clone();
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         }
[INFO] [stdout] 76 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 77 | 
[INFO] [stdout] 78 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     loop {
[INFO] [stdout] 47 | |         match listener.accept().await {
[INFO] [stdout] 48 | |             Ok((socket, addr)) => {
[INFO] [stdout] 49 | |                 let opt = opt.clone();
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         }
[INFO] [stdout] 76 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 77 | 
[INFO] [stdout] 78 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.85s
[INFO] running `Command { std: "docker" "inspect" "3afc652494335e32c74dd6d3a0d0941df34b9ca0e13901689ca05673521999f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afc652494335e32c74dd6d3a0d0941df34b9ca0e13901689ca05673521999f2", kill_on_drop: false }`
[INFO] [stdout] 3afc652494335e32c74dd6d3a0d0941df34b9ca0e13901689ca05673521999f2