[INFO] updating cached repository https://github.com/jfornoff/rust-socket-playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57fc4973ee37953734013b0c3e1f87c1dcc56387
[INFO] testing jfornoff/rust-socket-playground against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfornoff%2Frust-socket-playground" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfornoff/rust-socket-playground on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jfornoff/rust-socket-playground
[INFO] finished tweaking git repo https://github.com/jfornoff/rust-socket-playground
[INFO] tweaked toml for git repo https://github.com/jfornoff/rust-socket-playground written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jfornoff/rust-socket-playground already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] cb477d21b4329007d31630d2fe5b3488b4468ae2a52153e0a2bdf95501512523
[INFO] running `"docker" "start" "-a" "cb477d21b4329007d31630d2fe5b3488b4468ae2a52153e0a2bdf95501512523"`
[INFO] [stderr]    Compiling libc v0.2.34 (https://github.com/rust-lang/libc#b080eb5c)
[INFO] [stderr]    Compiling nix v0.10.0-pre (https://github.com/jfornoff/nix.git#8441e91b)
[INFO] [stderr]    Compiling rust-socket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RawFd`
[INFO] [stderr]  --> src/main.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stderr]   |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `"docker" "inspect" "cb477d21b4329007d31630d2fe5b3488b4468ae2a52153e0a2bdf95501512523"`
[INFO] running `"docker" "rm" "-f" "cb477d21b4329007d31630d2fe5b3488b4468ae2a52153e0a2bdf95501512523"`
[INFO] [stdout] cb477d21b4329007d31630d2fe5b3488b4468ae2a52153e0a2bdf95501512523
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f4fc5b85b2609905c00d029f63e2b154fa47362eb94b403b62c712f00c089799
[INFO] running `"docker" "start" "-a" "f4fc5b85b2609905c00d029f63e2b154fa47362eb94b403b62c712f00c089799"`
[INFO] [stderr]    Compiling rust-socket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RawFd`
[INFO] [stderr]  --> src/main.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stderr]   |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "f4fc5b85b2609905c00d029f63e2b154fa47362eb94b403b62c712f00c089799"`
[INFO] running `"docker" "rm" "-f" "f4fc5b85b2609905c00d029f63e2b154fa47362eb94b403b62c712f00c089799"`
[INFO] [stdout] f4fc5b85b2609905c00d029f63e2b154fa47362eb94b403b62c712f00c089799
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ad64ef46139b820f21b2a839b0a3ea3e1eb31314939ef3800f21344d31ba0cdc
[INFO] running `"docker" "start" "-a" "ad64ef46139b820f21b2a839b0a3ea3e1eb31314939ef3800f21344d31ba0cdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_socket-61c7e53a916aea71
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ad64ef46139b820f21b2a839b0a3ea3e1eb31314939ef3800f21344d31ba0cdc"`
[INFO] running `"docker" "rm" "-f" "ad64ef46139b820f21b2a839b0a3ea3e1eb31314939ef3800f21344d31ba0cdc"`
[INFO] [stdout] ad64ef46139b820f21b2a839b0a3ea3e1eb31314939ef3800f21344d31ba0cdc