[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 try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[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 f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.29.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.3.1
[INFO] [stderr]   Downloaded winapi v0.3.2
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.3.1
[INFO] [stderr]   Downloaded users v0.6.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e0d35113b84992cb7bd299b889956e2c5a78185d115102decfbd46682464483
[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" "8e0d35113b84992cb7bd299b889956e2c5a78185d115102decfbd46682464483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e0d35113b84992cb7bd299b889956e2c5a78185d115102decfbd46682464483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0d35113b84992cb7bd299b889956e2c5a78185d115102decfbd46682464483", kill_on_drop: false }`
[INFO] [stdout] 8e0d35113b84992cb7bd299b889956e2c5a78185d115102decfbd46682464483
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f900ea9c298f38aee14607c3d8a1df55746d21e7888dd5fa1080032c494f0e
[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" "63f900ea9c298f38aee14607c3d8a1df55746d21e7888dd5fa1080032c494f0e", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking time v0.1.38
[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 chrono v0.4.0
[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: 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: 3 warnings emitted
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "63f900ea9c298f38aee14607c3d8a1df55746d21e7888dd5fa1080032c494f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f900ea9c298f38aee14607c3d8a1df55746d21e7888dd5fa1080032c494f0e", kill_on_drop: false }`
[INFO] [stdout] 63f900ea9c298f38aee14607c3d8a1df55746d21e7888dd5fa1080032c494f0e