[INFO] cloning repository https://github.com/SecondarySkyler/ap-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SecondarySkyler/ap-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecondarySkyler%2Fap-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecondarySkyler%2Fap-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 323178f0dd75243a7de9241a8a4172cdbd45d949
[INFO] testing SecondarySkyler/ap-exercises against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSecondarySkyler%2Fap-exercises" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SecondarySkyler/ap-exercises
[INFO] finished tweaking git repo https://github.com/SecondarySkyler/ap-exercises
[INFO] tweaked toml for git repo https://github.com/SecondarySkyler/ap-exercises written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SecondarySkyler/ap-exercises on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SecondarySkyler/ap-exercises 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5ca750eefa7a012039f79b153808c62ab16b5c0a77f90af4e0eb5d05bc6461a
[INFO] running `Command { std: "docker" "start" "-a" "d5ca750eefa7a012039f79b153808c62ab16b5c0a77f90af4e0eb5d05bc6461a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ca750eefa7a012039f79b153808c62ab16b5c0a77f90af4e0eb5d05bc6461a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ca750eefa7a012039f79b153808c62ab16b5c0a77f90af4e0eb5d05bc6461a", kill_on_drop: false }`
[INFO] [stdout] d5ca750eefa7a012039f79b153808c62ab16b5c0a77f90af4e0eb5d05bc6461a
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e82c62c013599c91568dd64e1dbe0f1267569e9019e1a153793d322fc3119e
[INFO] running `Command { std: "docker" "start" "-a" "34e82c62c013599c91568dd64e1dbe0f1267569e9019e1a153793d322fc3119e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.81
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/assignment2.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn build_vector(i: Iter<i32>) -> Vec<&i32> {
[INFO] [stdout]    |                        ^^^^^^^^^         ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is hidden 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] 73 | pub fn build_vector(i: Iter<'_, i32>) -> Vec<&i32> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/assignment4.rs:63:27
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn find_relatives(&self, generations: u32) -> Vec<&Person> {
[INFO] [stdout]    |                           ^^^^^                           ^^^^^^^
[INFO] [stdout]    |                           |                               ||
[INFO] [stdout]    |                           |                               |the same lifetime is hidden here
[INFO] [stdout]    |                           |                               the same lifetime is elided here
[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] 63 |     pub fn find_relatives(&self, generations: u32) -> Vec<&Person<'_>> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/assignment4.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn find_roots(&self) -> Vec<&Person> {
[INFO] [stdout]    |                       ^^^^^         ^^^^^^^
[INFO] [stdout]    |                       |             ||
[INFO] [stdout]    |                       |             |the same lifetime is hidden here
[INFO] [stdout]    |                       |             the same lifetime is elided here
[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] 86 |     pub fn find_roots(&self) -> Vec<&Person<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/assignment5.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn iter(&mut self) -> TaskIterator {
[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] 123 |     fn iter(&mut self) -> TaskIterator<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_22_11_2022.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn iter(&self) -> WrapperIterator {
[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] 36 |     fn iter(&self) -> WrapperIterator<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ds/linked_list.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn iter(&self) -> LLIter<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] 65 |     fn iter(&self) -> LLIter<'_, T> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ds/linked_list.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn iter_mut(&mut self) -> LLMutIter<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] 69 |     fn iter_mut(&mut self) -> LLMutIter<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_24_01_2023.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn iter(&self) -> WI {
[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] 30 |     fn iter(&self) -> WI<'_> {
[INFO] [stdout]    |                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_24_01_2023.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn iter(&self) -> WIV2 {
[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] 60 |     fn iter(&self) -> WIV2<'_> {
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_22_01_2024.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter(&self) -> ConsIter {
[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] 32 |     fn iter(&self) -> ConsIter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `Command { std: "docker" "inspect" "34e82c62c013599c91568dd64e1dbe0f1267569e9019e1a153793d322fc3119e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e82c62c013599c91568dd64e1dbe0f1267569e9019e1a153793d322fc3119e", kill_on_drop: false }`
[INFO] [stdout] 34e82c62c013599c91568dd64e1dbe0f1267569e9019e1a153793d322fc3119e
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e07e77e8cf7c8873124a341e732189fe69c191f5bd26d2de7b78658af88cab4
[INFO] running `Command { std: "docker" "start" "-a" "5e07e77e8cf7c8873124a341e732189fe69c191f5bd26d2de7b78658af88cab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/assignment2.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn build_vector(i: Iter<i32>) -> Vec<&i32> {
[INFO] [stdout]    |                        ^^^^^^^^^         ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is hidden 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] 73 | pub fn build_vector(i: Iter<'_, i32>) -> Vec<&i32> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/assignment4.rs:63:27
