[INFO] updating cached repository timonv/hyper_blocking_example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/timonv/hyper_blocking_example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/timonv/hyper_blocking_example" "work/ex/beta-1.38-1/sources/1.37.0/gh/timonv/hyper_blocking_example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/timonv/hyper_blocking_example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/timonv/hyper_blocking_example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timonv/hyper_blocking_example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timonv/hyper_blocking_example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8dc1d242c4bb555e98ffe0700a3653688dfee59
[INFO] sha for GitHub repo timonv/hyper_blocking_example: c8dc1d242c4bb555e98ffe0700a3653688dfee59
[INFO] validating manifest of timonv/hyper_blocking_example on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of timonv/hyper_blocking_example on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing timonv/hyper_blocking_example
[INFO] finished frobbing timonv/hyper_blocking_example
[INFO] frobbed toml for timonv/hyper_blocking_example written to work/ex/beta-1.38-1/sources/1.37.0/gh/timonv/hyper_blocking_example/Cargo.toml
[INFO] started frobbing timonv/hyper_blocking_example
[INFO] finished frobbing timonv/hyper_blocking_example
[INFO] frobbed toml for timonv/hyper_blocking_example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timonv/hyper_blocking_example/Cargo.toml
[INFO] crate timonv/hyper_blocking_example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/timonv/hyper_blocking_example/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing timonv/hyper_blocking_example against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timonv/hyper_blocking_example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a31eeda4a9a67bf4d7a36d51f3c70e5c5a52b444c6f094c4ac321b667be29aa2
[INFO] running `"docker" "start" "-a" "a31eeda4a9a67bf4d7a36d51f3c70e5c5a52b444c6f094c4ac321b667be29aa2"`
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling hyper_block_example v0.0.1 (/opt/crater/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 `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] warning: unused import: `std::old_io::net::ip::Ipv4Addr`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::old_io::net::ip::Ipv4Addr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `http` found for type `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
[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" "a31eeda4a9a67bf4d7a36d51f3c70e5c5a52b444c6f094c4ac321b667be29aa2"`
[INFO] running `"docker" "rm" "-f" "a31eeda4a9a67bf4d7a36d51f3c70e5c5a52b444c6f094c4ac321b667be29aa2"`
[INFO] [stdout] a31eeda4a9a67bf4d7a36d51f3c70e5c5a52b444c6f094c4ac321b667be29aa2