[INFO] fetching crate dynalist 0.1.0...
[INFO] checking dynalist-0.1.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate dynalist 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate dynalist 0.1.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynalist 0.1.0
[INFO] finished tweaking crates.io crate dynalist 0.1.0
[INFO] tweaked toml for crates.io crate dynalist 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c597484b8a2ec2cdf4d6ccafc1e371550f188f190a21181697a45013ae02b10
[INFO] running `Command { std: "docker" "start" "-a" "7c597484b8a2ec2cdf4d6ccafc1e371550f188f190a21181697a45013ae02b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c597484b8a2ec2cdf4d6ccafc1e371550f188f190a21181697a45013ae02b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c597484b8a2ec2cdf4d6ccafc1e371550f188f190a21181697a45013ae02b10", kill_on_drop: false }`
[INFO] [stdout] 7c597484b8a2ec2cdf4d6ccafc1e371550f188f190a21181697a45013ae02b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d6711d4fe2b190db6bff11519d9421c51b8dcd39cb37bcc315cfde51e4dc3c5
[INFO] running `Command { std: "docker" "start" "-a" "4d6711d4fe2b190db6bff11519d9421c51b8dcd39cb37bcc315cfde51e4dc3c5", kill_on_drop: false }`
[INFO] [stderr]     Checking dynalist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/xorlist.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |           let node : Box<Node<U, T>> = box Node {
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 16 | |             link: Raw::null(),
[INFO] [stdout] 17 | |             data: val
[INFO] [stdout] 18 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 15 ~         let node : Box<Node<U, T>> = Box::new(Node {
[INFO] [stdout] 16 +             link: Raw::null(),
[INFO] [stdout] 17 +             data: val
[INFO] [stdout] 18 ~         });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/xorlist.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |           let node : Box<Node<U, T>> = box Node {
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 16 | |             link: Raw::null(),
[INFO] [stdout] 17 | |             data: val
[INFO] [stdout] 18 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 15 ~         let node : Box<Node<U, T>> = Box::new(Node {
[INFO] [stdout] 16 +             link: Raw::null(),
[INFO] [stdout] 17 +             data: val
[INFO] [stdout] 18 ~         });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::into_raw`
[INFO] [stdout]  --> src/xorlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::boxed::into_raw;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `into_raw` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::into_raw`
[INFO] [stdout]  --> src/xorlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::boxed::into_raw;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `into_raw` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]  --> src/xorlist.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::{PhantomData, Unsize};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]   = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:667:20
[INFO] [stdout]     |
[INFO] [stdout] 667 | impl<U: ?Sized, T: Unsize<U>> iter::FromIterator<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 | impl<U: ?Sized, T: Unsize<U>> Extend<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new<U: Unsize<T>>(val: U) -> Box<Node<T>> {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn push_back<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn push_front<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:484:29
[INFO] [stdout]     |
[INFO] [stdout] 484 |     pub fn insert_before<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:514:28
[INFO] [stdout]     |
[INFO] [stdout] 514 |     pub fn insert_after<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]  --> src/xorlist.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::{PhantomData, Unsize};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]   = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:667:20
[INFO] [stdout]     |
[INFO] [stdout] 667 | impl<U: ?Sized, T: Unsize<U>> iter::FromIterator<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 | impl<U: ?Sized, T: Unsize<U>> Extend<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new<U: Unsize<T>>(val: U) -> Box<Node<T>> {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn push_back<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn push_front<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:484:29
[INFO] [stdout]     |
[INFO] [stdout] 484 |     pub fn insert_before<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:514:28
[INFO] [stdout]     |
[INFO] [stdout] 514 |     pub fn insert_after<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:711:32
[INFO] [stdout]     |
[INFO] [stdout] 711 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 711 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:768:36
[INFO] [stdout]     |
[INFO] [stdout] 768 |             let mut list : XorList<Debug> = XorList::new();
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 768 |             let mut list : XorList<dyn Debug> = XorList::new();
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:787:32
[INFO] [stdout]     |
[INFO] [stdout] 787 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 787 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:803:32
[INFO] [stdout]     |
[INFO] [stdout] 803 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 803 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:847:32
[INFO] [stdout]     |
[INFO] [stdout] 847 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 847 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:857:36
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynalist` (lib) due to 12 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 11 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynalist` (lib test) due to 12 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4d6711d4fe2b190db6bff11519d9421c51b8dcd39cb37bcc315cfde51e4dc3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6711d4fe2b190db6bff11519d9421c51b8dcd39cb37bcc315cfde51e4dc3c5", kill_on_drop: false }`
[INFO] [stdout] 4d6711d4fe2b190db6bff11519d9421c51b8dcd39cb37bcc315cfde51e4dc3c5
[INFO] checking dynalist-0.1.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate dynalist 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate dynalist 0.1.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynalist 0.1.0
[INFO] finished tweaking crates.io crate dynalist 0.1.0