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn find_relatives(&self, generations: u32) -> Vec<&Person> {
[INFO] [stdout]    |                           ^^^^^                           ^^^^^^^
[INFO] [stdout]    |                           |                               ||
[INFO] [stdout]    |                           |                               |the same lifetime is hidden here
[INFO] [stdout]    |                           |                               the same lifetime is elided here
[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] 63 |     pub fn find_relatives(&self, generations: u32) -> Vec<&Person<'_>> {
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/assignment4.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn find_roots(&self) -> Vec<&Person> {
[INFO] [stdout]    |                       ^^^^^         ^^^^^^^
[INFO] [stdout]    |                       |             ||
[INFO] [stdout]    |                       |             |the same lifetime is hidden here
[INFO] [stdout]    |                       |             the same lifetime is elided here
[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] 86 |     pub fn find_roots(&self) -> Vec<&Person<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/assignment5.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn iter(&mut self) -> TaskIterator {
[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] 123 |     fn iter(&mut self) -> TaskIterator<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_22_11_2022.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn iter(&self) -> WrapperIterator {
[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] 36 |     fn iter(&self) -> WrapperIterator<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ds/linked_list.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn iter(&self) -> LLIter<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] 65 |     fn iter(&self) -> LLIter<'_, T> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ds/linked_list.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn iter_mut(&mut self) -> LLMutIter<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] 69 |     fn iter_mut(&mut self) -> LLMutIter<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_24_01_2023.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn iter(&self) -> WI {
[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] 30 |     fn iter(&self) -> WI<'_> {
[INFO] [stdout]    |                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_24_01_2023.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn iter(&self) -> WIV2 {
[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] 60 |     fn iter(&self) -> WIV2<'_> {
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/midterm_2_22_01_2024.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter(&self) -> ConsIter {
[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] 32 |     fn iter(&self) -> ConsIter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "5e07e77e8cf7c8873124a341e732189fe69c191f5bd26d2de7b78658af88cab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e07e77e8cf7c8873124a341e732189fe69c191f5bd26d2de7b78658af88cab4", kill_on_drop: false }`
[INFO] [stdout] 5e07e77e8cf7c8873124a341e732189fe69c191f5bd26d2de7b78658af88cab4
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac69408093f8dfe54882b6bc5f3aa281c4a27108e73f527f6c5a930b3b02d01f
[INFO] running `Command { std: "docker" "start" "-a" "ac69408093f8dfe54882b6bc5f3aa281c4a27108e73f527f6c5a930b3b02d01f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/assignment2.rs:73:24
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn build_vector(i: Iter<i32>) -> Vec<&i32> {
[INFO] [stderr]    |                        ^^^^^^^^^         ^^^^ the same lifetime is elided here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        the lifetime is hidden 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] 73 | pub fn build_vector(i: Iter<'_, i32>) -> Vec<&i32> {
[INFO] [stderr]    |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/assignment4.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn find_relatives(&self, generations: u32) -> Vec<&Person> {
[INFO] [stderr]    |                           ^^^^^                           ^^^^^^^
[INFO] [stderr]    |                           |                               ||
[INFO] [stderr]    |                           |                               |the same lifetime is hidden here
[INFO] [stderr]    |                           |                               the same lifetime is elided here
[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] 63 |     pub fn find_relatives(&self, generations: u32) -> Vec<&Person<'_>> {
[INFO] [stderr]    |                                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/assignment4.rs:86:23
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn find_roots(&self) -> Vec<&Person> {
[INFO] [stderr]    |                       ^^^^^         ^^^^^^^
[INFO] [stderr]    |                       |             ||
[INFO] [stderr]    |                       |             |the same lifetime is hidden here
[INFO] [stderr]    |                       |             the same lifetime is elided here
[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] 86 |     pub fn find_roots(&self) -> Vec<&Person<'_>> {
[INFO] [stderr]    |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/assignment5.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn iter(&mut self) -> TaskIterator {
[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] 123 |     fn iter(&mut self) -> TaskIterator<'_> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/midterm_2_22_11_2022.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn iter(&self) -> WrapperIterator {
[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] 36 |     fn iter(&self) -> WrapperIterator<'_> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ds/linked_list.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn iter(&self) -> LLIter<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] 65 |     fn iter(&self) -> LLIter<'_, T> {
