[INFO] updating cached repository NoahTheDuke/rust_ackermann [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/NoahTheDuke/rust_ackermann [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/NoahTheDuke/rust_ackermann" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/NoahTheDuke/rust_ackermann"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/NoahTheDuke/rust_ackermann'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/NoahTheDuke/rust_ackermann" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/NoahTheDuke/rust_ackermann"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/NoahTheDuke/rust_ackermann'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5253f63b823de6ed03cb5f63bf028e1dd3cc3424 [INFO] sha for GitHub repo NoahTheDuke/rust_ackermann: 5253f63b823de6ed03cb5f63bf028e1dd3cc3424 [INFO] validating manifest of NoahTheDuke/rust_ackermann on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of NoahTheDuke/rust_ackermann on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing NoahTheDuke/rust_ackermann [INFO] finished frobbing NoahTheDuke/rust_ackermann [INFO] frobbed toml for NoahTheDuke/rust_ackermann written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/NoahTheDuke/rust_ackermann/Cargo.toml [INFO] started frobbing NoahTheDuke/rust_ackermann [INFO] finished frobbing NoahTheDuke/rust_ackermann [INFO] frobbed toml for NoahTheDuke/rust_ackermann written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/NoahTheDuke/rust_ackermann/Cargo.toml [INFO] crate NoahTheDuke/rust_ackermann already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking NoahTheDuke/rust_ackermann against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/NoahTheDuke/rust_ackermann:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6de15057ae2ebf26b4e96eed58389a2ed59673650c37c7454156566ddbe92cee [INFO] running `"docker" "start" "-a" "6de15057ae2ebf26b4e96eed58389a2ed59673650c37c7454156566ddbe92cee"` [INFO] [stderr] Checking ackermann v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `"docker" "inspect" "6de15057ae2ebf26b4e96eed58389a2ed59673650c37c7454156566ddbe92cee"` [INFO] running `"docker" "rm" "-f" "6de15057ae2ebf26b4e96eed58389a2ed59673650c37c7454156566ddbe92cee"` [INFO] [stdout] 6de15057ae2ebf26b4e96eed58389a2ed59673650c37c7454156566ddbe92cee