Dec 13 04:48:20.568 INFO testing ryota-sakamoto/rust_study against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550 Dec 13 04:48:20.568 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"` Dec 13 04:48:21.003 INFO [stdout] 2c75c0502efc87e5f7db53936e3cbeacd1d796cccb2ae4dc5640919f9c46bd21 Dec 13 04:48:21.004 INFO running `"docker" "start" "-a" "2c75c0502efc87e5f7db53936e3cbeacd1d796cccb2ae4dc5640919f9c46bd21"` Dec 13 04:48:22.167 INFO [stderr] usermod: no changes Dec 13 04:48:22.263 INFO [stderr] Compiling rust_test v0.1.0 (/source) Dec 13 04:48:22.559 INFO [stderr] warning: unused macro definition Dec 13 04:48:22.559 INFO [stderr] --> src/list.rs:53:1 Dec 13 04:48:22.559 INFO [stderr] | Dec 13 04:48:22.559 INFO [stderr] 53 | / macro_rules! list { Dec 13 04:48:22.559 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 13 04:48:22.559 INFO [stderr] 55 | | { Dec 13 04:48:22.559 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 13 04:48:22.559 INFO [stderr] ... | Dec 13 04:48:22.559 INFO [stderr] 74 | | }; Dec 13 04:48:22.559 INFO [stderr] 75 | | } Dec 13 04:48:22.559 INFO [stderr] | |_^ Dec 13 04:48:22.559 INFO [stderr] | Dec 13 04:48:22.559 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 13 04:48:22.559 INFO [stderr] Dec 13 04:48:22.587 INFO [stderr] warning: function is never used: `call` Dec 13 04:48:22.587 INFO [stderr] --> src/module.rs:1:1 Dec 13 04:48:22.587 INFO [stderr] | Dec 13 04:48:22.587 INFO [stderr] 1 | pub fn call() { Dec 13 04:48:22.587 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 04:48:22.587 INFO [stderr] | Dec 13 04:48:22.587 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 04:48:22.587 INFO [stderr] Dec 13 04:48:22.593 INFO [stderr] warning: enum is never used: `List` Dec 13 04:48:22.593 INFO [stderr] --> src/list.rs:4:1 Dec 13 04:48:22.593 INFO [stderr] | Dec 13 04:48:22.593 INFO [stderr] 4 | pub enum List { Dec 13 04:48:22.593 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:22.593 INFO [stderr] Dec 13 04:48:22.593 INFO [stderr] warning: method is never used: `empty_list` Dec 13 04:48:22.593 INFO [stderr] --> src/list.rs:13:5 Dec 13 04:48:22.593 INFO [stderr] | Dec 13 04:48:22.593 INFO [stderr] 13 | pub fn empty_list() -> List { Dec 13 04:48:22.593 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:22.593 INFO [stderr] Dec 13 04:48:22.593 INFO [stderr] warning: method is never used: `prepend` Dec 13 04:48:22.593 INFO [stderr] --> src/list.rs:17:5 Dec 13 04:48:22.593 INFO [stderr] | Dec 13 04:48:22.593 INFO [stderr] 17 | pub fn prepend(self, t: T) -> Self { Dec 13 04:48:22.593 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:22.593 INFO [stderr] Dec 13 04:48:22.593 INFO [stderr] warning: method is never used: `head` Dec 13 04:48:22.593 INFO [stderr] --> src/list.rs:24:5 Dec 13 04:48:22.593 INFO [stderr] | Dec 13 04:48:22.593 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 13 04:48:22.593 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:22.593 INFO [stderr] Dec 13 04:48:22.593 INFO [stderr] warning: method is never used: `last` Dec 13 04:48:22.593 INFO [stderr] --> src/list.rs:31:5 Dec 13 04:48:22.593 INFO [stderr] | Dec 13 04:48:22.593 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 13 04:48:22.593 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:22.593 INFO [stderr] Dec 13 04:48:22.593 INFO [stderr] warning: method is never used: `is_empty` Dec 13 04:48:22.593 INFO [stderr] --> src/list.rs:44:5 Dec 13 04:48:22.593 INFO [stderr] | Dec 13 04:48:22.593 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 13 04:48:22.593 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:22.593 INFO [stderr] Dec 13 04:48:22.593 INFO [stderr] warning: function is never used: `tailrec` Dec 13 04:48:22.593 INFO [stderr] --> src/list.rs:87:1 Dec 13 04:48:22.593 INFO [stderr] | Dec 13 04:48:22.593 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 13 04:48:22.593 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:22.593 INFO [stderr] Dec 13 04:48:22.607 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:22.607 INFO [stderr] --> src/list.rs:27:26 Dec 13 04:48:22.607 INFO [stderr] | Dec 