[INFO] updating cached repository jmcelwain/the_linux_programming_interface [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jmcelwain/the_linux_programming_interface [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jmcelwain/the_linux_programming_interface" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jmcelwain/the_linux_programming_interface"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jmcelwain/the_linux_programming_interface'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jmcelwain/the_linux_programming_interface" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jmcelwain/the_linux_programming_interface"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jmcelwain/the_linux_programming_interface'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 20d87244e4a21b0c11f1818de6e85d89b1648b19 [INFO] sha for GitHub repo jmcelwain/the_linux_programming_interface: 20d87244e4a21b0c11f1818de6e85d89b1648b19 [INFO] validating manifest of jmcelwain/the_linux_programming_interface 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 jmcelwain/the_linux_programming_interface 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 jmcelwain/the_linux_programming_interface [INFO] finished frobbing jmcelwain/the_linux_programming_interface [INFO] frobbed toml for jmcelwain/the_linux_programming_interface written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jmcelwain/the_linux_programming_interface/Cargo.toml [INFO] started frobbing jmcelwain/the_linux_programming_interface [INFO] finished frobbing jmcelwain/the_linux_programming_interface [INFO] frobbed toml for jmcelwain/the_linux_programming_interface written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jmcelwain/the_linux_programming_interface/Cargo.toml [INFO] crate jmcelwain/the_linux_programming_interface 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 jmcelwain/the_linux_programming_interface against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jmcelwain/the_linux_programming_interface:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a63f462d7a32d955b58cc0114ba3cf733455112059b7414550c438dc84e468e8 [INFO] running `"docker" "start" "-a" "a63f462d7a32d955b58cc0114ba3cf733455112059b7414550c438dc84e468e8"` [INFO] [stderr] Checking linux_interface v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `to_path` [INFO] [stderr] --> src/fileio/copy.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let to_path = Path::new(to); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_to_path` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/fileio/copy.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let file = match File::open(&from) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `copy` [INFO] [stderr] --> src/fileio/copy.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn copy(from: &String, to: &String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `to_path` [INFO] [stderr] --> src/fileio/copy.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let to_path = Path::new(to); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_to_path` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/fileio/copy.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let file = match File::open(&from) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `copy` [INFO] [stderr] --> src/fileio/copy.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn copy(from: &String, to: &String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `"docker" "inspect" "a63f462d7a32d955b58cc0114ba3cf733455112059b7414550c438dc84e468e8"` [INFO] running `"docker" "rm" "-f" "a63f462d7a32d955b58cc0114ba3cf733455112059b7414550c438dc84e468e8"` [INFO] [stdout] a63f462d7a32d955b58cc0114ba3cf733455112059b7414550c438dc84e468e8