[INFO] cloning repository https://github.com/mrchoung/ft_ls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrchoung/ft_ls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrchoung%2Fft_ls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrchoung%2Fft_ls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e06725717fdcc2a358db1fbef684af394f6699ae
[INFO] checking mrchoung/ft_ls against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrchoung%2Fft_ls" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrchoung/ft_ls on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mrchoung/ft_ls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] da723e3c7909604eec5c75148ff3055250555bfc1976be744e37e181e59d19a2
[INFO] running `Command { std: "docker" "start" "-a" "da723e3c7909604eec5c75148ff3055250555bfc1976be744e37e181e59d19a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da723e3c7909604eec5c75148ff3055250555bfc1976be744e37e181e59d19a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da723e3c7909604eec5c75148ff3055250555bfc1976be744e37e181e59d19a2", kill_on_drop: false }`
[INFO] [stdout] da723e3c7909604eec5c75148ff3055250555bfc1976be744e37e181e59d19a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18b4053664a6c50900421773b926452258494b92c73631f048610880ecfa120b
[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" "18b4053664a6c50900421773b926452258494b92c73631f048610880ecfa120b", kill_on_drop: false }`
[INFO] [stderr]     Checking ft_ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `collect` found for type `bool` in the current scope
[INFO] [stdout]  --> src/main.rs:5:81
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stdout]   |                                                                                 ^^^^^^^ method not found in `bool`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]           `bool: Iterator`
[INFO] [stdout]           which is required by `&mut bool: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `collect` found for type `bool` in the current scope
[INFO] [stdout]  --> src/main.rs:5:81
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stdout]   |                                                                                 ^^^^^^^ method not found in `bool`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the method `collect` exists but the following trait bounds were not satisfied:
[INFO] [stdout]           `bool: Iterator`
[INFO] [stdout]           which is required by `&mut bool: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stdout]   |                  -----------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Vec`, found struct `Map`
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  expected due to this
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<String>`
[INFO] [stdout]              found struct `Map<Args, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ft_ls`.
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let options: Vec<String> = env::args().map(|option| option.starts_with('-').collect());
[INFO] [stdout]   |                  -----------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Vec`, found struct `Map`
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  expected due to this
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<String>`
[INFO] [stdout]              found struct `Map<Args, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "18b4053664a6c50900421773b926452258494b92c73631f048610880ecfa120b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b4053664a6c50900421773b926452258494b92c73631f048610880ecfa120b", kill_on_drop: false }`
[INFO] [stdout] 18b4053664a6c50900421773b926452258494b92c73631f048610880ecfa120b
