[INFO] updating cached repository https://github.com/ozyx/rsls
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4baedda5073b21de5880516402211e445ece86f
[INFO] checking ozyx/rsls against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozyx%2Frsls" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ozyx/rsls on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ozyx/rsls
[INFO] finished tweaking git repo https://github.com/ozyx/rsls
[INFO] tweaked toml for git repo https://github.com/ozyx/rsls written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ozyx/rsls already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d481d15548c785068d8895f0aadcde208faafdad874659d9d8ed1e303a65130e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d481d15548c785068d8895f0aadcde208faafdad874659d9d8ed1e303a65130e"`
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rsls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/fs/file.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct File {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_directory`
[INFO] [stderr]   --> src/fs/file.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_file`
[INFO] [stderr]   --> src/fs/file.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_hidden`
[INFO] [stderr]   --> src/fs/file.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Options`
[INFO] [stderr]  --> src/options/options.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Options {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_args`
[INFO] [stderr]   --> src/options/options.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/fs/file.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct File {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_directory`
[INFO] [stderr]   --> src/fs/file.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_file`
[INFO] [stderr]   --> src/fs/file.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_hidden`
[INFO] [stderr]   --> src/fs/file.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Options`
[INFO] [stderr]  --> src/options/options.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Options {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_args`
[INFO] [stderr]   --> src/options/options.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]  --> src/bin/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{App, Arg};
[INFO] [stderr]   |            ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]  --> src/bin/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{App, Arg};
[INFO] [stderr]   |            ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `"docker" "inspect" "d481d15548c785068d8895f0aadcde208faafdad874659d9d8ed1e303a65130e"`
[INFO] running `"docker" "rm" "-f" "d481d15548c785068d8895f0aadcde208faafdad874659d9d8ed1e303a65130e"`
[INFO] [stdout] d481d15548c785068d8895f0aadcde208faafdad874659d9d8ed1e303a65130e