13 04:48:22.607 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 13 04:48:22.607 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:22.607 INFO [stderr] | | Dec 13 04:48:22.607 INFO [stderr] | help: remove this Dec 13 04:48:22.607 INFO [stderr] | Dec 13 04:48:22.607 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 13 04:48:22.607 INFO [stderr] Dec 13 04:48:22.607 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:22.607 INFO [stderr] --> src/list.rs:34:26 Dec 13 04:48:22.607 INFO [stderr] | Dec 13 04:48:22.607 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:22.607 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:22.607 INFO [stderr] | | Dec 13 04:48:22.607 INFO [stderr] | help: remove this Dec 13 04:48:22.607 INFO [stderr] Dec 13 04:48:22.607 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:22.607 INFO [stderr] --> src/list.rs:34:42 Dec 13 04:48:22.607 INFO [stderr] | Dec 13 04:48:22.607 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:22.607 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:22.607 INFO [stderr] | | Dec 13 04:48:22.607 INFO [stderr] | help: remove this Dec 13 04:48:22.607 INFO [stderr] Dec 13 04:48:22.607 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:22.607 INFO [stderr] --> src/list.rs:90:22 Dec 13 04:48:22.607 INFO [stderr] | Dec 13 04:48:22.607 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:22.607 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:22.607 INFO [stderr] | | Dec 13 04:48:22.607 INFO [stderr] | help: remove this Dec 13 04:48:22.607 INFO [stderr] Dec 13 04:48:22.607 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:22.607 INFO [stderr] --> src/list.rs:90:38 Dec 13 04:48:22.607 INFO [stderr] | Dec 13 04:48:22.607 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:22.607 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:22.607 INFO [stderr] | | Dec 13 04:48:22.607 INFO [stderr] | help: remove this Dec 13 04:48:22.607 INFO [stderr] Dec 13 04:48:22.918 INFO [stderr] warning: unused macro definition Dec 13 04:48:22.922 INFO [stderr] --> src/list.rs:53:1 Dec 13 04:48:22.923 INFO [stderr] | Dec 13 04:48:22.923 INFO [stderr] 53 | / macro_rules! list { Dec 13 04:48:22.923 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 13 04:48:22.923 INFO [stderr] 55 | | { Dec 13 04:48:22.923 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 13 04:48:22.923 INFO [stderr] ... | Dec 13 04:48:22.923 INFO [stderr] 74 | | }; Dec 13 04:48:22.923 INFO [stderr] 75 | | } Dec 13 04:48:22.923 INFO [stderr] | |_^ Dec 13 04:48:22.923 INFO [stderr] | Dec 13 04:48:22.923 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 13 04:48:22.923 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: method is never used: `head` Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:24:5 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 13 04:48:23.039 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 04:48:23.039 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: method is never used: `last` Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:31:5 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 13 04:48:23.039 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:23.039 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: method is never used: `is_empty` Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:44:5 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 13 04:48:23.039 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:23.039 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: function is never used: `tailrec` Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:87:1 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 13 04:48:23.039 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:23.039 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:27:26 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 13 04:48:23.039 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:23.039 INFO [stderr] | | Dec 13 04:48:23.039 INFO [stderr] | help: remove this Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 13 04:48:23.039 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:34:26 