[INFO] cloning repository MOZGIII/musicbot
[INFO] running `"git" "clone" "--bare" "git://github.com/MOZGIII/musicbot.git" "work/cache/sources/gh/MOZGIII/musicbot"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/MOZGIII/musicbot'...
[INFO] running `"git" "clone" "work/cache/sources/gh/MOZGIII/musicbot" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/MOZGIII/musicbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/MOZGIII/musicbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MOZGIII/musicbot" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/MOZGIII/musicbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/MOZGIII/musicbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78e6fe796798ab116f5bda82eff487d77ec04dca
[INFO] sha for GitHub repo MOZGIII/musicbot: 78e6fe796798ab116f5bda82eff487d77ec04dca
[INFO] validating manifest of MOZGIII/musicbot on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MOZGIII/musicbot on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MOZGIII/musicbot
[INFO] finished frobbing MOZGIII/musicbot
[INFO] frobbed toml for MOZGIII/musicbot written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/MOZGIII/musicbot/Cargo.toml
[INFO] started frobbing MOZGIII/musicbot
[INFO] finished frobbing MOZGIII/musicbot
[INFO] frobbed toml for MOZGIII/musicbot written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/MOZGIII/musicbot/Cargo.toml
[INFO] crate MOZGIII/musicbot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking MOZGIII/musicbot against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/MOZGIII/musicbot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2c114a3c4f3de19628b8354cedf877d899af547d6962a83118b345661416449a
[INFO] running `"docker" "start" "-a" "2c114a3c4f3de19628b8354cedf877d899af547d6962a83118b345661416449a"`
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling serenity v0.6.0-rc.1 (https://github.com/serenity-rs/serenity.git?branch=v0.6.x#3e0aff4e)
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]    Compiling libflate v0.1.25
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling command_attr v0.1.0-rc (https://github.com/serenity-rs/serenity.git?branch=v0.6.x#3e0aff4e)
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking serde v1.0.88
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling libsodium-sys v0.2.2
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.20
[INFO] [stderr]     Checking mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-rustls v0.9.3
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking reqwest v0.9.11
[INFO] [stderr]    Compiling audiopus_sys v0.1.1
[INFO] [stderr]     Checking audiopus v0.1.2
[INFO] [stderr]     Checking sodiumoxide v0.2.2
[INFO] [stderr]     Checking musicbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `"docker" "inspect" "2c114a3c4f3de19628b8354cedf877d899af547d6962a83118b345661416449a"`
[INFO] running `"docker" "rm" "-f" "2c114a3c4f3de19628b8354cedf877d899af547d6962a83118b345661416449a"`
[INFO] [stdout] 2c114a3c4f3de19628b8354cedf877d899af547d6962a83118b345661416449a