Dec 05 08:54:21.701 INFO testing ryota-sakamoto/rust_study against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 05 08:54:21.702 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 08:54:22.286 INFO [stdout] 383b09bda03b05d31f9795133ea610a411d8957efbfb7ea6c34eaad020278f70 Dec 05 08:54:22.286 INFO running `"docker" "start" "-a" "383b09bda03b05d31f9795133ea610a411d8957efbfb7ea6c34eaad020278f70"` Dec 05 08:54:23.864 INFO [stderr] usermod: no changes Dec 05 08:54:23.948 INFO [stderr] Compiling rust_test v0.1.0 (/source) Dec 05 08:54:24.188 INFO [stderr] warning: unused macro definition Dec 05 08:54:24.188 INFO [stderr] --> src/list.rs:53:1 Dec 05 08:54:24.188 INFO [stderr] | Dec 05 08:54:24.188 INFO [stderr] 53 | / macro_rules! list { Dec 05 08:54:24.188 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 05 08:54:24.188 INFO [stderr] 55 | | { Dec 05 08:54:24.188 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 05 08:54:24.188 INFO [stderr] ... | Dec 05 08:54:24.188 INFO [stderr] 74 | | }; Dec 05 08:54:24.188 INFO [stderr] 75 | | } Dec 05 08:54:24.188 INFO [stderr] | |_^ Dec 05 08:54:24.188 INFO [stderr] | Dec 05 08:54:24.188 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 05 08:54:24.188 INFO [stderr] Dec 05 08:54:24.240 INFO [stderr] warning: function is never used: `call` Dec 05 08:54:24.240 INFO [stderr] --> src/module.rs:1:1 Dec 05 08:54:24.240 INFO [stderr] | Dec 05 08:54:24.240 INFO [stderr] 1 | pub fn call() { Dec 05 08:54:24.240 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 08:54:24.240 INFO [stderr] | Dec 05 08:54:24.240 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 08:54:24.240 INFO [stderr] Dec 05 08:54:24.240 INFO [stderr] warning: enum is never used: `List` Dec 05 08:54:24.240 INFO [stderr] --> src/list.rs:4:1 Dec 05 08:54:24.240 INFO [stderr] | Dec 05 08:54:24.240 INFO [stderr] 4 | pub enum List { Dec 05 08:54:24.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.240 INFO [stderr] Dec 05 08:54:24.240 INFO [stderr] warning: method is never used: `empty_list` Dec 05 08:54:24.240 INFO [stderr] --> src/list.rs:13:5 Dec 05 08:54:24.240 INFO [stderr] | Dec 05 08:54:24.240 INFO [stderr] 13 | pub fn empty_list() -> List { Dec 05 08:54:24.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.240 INFO [stderr] Dec 05 08:54:24.240 INFO [stderr] warning: method is never used: `prepend` Dec 05 08:54:24.241 INFO [stderr] --> src/list.rs:17:5 Dec 05 08:54:24.241 INFO [stderr] | Dec 05 08:54:24.241 INFO [stderr] 17 | pub fn prepend(self, t: T) -> Self { Dec 05 08:54:24.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.241 INFO [stderr] Dec 05 08:54:24.241 INFO [stderr] warning: method is never used: `head` Dec 05 08:54:24.241 INFO [stderr] --> src/list.rs:24:5 Dec 05 08:54:24.241 INFO [stderr] | Dec 05 08:54:24.241 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 05 08:54:24.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.241 INFO [stderr] Dec 05 08:54:24.241 INFO [stderr] warning: method is never used: `last` Dec 05 08:54:24.241 INFO [stderr] --> src/list.rs:31:5 Dec 05 08:54:24.241 INFO [stderr] | Dec 05 08:54:24.241 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 05 08:54:24.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.241 INFO [stderr] Dec 05 08:54:24.241 INFO [stderr] warning: method is never used: `is_empty` Dec 05 08:54:24.241 INFO [stderr] --> src/list.rs:44:5 Dec 05 08:54:24.241 INFO [stderr] | Dec 05 08:54:24.241 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 05 08:54:24.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.241 INFO [stderr] Dec 05 08:54:24.241 INFO [stderr] warning: function is never used: `tailrec` Dec 05 08:54:24.241 INFO [stderr] --> src/list.rs:87:1 Dec 05 08:54:24.241 INFO [stderr] | Dec 05 08:54:24.241 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 05 08:54:24.