[INFO] updating cached repository TumblrCommunity/grepbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TumblrCommunity/grepbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TumblrCommunity/grepbot" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/TumblrCommunity/grepbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/TumblrCommunity/grepbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TumblrCommunity/grepbot" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/TumblrCommunity/grepbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/TumblrCommunity/grepbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9afd096660f1c4a97e46e0aca9cc8aa3e1d7a8cd
[INFO] sha for GitHub repo TumblrCommunity/grepbot: 9afd096660f1c4a97e46e0aca9cc8aa3e1d7a8cd
[INFO] validating manifest of TumblrCommunity/grepbot on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TumblrCommunity/grepbot on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TumblrCommunity/grepbot
[INFO] finished frobbing TumblrCommunity/grepbot
[INFO] frobbed toml for TumblrCommunity/grepbot written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/TumblrCommunity/grepbot/Cargo.toml
[INFO] started frobbing TumblrCommunity/grepbot
[INFO] finished frobbing TumblrCommunity/grepbot
[INFO] frobbed toml for TumblrCommunity/grepbot written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/TumblrCommunity/grepbot/Cargo.toml
[INFO] crate TumblrCommunity/grepbot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/TumblrCommunity/grepbot/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/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking TumblrCommunity/grepbot against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/TumblrCommunity/grepbot:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5ce66bebb5387171b70637e656c41c2e0f107bc37e98950f076f58407fb14841
[INFO] running `"docker" "start" "-a" "5ce66bebb5387171b70637e656c41c2e0f107bc37e98950f076f58407fb14841"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking mvdb v0.2.1
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking serenity v0.5.14
[INFO] [stderr]     Checking grepbot v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.31s
[INFO] running `"docker" "inspect" "5ce66bebb5387171b70637e656c41c2e0f107bc37e98950f076f58407fb14841"`
[INFO] running `"docker" "rm" "-f" "5ce66bebb5387171b70637e656c41c2e0f107bc37e98950f076f58407fb14841"`
[INFO] [stdout] 5ce66bebb5387171b70637e656c41c2e0f107bc37e98950f076f58407fb14841