[INFO] fetching crate lodash_rust 0.1.2...
[INFO] testing lodash_rust-0.1.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate lodash_rust 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lodash_rust 0.1.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lodash_rust 0.1.2
[INFO] finished tweaking crates.io crate lodash_rust 0.1.2
[INFO] tweaked toml for crates.io crate lodash_rust 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa6919d241f257a48803f409adc33e3f1d8d7ea60119e4046d148652e122b49d
[INFO] running `Command { std: "docker" "start" "-a" "aa6919d241f257a48803f409adc33e3f1d8d7ea60119e4046d148652e122b49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa6919d241f257a48803f409adc33e3f1d8d7ea60119e4046d148652e122b49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6919d241f257a48803f409adc33e3f1d8d7ea60119e4046d148652e122b49d", kill_on_drop: false }`
[INFO] [stdout] aa6919d241f257a48803f409adc33e3f1d8d7ea60119e4046d148652e122b49d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b62a1814ce419dfed973dfccc508e33dcf17f28a45825e380ce376529d50ee8
[INFO] running `Command { std: "docker" "start" "-a" "9b62a1814ce419dfed973dfccc508e33dcf17f28a45825e380ce376529d50ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling lodash_rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "9b62a1814ce419dfed973dfccc508e33dcf17f28a45825e380ce376529d50ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b62a1814ce419dfed973dfccc508e33dcf17f28a45825e380ce376529d50ee8", kill_on_drop: false }`
[INFO] [stdout] 9b62a1814ce419dfed973dfccc508e33dcf17f28a45825e380ce376529d50ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf2be4804a3412f88399357d0382d860bca615e32f161fcc3a03e85ba0f7399
[INFO] running `Command { std: "docker" "start" "-a" "daf2be4804a3412f88399357d0382d860bca615e32f161fcc3a03e85ba0f7399", kill_on_drop: false }`
[INFO] [stderr]    Compiling lodash_rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/find_last_index.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub struct Person {
[INFO] [stdout]    |                ------ field in this struct
[INFO] [stdout] 49 |         pub name: String,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "daf2be4804a3412f88399357d0382d860bca615e32f161fcc3a03e85ba0f7399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf2be4804a3412f88399357d0382d860bca615e32f161fcc3a03e85ba0f7399", kill_on_drop: false }`
[INFO] [stdout] daf2be4804a3412f88399357d0382d860bca615e32f161fcc3a03e85ba0f7399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2339e180dd411c2e4524e41ed2aeb5ab107d5a62bd302f1cea278db09c5bb6ce
[INFO] running `Command { std: "docker" "start" "-a" "2339e180dd411c2e4524e41ed2aeb5ab107d5a62bd302f1cea278db09c5bb6ce", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/find_last_index.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub struct Person {
[INFO] [stderr]    |                ------ field in this struct
[INFO] [stderr] 49 |         pub name: String,
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lodash_rust` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lodash_rust-d506d55ab687c264)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test drop::test_new ... ok
[INFO] [stdout] test capitalize::test_new ... ok
[INFO] [stdout] test difference::test_new ... ok
[INFO] [stdout] test drop_right::test_new ... ok
[INFO] [stdout] test drop_right_while::test_new ... ok
[INFO] [stdout] test drop_while::test_new ... ok
[INFO] [stdout] test every::test_new ... ok
[INFO] [stdout] test every_value::test_new ... ok
[INFO] [stdout] test filter::test_new ... ok
[INFO] [stdout] test find_last::test_new ... ok
[INFO] [stdout] test find_key::test_new ... ok
[INFO] [stdout] test find_last_index::test_new ... ok
[INFO] [stdout] test upper_first::test_new ... ok
[INFO] [stdout] test lower_case::test_new ... ok
[INFO] [stdout] test upper_case::test_new ... ok
[INFO] [stdout] test kebab_case::test_new ... ok
[INFO] [stdout] test start_case::test_new ... ok
[INFO] [stdout] test snake_case::test_new ... ok
[INFO] [stdout] test camel_case::test_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lodash_rust
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/drop.rs - drop (line 4) ... FAILED
[INFO] [stdout] test src/drop_right_while.rs - drop_right_while (line 5) ... FAILED
[INFO] [stdout] test src/difference.rs - difference (line 8) ... FAILED
[INFO] [stdout] test src/drop_right.rs - drop_right (line 4) ... FAILED
[INFO] [stdout] test src/drop_while.rs - drop_while (line 5) ... FAILED
[INFO] [stdout] test src/every_value.rs - every_value (line 10) ... FAILED
[INFO] [stdout] test src/find_key.rs - find_key (line 5) ... FAILED
[INFO] [stdout] test src/filter.rs - filter (line 5) ... FAILED
[INFO] [stdout] test src/find_last_index.rs - find_last_index (line 7) ... FAILED
[INFO] [stdout] test src/find_last.rs - find_last (line 5) ... FAILED
[INFO] [stdout] test src/kebab_case.rs - kebab_case (line 6) ... FAILED
[INFO] [stdout] test src/lower_case.rs - lower_case (line 4) ... FAILED
[INFO] [stdout] test src/start_case.rs - start_case (line 4) ... FAILED
[INFO] [stdout] test src/upper_case.rs - upper_case (line 4) ... FAILED
[INFO] [stdout] test src/snake_case.rs - snake_case (line 4) ... FAILED
[INFO] [stdout] test src/upper_first.rs - upper_first (line 4) ... FAILED
[INFO] [stdout] test src/every.rs - every (line 9) ... ok
[INFO] [stdout] test src/capitalize.rs - capitalize (line 4) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/camel_case.rs - camel_case (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/drop.rs - drop (line 4) stdout ----
[INFO] [stdout] error[E0277]: `Vec<{integer}>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/drop.rs:10:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |  println!("{res}") // []
[INFO] [stdout]   |            ^^^^^ `Vec<{integer}>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Vec<{integer}>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/drop_right_while.rs - drop_right_while (line 5) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `new` in this scope
[INFO] [stdout]  --> src/drop_right_while.rs:10:34
[INFO] [stdout]   |
[INFO] [stdout] 7 |  let res = drop_right_while::new(new([1, 2, 3, 4].to_vec(), &|x: i32| x > 2));
