[INFO] updating cached repository https://github.com/officialpiyush/number-guesser-bot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28cc3daa811454b3f62a58b5364d9eeff541a2ba
[INFO] checking officialpiyush/number-guesser-bot against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fofficialpiyush%2Fnumber-guesser-bot" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/officialpiyush/number-guesser-bot on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/officialpiyush/number-guesser-bot
[INFO] finished tweaking git repo https://github.com/officialpiyush/number-guesser-bot
[INFO] tweaked toml for git repo https://github.com/officialpiyush/number-guesser-bot written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/officialpiyush/number-guesser-bot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 99705b72bc8c26fe04197c74f339fdd5bd5a1ea0daaa70cdca31f3f237d659a5
[INFO] running `"docker" "start" "-a" "99705b72bc8c26fe04197c74f339fdd5bd5a1ea0daaa70cdca31f3f237d659a5"`
[INFO] [stderr]    Compiling serenity v0.6.3
[INFO] [stderr]     Checking uwl v0.4.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling command_attr v0.1.4
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[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 tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking tokio-rustls v0.9.3
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]     Checking number-guesser-bot v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "99705b72bc8c26fe04197c74f339fdd5bd5a1ea0daaa70cdca31f3f237d659a5"`
[INFO] running `"docker" "rm" "-f" "99705b72bc8c26fe04197c74f339fdd5bd5a1ea0daaa70cdca31f3f237d659a5"`
[INFO] [stdout] 99705b72bc8c26fe04197c74f339fdd5bd5a1ea0daaa70cdca31f3f237d659a5