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:23.039 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:23.039 INFO [stderr] | | Dec 13 04:48:23.039 INFO [stderr] | help: remove this Dec 13 04:48:23.039 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:34:42 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:23.039 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:23.039 INFO [stderr] | | Dec 13 04:48:23.039 INFO [stderr] | help: remove this Dec 13 04:48:23.039 INFO [stderr] Dec 13 04:48:23.039 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:23.039 INFO [stderr] --> src/list.rs:90:22 Dec 13 04:48:23.039 INFO [stderr] | Dec 13 04:48:23.039 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:23.039 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:23.040 INFO [stderr] | | Dec 13 04:48:23.040 INFO [stderr] | help: remove this Dec 13 04:48:23.040 INFO [stderr] Dec 13 04:48:23.040 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:23.040 INFO [stderr] --> src/list.rs:90:38 Dec 13 04:48:23.040 INFO [stderr] | Dec 13 04:48:23.040 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:23.040 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:23.040 INFO [stderr] | | Dec 13 04:48:23.040 INFO [stderr] | help: remove this Dec 13 04:48:23.040 INFO [stderr] Dec 13 04:48:23.972 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.77s Dec 13 04:48:23.976 INFO [stderr] su: No module specific data is present Dec 13 04:48:24.775 INFO running `"docker" "inspect" "2c75c0502efc87e5f7db53936e3cbeacd1d796cccb2ae4dc5640919f9c46bd21"` Dec 13 04:48:25.049 INFO running `"docker" "rm" "-f" "2c75c0502efc87e5f7db53936e3cbeacd1d796cccb2ae4dc5640919f9c46bd21"` Dec 13 04:48:25.411 INFO [stdout] 2c75c0502efc87e5f7db53936e3cbeacd1d796cccb2ae4dc5640919f9c46bd21 Dec 13 04:48:25.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"` Dec 13 04:48:25.925 INFO [stdout] 2ee4cd8180b24dc71b281548df24b4034e3dc6c669a0e8682256661fb7974758 Dec 13 04:48:25.931 INFO running `"docker" "start" "-a" "2ee4cd8180b24dc71b281548df24b4034e3dc6c669a0e8682256661fb7974758"` Dec 13 04:48:27.291 INFO [stderr] usermod: no changes Dec 13 04:48:27.399 INFO [stderr] Compiling rust_test v0.1.0 (/source) Dec 13 04:48:27.819 INFO [stderr] warning: unused macro definition Dec 13 04:48:27.819 INFO [stderr] --> src/list.rs:53:1 Dec 13 04:48:27.819 INFO [stderr] | Dec 13 04:48:27.819 INFO [stderr] 53 | / macro_rules! list { Dec 13 04:48:27.819 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 13 04:48:27.819 INFO [stderr] 55 | | { Dec 13 04:48:27.819 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 13 04:48:27.819 INFO [stderr] ... | Dec 13 04:48:27.819 INFO [stderr] 74 | | }; Dec 13 04:48:27.819 INFO [stderr] 75 | | } Dec 13 04:48:27.819 INFO [stderr] | |_^ Dec 13 04:48:27.819 INFO [stderr] | Dec 13 04:48:27.819 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 13 04:48:27.819 INFO [stderr] Dec 13 04:48:27.859 INFO [stderr] warning: unused macro definition Dec 13 04:48:27.859 INFO [stderr] --> src/list.rs:53:1 Dec 13 04:48:27.859 INFO [stderr] | Dec 13 04:48:27.859 INFO [stderr] 53 | / macro_rules! list { Dec 13 04:48:27.859 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 13 04:48:27.859 INFO [stderr] 55 | | { Dec 13 04:48:27.859 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 13 04:48:27.859 INFO [stderr] ... | Dec 13 04:48:27.859 INFO [stderr] 74 | | }; Dec 13 04:48:27.859 INFO [stderr] 75 | | } Dec 13 04:48:27.859 INFO [stderr] | |_^ Dec 13 04:48:27.859 INFO [stderr] | Dec 13 04:48:27.859 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 13 04:48:27.859 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: function is never used: `call` Dec 13 04:48:27.871 INFO [stderr] --> src/module.rs:1:1 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 1 | pub fn call() { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: enum is never used: `List` Dec 13 04:48:27.871 INFO [stderr] --> src/list.rs:4:1 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 4 | pub enum List { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: method is