[INFO] updating cached repository https://github.com/timonv/hyper_blocking_example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] c8dc1d242c4bb555e98ffe0700a3653688dfee59
[INFO] testing timonv/hyper_blocking_example against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimonv%2Fhyper_blocking_example" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timonv/hyper_blocking_example on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/timonv/hyper_blocking_example
[INFO] finished tweaking git repo https://github.com/timonv/hyper_blocking_example
[INFO] tweaked toml for git repo https://github.com/timonv/hyper_blocking_example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/timonv/hyper_blocking_example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 75f7d4ebf7b48484e9b5d1a39d055593ae0101b95ac96293990f5b93428d9f41
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "75f7d4ebf7b48484e9b5d1a39d055593ae0101b95ac96293990f5b93428d9f41"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hyper_block_example v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stderr]  --> src/main.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::old_io::net::ip::Ipv4Addr;
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `hyper::server::Request`, `hyper::server::Response`
[INFO] [stderr]  --> src/main.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | use hyper::server::{Server, Request, Response};
[INFO] [stderr]   |                             ^^^^^^^  ^^^^^^^^ no `Response` in `server`
[INFO] [stderr]   |                             |
[INFO] [stderr]   |                             no `Request` in `server`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function, tuple struct or tuple variant `Ipv4Addr` in this scope
[INFO] [stderr]   --> src/main.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let server = Server::http(Ipv4Addr(127, 0, 0, 1), 9999);
[INFO] [stderr]    |                               ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(old_io)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `http` found for struct `hyper::Server<_, _, _>` in the current scope
[INFO] [stderr]   --> src/main.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let server = Server::http(Ipv4Addr(127, 0, 0, 1), 9999);
[INFO] [stderr]    |                          ^^^^ function or associated item not found in `hyper::Server<_, _, _>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `hyper_block_example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "75f7d4ebf7b48484e9b5d1a39d055593ae0101b95ac96293990f5b93428d9f41"`
[INFO] running `"docker" "rm" "-f" "75f7d4ebf7b48484e9b5d1a39d055593ae0101b95ac96293990f5b93428d9f41"`
[INFO] [stdout] 75f7d4ebf7b48484e9b5d1a39d055593ae0101b95ac96293990f5b93428d9f41