[INFO] [stdout]   |                                  ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 4 + use drop_right_while::new;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use lodash_rust::camel_case::new;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use lodash_rust::capitalize::new;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use lodash_rust::difference::new;
[INFO] [stdout]   |
[INFO] [stdout]     and 15 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/drop_right_while.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 7  |  let res = drop_right_while::new(new([1, 2, 3, 4].to_vec(), &|x: i32| x > 2));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^--------------------------------------------- an argument of type `&dyn Fn(_) -> bool` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/drop_right_while.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn new<T: Copy>(array: Vec<T>, f: &dyn Fn(T) -> bool) -> Vec<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 7  |  let res = drop_right_while::new(new([1, 2, 3, 4].to_vec(), &|x: i32| x > 2), /* f */);
[INFO] [stdout]    |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Vec<_>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/drop_right_while.rs:11:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |  println!("{res}") // [1, 2]
[INFO] [stdout]   |            ^^^^^ `Vec<_>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Vec<_>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/difference.rs - difference (line 8) stdout ----
[INFO] [stdout] error[E0277]: `Vec<{integer}>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/difference.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |  println!("{res}") // [1]
[INFO] [stdout]    |            ^^^^^ `Vec<{integer}>` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Vec<{integer}>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/drop_right.rs - drop_right (line 4) stdout ----
[INFO] [stdout] error[E0277]: `Vec<{integer}>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/drop_right.rs:10:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |  println!("{res}") // [1]
[INFO] [stdout]   |            ^^^^^ `Vec<{integer}>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Vec<{integer}>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/drop_while.rs - drop_while (line 5) stdout ----
[INFO] [stdout] error[E0277]: `Vec<i32>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/drop_while.rs:11:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |  println!("{res}") // [3, 4]
[INFO] [stdout]   |            ^^^^^ `Vec<i32>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Vec<i32>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/every_value.rs - every_value (line 10) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `HashMap` in this scope
[INFO] [stdout]  --> src/every_value.rs:15:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |    let mut map: HashMap<char, u64> = HashMap::new();
[INFO] [stdout]   |                 ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::collections::HashMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HashMap`
[INFO] [stdout]  --> src/every_value.rs:15:38
[INFO] [stdout]   |
[INFO] [stdout] 7 |    let mut map: HashMap<char, u64> = HashMap::new();
[INFO] [stdout]   |                                      ^^^^^^^ use of undeclared type `HashMap`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::collections::HashMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/find_key.rs - find_key (line 5) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `HashMap` in this scope
[INFO] [stdout]  --> src/find_key.rs:10:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |    let mut map: HashMap<char, u64> = HashMap::new();
[INFO] [stdout]   |                 ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::collections::HashMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HashMap`
[INFO] [stdout]  --> src/find_key.rs:10:38
[INFO] [stdout]   |
[INFO] [stdout] 7 |    let mut map: HashMap<char, u64> = HashMap::new();
[INFO] [stdout]   |                                      ^^^^^^^ use of undeclared type `HashMap`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::collections::HashMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<_>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/find_key.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |    println!("{res}") // Some('c')
[INFO] [stdout]    |              ^^^^^ `Option<_>` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Option<_>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/filter.rs - filter (line 5) stdout ----
[INFO] [stdout] error[E0277]: `Vec<i32>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/filter.rs:11:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |  println!("{res}") // [1, 2]
[INFO] [stdout]   |            ^^^^^ `Vec<i32>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Vec<i32>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/find_last_index.rs - find_last_index (line 7) stdout ----
[INFO] [stdout] error: expected `;`, found `println`
[INFO] [stdout]   --> src/find_last_index.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 26 | let res = find_last_index::new(&all_persons, is_older_than_20)
[INFO] [stdout]    |                                                               ^ help: add `;` here
[INFO] [stdout] 27 | println!("{res}") // Some(2)
[INFO] [stdout]    | ------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<usize>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/find_last_index.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | println!("{res}") // Some(2)
[INFO] [stdout]    |           ^^^^^ `Option<usize>` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Option<usize>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/find_last.rs - find_last (line 5) stdout ----
[INFO] [stdout] error[E0277]: `Option<i32>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/find_last.rs:11:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |  println!("{res}") // Some(3)
[INFO] [stdout]   |            ^^^^^ `Option<i32>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Option<i32>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/kebab_case.rs - kebab_case (line 6) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/kebab_case.rs:11:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |  let value = String::from("Foo Bar")
[INFO] [stdout]   |                                     ^ help: add `;` here
[INFO] [stdout] 8 |  let res = kebab_case::new(value);
