[INFO] updating cached repository VictorKoenders/irc_discord_client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VictorKoenders/irc_discord_client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VictorKoenders/irc_discord_client" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/VictorKoenders/irc_discord_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/VictorKoenders/irc_discord_client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VictorKoenders/irc_discord_client" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/VictorKoenders/irc_discord_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/VictorKoenders/irc_discord_client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 97a5a12a11f8e5368b0ecd6d6251cf8e574af627
[INFO] sha for GitHub repo VictorKoenders/irc_discord_client: 97a5a12a11f8e5368b0ecd6d6251cf8e574af627
[INFO] validating manifest of VictorKoenders/irc_discord_client on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VictorKoenders/irc_discord_client on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing VictorKoenders/irc_discord_client
[INFO] finished frobbing VictorKoenders/irc_discord_client
[INFO] frobbed toml for VictorKoenders/irc_discord_client written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/VictorKoenders/irc_discord_client/Cargo.toml
[INFO] started frobbing VictorKoenders/irc_discord_client
[INFO] finished frobbing VictorKoenders/irc_discord_client
[INFO] frobbed toml for VictorKoenders/irc_discord_client written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/VictorKoenders/irc_discord_client/Cargo.toml
[INFO] crate VictorKoenders/irc_discord_client already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking VictorKoenders/irc_discord_client against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/VictorKoenders/irc_discord_client:/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 41a63dd9e7d6fe5910806d5edd672733595b75780eb532a2b6cabef325bd190a
[INFO] running `"docker" "start" "-a" "41a63dd9e7d6fe5910806d5edd672733595b75780eb532a2b6cabef325bd190a"`
[INFO] [stderr]    Compiling openssl v0.9.24 (https://github.com/ishitatsuyuki/rust-openssl?branch=0.9.x#3b73dda4)
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking tokio-mockstream v1.1.0
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio_interval_buffer v0.1.0
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]     Checking serenity v0.5.12
[INFO] [stderr]     Checking irc v0.13.6
[INFO] [stderr]     Checking irc_discord_client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/discord/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     client.start();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/discord/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     client.start();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.90s
[INFO] running `"docker" "inspect" "41a63dd9e7d6fe5910806d5edd672733595b75780eb532a2b6cabef325bd190a"`
[INFO] running `"docker" "rm" "-f" "41a63dd9e7d6fe5910806d5edd672733595b75780eb532a2b6cabef325bd190a"`
[INFO] [stdout] 41a63dd9e7d6fe5910806d5edd672733595b75780eb532a2b6cabef325bd190a