[INFO] cloning repository https://github.com/Coderkakaxi/HW1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Coderkakaxi/HW1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderkakaxi%2FHW1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderkakaxi%2FHW1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91522948562acda5e174626b11d1e9e5d9d26f95
[INFO] checking Coderkakaxi/HW1 against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderkakaxi%2FHW1" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Coderkakaxi/HW1
[INFO] finished tweaking git repo https://github.com/Coderkakaxi/HW1
[INFO] tweaked toml for git repo https://github.com/Coderkakaxi/HW1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Coderkakaxi/HW1 on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Coderkakaxi/HW1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.1.1)
[INFO] [stderr]       Adding lazy_static v1.5.0
[INFO] [stderr]       Adding regex v1.12.2
[INFO] [stderr]       Adding regex-automata v0.4.13
[INFO] [stderr]       Adding regex-syntax v0.8.8
[INFO] [stderr]       Adding windows-sys v0.59.0
[INFO] [stderr]       Adding windows-targets v0.52.6
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.52.6
[INFO] [stderr]       Adding windows_aarch64_msvc v0.52.6
[INFO] [stderr]       Adding windows_i686_gnu v0.52.6
[INFO] [stderr]       Adding windows_i686_gnullvm v0.52.6
[INFO] [stderr]       Adding windows_i686_msvc v0.52.6
[INFO] [stderr]       Adding windows_x86_64_gnu v0.52.6
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.52.6
[INFO] [stderr]       Adding windows_x86_64_msvc v0.52.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab3e5e589384535b777e3b3b5aeb1f1e2563f38a58dd70f4508c598e957578cc
[INFO] running `Command { std: "docker" "start" "-a" "ab3e5e589384535b777e3b3b5aeb1f1e2563f38a58dd70f4508c598e957578cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3e5e589384535b777e3b3b5aeb1f1e2563f38a58dd70f4508c598e957578cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3e5e589384535b777e3b3b5aeb1f1e2563f38a58dd70f4508c598e957578cc", kill_on_drop: false }`
[INFO] [stdout] ab3e5e589384535b777e3b3b5aeb1f1e2563f38a58dd70f4508c598e957578cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc6c341f2bb2b3074c35c18aed0361f46485566889690f46ba493ef1512d646f
[INFO] running `Command { std: "docker" "start" "-a" "cc6c341f2bb2b3074c35c18aed0361f46485566889690f46ba493ef1512d646f", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking myfind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find type `Optional` in this scope
[INFO] [stdout]  --> src/walk_tree.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     opt: &Optional,
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  --> /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/core/src/option.rs:600:0
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named enum `Option` defined here
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 8 -     opt: &Optional,
[INFO] [stdout] 8 +     opt: &Option,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Optional` in this scope
[INFO] [stdout]  --> src/walk_tree.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     opt: &Optional,
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  --> /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/core/src/option.rs:600:0
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named enum `Option` defined here
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 8 -     opt: &Optional,
[INFO] [stdout] 8 +     opt: &Option,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `verbose` in this scope
[INFO] [stdout]   --> src/main.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |     match search::find(&args[1], &regex, verbose) {
[INFO] [stdout]    |                                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `verbose` in this scope
[INFO] [stdout]   --> src/main.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |     match search::find(&args[1], &regex, verbose) {
[INFO] [stdout]    |                                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `walk_tree::walk_tree`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use walk_tree::walk_tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `walk_tree::walk_tree`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use walk_tree::walk_tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `search`
[INFO] [stdout]   --> src/main.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     match search::find(&args[1], &regex, verbose) {
[INFO] [stdout]    |           ^^^^^^ use of unresolved module or unlinked crate `search`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `search`, use `cargo add search` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `search`
[INFO] [stdout]   --> src/main.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     match search::find(&args[1], &regex, verbose) {
[INFO] [stdout]    |           ^^^^^^ use of unresolved module or unlinked crate `search`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `search`, use `cargo add search` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |             if matches.is_empty() {
[INFO] [stdout]    |                ^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |             if matches.is_empty() {
[INFO] [stdout]    |                ^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Optional`
[INFO] [stdout]   --> src/walk_tree.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |                         Optional::D => path.is_dir(),
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `Optional`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 21 -                         Optional::D => path.is_dir(),
[INFO] [stdout] 21 +                         Option::D => path.is_dir(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Optional`
[INFO] [stdout]   --> src/walk_tree.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |                         Optional::F => path.is_file(),
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `Optional`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 22 -                         Optional::F => path.is_file(),
[INFO] [stdout] 22 +                         Option::F => path.is_file(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Optional`
[INFO] [stdout]   --> src/walk_tree.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                         Optional::N => true,
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `Optional`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 23 -                         Optional::N => true,
[INFO] [stdout] 23 +                         Option::N => true,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Optional`
[INFO] [stdout]   --> src/walk_tree.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |                         Optional::D => path.is_dir(),
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `Optional`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 21 -                         Optional::D => path.is_dir(),
[INFO] [stdout] 21 +                         Option::D => path.is_dir(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Optional`
[INFO] [stdout]   --> src/walk_tree.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |                         Optional::F => path.is_file(),
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `Optional`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 22 -                         Optional::F => path.is_file(),
[INFO] [stdout] 22 +                         Option::F => path.is_file(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Optional`
[INFO] [stdout]   --> src/walk_tree.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                         Optional::N => true,
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `Optional`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 23 -                         Optional::N => true,
[INFO] [stdout] 23 +                         Option::N => true,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `myfind` (bin "myfind" test) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `myfind` (bin "myfind") due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cc6c341f2bb2b3074c35c18aed0361f46485566889690f46ba493ef1512d646f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6c341f2bb2b3074c35c18aed0361f46485566889690f46ba493ef1512d646f", kill_on_drop: false }`
[INFO] [stdout] cc6c341f2bb2b3074c35c18aed0361f46485566889690f46ba493ef1512d646f