[INFO] [stdout]   |  --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/kebab_case.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = kebab_case::new(value);
[INFO] [stdout]    |            --------------- ^^^^^ expected `&str`, found `String`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/kebab_case.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn new(s: &str) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = kebab_case::new(&value);
[INFO] [stdout]    |                            +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lower_case.rs - lower_case (line 4) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/lower_case.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 7 |  let value = String::from("--foo-bar--")
[INFO] [stdout]   |                                         ^ help: add `;` here
[INFO] [stdout] 8 |  let res = lower_case::new(value);
[INFO] [stdout]   |  --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lower_case.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = lower_case::new(value);
[INFO] [stdout]    |            --------------- ^^^^^ expected `&str`, found `String`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lower_case.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn new(s: &str) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = lower_case::new(&value);
[INFO] [stdout]    |                            +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/start_case.rs - start_case (line 4) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/start_case.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 7 |  let value = String::from("--foo-bar--")
[INFO] [stdout]   |                                         ^ help: add `;` here
[INFO] [stdout] 8 |  let res = start_case::new(value);
[INFO] [stdout]   |  --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/start_case.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = start_case::new(value);
[INFO] [stdout]    |            --------------- ^^^^^ expected `&str`, found `String`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/start_case.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn new(s: &str) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = start_case::new(&value);
[INFO] [stdout]    |                            +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/upper_case.rs - upper_case (line 4) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/upper_case.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 7 |  let value = String::from("--foo-bar--")
[INFO] [stdout]   |                                         ^ help: add `;` here
[INFO] [stdout] 8 |  let res = upper_case::new(value);
[INFO] [stdout]   |  --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/upper_case.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = upper_case::new(value);
[INFO] [stdout]    |            --------------- ^^^^^ expected `&str`, found `String`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/upper_case.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn new(s: &str) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = upper_case::new(&value);
[INFO] [stdout]    |                            +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/snake_case.rs - snake_case (line 4) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/snake_case.rs:9:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |  let value = String::from("Foo Bar")
[INFO] [stdout]   |                                     ^ help: add `;` here
[INFO] [stdout] 8 |  let res = snake_case::new(value);
[INFO] [stdout]   |  --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/snake_case.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = snake_case::new(value);
[INFO] [stdout]    |            --------------- ^^^^^ expected `&str`, found `String`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/snake_case.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn new(s: &str) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = snake_case::new(&value);
[INFO] [stdout]    |                            +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/upper_first.rs - upper_first (line 4) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]  --> src/upper_first.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |  let value = String::from("foo")
[INFO] [stdout]   |                                 ^ help: add `;` here
[INFO] [stdout] 8 |  let res = upper_first::new(value);
[INFO] [stdout]   |  --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/upper_first.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = upper_first::new(value);
[INFO] [stdout]    |            ---------------- ^^^^^ expected `&str`, found `String`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/upper_first.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn new(s: &str) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 8  |  let res = upper_first::new(&value);
[INFO] [stdout]    |                             +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/difference.rs - difference (line 8)
[INFO] [stdout]     src/drop.rs - drop (line 4)
[INFO] [stdout]     src/drop_right.rs - drop_right (line 4)
[INFO] [stdout]     src/drop_right_while.rs - drop_right_while (line 5)
[INFO] [stdout]     src/drop_while.rs - drop_while (line 5)
[INFO] [stdout]     src/every_value.rs - every_value (line 10)
[INFO] [stdout]     src/filter.rs - filter (line 5)
[INFO] [stdout]     src/find_key.rs - find_key (line 5)
[INFO] [stdout]     src/find_last.rs - find_last (line 5)
[INFO] [stdout]     src/find_last_index.rs - find_last_index (line 7)
[INFO] [stdout]     src/kebab_case.rs - kebab_case (line 6)
[INFO] [stdout]     src/lower_case.rs - lower_case (line 4)
[INFO] [stdout]     src/snake_case.rs - snake_case (line 4)
[INFO] [stdout]     src/start_case.rs - start_case (line 4)
[INFO] [stdout]     src/upper_case.rs - upper_case (line 4)
[INFO] [stdout]     src/upper_first.rs - upper_first (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 16 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2339e180dd411c2e4524e41ed2aeb5ab107d5a62bd302f1cea278db09c5bb6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2339e180dd411c2e4524e41ed2aeb5ab107d5a62bd302f1cea278db09c5bb6ce", kill_on_drop: false }`
[INFO] [stdout] 2339e180dd411c2e4524e41ed2aeb5ab107d5a62bd302f1cea278db09c5bb6ce
