Oct 31 22:30:20.126 INFO testing ryota-sakamoto/rust_study against beta-2018-10-30 for beta-1.31-1
Oct 31 22:30:20.127 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 22:30:20.520 INFO blam! df7d8bf5ed0cc93da9b5d858a506e5025e392306c1d30316e5b243cb254ff0ef
Oct 31 22:30:20.527 INFO running `"docker" "start" "-a" "df7d8bf5ed0cc93da9b5d858a506e5025e392306c1d30316e5b243cb254ff0ef"`
Oct 31 22:30:21.611 INFO kablam! usermod: no changes
Oct 31 22:30:21.699 INFO kablam!    Compiling rust_test v0.1.0 (/source)
Oct 31 22:30:21.880 INFO kablam! warning: unused macro definition
Oct 31 22:30:21.880 INFO kablam!   --> src/list.rs:53:1
Oct 31 22:30:21.880 INFO kablam!    |
Oct 31 22:30:21.881 INFO kablam! 53 | / macro_rules! list {
Oct 31 22:30:21.881 INFO kablam! 54 | |     ($($n: expr),*) => {
Oct 31 22:30:21.881 INFO kablam! 55 | |         {
Oct 31 22:30:21.882 INFO kablam! 56 | |             let mut list = List::empty_list();
Oct 31 22:30:21.882 INFO kablam! ...  |
Oct 31 22:30:21.882 INFO kablam! 74 | |     };
Oct 31 22:30:21.883 INFO kablam! 75 | | }
Oct 31 22:30:21.883 INFO kablam!    | |_^
Oct 31 22:30:21.883 INFO kablam!    |
Oct 31 22:30:21.883 INFO kablam!    = note: #[warn(unused_macros)] on by default
Oct 31 22:30:21.884 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: function is never used: `call`
Oct 31 22:30:21.935 INFO kablam!  --> src/module.rs:1:1
Oct 31 22:30:21.935 INFO kablam!   |
Oct 31 22:30:21.935 INFO kablam! 1 | pub fn call() {
Oct 31 22:30:21.935 INFO kablam!   | ^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam!   |
Oct 31 22:30:21.935 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: enum is never used: `List`
Oct 31 22:30:21.935 INFO kablam!  --> src/list.rs:4:1
Oct 31 22:30:21.935 INFO kablam!   |
Oct 31 22:30:21.935 INFO kablam! 4 | pub enum List<T: Debug> {
Oct 31 22:30:21.935 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: method is never used: `empty_list`
Oct 31 22:30:21.935 INFO kablam!   --> src/list.rs:13:5
Oct 31 22:30:21.935 INFO kablam!    |
Oct 31 22:30:21.935 INFO kablam! 13 |     pub fn empty_list() -> List<T> {
Oct 31 22:30:21.935 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: method is never used: `prepend`
Oct 31 22:30:21.935 INFO kablam!   --> src/list.rs:17:5
Oct 31 22:30:21.935 INFO kablam!    |
Oct 31 22:30:21.935 INFO kablam! 17 |     pub fn prepend(self, t: T) -> Self {
Oct 31 22:30:21.935 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: method is never used: `head`
Oct 31 22:30:21.935 INFO kablam!   --> src/list.rs:24:5
Oct 31 22:30:21.935 INFO kablam!    |
Oct 31 22:30:21.935 INFO kablam! 24 |     pub fn head(&self) -> &T {
Oct 31 22:30:21.935 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: method is never used: `last`
Oct 31 22:30:21.935 INFO kablam!   --> src/list.rs:31:5
Oct 31 22:30:21.935 INFO kablam!    |
Oct 31 22:30:21.935 INFO kablam! 31 |     pub fn last(&self) -> &T {
Oct 31 22:30:21.935 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: method is never used: `is_empty`
Oct 31 22:30:21.935 INFO kablam!   --> src/list.rs:44:5
Oct 31 22:30:21.935 INFO kablam!    |
Oct 31 22:30:21.935 INFO kablam! 44 |     fn is_empty(&self) -> bool {
Oct 31 22:30:21.935 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.935 INFO kablam! warning: function is never used: `tailrec`
Oct 31 22:30:21.935 INFO kablam!   --> src/list.rs:87:1
Oct 31 22:30:21.935 INFO kablam!    |
Oct 31 22:30:21.935 INFO kablam! 87 | fn tailrec<T: Debug>(list: &List<T>) {
Oct 31 22:30:21.935 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:21.935 INFO kablam! 
