[INFO] fetching crate data-structures 0.1.0...
[INFO] testing data-structures-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] extracting crate data-structures 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate data-structures 0.1.0
[INFO] finished tweaking crates.io crate data-structures 0.1.0
[INFO] tweaked toml for crates.io crate data-structures 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate data-structures 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dbeaa5ed51425418a3c4dcb6842bd8f2ddbc3176bd72e9db4e196be9a3ca141
[INFO] running `Command { std: "docker" "start" "-a" "3dbeaa5ed51425418a3c4dcb6842bd8f2ddbc3176bd72e9db4e196be9a3ca141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dbeaa5ed51425418a3c4dcb6842bd8f2ddbc3176bd72e9db4e196be9a3ca141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbeaa5ed51425418a3c4dcb6842bd8f2ddbc3176bd72e9db4e196be9a3ca141", kill_on_drop: false }`
[INFO] [stdout] 3dbeaa5ed51425418a3c4dcb6842bd8f2ddbc3176bd72e9db4e196be9a3ca141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837ea80a259599bee62cc884ea637fe2046b85ef361584b3c00609bc27512628
[INFO] running `Command { std: "docker" "start" "-a" "837ea80a259599bee62cc884ea637fe2046b85ef361584b3c00609bc27512628", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt_display_linked_list::*`
[INFO] [stdout]   --> src/linked_list/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use fmt_display_linked_list::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list/linked_list.rs:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn iter_mut(&mut self) -> 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list/linked_list.rs:308:17
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn iter(&self) -> 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "837ea80a259599bee62cc884ea637fe2046b85ef361584b3c00609bc27512628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837ea80a259599bee62cc884ea637fe2046b85ef361584b3c00609bc27512628", kill_on_drop: false }`
[INFO] [stdout] 837ea80a259599bee62cc884ea637fe2046b85ef361584b3c00609bc27512628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 190b48267467fdaccdb36bd282fa2f57d9e2bc45a7189286c01c53330e3828e2
[INFO] running `Command { std: "docker" "start" "-a" "190b48267467fdaccdb36bd282fa2f57d9e2bc45a7189286c01c53330e3828e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt_display_linked_list::*`
[INFO] [stdout]   --> src/linked_list/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use fmt_display_linked_list::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list/linked_list.rs:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn iter_mut(&mut self) -> 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list/linked_list.rs:308:17
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn iter(&self) -> 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt_display_linked_list::*`
[INFO] [stdout]   --> src/linked_list/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use fmt_display_linked_list::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list/linked_list.rs:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn iter_mut(&mut self) -> 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list/linked_list.rs:308:17
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn iter(&self) -> 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "190b48267467fdaccdb36bd282fa2f57d9e2bc45a7189286c01c53330e3828e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190b48267467fdaccdb36bd282fa2f57d9e2bc45a7189286c01c53330e3828e2", kill_on_drop: false }`
[INFO] [stdout] 190b48267467fdaccdb36bd282fa2f57d9e2bc45a7189286c01c53330e3828e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bc26b53d5917af51f97c4e16b4af28d6a059cb5412b9d6e31ac7ce2c87001f1
[INFO] running `Command { std: "docker" "start" "-a" "4bc26b53d5917af51f97c4e16b4af28d6a059cb5412b9d6e31ac7ce2c87001f1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fmt_display_linked_list::*`
[INFO] [stderr]   --> src/linked_list/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub use fmt_display_linked_list::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linked_list/linked_list.rs:286:21
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn iter_mut(&mut self) -> 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linked_list/linked_list.rs:308:17
[INFO] [stderr]     |
[INFO] [stderr] 308 |     pub fn iter(&self) -> 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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 308 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `data-structures` (lib) generated 3 warnings (run `cargo fix --lib -p data-structures` to apply 3 suggestions)
[INFO] [stderr] warning: `data-structures` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/data_structures-f6d09d2e05b969c8)
[INFO] [stderr]    Doc-tests data_structures
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test linked_list::tests::delete_at_posn_test ... ok
[INFO] [stdout] test linked_list::tests::into_iter_test ... ok
[INFO] [stdout] test linked_list::tests::iter_mut_test ... ok
[INFO] [stdout] test linked_list::tests::fmt_display_test ... ok
[INFO] [stdout] test linked_list::tests::delete_where_test ... ok
[INFO] [stdout] test linked_list::tests::iter_test ... ok
[INFO] [stdout] test linked_list::tests::reverse_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::prepend (line 103) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::iter_mut (line 274) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::iter (line 293) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::delete_at_posn (line 131) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::insert (line 62) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::reverse (line 246) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::append (line 33) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::into_iter (line 315) ... FAILED
