[INFO] updating cached repository https://github.com/mrchoung/ft_ls
[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] e06725717fdcc2a358db1fbef684af394f6699ae
[INFO] checking mrchoung/ft_ls against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrchoung%2Fft_ls" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrchoung/ft_ls on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mrchoung/ft_ls
[INFO] finished tweaking git repo https://github.com/mrchoung/ft_ls
[INFO] tweaked toml for git repo https://github.com/mrchoung/ft_ls written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mrchoung/ft_ls already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 2a067f61a92a72c4da93cf3b65706bdf4b253de2b0cc8979d84e85f4039c1979
[INFO] running `"docker" "start" "-a" "2a067f61a92a72c4da93cf3b65706bdf4b253de2b0cc8979d84e85f4039c1979"`
[INFO] [stderr]     Checking ft_ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `collect` found for type `bool` in the current scope
[INFO] [stderr]  --> src/main.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stderr]   |                                                                                 ^^^^^^^ method not found in `bool`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stderr]           `&mut bool : std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/main.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `std::iter::Map`
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected type `std::vec::Vec<std::string::String>`
[INFO] [stderr]              found type `std::iter::Map<std::env::Args, _>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `ft_ls`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `collect` found for type `bool` in the current scope
[INFO] [stderr]  --> src/main.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stderr]   |                                                                                 ^^^^^^^ method not found in `bool`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stderr]           `&mut bool : std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/main.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `std::iter::Map`
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected type `std::vec::Vec<std::string::String>`
[INFO] [stderr]              found type `std::iter::Map<std::env::Args, _>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `ft_ls`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2a067f61a92a72c4da93cf3b65706bdf4b253de2b0cc8979d84e85f4039c1979"`
[INFO] running `"docker" "rm" "-f" "2a067f61a92a72c4da93cf3b65706bdf4b253de2b0cc8979d84e85f4039c1979"`
[INFO] [stdout] 2a067f61a92a72c4da93cf3b65706bdf4b253de2b0cc8979d84e85f4039c1979