Dec 17 16:19:19.625 INFO checking ryota-sakamoto/rust_study against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 17 16:19:19.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/ryota-sakamoto/rust_study:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 16:19:20.018 INFO [stdout] 0d8c625c7c323258840b926609df885a9cb791488e9458593761ea791beba96b Dec 17 16:19:20.018 INFO running `"docker" "start" "-a" "0d8c625c7c323258840b926609df885a9cb791488e9458593761ea791beba96b"` Dec 17 16:19:22.399 INFO [stderr] Checking rust_test v0.1.0 (/opt/crater/workdir) Dec 17 16:19:22.756 INFO [stderr] warning: unused macro definition Dec 17 16:19:22.757 INFO [stderr] --> src/list.rs:53:1 Dec 17 16:19:22.757 INFO [stderr] | Dec 17 16:19:22.757 INFO [stderr] 53 | / macro_rules! list { Dec 17 16:19:22.758 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 17 16:19:22.758 INFO [stderr] 55 | | { Dec 17 16:19:22.758 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 17 16:19:22.758 INFO [stderr] ... | Dec 17 16:19:22.759 INFO [stderr] 74 | | }; Dec 17 16:19:22.759 INFO [stderr] 75 | | } Dec 17 16:19:22.759 INFO [stderr] | |_^ Dec 17 16:19:22.759 INFO [stderr] | Dec 17 16:19:22.759 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 17 16:19:22.759 INFO [stderr] Dec 17 16:19:22.765 INFO [stderr] warning: unused macro definition Dec 17 16:19:22.772 INFO [stderr] --> src/list.rs:53:1 Dec 17 16:19:22.772 INFO [stderr] | Dec 17 16:19:22.772 INFO [stderr] 53 | / macro_rules! list { Dec 17 16:19:22.772 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 17 16:19:22.772 INFO [stderr] 55 | | { Dec 17 16:19:22.772 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 17 16:19:22.772 INFO [stderr] ... | Dec 17 16:19:22.772 INFO [stderr] 74 | | }; Dec 17 16:19:22.772 INFO [stderr] 75 | | } Dec 17 16:19:22.772 INFO [stderr] | |_^ Dec 17 16:19:22.772 INFO [stderr] | Dec 17 16:19:22.773 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 17 16:19:22.773 INFO [stderr] Dec 17 16:19:22.855 INFO [stderr] warning: function is never used: `call` Dec 17 16:19:22.855 INFO [stderr] --> src/module.rs:1:1 Dec 17 16:19:22.855 INFO [stderr] | Dec 17 16:19:22.855 INFO [stderr] 1 | pub fn call() { Dec 17 16:19:22.855 INFO [stderr] | ^^^^^^^^^^^^^ Dec 17 16:19:22.855 INFO [stderr] | Dec 17 16:19:22.855 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 16:19:22.855 INFO [stderr] Dec 17 16:19:22.855 INFO [stderr] warning: enum is never used: `List` Dec 17 16:19:22.855 INFO [stderr] --> src/list.rs:4:1 Dec 17 16:19:22.855 INFO [stderr] | Dec 17 16:19:22.855 INFO [stderr] 4 | pub enum List { Dec 17 16:19:22.855 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.855 INFO [stderr] Dec 17 16:19:22.855 INFO [stderr] warning: method is never used: `empty_list` Dec 17 16:19:22.855 INFO [stderr] --> src/list.rs:13:5 Dec 17 16:19:22.856 INFO [stderr] | Dec 17 16:19:22.856 INFO [stderr] 13 | pub fn empty_list() -> List { Dec 17 16:19:22.856 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.856 INFO [stderr] Dec 17 16:19:22.856 INFO [stderr] warning: method is never used: `prepend` Dec 17 16:19:22.856 INFO [stderr] --> src/list.rs:17:5 Dec 17 16:19:22.856 INFO [stderr] | Dec 17 16:19:22.856 INFO [stderr] 17 | pub fn prepend(self, t: T) -> Self { Dec 17 16:19:22.856 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.856 INFO [stderr] Dec 17 16:19:22.856 INFO [stderr] warning: method is never used: `head` Dec 17 16:19:22.857 INFO [stderr] --> src/list.rs:24:5 Dec 17 16:19:22.857 INFO [stderr] | Dec 17 16:19:22.857 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 17 16:19:22.857 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.857 INFO [stderr] Dec 17 16:19:22.857 INFO [stderr] warning: method is never used: `last` Dec 17 16:19:22.857 INFO [stderr] --> src/list.rs:31:5 Dec 17 16:19:22.857 INFO [stderr] | Dec 17 16:19:22.857 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 17 16:19:22.858 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.858 INFO [stderr] Dec 17 16:19:22.858 INFO [stderr] warning: method is never used: `is_empty` Dec 17 16:19:22.858 INFO [stderr] --> src/list.rs:44:5 Dec 17 16:19:22.858 INFO [stderr] | Dec 17 16:19:22.859 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 17 16:19:22.859 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.859 INFO [stderr] Dec 17 16:19:22.859 INFO [stderr] warning: function is never used: `tailrec` Dec 17 16:19:22.860 INFO [stderr] --> src/list.rs:87:1 Dec 17 16:19:22.860 INFO [stderr] | Dec 17 16:19:22.860 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 17 16:19:22.860 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.861 INFO [stderr] Dec 17 16:19:22.863 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:22.864 