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.241 INFO [stderr] Dec 05 08:54:24.252 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:24.252 INFO [stderr] --> src/list.rs:27:26 Dec 05 08:54:24.252 INFO [stderr] | Dec 05 08:54:24.252 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 05 08:54:24.252 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.252 INFO [stderr] | | Dec 05 08:54:24.252 INFO [stderr] | help: remove this Dec 05 08:54:24.252 INFO [stderr] | Dec 05 08:54:24.252 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 05 08:54:24.252 INFO [stderr] Dec 05 08:54:24.252 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:24.252 INFO [stderr] --> src/list.rs:34:26 Dec 05 08:54:24.252 INFO [stderr] | Dec 05 08:54:24.252 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.252 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.252 INFO [stderr] | | Dec 05 08:54:24.252 INFO [stderr] | help: remove this Dec 05 08:54:24.252 INFO [stderr] Dec 05 08:54:24.252 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:24.252 INFO [stderr] --> src/list.rs:34:42 Dec 05 08:54:24.252 INFO [stderr] | Dec 05 08:54:24.253 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.253 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.253 INFO [stderr] | | Dec 05 08:54:24.253 INFO [stderr] | help: remove this Dec 05 08:54:24.253 INFO [stderr] Dec 05 08:54:24.253 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:24.253 INFO [stderr] --> src/list.rs:90:22 Dec 05 08:54:24.253 INFO [stderr] | Dec 05 08:54:24.253 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.253 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.253 INFO [stderr] | | Dec 05 08:54:24.253 INFO [stderr] | help: remove this Dec 05 08:54:24.253 INFO [stderr] Dec 05 08:54:24.253 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:24.253 INFO [stderr] --> src/list.rs:90:38 Dec 05 08:54:24.253 INFO [stderr] | Dec 05 08:54:24.253 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.253 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.253 INFO [stderr] | | Dec 05 08:54:24.253 INFO [stderr] | help: remove this Dec 05 08:54:24.253 INFO [stderr] Dec 05 08:54:24.512 INFO [stderr] warning: unused macro definition Dec 05 08:54:24.512 INFO [stderr] --> src/list.rs:53:1 Dec 05 08:54:24.512 INFO [stderr] | Dec 05 08:54:24.512 INFO [stderr] 53 | / macro_rules! list { Dec 05 08:54:24.512 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 05 08:54:24.512 INFO [stderr] 55 | | { Dec 05 08:54:24.512 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 05 08:54:24.512 INFO [stderr] ... | Dec 05 08:54:24.512 INFO [stderr] 74 | | }; Dec 05 08:54:24.512 INFO [stderr] 75 | | } Dec 05 08:54:24.512 INFO [stderr] | |_^ Dec 05 08:54:24.512 INFO [stderr] | Dec 05 08:54:24.512 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 05 08:54:24.512 INFO [stderr] Dec 05 08:54:24.640 INFO [stderr] warning: method is never used: `head` Dec 05 08:54:24.640 INFO [stderr] --> src/list.rs:24:5 Dec 05 08:54:24.640 INFO [stderr] | Dec 05 08:54:24.640 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 05 08:54:24.641 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: method is never used: `last` Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:31:5 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 05 08:54:24.641 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: method is never used: `is_empty` Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:44:5 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 05 08:54:24.641 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: function is never used: `tailrec` Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:87:1 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 05 08:54:24.641 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:27:26 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 05 08:54:24.641 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] | | Dec 05 08:54:24.641 INFO [stderr] | help: remove this Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:34:26 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.641 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] | | Dec 05 08:54:24.641 INFO [stderr] | help: remove this Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:34:42 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.641 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] | | Dec 05 08:54:24.641 INFO [stderr] | help: remove this Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:90:22 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.641 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] | | Dec 05 08:54:24.641 INFO [stderr] | help: remove this Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:24.641 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:24.641 INFO [stderr] --> src/list.rs:90:38 Dec 05 08:54:24.641 INFO [stderr] | Dec 05 08:54:24.641 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:24.641 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:24.641 INFO [stderr] | | Dec 05 08:54:24.641 INFO [stderr] | help: remove this Dec 05 08:54:24.641 INFO [stderr] Dec 05 08:54:25.581 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.69s Dec 05 08:54:25.587 INFO [stderr] su: No module specific data is present Dec 05 08:54:26.610 INFO running `"docker" "inspect" "383b09bda03b05d31f9795133ea610a411d8957efbfb7ea6c34eaad020278f70"` Dec 05 08:54:27.004 INFO running `"docker" "rm" "-f" "383b09bda03b05d31f9795133ea610a411d8957efbfb7ea6c34eaad020278f70"` Dec 05 08:54:27.443 INFO [stdout] 383b09bda03b05d31f9795133ea610a411d8957efbfb7ea6c34eaad020278f70 Dec 05 08:54:27.446 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 08:54:27.936 INFO [stdout] b017344fb47fa9feb82b33a702857eca6cf82fb2fbc94c5ac6492780f3eff39a Dec 05 08:54:27.938 INFO running `"docker" "start" "-a" "b017344fb47fa9feb82b33a702857eca6cf82fb2fbc94c5ac6492780f3eff39a"` Dec 05 08:54:29.204 INFO [stderr] usermod: no changes Dec 05 08:54:29.316 INFO [stderr] Compiling rust_test v0.1.0 (/source) Dec 05 08:54:29.612 INFO [stderr] warning: unused macro definition Dec 05 08:54:29.612 INFO [stderr] --> src/list.rs:53:1 Dec 05 08:54:29.612 INFO [stderr] | Dec 05 08:54:29.612 INFO [stderr] 53 | / macro_rules! list { Dec 05 08:54:29.612 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 05 08:54:29.612 INFO [stderr] 55 | | { Dec 05 08:54:29.612 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 05 08:54:29.612 INFO [stderr] ... | Dec 05 08:54:29.612 INFO [stderr] 74 | | }; Dec 05 08:54:29.612 INFO [stderr] 75 | | } Dec 05 08:54:29.612 INFO [stderr] | |_^ Dec 05 08:54:29.612 INFO [stderr] | Dec 05 08:54:29.612 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 05 08:54:29.612 INFO [stderr] Dec 05 08:54:29.668 INFO [stderr] warning: unused macro definition Dec 05 08:54:29.668 INFO [stderr] --> src/list.rs:53:1 Dec 05 08:54:29.668 INFO [stderr] | Dec 05 08:54:29.668 INFO [stderr] 53 | / macro_rules! list { Dec 05 08:54:29.668 INFO [stderr] 54 | | ($($n: expr),*) => { Dec 05 08:54:29.668 INFO [stderr] 55 | | { Dec 05 08:54:29.668 INFO [stderr] 56 | | let mut list = List::empty_list(); Dec 05 08:54:29.668 INFO [stderr] ... | Dec 05 08:54:29.668 INFO [stderr] 74 | | }; Dec 05 08:54:29.668 INFO [stderr] 75 | | } Dec 05 08:54:29.668 INFO [stderr] | |_^ Dec 05 08:54:29.668 INFO [stderr] | Dec 05 08:54:29.668 INFO [stderr] = note: #[warn(unused_macros)] on by default Dec 05 08:54:29.668 INFO [stderr] Dec 05 08:54:29.740 INFO [stderr] warning: function is never used: `call` Dec 05 08:54:29.740 INFO [stderr] --> src/module.rs:1:1 Dec 05 08:54:29.740 INFO [stderr] | Dec 05 08:54:29.740 INFO [stderr] 1 | pub fn call() { Dec 05 08:54:29.740 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 08:54:29.740 INFO [stderr] | Dec 05 08:54:29.740 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 08:54:29.740 INFO [stderr] Dec 05 08:54:29.740 INFO [stderr] warning: enum is never used: `List` Dec 05 08:54:29.740 INFO [stderr] --> src/list.rs:4:1 Dec 05 08:54:29.740 INFO [stderr] | Dec 05 08:54:29.740 INFO [stderr] 4 | pub enum List { Dec 05 08:54:29.741 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.741 INFO [stderr] Dec 05 08:54:29.741 INFO [stderr] warning: method is never used: `empty_list` Dec 05 08:54:29.741 INFO [stderr] --> src/list.rs:13:5 Dec 05 08:54:29.741 INFO [stderr] | Dec 05 08:54:29.741 INFO [stderr] 13 | pub fn empty_list() -> List { Dec 05 08:54:29.741 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.741 INFO [stderr] Dec 05 08:54:29.741 INFO [stderr] warning: method is never used: `prepend` Dec 05 08:54:29.741 INFO [stderr] --> src/list.rs:17:5 Dec 05 08:54:29.741 INFO [stderr] | Dec 05 08:54:29.741 INFO [stderr] 17 | pub fn prepend(self, t: T) -> Self { Dec 05 08:54:29.741 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.741 INFO [stderr] Dec 05 08:54:29.741 INFO [stderr] warning: method is never used: `head` Dec 05 