Oct 31 22:30:21.947 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:21.947 INFO kablam!   --> src/list.rs:27:26
Oct 31 22:30:21.947 INFO kablam!    |
Oct 31 22:30:21.947 INFO kablam! 27 |             &List::List {head: ref head, tail: _} => head,
Oct 31 22:30:21.947 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:21.947 INFO kablam!    |                          |
Oct 31 22:30:21.947 INFO kablam!    |                          help: remove this
Oct 31 22:30:21.947 INFO kablam!    |
Oct 31 22:30:21.947 INFO kablam!    = note: #[warn(non_shorthand_field_patterns)] on by default
Oct 31 22:30:21.947 INFO kablam! 
Oct 31 22:30:21.947 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:21.947 INFO kablam!   --> src/list.rs:34:26
Oct 31 22:30:21.947 INFO kablam!    |
Oct 31 22:30:21.947 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:21.947 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:21.947 INFO kablam!    |                          |
Oct 31 22:30:21.947 INFO kablam!    |                          help: remove this
Oct 31 22:30:21.947 INFO kablam! 
Oct 31 22:30:21.947 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:21.947 INFO kablam!   --> src/list.rs:34:42
Oct 31 22:30:21.947 INFO kablam!    |
Oct 31 22:30:21.947 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:21.947 INFO kablam!    |                                          -----^^^^^^^^^
Oct 31 22:30:21.947 INFO kablam!    |                                          |
Oct 31 22:30:21.947 INFO kablam!    |                                          help: remove this
Oct 31 22:30:21.947 INFO kablam! 
Oct 31 22:30:21.947 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:21.947 INFO kablam!   --> src/list.rs:90:22
Oct 31 22:30:21.947 INFO kablam!    |
Oct 31 22:30:21.947 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:21.947 INFO kablam!    |                      -----^^^^^^^^^
Oct 31 22:30:21.947 INFO kablam!    |                      |
Oct 31 22:30:21.947 INFO kablam!    |                      help: remove this
Oct 31 22:30:21.947 INFO kablam! 
Oct 31 22:30:21.947 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:21.947 INFO kablam!   --> src/list.rs:90:38
Oct 31 22:30:21.947 INFO kablam!    |
Oct 31 22:30:21.947 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:21.947 INFO kablam!    |                                      -----^^^^^^^^^
Oct 31 22:30:21.947 INFO kablam!    |                                      |
Oct 31 22:30:21.947 INFO kablam!    |                                      help: remove this
Oct 31 22:30:21.947 INFO kablam! 
Oct 31 22:30:22.171 INFO kablam! warning: unused macro definition
Oct 31 22:30:22.171 INFO kablam!   --> src/list.rs:53:1
Oct 31 22:30:22.171 INFO kablam!    |
Oct 31 22:30:22.171 INFO kablam! 53 | / macro_rules! list {
Oct 31 22:30:22.171 INFO kablam! 54 | |     ($($n: expr),*) => {
Oct 31 22:30:22.171 INFO kablam! 55 | |         {
Oct 31 22:30:22.171 INFO kablam! 56 | |             let mut list = List::empty_list();
Oct 31 22:30:22.171 INFO kablam! ...  |
Oct 31 22:30:22.171 INFO kablam! 74 | |     };
Oct 31 22:30:22.171 INFO kablam! 75 | | }
Oct 31 22:30:22.171 INFO kablam!    | |_^
Oct 31 22:30:22.171 INFO kablam!    |
Oct 31 22:30:22.171 INFO kablam!    = note: #[warn(unused_macros)] on by default
Oct 31 22:30:22.171 INFO kablam! 
