[INFO] cloning repository https://github.com/wassimans/algorithmic-thinking-Zingaro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wassimans/algorithmic-thinking-Zingaro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwassimans%2Falgorithmic-thinking-Zingaro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwassimans%2Falgorithmic-thinking-Zingaro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b20d0b7b444e5426439e03258fc58b47336a315e
[INFO] testing wassimans/algorithmic-thinking-Zingaro against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwassimans%2Falgorithmic-thinking-Zingaro" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wassimans/algorithmic-thinking-Zingaro
[INFO] finished tweaking git repo https://github.com/wassimans/algorithmic-thinking-Zingaro
[INFO] tweaked toml for git repo https://github.com/wassimans/algorithmic-thinking-Zingaro written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wassimans/algorithmic-thinking-Zingaro on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wassimans/algorithmic-thinking-Zingaro 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2fff0f2a31c58dd47cf7051f18153e1713168d94ad4213f14912541252e5bd9
[INFO] running `Command { std: "docker" "start" "-a" "e2fff0f2a31c58dd47cf7051f18153e1713168d94ad4213f14912541252e5bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2fff0f2a31c58dd47cf7051f18153e1713168d94ad4213f14912541252e5bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fff0f2a31c58dd47cf7051f18153e1713168d94ad4213f14912541252e5bd9", kill_on_drop: false }`
[INFO] [stdout] e2fff0f2a31c58dd47cf7051f18153e1713168d94ad4213f14912541252e5bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5855b749e63c2dcea588d968bfe4ed3cb0c5a8ba6e1dbbfa4620aa5dab8ad237
[INFO] running `Command { std: "docker" "start" "-a" "5855b749e63c2dcea588d968bfe4ed3cb0c5a8ba6e1dbbfa4620aa5dab8ad237", kill_on_drop: false }`
[INFO] [stderr]    Compiling queue v0.0.0 (/opt/rustwide/workdir/queue)
[INFO] [stderr]    Compiling hashmap v0.1.0 (/opt/rustwide/workdir/hashmap)
[INFO] [stderr]    Compiling stack v0.0.0 (/opt/rustwide/workdir/stack)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack/src/stack.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<T>> {
[INFO] [stdout]     |                 ^^^^^                    ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack/src/stack.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<T>> {
[INFO] [stdout]     |                     ^^^^^^^^^                    ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<'_, T>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5855b749e63c2dcea588d968bfe4ed3cb0c5a8ba6e1dbbfa4620aa5dab8ad237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5855b749e63c2dcea588d968bfe4ed3cb0c5a8ba6e1dbbfa4620aa5dab8ad237", kill_on_drop: false }`
[INFO] [stdout] 5855b749e63c2dcea588d968bfe4ed3cb0c5a8ba6e1dbbfa4620aa5dab8ad237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed2f8285058cedfefb2af8f66d54186cf21b9365f74b5eef97a482b17bbf683
[INFO] running `Command { std: "docker" "start" "-a" "7ed2f8285058cedfefb2af8f66d54186cf21b9365f74b5eef97a482b17bbf683", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack/src/stack.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<T>> {
[INFO] [stdout]     |                 ^^^^^                    ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack/src/stack.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<T>> {
[INFO] [stdout]     |                     ^^^^^^^^^                    ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<'_, T>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stack v0.0.0 (/opt/rustwide/workdir/stack)
[INFO] [stderr]    Compiling queue v0.0.0 (/opt/rustwide/workdir/queue)
[INFO] [stderr]    Compiling hashmap v0.1.0 (/opt/rustwide/workdir/hashmap)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack/src/stack.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<T>> {
[INFO] [stdout]     |                 ^^^^^                    ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> stack/src/stack.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<T>> {
[INFO] [stdout]     |                     ^^^^^^^^^                    ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<'_, T>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "7ed2f8285058cedfefb2af8f66d54186cf21b9365f74b5eef97a482b17bbf683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed2f8285058cedfefb2af8f66d54186cf21b9365f74b5eef97a482b17bbf683", kill_on_drop: false }`
[INFO] [stdout] 7ed2f8285058cedfefb2af8f66d54186cf21b9365f74b5eef97a482b17bbf683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7211aa152f9356f8d6fc2e888cb0b4b11a010f98060330455f857e87d19dda0
[INFO] running `Command { std: "docker" "start" "-a" "a7211aa152f9356f8d6fc2e888cb0b4b11a010f98060330455f857e87d19dda0", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> stack/src/stack.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<T>> {
[INFO] [stderr]     |                 ^^^^^                    ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn iter(&self) -> std::iter::Rev<std::slice::Iter<'_, T>> {
[INFO] [stderr]     |                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> stack/src/stack.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<T>> {
[INFO] [stderr]     |                     ^^^^^^^^^                    ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn iter_mut(&mut self) -> std::iter::Rev<std::slice::IterMut<'_, T>> {
[INFO] [stderr]     |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `stack` (lib) generated 2 warnings (run `cargo fix --lib -p stack` to apply 2 suggestions)
[INFO] [stderr] warning: `stack` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashmap-0867002558604330)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test hasher::test::test_hasher ... ok
[INFO] [stdout] test hasher::test::test_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/queue-a073186ed0f26a37)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test queue::tests::test_basic_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stack-b35bb5ba2745643c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test stack::tests::test_basic_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hashmap
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests queue
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test queue/src/queue.rs - queue (line 19) ... FAILED
[INFO] [stdout] test queue/src/queue.rs - queue (line 36) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- queue/src/queue.rs - queue (line 19) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `my_crate`
[INFO] [stdout]   --> queue/src/queue.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use my_crate::Queue;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `my_crate`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `my_crate`, use `cargo add my_crate` to add it to your `Cargo.toml`
[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] ---- queue/src/queue.rs - queue (line 36) stdout ----
[INFO] [stdout] error[E0423]: expected value, found crate `queue`
[INFO] [stdout]   --> queue/src/queue.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | for value in &queue {}       // Immutable borrow
[INFO] [stdout]    |               ^^^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found crate `queue`
[INFO] [stdout]   --> queue/src/queue.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | for value in &mut queue {}   // Mutable borrow
[INFO] [stdout]    |                   ^^^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found crate `queue`
[INFO] [stdout]   --> queue/src/queue.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 | for value in queue {}
[INFO] [stdout]    |              ^^^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     queue/src/queue.rs - queue (line 19)
[INFO] [stdout]     queue/src/queue.rs - queue (line 36)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.23s; merged doctests compilation took 0.10s
[INFO] [stderr] error: doctest failed, to rerun pass `-p queue --doc`
[INFO] running `Command { std: "docker" "inspect" "a7211aa152f9356f8d6fc2e888cb0b4b11a010f98060330455f857e87d19dda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7211aa152f9356f8d6fc2e888cb0b4b11a010f98060330455f857e87d19dda0", kill_on_drop: false }`
[INFO] [stdout] a7211aa152f9356f8d6fc2e888cb0b4b11a010f98060330455f857e87d19dda0
