Nov 28 14:26:17.766 INFO checking Berteun/rust-toy-list against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:26:17.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 14:26:18.036 INFO [stdout] 9919ec93d9308d048e7b3a1b43cfc177222ab326d94e6b73aff8b55e5629f390
Nov 28 14:26:18.037 INFO running `"docker" "start" "-a" "9919ec93d9308d048e7b3a1b43cfc177222ab326d94e6b73aff8b55e5629f390"`
Nov 28 14:26:18.884 INFO [stderr] usermod: no changes
Nov 28 14:26:18.933 INFO [stderr]     Checking reverse v0.1.0 (/source)
Nov 28 14:26:19.391 INFO [stderr] warning: private type `list::Node<T>` in public interface (error E0446)
Nov 28 14:26:19.392 INFO [stderr]   --> src/list/mod.rs:65:5
Nov 28 14:26:19.392 INFO [stderr]    |
Nov 28 14:26:19.392 INFO [stderr] 65 | /     pub fn first(&self) -> Option<&Node<T>>
Nov 28 14:26:19.392 INFO [stderr] 66 | |     {
Nov 28 14:26:19.392 INFO [stderr] 67 | |         match self.head
Nov 28 14:26:19.392 INFO [stderr] 68 | |         {
Nov 28 14:26:19.392 INFO [stderr] ...  |
Nov 28 14:26:19.393 INFO [stderr] 71 | |         }
Nov 28 14:26:19.393 INFO [stderr] 72 | |     }
Nov 28 14:26:19.393 INFO [stderr]    | |_____^
Nov 28 14:26:19.393 INFO [stderr]    |
Nov 28 14:26:19.393 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Nov 28 14:26:19.393 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 28 14:26:19.394 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 28 14:26:19.394 INFO [stderr] 
Nov 28 14:26:19.394 INFO [stderr] warning: private type `list::Node<T>` in public interface (error E0446)
Nov 28 14:26:19.394 INFO [stderr]   --> src/list/mod.rs:74:5
Nov 28 14:26:19.395 INFO [stderr]    |
Nov 28 14:26:19.395 INFO [stderr] 74 | /     pub fn last(&self) -> Option<&Node<T>>
Nov 28 14:26:19.395 INFO [stderr] 75 | |     {
Nov 28 14:26:19.395 INFO [stderr] 76 | |         match self.head {
Nov 28 14:26:19.396 INFO [stderr] 77 | |             Some(ref boxed_node) => Some(boxed_node.last()),
Nov 28 14:26:19.400 INFO [stderr] 78 | |             None => None
Nov 28 14:26:19.400 INFO [stderr] 79 | |         }
Nov 28 14:26:19.401 INFO [stderr] 80 | |     }
Nov 28 14:26:19.401 INFO [stderr]    | |_____^
Nov 28 14:26:19.401 INFO [stderr]    |
Nov 28 14:26:19.401 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 28 14:26:19.402 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 28 14:26:19.402 INFO [stderr] 
Nov 28 14:26:19.612 INFO [stderr] warning: private type `list::Node<T>` in public interface (error E0446)
Nov 28 14:26:19.612 INFO [stderr]   --> src/list/mod.rs:65:5
Nov 28 14:26:19.612 INFO [stderr]    |
Nov 28 14:26:19.612 INFO [stderr] 65 | /     pub fn first(&self) -> Option<&Node<T>>
Nov 28 14:26:19.612 INFO [stderr] 66 | |     {
Nov 28 14:26:19.612 INFO [stderr] 67 | |         match self.head
Nov 28 14:26:19.612 INFO [stderr] 68 | |         {
Nov 28 14:26:19.612 INFO [stderr] ...  |
Nov 28 14:26:19.612 INFO [stderr] 71 | |         }
Nov 28 14:26:19.612 INFO [stderr] 72 | |     }
Nov 28 14:26:19.612 INFO [stderr]    | |_____^
Nov 28 14:26:19.612 INFO [stderr]    |
Nov 28 14:26:19.612 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Nov 28 14:26:19.612 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 28 14:26:19.612 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 28 14:26:19.612 INFO [stderr] 
Nov 28 14:26:19.612 INFO [stderr] warning: private type `list::Node<T>` in public interface (error E0446)
Nov 28 14:26:19.612 INFO [stderr]   --> src/list/mod.rs:74:5
Nov 28 14:26:19.612 INFO [stderr]    |
Nov 28 14:26:19.612 INFO [stderr] 74 | /     pub fn last(&self) -> Option<&Node<T>>
Nov 28 14:26:19.612 INFO [stderr] 75 | |     {
Nov 28 14:26:19.612 INFO [stderr] 76 | |         match self.head {
Nov 28 14:26:19.612 INFO [stderr] 77 | |             Some(ref boxed_node) => Some(boxed_node.last()),
Nov 28 14:26:19.612 INFO [stderr] 78 | |             None => None
Nov 28 14:26:19.612 INFO [stderr] 79 | |         }
Nov 28 14:26:19.612 INFO [stderr] 80 | |     }
Nov 28 14:26:19.612 INFO [stderr]    | |_____^
Nov 28 14:26:19.612 INFO [stderr]    |
Nov 28 14:26:19.612 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 28 14:26:19.612 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 28 14:26:19.612 INFO [stderr] 
Nov 28 14:26:19.680 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 28 14:26:19.680 INFO [stderr] su: No module specific data is present
Nov 28 14:26:20.195 INFO running `"docker" "inspect" "9919ec93d9308d048e7b3a1b43cfc177222ab326d94e6b73aff8b55e5629f390"`
Nov 28 14:26:20.314 INFO running `"docker" "rm" "-f" "9919ec93d9308d048e7b3a1b43cfc177222ab326d94e6b73aff8b55e5629f390"`
Nov 28 14:26:20.460 INFO [stdout] 9919ec93d9308d048e7b3a1b43cfc177222ab326d94e6b73aff8b55e5629f390