never used: `empty_list` Dec 13 04:48:27.871 INFO [stderr] --> src/list.rs:13:5 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 13 | pub fn empty_list() -> List { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: method is never used: `prepend` Dec 13 04:48:27.871 INFO [stderr] --> src/list.rs:17:5 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 17 | pub fn prepend(self, t: T) -> Self { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: method is never used: `head` Dec 13 04:48:27.871 INFO [stderr] --> src/list.rs:24:5 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: method is never used: `last` Dec 13 04:48:27.871 INFO [stderr] --> src/list.rs:31:5 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: method is never used: `is_empty` Dec 13 04:48:27.871 INFO [stderr] --> src/list.rs:44:5 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.871 INFO [stderr] warning: function is never used: `tailrec` Dec 13 04:48:27.871 INFO [stderr] --> src/list.rs:87:1 Dec 13 04:48:27.871 INFO [stderr] | Dec 13 04:48:27.871 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 13 04:48:27.871 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:27.871 INFO [stderr] Dec 13 04:48:27.883 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:27.883 INFO [stderr] --> src/list.rs:27:26 Dec 13 04:48:27.883 INFO [stderr] | Dec 13 04:48:27.883 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 13 04:48:27.883 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:27.883 INFO [stderr] | | Dec 13 04:48:27.883 INFO [stderr] | help: remove this Dec 13 04:48:27.883 INFO [stderr] | Dec 13 04:48:27.883 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 13 04:48:27.883 INFO [stderr] Dec 13 04:48:27.883 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:27.883 INFO [stderr] --> src/list.rs:34:26 Dec 13 04:48:27.883 INFO [stderr] | Dec 13 04:48:27.883 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:27.883 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:27.883 INFO [stderr] | | Dec 13 04:48:27.883 INFO [stderr] | help: remove this Dec 13 04:48:27.883 INFO [stderr] Dec 13 04:48:27.883 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:27.883 INFO [stderr] --> src/list.rs:34:42 Dec 13 04:48:27.883 INFO [stderr] | Dec 13 04:48:27.883 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:27.883 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:27.883 INFO [stderr] | | Dec 13 04:48:27.883 INFO [stderr] | help: remove this Dec 13 04:48:27.883 INFO [stderr] Dec 13 04:48:27.883 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:27.883 INFO [stderr] --> src/list.rs:90:22 Dec 13 04:48:27.883 INFO [stderr] | Dec 13 04:48:27.883 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:27.883 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:27.883 INFO [stderr] | | Dec 13 04:48:27.883 INFO [stderr] | help: remove this Dec 13 04:48:27.883 INFO [stderr] Dec 13 04:48:27.883 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:27.883 INFO [stderr] --> src/list.rs:90:38 Dec 13 04:48:27.883 INFO [stderr] | Dec 13 04:48:27.883 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:27.883 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:27.883 INFO [stderr] | | Dec 13 04:48:27.883 INFO [stderr] | help: remove this Dec 13 04:48:27.883 INFO [stderr] Dec 13 04:48:28.099 INFO [stderr] warning: method is never used: `head` Dec 13 04:48:28.099 INFO [stderr] --> src/list.rs:24:5 Dec 13 04:48:28.099 INFO [stderr] | Dec 13 04:48:28.099 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 13 04:48:28.099 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:28.099 INFO [stderr] | Dec 13 04:48:28.099 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 04:48:28.099 INFO [stderr] Dec 13 04:48:28.108 INFO [stderr] warning: method is never used: `last` Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:31:5 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 13 04:48:28.109 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.109 INFO [stderr] warning: method is never used: `is_empty` Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:44:5 