[INFO] updating cached repository https://github.com/vbe0201/protosnuff
[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] e6d1da8442b500332838a35e84e23dc75f00d778
[INFO] checking vbe0201/protosnuff against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbe0201%2Fprotosnuff" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vbe0201/protosnuff 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/vbe0201/protosnuff
[INFO] finished tweaking git repo https://github.com/vbe0201/protosnuff
[INFO] tweaked toml for git repo https://github.com/vbe0201/protosnuff written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/vbe0201/protosnuff 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-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" "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] [stdout] 2290a2fc9ad93de1775ab436bd07c6feb5ae80bdfa60b3bda966cff03e770358
[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" "2290a2fc9ad93de1775ab436bd07c6feb5ae80bdfa60b3bda966cff03e770358"`
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ansi_term v0.12.0
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking protosnuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `arguments` in this scope
[INFO] [stderr]    --> src/arguments.rs:101:35
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Ok(a) => { assert_eq!(arguments.input.to_str().unwrap(), file_name) }
[INFO] [stderr]     |                                   ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arguments`
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let arguments = match arguments::Arguments::parse(&args) {
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]  --> src/io.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn read_file<P: AsRef<Path>>(path: P) -> Result<BufReader<File>, String> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_bytes`
[INFO] [stderr]   --> src/io.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn read_bytes<R>(reader: &mut R, bytes_to_read: u64) -> Vec<u8>
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_varint`
[INFO] [stderr]  --> src/parser.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_varint<R>(reader: &mut R) -> Result<u8, ()>
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_identifier`
[INFO] [stderr]   --> src/parser.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn read_identifier<R>(reader: &mut R) -> Result<(u8, u8), String>
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/arguments.rs:98:80
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let args: Vec<String> = vec![String::from("test"), String::from("-i"), file_name];
[INFO] [stderr]    |                                                                                ^^^^^^^^^
[INFO] [stderr]    |                                                                                |
[INFO] [stderr]    |                                                                                expected struct `std::string::String`, found `&str`
[INFO] [stderr]    |                                                                                help: try using a conversion method: `file_name.to_string()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `protosnuff`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2290a2fc9ad93de1775ab436bd07c6feb5ae80bdfa60b3bda966cff03e770358"`
[INFO] running `"docker" "rm" "-f" "2290a2fc9ad93de1775ab436bd07c6feb5ae80bdfa60b3bda966cff03e770358"`
[INFO] [stdout] 2290a2fc9ad93de1775ab436bd07c6feb5ae80bdfa60b3bda966cff03e770358
