[INFO] crate resp-async 0.0.2 is already in cache
[INFO] extracting crate resp-async 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/resp-async/0.0.2
[INFO] extracting crate resp-async 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/resp-async/0.0.2
[INFO] validating manifest of resp-async-0.0.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of resp-async-0.0.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing resp-async-0.0.2
[INFO] finished frobbing resp-async-0.0.2
[INFO] frobbed toml for resp-async-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/resp-async/0.0.2/Cargo.toml
[INFO] started frobbing resp-async-0.0.2
[INFO] finished frobbing resp-async-0.0.2
[INFO] frobbed toml for resp-async-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/resp-async/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing resp-async-0.0.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/resp-async/0.0.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] eb673d406f9a95bb10ae1f59be77544118bafb1322c0bb7d32ddada8013204d6
[INFO] running `"docker" "start" "-a" "eb673d406f9a95bb10ae1f59be77544118bafb1322c0bb7d32ddada8013204d6"`
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling resp-async v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(try_from, nll, integer_atomics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::convert::TryInto<std::string::String>` for type `resp::Value`:
[INFO] [stderr]   --> src/resp.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl TryInto<String> for Value {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: conflicting implementation in crate `core`:
[INFO] [stderr]            - impl<T, U> std::convert::TryInto<U> for T
[INFO] [stderr]              where U: std::convert::TryFrom<T>;
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::convert::TryInto<std::vec::Vec<u8>>` for type `resp::Value`:
[INFO] [stderr]   --> src/resp.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl TryInto<Vec<u8>> for Value {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: conflicting implementation in crate `core`:
[INFO] [stderr]            - impl<T, U> std::convert::TryInto<U> for T
[INFO] [stderr]              where U: std::convert::TryFrom<T>;
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::convert::TryInto<i64>` for type `resp::Value`:
[INFO] [stderr]   --> src/resp.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | impl TryInto<i64> for Value {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: conflicting implementation in crate `core`:
[INFO] [stderr]            - impl<T, U> std::convert::TryInto<U> for T
[INFO] [stderr]              where U: std::convert::TryFrom<T>;
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::convert::TryInto<std::option::Option<std::vec::Vec<u8>>>` for type `resp::Value`:
[INFO] [stderr]   --> src/resp.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl TryInto<Option<Vec<u8>>> for Value {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: conflicting implementation in crate `core`:
[INFO] [stderr]            - impl<T, U> std::convert::TryInto<U> for T
[INFO] [stderr]              where U: std::convert::TryFrom<T>;
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0119, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `resp-async`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "eb673d406f9a95bb10ae1f59be77544118bafb1322c0bb7d32ddada8013204d6"`
[INFO] running `"docker" "rm" "-f" "eb673d406f9a95bb10ae1f59be77544118bafb1322c0bb7d32ddada8013204d6"`
[INFO] [stdout] eb673d406f9a95bb10ae1f59be77544118bafb1322c0bb7d32ddada8013204d6