08:54:29.741 INFO [stderr] --> src/list.rs:24:5 Dec 05 08:54:29.741 INFO [stderr] | Dec 05 08:54:29.741 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 05 08:54:29.741 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.741 INFO [stderr] Dec 05 08:54:29.741 INFO [stderr] warning: method is never used: `last` Dec 05 08:54:29.741 INFO [stderr] --> src/list.rs:31:5 Dec 05 08:54:29.741 INFO [stderr] | Dec 05 08:54:29.741 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 05 08:54:29.741 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.741 INFO [stderr] Dec 05 08:54:29.741 INFO [stderr] warning: method is never used: `is_empty` Dec 05 08:54:29.741 INFO [stderr] --> src/list.rs:44:5 Dec 05 08:54:29.741 INFO [stderr] | Dec 05 08:54:29.741 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 05 08:54:29.741 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.741 INFO [stderr] Dec 05 08:54:29.741 INFO [stderr] warning: function is never used: `tailrec` Dec 05 08:54:29.741 INFO [stderr] --> src/list.rs:87:1 Dec 05 08:54:29.741 INFO [stderr] | Dec 05 08:54:29.741 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 05 08:54:29.741 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.741 INFO [stderr] Dec 05 08:54:29.756 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:29.756 INFO [stderr] --> src/list.rs:27:26 Dec 05 08:54:29.756 INFO [stderr] | Dec 05 08:54:29.756 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 05 08:54:29.756 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.756 INFO [stderr] | | Dec 05 08:54:29.756 INFO [stderr] | help: remove this Dec 05 08:54:29.756 INFO [stderr] | Dec 05 08:54:29.756 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 05 08:54:29.756 INFO [stderr] Dec 05 08:54:29.756 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:29.756 INFO [stderr] --> src/list.rs:34:26 Dec 05 08:54:29.756 INFO [stderr] | Dec 05 08:54:29.756 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.756 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.756 INFO [stderr] | | Dec 05 08:54:29.756 INFO [stderr] | help: remove this Dec 05 08:54:29.756 INFO [stderr] Dec 05 08:54:29.756 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:29.756 INFO [stderr] --> src/list.rs:34:42 Dec 05 08:54:29.756 INFO [stderr] | Dec 05 08:54:29.756 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.756 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.756 INFO [stderr] | | Dec 05 08:54:29.756 INFO [stderr] | help: remove this Dec 05 08:54:29.756 INFO [stderr] Dec 05 08:54:29.756 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:29.756 INFO [stderr] --> src/list.rs:90:22 Dec 05 08:54:29.756 INFO [stderr] | Dec 05 08:54:29.756 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.756 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.756 INFO [stderr] | | Dec 05 08:54:29.756 INFO [stderr] | help: remove this Dec 05 08:54:29.756 INFO [stderr] Dec 05 08:54:29.756 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:29.756 INFO [stderr] --> src/list.rs:90:38 Dec 05 08:54:29.756 INFO [stderr] | Dec 05 08:54:29.756 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.756 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.756 INFO [stderr] | | Dec 05 08:54:29.756 INFO [stderr] | help: remove this Dec 05 08:54:29.756 INFO [stderr] Dec 05 08:54:29.800 INFO [stderr] warning: method is never used: `head` Dec 05 08:54:29.800 INFO [stderr] --> src/list.rs:24:5 Dec 05 08:54:29.800 INFO [stderr] | Dec 05 08:54:29.800 INFO [stderr] 24 | pub fn head(&self) -> &T { Dec 05 08:54:29.800 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.800 INFO [stderr] | Dec 05 08:54:29.800 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 08:54:29.800 INFO [stderr] Dec 05 08:54:29.800 INFO [stderr] warning: method is never used: `last` Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:31:5 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 31 | pub fn last(&self) -> &T { Dec 05 08:54:29.801 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:29.801 INFO [stderr] warning: method is never used: `is_empty` Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:44:5 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 44 | fn is_empty(&self) -> bool { Dec 05 08:54:29.801 