[INFO] updating cached repository cleap/Exponent-Approximation [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cleap/Exponent-Approximation [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cleap/Exponent-Approximation" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cleap/Exponent-Approximation"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cleap/Exponent-Approximation'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cleap/Exponent-Approximation" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cleap/Exponent-Approximation"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cleap/Exponent-Approximation'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e93a5db10586689aebc44444c4bea82bc3520687 [INFO] sha for GitHub repo cleap/Exponent-Approximation: e93a5db10586689aebc44444c4bea82bc3520687 [INFO] validating manifest of cleap/Exponent-Approximation 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 cleap/Exponent-Approximation 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 cleap/Exponent-Approximation [INFO] finished frobbing cleap/Exponent-Approximation [INFO] frobbed toml for cleap/Exponent-Approximation written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cleap/Exponent-Approximation/Cargo.toml [INFO] started frobbing cleap/Exponent-Approximation [INFO] finished frobbing cleap/Exponent-Approximation [INFO] frobbed toml for cleap/Exponent-Approximation written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cleap/Exponent-Approximation/Cargo.toml [INFO] crate cleap/Exponent-Approximation 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 cleap/Exponent-Approximation against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cleap/Exponent-Approximation:/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] f715e629e5262f2071e9cfff6a8bf2ce74c65e1f5938e724118916ff308f20e6 [INFO] running `"docker" "start" "-a" "f715e629e5262f2071e9cfff6a8bf2ce74c65e1f5938e724118916ff308f20e6"` [INFO] [stderr] Checking exponent_approximation v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `"docker" "inspect" "f715e629e5262f2071e9cfff6a8bf2ce74c65e1f5938e724118916ff308f20e6"` [INFO] running `"docker" "rm" "-f" "f715e629e5262f2071e9cfff6a8bf2ce74c65e1f5938e724118916ff308f20e6"` [INFO] [stdout] f715e629e5262f2071e9cfff6a8bf2ce74c65e1f5938e724118916ff308f20e6