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 13 04:48:28.109 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.109 INFO [stderr] warning: function is never used: `tailrec` Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:87:1 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 13 04:48:28.109 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.109 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:27:26 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 13 04:48:28.109 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] | | Dec 13 04:48:28.109 INFO [stderr] | help: remove this Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.109 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:34:26 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:28.109 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] | | Dec 13 04:48:28.109 INFO [stderr] | help: remove this Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.109 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:34:42 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:28.109 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] | | Dec 13 04:48:28.109 INFO [stderr] | help: remove this Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.109 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:90:22 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:28.109 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] | | Dec 13 04:48:28.109 INFO [stderr] | help: remove this Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.109 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 13 04:48:28.109 INFO [stderr] --> src/list.rs:90:38 Dec 13 04:48:28.109 INFO [stderr] | Dec 13 04:48:28.109 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 13 04:48:28.109 INFO [stderr] | -----^^^^^^^^^ Dec 13 04:48:28.109 INFO [stderr] | | Dec 13 04:48:28.109 INFO [stderr] | help: remove this Dec 13 04:48:28.109 INFO [stderr] Dec 13 04:48:28.523 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.20s Dec 13 04:48:28.535 INFO [stderr] su: No module specific data is present Dec 13 04:48:29.320 INFO running `"docker" "inspect" "2ee4cd8180b24dc71b281548df24b4034e3dc6c669a0e8682256661fb7974758"` Dec 13 04:48:29.663 INFO running `"docker" "rm" "-f" "2ee4cd8180b24dc71b281548df24b4034e3dc6c669a0e8682256661fb7974758"` Dec 13 04:48:30.027 INFO [stdout] 2ee4cd8180b24dc71b281548df24b4034e3dc6c669a0e8682256661fb7974758 Dec 13 04:48:30.031 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"` Dec 13 04:48:30.500 INFO [stdout] 2d3cb713def977b66451c8e36fe809e6571720984ee5edb3e1f8a9dcf8d9d659 Dec 13 04:48:30.503 INFO running `"docker" "start" "-a" "2d3cb713def977b66451c8e36fe809e6571720984ee5edb3e1f8a9dcf8d9d659"` Dec 13 04:48:31.471 INFO [stderr] usermod: no changes Dec 13 04:48:31.584 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s Dec 13 04:48:31.584 INFO [stderr] Running /target/debug/deps/rust_test-a06f667f71716b0b Dec 13 04:48:31.584 INFO [stderr] Running /target/debug/deps/rust_test-37934d2c4894954d Dec 13 04:48:31.584 INFO [stderr] Doc-tests rust_test Dec 13 04:48:31.584 INFO [stdout] Dec 13 04:48:31.584 INFO [stdout] running 0 tests Dec 13 04:48:31.584 INFO [stdout] Dec 13 04:48:31.584 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 04:48:31.584 INFO [stdout] Dec 13 04:48:31.584 INFO [stdout] Dec 13 04:48:31.584 INFO [stdout] running 0 tests Dec 13 04:48:31.584 INFO [stdout] Dec 13 04:48:31.584 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 04:48:31.584 INFO [stdout] Dec 13 04:48:31.880 INFO [stderr] su: No module specific data is present Dec 13 04:48:31.881 INFO [stdout] Dec 13 04:48:31.881 INFO [stdout] running 0 tests Dec 13 04:48:31.881 INFO [stdout] Dec 13 04:48:31.881 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 04:48:31.881 INFO [stdout] Dec 13 04:48:32.567 INFO running `"docker" "inspect" "2d3cb713def977b66451c8e36fe809e6571720984ee5edb3e1f8a9dcf8d9d659"` Dec 13 04:48:32.805 INFO running `"docker" "rm" "-f" "2d3cb713def977b66451c8e36fe809e6571720984ee5edb3e1f8a9dcf8d9d659"` Dec 13 04:48:33.074 INFO [stdout] 2d3cb713def977b66451c8e36fe809e6571720984ee5edb3e1f8a9dcf8d9d659