[INFO] cloning repository https://github.com/thatmarkenglishguy/move_numeric_files
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thatmarkenglishguy/move_numeric_files" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatmarkenglishguy%2Fmove_numeric_files", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatmarkenglishguy%2Fmove_numeric_files'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27e8e78e0bbf815923c805c63aea3b74427806a6
[INFO] checking thatmarkenglishguy/move_numeric_files against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatmarkenglishguy%2Fmove_numeric_files" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thatmarkenglishguy/move_numeric_files on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thatmarkenglishguy/move_numeric_files
[INFO] finished tweaking git repo https://github.com/thatmarkenglishguy/move_numeric_files
[INFO] tweaked toml for git repo https://github.com/thatmarkenglishguy/move_numeric_files written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thatmarkenglishguy/move_numeric_files already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d288841734487a275cfd08710054a2ae74fa16a2e8b2811d585f994777d4f086
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d288841734487a275cfd08710054a2ae74fa16a2e8b2811d585f994777d4f086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d288841734487a275cfd08710054a2ae74fa16a2e8b2811d585f994777d4f086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d288841734487a275cfd08710054a2ae74fa16a2e8b2811d585f994777d4f086", kill_on_drop: false }`
[INFO] [stdout] d288841734487a275cfd08710054a2ae74fa16a2e8b2811d585f994777d4f086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7963053c22b95535f6d97cb37a44f78445d98b25a20837ab10a9b267e67a05d4
[INFO] running `Command { std: "docker" "start" "-a" "7963053c22b95535f6d97cb37a44f78445d98b25a20837ab10a9b267e67a05d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking move_numeric_files v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_command_line`
[INFO] [stdout]   --> src/move_numeric_files/command_line/parameters.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn from_command_line() -> Parameters {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `directory`
[INFO] [stdout]   --> src/move_numeric_files/command_line/parameters.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn directory(self: &Self) -> &std::path::Path {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FileWalker`
[INFO] [stdout]  --> src/move_numeric_files/file_system/file_system_walker.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct FileWalker<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/move_numeric_files/file_system/file_system_walker.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(root: &std::path::Path) -> FileWalker {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walk`
[INFO] [stdout]   --> src/move_numeric_files/file_system/file_system_walker.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub(crate) fn walk<W>(&self, walker: &mut W) -> std::io::Result<()>
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_command_line`
[INFO] [stdout]   --> src/move_numeric_files/command_line/parameters.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn from_command_line() -> Parameters {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `directory`
[INFO] [stdout]   --> src/move_numeric_files/command_line/parameters.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn directory(self: &Self) -> &std::path::Path {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.06s
[INFO] running `Command { std: "docker" "inspect" "7963053c22b95535f6d97cb37a44f78445d98b25a20837ab10a9b267e67a05d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7963053c22b95535f6d97cb37a44f78445d98b25a20837ab10a9b267e67a05d4", kill_on_drop: false }`
[INFO] [stdout] 7963053c22b95535f6d97cb37a44f78445d98b25a20837ab10a9b267e67a05d4