INFO [stderr] --> src/list.rs:27:26 Dec 17 16:19:22.864 INFO [stderr] | Dec 17 16:19:22.864 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 17 16:19:22.864 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.865 INFO [stderr] | | Dec 17 16:19:22.865 INFO [stderr] | help: remove this Dec 17 16:19:22.865 INFO [stderr] | Dec 17 16:19:22.865 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 17 16:19:22.866 INFO [stderr] Dec 17 16:19:22.866 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:22.866 INFO [stderr] --> src/list.rs:34:26 Dec 17 16:19:22.866 INFO [stderr] | Dec 17 16:19:22.867 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.867 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.867 INFO [stderr] | | Dec 17 16:19:22.868 INFO [stderr] | help: remove this Dec 17 16:19:22.868 INFO [stderr] Dec 17 16:19:22.868 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:22.868 INFO [stderr] --> src/list.rs:34:42 Dec 17 16:19:22.868 INFO [stderr] | Dec 17 16:19:22.868 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.868 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.869 INFO [stderr] | | Dec 17 16:19:22.869 INFO [stderr] | help: remove this Dec 17 16:19:22.869 INFO [stderr] Dec 17 16:19:22.869 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:22.869 INFO [stderr] --> src/list.rs:90:22 Dec 17 16:19:22.869 INFO [stderr] | Dec 17 16:19:22.869 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.869 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.869 INFO [stderr] | | Dec 17 16:19:22.869 INFO [stderr] | help: remove this Dec 17 16:19:22.869 INFO [stderr] Dec 17 16:19:22.869 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:22.869 INFO [stderr] --> src/list.rs:90:38 Dec 17 16:19:22.869 INFO [stderr] | Dec 17 16:19:22.869 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.869 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.869 INFO [stderr] | | Dec 17 16:19:22.869 INFO [stderr] | help: remove this Dec 17 16:19:22.869 INFO [stderr] Dec 17 16:19:22.872 INFO [stderr] warning: function is never used: `call` Dec 17 16:19:22.872 INFO [stderr] --> src/module.rs:1:1 Dec 17 16:19:22.872 INFO [stderr] | Dec 17 16:19:22.872 INFO [stderr] 1 | pub fn call() { Dec 17 16:19:22.872 INFO [stderr] | ^^^^^^^^^^^^^ Dec 17 16:19:22.872 INFO [stderr] | Dec 17 16:19:22.873 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 16:19:22.873 INFO [stderr] Dec 17 16:19:22.873 INFO [stderr] warning: enum is never used: `List` Dec 17 16:19:22.873 INFO [stderr] --> src/list.rs:4:1 Dec 17 16:19:22.873 INFO [stderr] | Dec 17 16:19:22.873 INFO [stderr] 4 | pub enum List { Dec 17 16:19:22.873 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.873 INFO [stderr] Dec 17 16:19:22.874 INFO [stderr] warning: method is never used: `empty_list` Dec 17 16:19:22.874 INFO [stderr] --> src/list.rs:13:5 Dec 17 16:19:22.874 INFO [stderr] | Dec 17 16:19:22.874 INFO [stderr] 13 | pub fn empty_list() -> List { Dec 17 16:19:22.874 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.874 INFO [stderr] Dec 17 16:19:22.874 INFO [stderr] warning: method is never used: `prepend` Dec 17 16:19:22.874 INFO [stderr] --> src/list.rs:17:5 Dec 17 16:19:22.874 INFO [stderr] | Dec 17 16:19:22.874 INFO [stderr] 17 | pub fn prepend(self, t: T) -> Self { Dec 17 16:19:22.874 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.875 INFO [stderr] Dec 17 16:19:22.875 INFO [stderr] warning: method is never used: `head` Dec 17 16:19:22.875 INFO [stderr] --> src/list.rs:24:5 Dec 17 16:19:22.875 INFO [stderr] | Dec 17 16:19:22.875 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 17 16:19:22.875 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.875 INFO [stderr] Dec 17 16:19:22.875 INFO [stderr] warning: method is never used: `last` Dec 17 16:19:22.876 INFO [stderr] --> src/list.rs:31:5 Dec 17 16:19:22.876 INFO [stderr] | Dec 17 16:19:22.876 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 17 16:19:22.876 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.876 INFO [stderr] Dec 17 16:19:22.876 INFO [stderr] warning: method is never used: `is_empty` Dec 17 16:19:22.876 INFO [stderr] --> src/list.rs:44:5 Dec 17 16:19:22.876 INFO [stderr] | Dec 17 16:19:22.876 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 17 16:19:22.876 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.876 INFO [stderr] Dec 17 16:19:22.877 INFO [stderr] warning: function is never used: `tailrec` Dec 17 16:19:22.877 INFO [stderr] --> src/list.rs:87:1 Dec 17 16:19:22.877 INFO [stderr] | Dec 17 16:19:22.877 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 17 16:19:22.877 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:22.877 INFO [stderr] Dec 17 16:19:22.908 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:22.908 INFO [stderr] --> src/list.rs:27:26 Dec 17 16:19:22.908 INFO [stderr] | Dec 17 16:19:22.908 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 17 16:19:22.908 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.908 INFO [stderr] | | Dec 17 16:19:22.908 INFO [stderr] | help: remove this Dec 17 16:19:22.909 INFO [stderr] | Dec 17 16:19:22.909 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 17 16:19:22.909 INFO [stderr] Dec 17 16:19:22.909 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:22.909 INFO [stderr] --> src/list.rs:34:26 Dec 17 16:19:22.909 INFO [stderr] | Dec 17 16:19:22.909 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.909 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.909 INFO [stderr] | | Dec 17 16:19:22.910 INFO [stderr] | help: remove this Dec 17 16:19:22.910 INFO [stderr] Dec 17 16:19:22.910 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:22.910 INFO [stderr] --> src/list.rs:34:42 Dec 17 16:19:22.910 INFO [stderr] | Dec 17 16:19:22.910 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.910 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.910 INFO [stderr] | | Dec 17 16:19:22.910 INFO [stderr] | help: remove this Dec 17 16:19:22.910 INFO [stderr] Dec 17 16:19:22.911 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:22.911 INFO [stderr] --> src/list.rs:90:22 Dec 17 16:19:22.911 INFO [stderr] | Dec 17 16:19:22.911 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.911 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.911 INFO [stderr] | | Dec 17 16:19:22.911 INFO [stderr] | help: remove this Dec 17 16:19:22.911 INFO [stderr] Dec 17 16:19:22.911 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:22.911 INFO [stderr] --> src/list.rs:90:38 Dec 17 16:19:22.911 INFO [stderr] | Dec 17 16:19:22.911 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:22.911 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:22.911 INFO [stderr] | | Dec 17 16:19:22.911 INFO [stderr] | help: remove this Dec 17 16:19:22.911 INFO [stderr] Dec 17 16:19:23.220 INFO [stderr] warning: unused macro definition Dec 17 16:19:23.220 INFO [stderr] --> src/list.rs:53:1 Dec 17 16:19:23.220 INFO [stderr] | Dec 17 16:19:23.220 INFO [stderr] 53 | / macro_rules! list { Dec 17 16:19:23.220 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 17 16:19:23.220 INFO [stderr] 55 | | { Dec 17 16:19:23.220 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 17 16:19:23.220 INFO [stderr] ... | Dec 17 16:19:23.220 INFO [stderr] 74 | | }; Dec 17 16:19:23.220 INFO [stderr] 75 | | } Dec 17 16:19:23.220 INFO [stderr] | |_^ Dec 17 16:19:23.220 INFO [stderr] | Dec 17 16:19:23.220 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 17 16:19:23.220 INFO [stderr] Dec 17 16:19:23.356 INFO [stderr] warning: unused macro definition Dec 17 16:19:23.356 INFO [stderr] --> src/list.rs:53:1 Dec 17 16:19:23.356 INFO [stderr] | Dec 17 16:19:23.356 INFO [stderr] 53 | / macro_rules! list { Dec 17 16:19:23.356 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 17 16:19:23.356 INFO [stderr] 55 | | { Dec 17 16:19:23.356 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 17 16:19:23.356 INFO [stderr] ... | Dec 17 16:19:23.356 INFO [stderr] 74 | | }; Dec 17 16:19:23.356 INFO [stderr] 75 | | } Dec 17 16:19:23.356 INFO [stderr] | |_^ Dec 17 16:19:23.356 INFO [stderr] | Dec 17 16:19:23.356 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 17 16:19:23.356 INFO [stderr] Dec 17 16:19:23.440 INFO [stderr] warning: method is never used: `head` Dec 17 16:19:23.440 INFO [stderr] --> src/list.rs:24:5 Dec 17 16:19:23.440 INFO [stderr] | Dec 17 16:19:23.440 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 17 16:19:23.440 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.440 INFO [stderr] | Dec 17 16:19:23.440 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: method is never used: `last` Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:31:5 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 17 16:19:23.441 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: method is never used: `is_empty` Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:44:5 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 17 16:19:23.441 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: function is never used: `tailrec` Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:87:1 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 17 16:19:23.441 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:27:26 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 17 16:19:23.441 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] | | Dec 17 16:19:23.441 