[INFO] cloning repository https://github.com/royaldark/rust-ls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/royaldark/rust-ls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyaldark%2Frust-ls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyaldark%2Frust-ls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2956c7e05ad15ffd6f6eb2e89667e536c9d1b9a8
[INFO] checking royaldark/rust-ls against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froyaldark%2Frust-ls" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/royaldark/rust-ls on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/royaldark/rust-ls
[INFO] finished tweaking git repo https://github.com/royaldark/rust-ls
[INFO] tweaked toml for git repo https://github.com/royaldark/rust-ls written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/royaldark/rust-ls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] 66cbcbf556ebdee2119dbc81fa42962ff1ec964b5ee01ebcaa0a1f2832fe0e3c
[INFO] running `Command { std: "docker" "start" "-a" "66cbcbf556ebdee2119dbc81fa42962ff1ec964b5ee01ebcaa0a1f2832fe0e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66cbcbf556ebdee2119dbc81fa42962ff1ec964b5ee01ebcaa0a1f2832fe0e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cbcbf556ebdee2119dbc81fa42962ff1ec964b5ee01ebcaa0a1f2832fe0e3c", kill_on_drop: false }`
[INFO] [stdout] 66cbcbf556ebdee2119dbc81fa42962ff1ec964b5ee01ebcaa0a1f2832fe0e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66716b7ff3726e119c2cae3d61b7789ce0c23af2ea3284acbe3f48d0e1b954b0
[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" "66716b7ff3726e119c2cae3d61b7789ce0c23af2ea3284acbe3f48d0e1b954b0", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking users v0.6.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/fs.rs:86:74
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let message = format!("cannot access '{}': {}", input, e.description());
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/fs.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn to_fs_entries(dir: &FsEntry, dir_entries: &Vec<fs::DirEntry>, opts: &LsOptions) -> Vec<FsEntry> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_implied_dirs`
[INFO] [stdout]   --> src/fs.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn add_implied_dirs(dir: &str, fs_entries: &mut Vec<FsEntry>) -> () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/fs.rs:86:74
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let message = format!("cannot access '{}': {}", input, e.description());
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/fs.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn to_fs_entries(dir: &FsEntry, dir_entries: &Vec<fs::DirEntry>, opts: &LsOptions) -> Vec<FsEntry> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_implied_dirs`
[INFO] [stdout]   --> src/fs.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn add_implied_dirs(dir: &str, fs_entries: &mut Vec<FsEntry>) -> () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66716b7ff3726e119c2cae3d61b7789ce0c23af2ea3284acbe3f48d0e1b954b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66716b7ff3726e119c2cae3d61b7789ce0c23af2ea3284acbe3f48d0e1b954b0", kill_on_drop: false }`
[INFO] [stdout] 66716b7ff3726e119c2cae3d61b7789ce0c23af2ea3284acbe3f48d0e1b954b0