[INFO] fetching crate highroller 0.1.0...
[INFO] testing highroller-0.1.0 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate highroller 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate highroller 0.1.0
[INFO] finished tweaking crates.io crate highroller 0.1.0
[INFO] tweaked toml for crates.io crate highroller 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate highroller 0.1.0 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1448ffab6df8b233f94fc25f94fb5c83972f43db6ad985d1dccea622832f2e
[INFO] running `Command { std: "docker" "start" "-a" "5b1448ffab6df8b233f94fc25f94fb5c83972f43db6ad985d1dccea622832f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1448ffab6df8b233f94fc25f94fb5c83972f43db6ad985d1dccea622832f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1448ffab6df8b233f94fc25f94fb5c83972f43db6ad985d1dccea622832f2e", kill_on_drop: false }`
[INFO] [stdout] 5b1448ffab6df8b233f94fc25f94fb5c83972f43db6ad985d1dccea622832f2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c737fd3023a3d06aff3a2214e657dd78ed48263479d3c1763d9016b13b92ab9c
[INFO] running `Command { std: "docker" "start" "-a" "c737fd3023a3d06aff3a2214e657dd78ed48263479d3c1763d9016b13b92ab9c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling highroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c737fd3023a3d06aff3a2214e657dd78ed48263479d3c1763d9016b13b92ab9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c737fd3023a3d06aff3a2214e657dd78ed48263479d3c1763d9016b13b92ab9c", kill_on_drop: false }`
[INFO] [stdout] c737fd3023a3d06aff3a2214e657dd78ed48263479d3c1763d9016b13b92ab9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 799112a9dff6c652b7efe7756c3bf102be53034929b4ba6c9a530d0cda796a0d
[INFO] running `Command { std: "docker" "start" "-a" "799112a9dff6c652b7efe7756c3bf102be53034929b4ba6c9a530d0cda796a0d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling highroller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:418:16
[INFO] [stdout]     |
[INFO] [stdout] 418 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:423:21
[INFO] [stdout]     |
[INFO] [stdout] 423 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:437:17
[INFO] [stdout]     |
[INFO] [stdout] 437 |             for i in 0..count {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:451:16
[INFO] [stdout]     |
[INFO] [stdout] 451 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:456:21
[INFO] [stdout]     |
[INFO] [stdout] 456 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:505:16
[INFO] [stdout]     |
[INFO] [stdout] 505 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:510:21
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:632:16
[INFO] [stdout]     |
[INFO] [stdout] 632 |             Ok(lock_guard) => {
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock_guard`
[INFO] [stdout]    --> src/lib.rs:637:21
[INFO] [stdout]     |
[INFO] [stdout] 637 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "799112a9dff6c652b7efe7756c3bf102be53034929b4ba6c9a530d0cda796a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799112a9dff6c652b7efe7756c3bf102be53034929b4ba6c9a530d0cda796a0d", kill_on_drop: false }`
[INFO] [stdout] 799112a9dff6c652b7efe7756c3bf102be53034929b4ba6c9a530d0cda796a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d4092b4ef36beec57647bec8be1a34c2bd429400fd3eacc635501792666cc50
[INFO] running `Command { std: "docker" "start" "-a" "9d4092b4ef36beec57647bec8be1a34c2bd429400fd3eacc635501792666cc50", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:418:16
[INFO] [stderr]     |
[INFO] [stderr] 418 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:423:21
[INFO] [stderr]     |
[INFO] [stderr] 423 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:437:17
[INFO] [stderr]     |
[INFO] [stderr] 437 |             for i in 0..count {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:451:16
[INFO] [stderr]     |
[INFO] [stderr] 451 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:456:21
[INFO] [stderr]     |
[INFO] [stderr] 456 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:505:16
[INFO] [stderr]     |
[INFO] [stderr] 505 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:510:21
[INFO] [stderr]     |
[INFO] [stderr] 510 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:632:16
[INFO] [stderr]     |
[INFO] [stderr] 632 |             Ok(lock_guard) => {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lock_guard`
[INFO] [stderr]    --> src/lib.rs:637:21
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 let lock_guard = poisoned_lock.into_inner();
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lock_guard`
[INFO] [stderr] 
[INFO] [stderr] warning: `highroller` (lib test) generated 9 warnings (run `cargo fix --lib -p highroller --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/highroller-bef8b4c9b86399ad)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_rolling_index_linearity ... ok
[INFO] [stdout] test tests::test_u16_overflow_panic - should panic ... ok
[INFO] [stdout] test tests::test_rolling_index_generation_multithreaded ... ok
[INFO] [stdout] test tests::test_rolling_index_generation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests highroller
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 157) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 157) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `highroller::RUID`
[INFO] [stdout]    --> src/lib.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | use highroller::RUID;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ no `RUID` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:80:20
[INFO] [stdout]     |
[INFO] [stdout]  79 |         #[cfg(all(feature = "ruid_type"))]
[INFO] [stdout]     |                   --------------------- the item is gated behind the `ruid_type` feature
[INFO] [stdout]  80 |         pub struct RUID {
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 | declare_rolling_idx!(u16, u16::MAX);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `declare_rolling_idx` (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 E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 66) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/lib.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | use rand::Rng;
[INFO] [stdout]    |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   --> src/lib.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |                   ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         id: highroller::rolling_idx(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found `u16`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |   champions.push(champion);
[INFO] [stdout]     |             ---- ^^^^^^^^ expected `Fighter`, found `&Fighter`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: `Fighter` does not implement `Clone`, so `&Fighter` was cloned instead
[INFO] [stdout]    --> src/lib.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let champion = arena_fighters.iter()
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 110 | |     .map(|&id| fighters.iter().find(|fighter| fighter.id == id).unwrap())
[INFO] [stdout] 111 | |     .max_by_key(|fighter| fighter.power)
[INFO] [stdout] 112 | |     .unwrap()
[INFO] [stdout]     | |_____________^
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/vec/mod.rs:2578:11
[INFO] [stdout] help: consider annotating `Fighter` with `#[derive(Clone)]`
[INFO] [stdout]     |
[INFO] [stdout]  72 + #[derive(Clone)]
[INFO] [stdout]  73 | struct Fighter {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 157)
[INFO] [stdout]     src/lib.rs - (line 66)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9d4092b4ef36beec57647bec8be1a34c2bd429400fd3eacc635501792666cc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4092b4ef36beec57647bec8be1a34c2bd429400fd3eacc635501792666cc50", kill_on_drop: false }`
[INFO] [stdout] 9d4092b4ef36beec57647bec8be1a34c2bd429400fd3eacc635501792666cc50
