[INFO] updating cached repository illemonati/tioft_rust_discord_1
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/illemonati/tioft_rust_discord_1
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/illemonati/tioft_rust_discord_1" "work/ex/beta-1.38-1/sources/1.37.0/gh/illemonati/tioft_rust_discord_1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/illemonati/tioft_rust_discord_1'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/illemonati/tioft_rust_discord_1" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/illemonati/tioft_rust_discord_1"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/illemonati/tioft_rust_discord_1'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a1c244a20aee3649fcb75191da0ed9de3779af3
[INFO] sha for GitHub repo illemonati/tioft_rust_discord_1: 1a1c244a20aee3649fcb75191da0ed9de3779af3
[INFO] validating manifest of illemonati/tioft_rust_discord_1 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 illemonati/tioft_rust_discord_1 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 illemonati/tioft_rust_discord_1
[INFO] finished frobbing illemonati/tioft_rust_discord_1
[INFO] frobbed toml for illemonati/tioft_rust_discord_1 written to work/ex/beta-1.38-1/sources/1.37.0/gh/illemonati/tioft_rust_discord_1/Cargo.toml
[INFO] started frobbing illemonati/tioft_rust_discord_1
[INFO] finished frobbing illemonati/tioft_rust_discord_1
[INFO] frobbed toml for illemonati/tioft_rust_discord_1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/illemonati/tioft_rust_discord_1/Cargo.toml
[INFO] crate illemonati/tioft_rust_discord_1 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] 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing illemonati/tioft_rust_discord_1 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-4/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/illemonati/tioft_rust_discord_1:/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] 797411e8b1c843a3541ae24ff3ec64d26df88c4a82fdafa6c192985a8ec91c60
[INFO] running `"docker" "start" "-a" "797411e8b1c843a3541ae24ff3ec64d26df88c4a82fdafa6c192985a8ec91c60"`
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling rc-writer v1.1.1
[INFO] [stderr]    Compiling qrcodegen v1.4.0
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling hyper v0.12.19
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling serenity v0.5.8 (https://github.com/illemonati/serenity#cbefc991)
[INFO] [stderr]    Compiling qrcode-generator v1.0.3
[INFO] [stderr]    Compiling barcoders v0.10.0 (https://github.com/buntine/barcoders.git#5efb6ed5)
[INFO] [stderr]    Compiling select v0.4.2
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling tioft_rust_discord_1 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(refcell_replace_swap)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Class`, `Name`, `Predicate`
[INFO] [stderr]   --> src/main.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 | use select::predicate::{Attr, Class, Name, Predicate};
[INFO] [stderr]    |                               ^^^^^  ^^^^  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serenity::model::channel::Embed`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use serenity::model::channel::Embed;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serenity::model::channel::EmbedImage`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use serenity::model::channel::EmbedImage;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serenity::model::event::TypingStartEvent`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use serenity::model::event::TypingStartEvent;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serenity::model::id::UserId`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use serenity::model::id::UserId;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serenity::utils::MessageBuilder`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use serenity::utils::MessageBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsStr`
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | use std::ffi::OsStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Attr`, `Class`, `Predicate`
[INFO] [stderr]  --> src/scp.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use select::predicate::{Attr, Class, Name, Predicate};
[INFO] [stderr]   |                         ^^^^  ^^^^^        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:250:16
[INFO] [stderr]     |
[INFO] [stderr] 250 |             if (number == 0i64) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:344:16
[INFO] [stderr]     |
[INFO] [stderr] 344 |             if (number == 0i64) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[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 `tioft_rust_discord_1`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "797411e8b1c843a3541ae24ff3ec64d26df88c4a82fdafa6c192985a8ec91c60"`
[INFO] running `"docker" "rm" "-f" "797411e8b1c843a3541ae24ff3ec64d26df88c4a82fdafa6c192985a8ec91c60"`
[INFO] [stdout] 797411e8b1c843a3541ae24ff3ec64d26df88c4a82fdafa6c192985a8ec91c60