[INFO] updating cached repository JellyWX/suggestion-bot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JellyWX/suggestion-bot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JellyWX/suggestion-bot-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/JellyWX/suggestion-bot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JellyWX/suggestion-bot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JellyWX/suggestion-bot-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JellyWX/suggestion-bot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JellyWX/suggestion-bot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30a96fb46b00662f4514332097d1388c4c22812e
[INFO] sha for GitHub repo JellyWX/suggestion-bot-rs: 30a96fb46b00662f4514332097d1388c4c22812e
[INFO] validating manifest of JellyWX/suggestion-bot-rs 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 JellyWX/suggestion-bot-rs 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 JellyWX/suggestion-bot-rs
[INFO] finished frobbing JellyWX/suggestion-bot-rs
[INFO] frobbed toml for JellyWX/suggestion-bot-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/JellyWX/suggestion-bot-rs/Cargo.toml
[INFO] started frobbing JellyWX/suggestion-bot-rs
[INFO] finished frobbing JellyWX/suggestion-bot-rs
[INFO] frobbed toml for JellyWX/suggestion-bot-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JellyWX/suggestion-bot-rs/Cargo.toml
[INFO] crate JellyWX/suggestion-bot-rs already has a lockfile, it will not be regenerated
[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 JellyWX/suggestion-bot-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JellyWX/suggestion-bot-rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 65f3d6cdf69c894aecdb17af95164c78889c8d2abc98ccc22dfd4a6652d395fa
[INFO] running `"docker" "start" "-a" "65f3d6cdf69c894aecdb17af95164c78889c8d2abc98ccc22dfd4a6652d395fa"`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
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[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling slab v0.4.1
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[INFO] [stderr]    Compiling cc v1.0.25
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[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.2.0
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[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling regex v0.2.11
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[INFO] [stderr]    Compiling utf8-ranges v1.0.1
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[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
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[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling atoi v0.2.3
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
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[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling twox-hash v1.1.1
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[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
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[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling flate2 v1.0.3
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling dotenv v0.9.0
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling mysql_common v0.9.2
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling hyper v0.12.12
[INFO] [stderr]    Compiling mysql v14.1.0
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.2
[INFO] [stderr]    Compiling serenity v0.5.9
[INFO] [stderr]    Compiling suggestion-bot v0.1.0 (/opt/crater/workdir)
[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(vec_remove_item)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `suggestion-bot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "65f3d6cdf69c894aecdb17af95164c78889c8d2abc98ccc22dfd4a6652d395fa"`
[INFO] running `"docker" "rm" "-f" "65f3d6cdf69c894aecdb17af95164c78889c8d2abc98ccc22dfd4a6652d395fa"`
[INFO] [stdout] 65f3d6cdf69c894aecdb17af95164c78889c8d2abc98ccc22dfd4a6652d395fa