[INFO] [stdout] test src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::delete_where (line 180) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::prepend (line 103) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]    --> src/linked_list/linked_list.rs:104:11
[INFO] [stdout]     |
[INFO] [stdout] 104 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]    --> src/linked_list/linked_list.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 103 + use std::collections::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 103 + use data_structures::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::iter_mut (line 274) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]    --> src/linked_list/linked_list.rs:275:11
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]    --> src/linked_list/linked_list.rs:276:24
[INFO] [stdout]     |
[INFO] [stdout] 276 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 274 + use std::collections::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 274 + use data_structures::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::iter (line 293) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]    --> src/linked_list/linked_list.rs:294:11
[INFO] [stdout]     |
[INFO] [stdout] 294 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]    --> src/linked_list/linked_list.rs:295:24
[INFO] [stdout]     |
[INFO] [stdout] 295 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 293 + use std::collections::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 293 + use data_structures::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::delete_at_posn (line 131) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]    --> src/linked_list/linked_list.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]    --> src/linked_list/linked_list.rs:133:24
[INFO] [stdout]     |
[INFO] [stdout] 133 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 131 + use std::collections::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 131 + use data_structures::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::insert (line 62) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]   --> src/linked_list/linked_list.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]   --> src/linked_list/linked_list.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]    |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 62 + use std::collections::LinkedList;
[INFO] [stdout]    |
[INFO] [stdout] 62 + use data_structures::LinkedList;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::reverse (line 246) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]    --> src/linked_list/linked_list.rs:247:11
[INFO] [stdout]     |
[INFO] [stdout] 247 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]    --> src/linked_list/linked_list.rs:248:24
[INFO] [stdout]     |
[INFO] [stdout] 248 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 246 + use std::collections::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 246 + use data_structures::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::append (line 33) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]   --> src/linked_list/linked_list.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]   --> src/linked_list/linked_list.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]    |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 33 + use std::collections::LinkedList;
[INFO] [stdout]    |
[INFO] [stdout] 33 + use data_structures::LinkedList;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::into_iter (line 315) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]    --> src/linked_list/linked_list.rs:316:11
[INFO] [stdout]     |
[INFO] [stdout] 316 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]    --> src/linked_list/linked_list.rs:317:24
[INFO] [stdout]     |
[INFO] [stdout] 317 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 315 + use std::collections::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 315 + use data_structures::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::delete_where (line 180) stdout ----
[INFO] [stdout] error[E0433]: cannot find `linked_list_lib` in `self`
[INFO] [stdout]    --> src/linked_list/linked_list.rs:181:11
[INFO] [stdout]     |
[INFO] [stdout] 181 | use self::linked_list_lib::linked_list::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ could not find `linked_list_lib` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `LinkedList` in this scope
[INFO] [stdout]    --> src/linked_list/linked_list.rs:182:24
[INFO] [stdout]     |
[INFO] [stdout] 182 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared type `LinkedList`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 180 + use std::collections::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 180 + use data_structures::LinkedList;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::append (line 33)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::delete_at_posn (line 131)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::delete_where (line 180)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::insert (line 62)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::into_iter (line 315)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::iter (line 293)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::iter_mut (line 274)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::prepend (line 103)
[INFO] [stdout]     src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::reverse (line 246)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 9 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4bc26b53d5917af51f97c4e16b4af28d6a059cb5412b9d6e31ac7ce2c87001f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc26b53d5917af51f97c4e16b4af28d6a059cb5412b9d6e31ac7ce2c87001f1", kill_on_drop: false }`
[INFO] [stdout] 4bc26b53d5917af51f97c4e16b4af28d6a059cb5412b9d6e31ac7ce2c87001f1
