[INFO] updating cached repository https://github.com/reitermarkus/lndir
[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] d9bfb37cb8904ce190c9f990ffaef5357b7389a7
[INFO] checking reitermarkus/lndir against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freitermarkus%2Flndir" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reitermarkus/lndir on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/reitermarkus/lndir
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/reitermarkus/lndir
[INFO] tweaked toml for git repo https://github.com/reitermarkus/lndir written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/reitermarkus/lndir already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96e2a46548d061329b67c56d38603f5bd7f1a5c7c5f7c125a20e205d3f0c48b8
[INFO] running `"docker" "start" "-a" "96e2a46548d061329b67c56d38603f5bd7f1a5c7c5f7c125a20e205d3f0c48b8"`
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking lndir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking regex v1.0.1
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/argument_error.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |   cause: Option<Box<Error>>,
[INFO] [stderr]   |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/argument_error.rs:10:65
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub fn new<S: Into<String>>(description: S, cause: Option<Box<Error>>) -> Self {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/argument_error.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut entries = entries(&source, 1, options.max_depth)?;
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/bin/lndir.rs:39:85
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 format!("failed to parse -maxdepth argument \"{}\": {}", value, err.description()),
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking gherkin_rust v0.3.0
[INFO] [stderr]     Checking cucumber_rust v0.3.3
[INFO] [stderr] error[E0635]: unknown feature `fnbox`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cucumber_rust-0.3.3/src/lib.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![feature(fnbox)]
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `cucumber_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "96e2a46548d061329b67c56d38603f5bd7f1a5c7c5f7c125a20e205d3f0c48b8"`
[INFO] running `"docker" "rm" "-f" "96e2a46548d061329b67c56d38603f5bd7f1a5c7c5f7c125a20e205d3f0c48b8"`
[INFO] [stdout] 96e2a46548d061329b67c56d38603f5bd7f1a5c7c5f7c125a20e205d3f0c48b8
