[INFO] updating cached repository https://github.com/acdenisSK/kitty-rs
[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] [stderr] From https://github.com/acdenisSK/kitty-rs
[INFO] [stderr]    75dada0..1eaf815  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1eaf815dfafc78713ddf99d598dc67c34aeff6e3
[INFO] checking acdenisSK/kitty-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FacdenisSK%2Fkitty-rs" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acdenisSK/kitty-rs 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/acdenisSK/kitty-rs
[INFO] finished tweaking git repo https://github.com/acdenisSK/kitty-rs
[INFO] tweaked toml for git repo https://github.com/acdenisSK/kitty-rs written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/acdenisSK/kitty-rs 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] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/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] a5456a502156b8a0719de5fc98079633f3e04b3df45db8e7637860afb58e6830
[INFO] running `"docker" "start" "-a" "a5456a502156b8a0719de5fc98079633f3e04b3df45db8e7637860afb58e6830"`
[INFO] [stderr]    Compiling serenity v0.5.8 (https://github.com/serenity-rs/serenity#7237697d)
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr] error: This branch is no longer updated, please use the current branch or the 0.6.x branch.
[INFO] [stderr] Please check this document for more information: https://github.com/serenity-rs/serenity/blob/current/CONTRIBUTING.md#pull-requests
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/serenity-8a8b65b77919dc75/7237697/build.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     compile_error!("This branch is no longer updated, please use the current branch or the 0.6.x branch.
[INFO] [stderr] 3 | | Please check this document for more information: https://github.com/serenity-rs/serenity/blob/current/CONTRIBUTING.md#pull-requests")
[INFO] [stderr]   | |_____________________________________________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `serenity`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a5456a502156b8a0719de5fc98079633f3e04b3df45db8e7637860afb58e6830"`
[INFO] running `"docker" "rm" "-f" "a5456a502156b8a0719de5fc98079633f3e04b3df45db8e7637860afb58e6830"`
[INFO] [stdout] a5456a502156b8a0719de5fc98079633f3e04b3df45db8e7637860afb58e6830