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:29.801 INFO [stderr] warning: function is never used: `tailrec` Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:87:1 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 87 | fn tailrec(list: &List) { Dec 05 08:54:29.801 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:29.801 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:27:26 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 27 | &List::List {head: ref head, tail: _} => head, Dec 05 08:54:29.801 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] | | Dec 05 08:54:29.801 INFO [stderr] | help: remove this Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:29.801 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:34:26 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.801 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] | | Dec 05 08:54:29.801 INFO [stderr] | help: remove this Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:29.801 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:34:42 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.801 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] | | Dec 05 08:54:29.801 INFO [stderr] | help: remove this Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:29.801 INFO [stderr] warning: the `head:` in this pattern is redundant Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:90:22 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.801 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] | | Dec 05 08:54:29.801 INFO [stderr] | help: remove this Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:29.801 INFO [stderr] warning: the `tail:` in this pattern is redundant Dec 05 08:54:29.801 INFO [stderr] --> src/list.rs:90:38 Dec 05 08:54:29.801 INFO [stderr] | Dec 05 08:54:29.801 INFO [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { Dec 05 08:54:29.801 INFO [stderr] | -----^^^^^^^^^ Dec 05 08:54:29.801 INFO [stderr] | | Dec 05 08:54:29.801 INFO [stderr] | help: remove this Dec 05 08:54:29.801 INFO [stderr] Dec 05 08:54:30.170 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.93s Dec 05 08:54:30.176 INFO [stderr] su: No module specific data is present Dec 05 08:54:31.238 INFO running `"docker" "inspect" "b017344fb47fa9feb82b33a702857eca6cf82fb2fbc94c5ac6492780f3eff39a"` Dec 05 08:54:31.508 INFO running `"docker" "rm" "-f" "b017344fb47fa9feb82b33a702857eca6cf82fb2fbc94c5ac6492780f3eff39a"` Dec 05 08:54:31.724 INFO [stdout] b017344fb47fa9feb82b33a702857eca6cf82fb2fbc94c5ac6492780f3eff39a Dec 05 08:54:31.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 08:54:32.224 INFO [stdout] 2dff6ebc261b0ac020592f19b7ea5ea6649cd188e674e2f0a3aa0ce769f3ed71 Dec 05 08:54:32.230 INFO running `"docker" "start" "-a" "2dff6ebc261b0ac020592f19b7ea5ea6649cd188e674e2f0a3aa0ce769f3ed71"` Dec 05 08:54:33.564 INFO [stderr] usermod: no changes Dec 05 08:54:33.652 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s Dec 05 08:54:33.657 INFO [stderr] Running /target/debug/deps/rust_test-49673e1ffbaedc76 Dec 05 08:54:33.659 INFO [stdout] Dec 05 08:54:33.659 INFO [stdout] running 0 tests Dec 05 08:54:33.659 INFO [stdout] Dec 05 08:54:33.659 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 05 08:54:33.659 INFO [stdout] Dec 05 08:54:33.660 INFO [stderr] Running /target/debug/deps/rust_test-88781cb5f5ff274a Dec 05 08:54:33.664 INFO [stderr] Doc-tests rust_test Dec 05 08:54:33.664 INFO [stdout] Dec 05 08:54:33.664 INFO [stdout] running 0 tests Dec 05 08:54:33.664 INFO [stdout] Dec 05 08:54:33.664 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 05 08:54:33.664 INFO [stdout] Dec 05 08:54:34.031 INFO [stdout] Dec 05 08:54:34.031 INFO [stdout] running 0 tests Dec 05 08:54:34.031 INFO [stdout] Dec 05 08:54:34.031 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 05 08:54:34.031 INFO [stdout] Dec 05 08:54:34.040 INFO [stderr] su: No module specific data is present Dec 05 08:54:35.271 INFO running `"docker" "inspect" "2dff6ebc261b0ac020592f19b7ea5ea6649cd188e674e2f0a3aa0ce769f3ed71"` Dec 05 08:54:35.626 INFO running `"docker" "rm" "-f" "2dff6ebc261b0ac020592f19b7ea5ea6649cd188e674e2f0a3aa0ce769f3ed71"` Dec 05 08:54:35.996 INFO [stdout] 2dff6ebc261b0ac020592f19b7ea5ea6649cd188e674e2f0a3aa0ce769f3ed71