[INFO] updating cached repository sriharshakappala/rust-stackoverflow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sriharshakappala/rust-stackoverflow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sriharshakappala/rust-stackoverflow" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sriharshakappala/rust-stackoverflow"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sriharshakappala/rust-stackoverflow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sriharshakappala/rust-stackoverflow" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/sriharshakappala/rust-stackoverflow"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/sriharshakappala/rust-stackoverflow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9535da6505e6ab8a95e386ac4c7f22a371f33da9
[INFO] sha for GitHub repo sriharshakappala/rust-stackoverflow: 9535da6505e6ab8a95e386ac4c7f22a371f33da9
[INFO] validating manifest of sriharshakappala/rust-stackoverflow on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sriharshakappala/rust-stackoverflow on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sriharshakappala/rust-stackoverflow
[INFO] finished frobbing sriharshakappala/rust-stackoverflow
[INFO] frobbed toml for sriharshakappala/rust-stackoverflow written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sriharshakappala/rust-stackoverflow/Cargo.toml
[INFO] started frobbing sriharshakappala/rust-stackoverflow
[INFO] finished frobbing sriharshakappala/rust-stackoverflow
[INFO] frobbed toml for sriharshakappala/rust-stackoverflow written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/sriharshakappala/rust-stackoverflow/Cargo.toml
[INFO] crate sriharshakappala/rust-stackoverflow already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sriharshakappala/rust-stackoverflow/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sriharshakappala/rust-stackoverflow against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sriharshakappala/rust-stackoverflow:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31d146129a560bd8ae3c08c48e18b52d0658d78b1a51cbd33d3f863bb3591eb4
[INFO] running `"docker" "start" "-a" "31d146129a560bd8ae3c08c48e18b52d0658d78b1a51cbd33d3f863bb3591eb4"`
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]     Checking curl v0.2.19
[INFO] [stderr]     Checking stackoverflow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.76s
[INFO] running `"docker" "inspect" "31d146129a560bd8ae3c08c48e18b52d0658d78b1a51cbd33d3f863bb3591eb4"`
[INFO] running `"docker" "rm" "-f" "31d146129a560bd8ae3c08c48e18b52d0658d78b1a51cbd33d3f863bb3591eb4"`
[INFO] [stdout] 31d146129a560bd8ae3c08c48e18b52d0658d78b1a51cbd33d3f863bb3591eb4