[INFO] crate searchspot 0.16.0 is already in cache
[INFO] extracting crate searchspot 0.16.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/searchspot/0.16.0
[INFO] extracting crate searchspot 0.16.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/searchspot/0.16.0
[INFO] validating manifest of searchspot-0.16.0 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 searchspot-0.16.0 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 searchspot-0.16.0
[INFO] finished frobbing searchspot-0.16.0
[INFO] frobbed toml for searchspot-0.16.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/searchspot/0.16.0/Cargo.toml
[INFO] started frobbing searchspot-0.16.0
[INFO] finished frobbing searchspot-0.16.0
[INFO] frobbed toml for searchspot-0.16.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/searchspot/0.16.0/Cargo.toml
[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] testing searchspot-0.16.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/searchspot/0.16.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0ea7e20f3d2674135dbd6b2ca94c34cf92b7c09c37c95a74f5fb3896a2577470
[INFO] running `"docker" "start" "-a" "0ea7e20f3d2674135dbd6b2ca94c34cf92b7c09c37c95a74f5fb3896a2577470"`
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling crypto-mac v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling hmac v0.1.1
[INFO] [stderr]    Compiling oath v0.10.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling hyper-openssl v0.2.7
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling rollbar v0.4.0
[INFO] [stderr]    Compiling rs-es v0.10.5
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling logger v0.4.0
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling urlencoded v0.6.0
[INFO] [stderr]    Compiling params v0.8.0
[INFO] [stderr]    Compiling searchspot v0.16.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait, iterator_for_each)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/server.rs:61:7
[INFO] [stderr]     |
[INFO] [stderr] 61  |       (status::Unauthorized)
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 123 |       unauthorized!();
[INFO] [stderr]     |       ---------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/server.rs:61:7
[INFO] [stderr]     |
[INFO] [stderr] 61  |       (status::Unauthorized)
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 158 |       unauthorized!();
[INFO] [stderr]     |       ---------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/server.rs:61:7
[INFO] [stderr]     |
[INFO] [stderr] 61  |       (status::Unauthorized)
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 192 |       unauthorized!();
[INFO] [stderr]     |       ---------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/server.rs:61:7
[INFO] [stderr]     |
[INFO] [stderr] 61  |       (status::Unauthorized)
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 237 |       unauthorized!();
[INFO] [stderr]     |       ---------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `searchspot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0ea7e20f3d2674135dbd6b2ca94c34cf92b7c09c37c95a74f5fb3896a2577470"`
[INFO] running `"docker" "rm" "-f" "0ea7e20f3d2674135dbd6b2ca94c34cf92b7c09c37c95a74f5fb3896a2577470"`
[INFO] [stdout] 0ea7e20f3d2674135dbd6b2ca94c34cf92b7c09c37c95a74f5fb3896a2577470