[INFO] [stderr]    |                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ds/linked_list.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn iter_mut(&mut self) -> LLMutIter<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] 69 |     fn iter_mut(&mut self) -> LLMutIter<'_, T> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/midterm_2_24_01_2023.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn iter(&self) -> WI {
[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] 30 |     fn iter(&self) -> WI<'_> {
[INFO] [stderr]    |                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/midterm_2_24_01_2023.rs:60:13
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 60 |     fn iter(&self) -> WIV2 {
[INFO] [stdout] running 95 tests
[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] [stdout] test assignment3::test3::test_contains ... ok
[INFO] [stderr] 60 |     fn iter(&self) -> WIV2<'_> {
[INFO] [stdout] test assignment2::test2::test_count_characters ... ok
[INFO] [stderr]    |                           ++++
[INFO] [stdout] test assignment3::test3::test_is_it_luhn ... ok
[INFO] [stderr] 
[INFO] [stdout] test assignment1::test1::test_bigger ... ok
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] test assignment4::test4::test_find_equal ... ok
[INFO] [stderr]   --> src/midterm_2_22_01_2024.rs:32:13
[INFO] [stdout] test assignment5::test5::test_ex3 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test assignment5::test5::test_ex4 ... ok
[INFO] [stderr] 32 |     fn iter(&self) -> ConsIter {
[INFO] [stdout] test assignment5::test5::test_ex2 ... ok
[INFO] [stderr]    |             ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] test assignment5::test5::test_ex5 ... ok
[INFO] [stderr]    |             |
[INFO] [stdout] test assignment6::test6::test_ex2 ... ok
[INFO] [stderr]    |             the lifetime is elided here
[INFO] [stdout] test assignment6::test6::test_ex4 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test assignment6::test6::test_ex6 ... ok
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex10 ... ok
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex12 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test ds::bst::test_bst::test_insert ... ok
[INFO] [stderr] 32 |     fn iter(&self) -> ConsIter<'_> {
[INFO] [stderr]    |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ap` (bin "ap" test) generated 10 warnings (run `cargo fix --bin "ap" -p ap --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ap-f5bbed73cb7283b8)
[INFO] [stdout] test ds::graph::test_graph_ds::test_neighbors ... ok
[INFO] [stdout] test ds::bst::test_bst::test_search ... ok
[INFO] [stdout] test ds::graph::test_graph_ds::test_add_node ... ok
[INFO] [stdout] test assignment6::test6::test_ex3 ... ok
[INFO] [stdout] test ds::linked_list::test_ll::test_pop_head ... ok
[INFO] [stdout] test assignment6::test6::test_ex5 ... ok
[INFO] [stdout] test ds::linked_list::test_ll::test_front_insert ... ok
[INFO] [stdout] test ds::linked_list::test_ll::test_iter ... ok
[INFO] [stdout] test ds::linked_list::test_ll::test_itermut ... ok
[INFO] [stdout] test ds::linked_list::test_ll::test_size ... ok
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex16 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex7 ... ok
[INFO] [stdout] test assignment6::test6::test_ex1 ... ok
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex13 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex9 ... ok
[INFO] [stdout] test midterm_2::test_mt2::clone_double ... ok
[INFO] [stdout] test midterm_2::test_mt2::tasker ... ok
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex15 ... ok
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex11 ... ok
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex9 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex1 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex10 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex2 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex3 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex4 ... ok
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex17 ... ok
[INFO] [stdout] test midterm_2::test_mt2::test_bfs ... ok
[INFO] [stdout] test midterm_2::test_mt2::test_dll ... ok
[INFO] [stdout] test midterm_2::test_mt2::test_dll_de_iter ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex5 ... ok
[INFO] [stdout] test midterm_2::test_mt2::test_dll_iter ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex6 ... ok
[INFO] [stdout] test midterm_2::test_mt2::test_unknown ... ok
[INFO] [stdout] test midterm_2_18_11_2024::mt_2_18_11_2024::test_appendable ... ok
[INFO] [stdout] test midterm_2_18_11_2024::mt_2_18_11_2024::test_powerfull_half ... ok
[INFO] [stdout] test midterm_2::test_mt2::test_graph ... ok
[INFO] [stdout] test midterm_2_18_11_2024::mt_2_18_11_2024::test_range ... ok
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_circular ... ok
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_content ... ok
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_is_there ... ok
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_server ... ok
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_sixfold ... ok
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_tree_content ... ok
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_subtractor ... ok
[INFO] [stdout] test midterm_2_22_01_2024::mt_2_22_01_2024::test_bb_sum ... ok
[INFO] [stdout] test midterm_2_22_01_2024::mt_2_22_01_2024::test_gimme_next ... ok
[INFO] [stdout] test midterm_2_22_01_2024::mt_2_22_01_2024::test_clock ... ok
[INFO] [stdout] test midterm_2_22_01_2024::mt_2_22_01_2024::test_it ... ok
[INFO] [stdout] test midterm_2_22_01_2024::mt_2_22_01_2024::test_tree ... ok
[INFO] [stdout] test midterm_2_22_01_2024::mt_2_22_01_2024::test_wallet ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_add_ex4 ... ok
[INFO] [stdout] test midterm_11_10_2022::test_mt_2022::test_ex8 ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_ex3 ... ok
