[INFO] fetching crate data-structures 0.1.0...
[INFO] testing data-structures-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate data-structures 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate data-structures 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9d86664cc1bfeca39fcc1b17c76b1f7580df5de56f7e6f256e4b7021cd04c7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9d86664cc1bfeca39fcc1b17c76b1f7580df5de56f7e6f256e4b7021cd04c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d86664cc1bfeca39fcc1b17c76b1f7580df5de56f7e6f256e4b7021cd04c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d86664cc1bfeca39fcc1b17c76b1f7580df5de56f7e6f256e4b7021cd04c7e", kill_on_drop: false }`
[INFO] [stdout] e9d86664cc1bfeca39fcc1b17c76b1f7580df5de56f7e6f256e4b7021cd04c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c53e04abcc28ddbc5712c2e6970d86627a3c132ba5b8e697a12dd0f755d42715
[INFO] running `Command { std: "docker" "start" "-a" "c53e04abcc28ddbc5712c2e6970d86627a3c132ba5b8e697a12dd0f755d42715", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "c53e04abcc28ddbc5712c2e6970d86627a3c132ba5b8e697a12dd0f755d42715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53e04abcc28ddbc5712c2e6970d86627a3c132ba5b8e697a12dd0f755d42715", kill_on_drop: false }`
[INFO] [stdout] c53e04abcc28ddbc5712c2e6970d86627a3c132ba5b8e697a12dd0f755d42715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4569be48090efe9380317f034f898045f98962b9680bb8ba3dc4f8d2ec97cd96
[INFO] running `Command { std: "docker" "start" "-a" "4569be48090efe9380317f034f898045f98962b9680bb8ba3dc4f8d2ec97cd96", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "4569be48090efe9380317f034f898045f98962b9680bb8ba3dc4f8d2ec97cd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4569be48090efe9380317f034f898045f98962b9680bb8ba3dc4f8d2ec97cd96", kill_on_drop: false }`
[INFO] [stdout] 4569be48090efe9380317f034f898045f98962b9680bb8ba3dc4f8d2ec97cd96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f80811393cba652bc0659f47ce1e1f31a9e2a165f29373e3879129633abb72ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f80811393cba652bc0659f47ce1e1f31a9e2a165f29373e3879129633abb72ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/data_structures-8899b397c9d2bdc0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test linked_list::tests::delete_at_posn_test ... ok
[INFO] [stdout] test linked_list::tests::iter_test ... ok
[INFO] [stdout] test linked_list::tests::iter_mut_test ... ok
[INFO] [stdout] test linked_list::tests::into_iter_test ... ok
[INFO] [stdout] test linked_list::tests::fmt_display_test ... ok
[INFO] [stderr]    Doc-tests data-structures
[INFO] [stdout] test linked_list::tests::delete_where_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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[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>::delete_where (line 180) ... 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>::iter (line 293) ... 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>::prepend (line 103) ... 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>::iter_mut (line 274) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/linked_list/linked_list.rs - linked_list::linked_list::LinkedList<T>::insert (line 62) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:63:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:64:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:247:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:248:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:181:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:182:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:316:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:317:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:294:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:295:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:34:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:35:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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>::prepend (line 103) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:104:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:105:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:132:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:133:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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]: failed to resolve: could not find `linked_list_lib` in the crate root
[INFO] [stdout]  --> src/linked_list/linked_list.rs:275:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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]: failed to resolve: use of undeclared type `LinkedList`
[INFO] [stdout]  --> src/linked_list/linked_list.rs:276:24
[INFO] [stdout]   |
[INFO] [stdout] 4 |  let mut linked_list = LinkedList::<i32>::new();
[INFO] [stdout]   |                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use data_structures::LinkedList;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::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 0.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f80811393cba652bc0659f47ce1e1f31a9e2a165f29373e3879129633abb72ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80811393cba652bc0659f47ce1e1f31a9e2a165f29373e3879129633abb72ee", kill_on_drop: false }`
[INFO] [stdout] f80811393cba652bc0659f47ce1e1f31a9e2a165f29373e3879129633abb72ee