[INFO] cloning repository https://github.com/eightys3v3n/word_processor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eightys3v3n/word_processor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightys3v3n%2Fword_processor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightys3v3n%2Fword_processor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee2f968432de5ec55d0c86825131db03043c170e
[INFO] checking eightys3v3n/word_processor against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightys3v3n%2Fword_processor" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eightys3v3n/word_processor on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eightys3v3n/word_processor
[INFO] finished tweaking git repo https://github.com/eightys3v3n/word_processor
[INFO] tweaked toml for git repo https://github.com/eightys3v3n/word_processor written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/eightys3v3n/word_processor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0f66fe4ffb9752acc27a87f7fe38e6af145b71c6656a63837ebed54e810d211
[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" "d0f66fe4ffb9752acc27a87f7fe38e6af145b71c6656a63837ebed54e810d211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f66fe4ffb9752acc27a87f7fe38e6af145b71c6656a63837ebed54e810d211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f66fe4ffb9752acc27a87f7fe38e6af145b71c6656a63837ebed54e810d211", kill_on_drop: false }`
[INFO] [stdout] d0f66fe4ffb9752acc27a87f7fe38e6af145b71c6656a63837ebed54e810d211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb13ddb27e97b70e0470a14eed565f8950b2aae2b54fc8fe4acc389be5a24092
[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" "eb13ddb27e97b70e0470a14eed565f8950b2aae2b54fc8fe4acc389be5a24092", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking word_processor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/file_system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file_system.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 why.description()
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_contains_symbols`
[INFO] [stdout]   --> src/processors.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn remove_contains_symbols(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_lacking_symbols`
[INFO] [stdout]   --> src/processors.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn remove_lacking_symbols(words: Vec<String>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file_system.rs:250:71
[INFO] [stdout]     |
[INFO] [stdout] 250 |             Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file_system.rs:255:73
[INFO] [stdout]     |
[INFO] [stdout] 255 |             Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file_system.rs:265:21
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 why.description()
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/file_system.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 why.description()
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/processors.rs:352:27
[INFO] [stdout]     |
[INFO] [stdout] 352 |         let prefix: str = "John ";
[INFO] [stdout]     |                     ---   ^^^^^^^ expected `str`, found `&str`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     expected due to this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0618]: expected function, found `str`
[INFO] [stdout]    --> src/processors.rs:353:22
[INFO] [stdout]     |
[INFO] [stdout] 352 |         let prefix: str = "John ";
[INFO] [stdout]     |             ------ `prefix` has type `str`
[INFO] [stdout] 353 |         let result = prefix(prefix, words);
[INFO] [stdout]     |                      ^^^^^^---------------
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      call expression requires function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/processors.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 352 |         let prefix: str = "John ";
[INFO] [stdout]     |             ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0618.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `word_processor` due to 4 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "eb13ddb27e97b70e0470a14eed565f8950b2aae2b54fc8fe4acc389be5a24092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb13ddb27e97b70e0470a14eed565f8950b2aae2b54fc8fe4acc389be5a24092", kill_on_drop: false }`
[INFO] [stdout] eb13ddb27e97b70e0470a14eed565f8950b2aae2b54fc8fe4acc389be5a24092