[INFO] [stdout] test midterm_2::test_mt2::test_getter_func ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_eq ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_ex1 ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_ex2 ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_graph ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_alt_ex3 ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_list_pop_back ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_list_pop_head ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_new_ex4 ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_get_ex4 ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_remove_ex4 ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_samebool ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_basic_box_inc_v2 ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_list ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_list_3 ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_list_add_rec_ ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_gimme_double ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_list_add_rec_2 ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_list_add_rec_3 ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_weird_tree ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_basic_box_inc ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_list_2 ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_wiv2 ... ok
[INFO] [stdout] test midterm_2_24_01_2023::mt_2_24_01_2023::test_wi ... ok
[INFO] [stdout] test midterm_10_10_2023::test_mt_2023::test_ex19 ... FAILED
[INFO] [stdout] test midterm_2_18_11_2024_v2::mt_2_18_11_2024_v2::test_printable ... ok
[INFO] [stdout] test midterm_2_22_11_2022::mt_2_2022::test_append_ex4 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- midterm_10_10_2023::test_mt_2023::test_ex19 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'midterm_10_10_2023::test_mt_2023::test_ex19' (56) panicked at src/midterm_10_10_2023.rs:314:25:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e2d71a75652 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e2d71a75652 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e2d71a75652 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e2d71a75652 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e2d71a864fa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e2d71a864fa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5e2d71a445d6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e2d71a445d6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e2d71a54b39 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e2d71a54b39 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e2d71a549d1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e2d71a18aee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5e2d71a18aee - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e2d71a54db2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5e2d71a54db2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e2d71a54c2a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5e2d71a50189 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e2d71a391cd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e2d71a8dc5c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e2d71a8dc22 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5e2d71a8d309 - core::option::unwrap_failed::ha98236786820a324
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/option.rs:2199:5
[INFO] [stdout]   21:     0x5e2d719e20b2 - core::option::Option<T>::unwrap::hf9db081a11c85e39
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/option.rs:1016:21
[INFO] [stdout]   22:     0x5e2d719e20b2 - ap::midterm_10_10_2023::test_mt_2023::test_ex19::h7d5c6a0d1c249115
[INFO] [stdout]                                at /opt/rustwide/workdir/src/midterm_10_10_2023.rs:314:25
[INFO] [stdout]   23:     0x5e2d719e21d7 - ap::midterm_10_10_2023::test_mt_2023::test_ex19::{{closure}}::h1494a534829527d7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/midterm_10_10_2023.rs:304:19
[INFO] [stdout]   24:     0x5e2d719c6df6 - core::ops::function::FnOnce::call_once::h24921399231db211
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5e2d71a188eb - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5e2d71a188eb - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5e2d71a2c2ba - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5e2d71a2c2ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5e2d71a2c2ba - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5e2d71a2c2ba - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5e2d71a2c2ba - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5e2d71a2c2ba - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5e2d71a2c2ba - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5e2d71a06714 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5e2d71a06714 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5e2d71a09fd2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5e2d71a09fd2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5e2d71a09fd2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5e2d71a09fd2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5e2d71a09fd2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5e2d71a09fd2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5e2d71a09fd2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5e2d71a4b41f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5e2d71a4b41f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   45:     0x70ea5135baa4 - <unknown>
[INFO] [stdout]   46:     0x70ea513e8a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     midterm_10_10_2023::test_mt_2023::test_ex19
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 94 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stderr] error: test failed, to rerun pass `--bin ap`
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac69408093f8dfe54882b6bc5f3aa281c4a27108e73f527f6c5a930b3b02d01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac69408093f8dfe54882b6bc5f3aa281c4a27108e73f527f6c5a930b3b02d01f", kill_on_drop: false }`
[INFO] [stdout] ac69408093f8dfe54882b6bc5f3aa281c4a27108e73f527f6c5a930b3b02d01f
