[INFO] updating cached repository https://github.com/dfockler/rust-toy-server
[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] fca7c454537897ea7c360123ac959b834c10e5f6
[INFO] testing dfockler/rust-toy-server against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Frust-toy-server" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dfockler/rust-toy-server 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/dfockler/rust-toy-server
[INFO] finished tweaking git repo https://github.com/dfockler/rust-toy-server
[INFO] tweaked toml for git repo https://github.com/dfockler/rust-toy-server written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dfockler/rust-toy-server 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 6d1cf0cc2b86c29d308f044536d4ea2b4a6ed9384ec49999a27c4c7a33e77e19
[INFO] running `"docker" "start" "-a" "6d1cf0cc2b86c29d308f044536d4ea2b4a6ed9384ec49999a27c4c7a33e77e19"`
[INFO] [stderr]    Compiling server v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::old_io::{TcpListener, TcpStream};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::old_io::{Acceptor, Listener};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> src/main.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::old_io::File;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> src/main.rs:37:29
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let contents = File::open(&Path::new("index.html")).read_to_end().unwrap();
[INFO] [stderr]    |                                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `spawn` found for type `std::thread::Thread` in the current scope
[INFO] [stderr]   --> src/main.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 Thread::spawn(move|| {
[INFO] [stderr]    |                         ^^^^^ function or associated item not found in `std::thread::Thread`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `server`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6d1cf0cc2b86c29d308f044536d4ea2b4a6ed9384ec49999a27c4c7a33e77e19"`
[INFO] running `"docker" "rm" "-f" "6d1cf0cc2b86c29d308f044536d4ea2b4a6ed9384ec49999a27c4c7a33e77e19"`
[INFO] [stdout] 6d1cf0cc2b86c29d308f044536d4ea2b4a6ed9384ec49999a27c4c7a33e77e19