[INFO] updating cached repository murphym18/rust-reverse-string
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/murphym18/rust-reverse-string
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/murphym18/rust-reverse-string" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/murphym18/rust-reverse-string"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/murphym18/rust-reverse-string'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/murphym18/rust-reverse-string" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/murphym18/rust-reverse-string"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/murphym18/rust-reverse-string'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b0717d7f8acbf828748558023cf782ffd58dadb
[INFO] sha for GitHub repo murphym18/rust-reverse-string: 3b0717d7f8acbf828748558023cf782ffd58dadb
[INFO] validating manifest of murphym18/rust-reverse-string on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of murphym18/rust-reverse-string on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing murphym18/rust-reverse-string
[INFO] finished frobbing murphym18/rust-reverse-string
[INFO] frobbed toml for murphym18/rust-reverse-string written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/murphym18/rust-reverse-string/Cargo.toml
[INFO] started frobbing murphym18/rust-reverse-string
[INFO] finished frobbing murphym18/rust-reverse-string
[INFO] frobbed toml for murphym18/rust-reverse-string written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/murphym18/rust-reverse-string/Cargo.toml
[INFO] crate murphym18/rust-reverse-string has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking murphym18/rust-reverse-string against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-6/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/murphym18/rust-reverse-string:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e15777cb39ad36340c9ab94ce250bc2d3f112634d1d9b3bf305158a3b7a58a8a
[INFO] running `"docker" "start" "-a" "e15777cb39ad36340c9ab94ce250bc2d3f112634d1d9b3bf305158a3b7a58a8a"`
[INFO] [stderr]     Checking reverse_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "e15777cb39ad36340c9ab94ce250bc2d3f112634d1d9b3bf305158a3b7a58a8a"`
[INFO] running `"docker" "rm" "-f" "e15777cb39ad36340c9ab94ce250bc2d3f112634d1d9b3bf305158a3b7a58a8a"`
[INFO] [stdout] e15777cb39ad36340c9ab94ce250bc2d3f112634d1d9b3bf305158a3b7a58a8a