[INFO] tweaked toml for crates.io crate dynalist 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4b378c0e2de07e7530989f6b2d25da96b81b060a45980069a204187a0d35f56
[INFO] running `Command { std: "docker" "start" "-a" "a4b378c0e2de07e7530989f6b2d25da96b81b060a45980069a204187a0d35f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4b378c0e2de07e7530989f6b2d25da96b81b060a45980069a204187a0d35f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b378c0e2de07e7530989f6b2d25da96b81b060a45980069a204187a0d35f56", kill_on_drop: false }`
[INFO] [stdout] a4b378c0e2de07e7530989f6b2d25da96b81b060a45980069a204187a0d35f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32d3e92ecf0f7867a8504c962cb16751db80b850894d1ffaece667f9c75dba7e
[INFO] running `Command { std: "docker" "start" "-a" "32d3e92ecf0f7867a8504c962cb16751db80b850894d1ffaece667f9c75dba7e", kill_on_drop: false }`
[INFO] [stderr]     Checking dynalist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/xorlist.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |           let node : Box<Node<U, T>> = box Node {
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 16 | |             link: Raw::null(),
[INFO] [stdout] 17 | |             data: val
[INFO] [stdout] 18 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 15 ~         let node : Box<Node<U, T>> = Box::new(Node {
[INFO] [stdout] 16 +             link: Raw::null(),
[INFO] [stdout] 17 +             data: val
[INFO] [stdout] 18 ~         });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/xorlist.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |           let node : Box<Node<U, T>> = box Node {
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 16 | |             link: Raw::null(),
[INFO] [stdout] 17 | |             data: val
[INFO] [stdout] 18 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 15 ~         let node : Box<Node<U, T>> = Box::new(Node {
[INFO] [stdout] 16 +             link: Raw::null(),
[INFO] [stdout] 17 +             data: val
[INFO] [stdout] 18 ~         });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::into_raw`
[INFO] [stdout]  --> src/xorlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::boxed::into_raw;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `into_raw` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::into_raw`
[INFO] [stdout]  --> src/xorlist.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::boxed::into_raw;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `into_raw` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]  --> src/xorlist.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::{PhantomData, Unsize};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]   = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:667:20
[INFO] [stdout]     |
[INFO] [stdout] 667 | impl<U: ?Sized, T: Unsize<U>> iter::FromIterator<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 | impl<U: ?Sized, T: Unsize<U>> Extend<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new<U: Unsize<T>>(val: U) -> Box<Node<T>> {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn push_back<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn push_front<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:484:29
[INFO] [stdout]     |
[INFO] [stdout] 484 |     pub fn insert_before<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:514:28
[INFO] [stdout]     |
[INFO] [stdout] 514 |     pub fn insert_after<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]  --> src/xorlist.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::{PhantomData, Unsize};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]   = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:667:20
[INFO] [stdout]     |
[INFO] [stdout] 667 | impl<U: ?Sized, T: Unsize<U>> iter::FromIterator<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:675:20
[INFO] [stdout]     |
[INFO] [stdout] 675 | impl<U: ?Sized, T: Unsize<U>> Extend<T> for XorList<U> {
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new<U: Unsize<T>>(val: U) -> Box<Node<T>> {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn push_back<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]   --> src/xorlist.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn push_front<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]    = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:484:29
[INFO] [stdout]     |
[INFO] [stdout] 484 |     pub fn insert_before<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stdout]    --> src/xorlist.rs:514:28
[INFO] [stdout]     |
[INFO] [stdout] 514 |     pub fn insert_after<U: Unsize<T>>(&self, val: U) {
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #18598 <https://github.com/rust-lang/rust/issues/18598> for more information
[INFO] [stdout]     = help: add `#![feature(unsize)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:711:32
[INFO] [stdout]     |
[INFO] [stdout] 711 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 711 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:768:36
[INFO] [stdout]     |
[INFO] [stdout] 768 |             let mut list : XorList<Debug> = XorList::new();
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 768 |             let mut list : XorList<dyn Debug> = XorList::new();
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:787:32
[INFO] [stdout]     |
[INFO] [stdout] 787 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 787 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:803:32
[INFO] [stdout]     |
[INFO] [stdout] 803 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 803 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:847:32
[INFO] [stdout]     |
[INFO] [stdout] 847 |         let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 847 |         let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xorlist.rs:857:36
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let mut list : XorList<Display> = XorList::new();
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 857 |             let mut list : XorList<dyn Display> = XorList::new();
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynalist` (lib) due to 12 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 11 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynalist` (lib test) due to 12 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "32d3e92ecf0f7867a8504c962cb16751db80b850894d1ffaece667f9c75dba7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d3e92ecf0f7867a8504c962cb16751db80b850894d1ffaece667f9c75dba7e", kill_on_drop: false }`
[INFO] [stdout] 32d3e92ecf0f7867a8504c962cb16751db80b850894d1ffaece667f9c75dba7e