INFO [stderr] | help: remove this Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:34:26 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.441 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] | | Dec 17 16:19:23.441 INFO [stderr] | help: remove this Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:34:42 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.441 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] | | Dec 17 16:19:23.441 INFO [stderr] | help: remove this Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:90:22 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.441 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] | | Dec 17 16:19:23.441 INFO [stderr] | help: remove this Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.441 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:23.441 INFO [stderr] --> src/list.rs:90:38 Dec 17 16:19:23.441 INFO [stderr] | Dec 17 16:19:23.441 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.441 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.441 INFO [stderr] | | Dec 17 16:19:23.441 INFO [stderr] | help: remove this Dec 17 16:19:23.441 INFO [stderr] Dec 17 16:19:23.692 INFO [stderr] warning: method is never used: `head` Dec 17 16:19:23.692 INFO [stderr] --> src/list.rs:24:5 Dec 17 16:19:23.692 INFO [stderr] | Dec 17 16:19:23.692 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 17 16:19:23.692 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.692 INFO [stderr] | Dec 17 16:19:23.692 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 16:19:23.693 INFO [stderr] Dec 17 16:19:23.693 INFO [stderr] warning: method is never used: `last` Dec 17 16:19:23.693 INFO [stderr] --> src/list.rs:31:5 Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 17 16:19:23.693 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.693 INFO [stderr] Dec 17 16:19:23.693 INFO [stderr] warning: method is never used: `is_empty` Dec 17 16:19:23.693 INFO [stderr] --> src/list.rs:44:5 Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 17 16:19:23.693 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.693 INFO [stderr] Dec 17 16:19:23.693 INFO [stderr] warning: function is never used: `tailrec` Dec 17 16:19:23.693 INFO [stderr] --> src/list.rs:87:1 Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 17 16:19:23.693 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 16:19:23.693 INFO [stderr] Dec 17 16:19:23.693 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:23.693 INFO [stderr] --> src/list.rs:27:26 Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 17 16:19:23.693 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.693 INFO [stderr] | | Dec 17 16:19:23.693 INFO [stderr] | help: remove this Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 17 16:19:23.693 INFO [stderr] Dec 17 16:19:23.693 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:23.693 INFO [stderr] --> src/list.rs:34:26 Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.693 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.693 INFO [stderr] | | Dec 17 16:19:23.693 INFO [stderr] | help: remove this Dec 17 16:19:23.693 INFO [stderr] Dec 17 16:19:23.693 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:23.693 INFO [stderr] --> src/list.rs:34:42 Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.693 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.693 INFO [stderr] | | Dec 17 16:19:23.693 INFO [stderr] | help: remove this Dec 17 16:19:23.693 INFO [stderr] Dec 17 16:19:23.693 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 17 16:19:23.693 INFO [stderr] --> src/list.rs:90:22 Dec 17 16:19:23.693 INFO [stderr] | Dec 17 16:19:23.693 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.693 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.694 INFO [stderr] | | Dec 17 16:19:23.694 INFO [stderr] | help: remove this Dec 17 16:19:23.694 INFO [stderr] Dec 17 16:19:23.694 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 17 16:19:23.694 INFO [stderr] --> src/list.rs:90:38 Dec 17 16:19:23.694 INFO [stderr] | Dec 17 16:19:23.694 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 17 16:19:23.694 INFO [stderr] | -----^^^^^^^^^ Dec 17 16:19:23.694 INFO [stderr] | | Dec 17 16:19:23.694 INFO [stderr] | help: remove this Dec 17 16:19:23.694 INFO [stderr] Dec 17 16:19:23.744 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.43s Dec 17 16:19:25.133 INFO running `"docker" "inspect" "0d8c625c7c323258840b926609df885a9cb791488e9458593761ea791beba96b"` Dec 17 16:19:25.504 INFO running `"docker" "rm" "-f" "0d8c625c7c323258840b926609df885a9cb791488e9458593761ea791beba96b"` Dec 17 16:19:25.918 INFO [stdout] 0d8c625c7c323258840b926609df885a9cb791488e9458593761ea791beba96b