Oct 31 22:30:22.278 INFO kablam! warning: method is never used: `head`
Oct 31 22:30:22.278 INFO kablam!   --> src/list.rs:24:5
Oct 31 22:30:22.278 INFO kablam!    |
Oct 31 22:30:22.278 INFO kablam! 24 |     pub fn head(&self) -> &T {
Oct 31 22:30:22.278 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:22.278 INFO kablam!    |
Oct 31 22:30:22.278 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 22:30:22.278 INFO kablam! 
Oct 31 22:30:22.278 INFO kablam! warning: method is never used: `last`
Oct 31 22:30:22.278 INFO kablam!   --> src/list.rs:31:5
Oct 31 22:30:22.278 INFO kablam!    |
Oct 31 22:30:22.278 INFO kablam! 31 |     pub fn last(&self) -> &T {
Oct 31 22:30:22.278 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:22.278 INFO kablam! 
Oct 31 22:30:22.280 INFO kablam! warning: method is never used: `is_empty`
Oct 31 22:30:22.281 INFO kablam!   --> src/list.rs:44:5
Oct 31 22:30:22.281 INFO kablam!    |
Oct 31 22:30:22.281 INFO kablam! 44 |     fn is_empty(&self) -> bool {
Oct 31 22:30:22.281 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:22.281 INFO kablam! 
Oct 31 22:30:22.281 INFO kablam! warning: function is never used: `tailrec`
Oct 31 22:30:22.281 INFO kablam!   --> src/list.rs:87:1
Oct 31 22:30:22.281 INFO kablam!    |
Oct 31 22:30:22.281 INFO kablam! 87 | fn tailrec<T: Debug>(list: &List<T>) {
Oct 31 22:30:22.281 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:22.281 INFO kablam! 
Oct 31 22:30:22.281 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:22.281 INFO kablam!   --> src/list.rs:27:26
Oct 31 22:30:22.281 INFO kablam!    |
Oct 31 22:30:22.281 INFO kablam! 27 |             &List::List {head: ref head, tail: _} => head,
Oct 31 22:30:22.281 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:22.281 INFO kablam!    |                          |
Oct 31 22:30:22.281 INFO kablam!    |                          help: remove this
Oct 31 22:30:22.281 INFO kablam!    |
Oct 31 22:30:22.281 INFO kablam!    = note: #[warn(non_shorthand_field_patterns)] on by default
Oct 31 22:30:22.281 INFO kablam! 
Oct 31 22:30:22.281 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:22.281 INFO kablam!   --> src/list.rs:34:26
Oct 31 22:30:22.282 INFO kablam!    |
Oct 31 22:30:22.282 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:22.282 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:22.282 INFO kablam!    |                          |
Oct 31 22:30:22.282 INFO kablam!    |                          help: remove this
Oct 31 22:30:22.282 INFO kablam! 
Oct 31 22:30:22.282 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:22.282 INFO kablam!   --> src/list.rs:34:42
Oct 31 22:30:22.282 INFO kablam!    |
Oct 31 22:30:22.282 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:22.282 INFO kablam!    |                                          -----^^^^^^^^^
Oct 31 22:30:22.282 INFO kablam!    |                                          |
Oct 31 22:30:22.282 INFO kablam!    |                                          help: remove this
Oct 31 22:30:22.282 INFO kablam! 
Oct 31 22:30:22.282 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:22.282 INFO kablam!   --> src/list.rs:90:22
Oct 31 22:30:22.282 INFO kablam!    |
Oct 31 22:30:22.282 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:22.282 INFO kablam!    |                      -----^^^^^^^^^
Oct 31 22:30:22.282 INFO kablam!    |                      |
Oct 31 22:30:22.282 INFO kablam!    |                      help: remove this
Oct 31 22:30:22.282 INFO kablam! 
Oct 31 22:30:22.283 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:22.283 INFO kablam!   --> src/list.rs:90:38
Oct 31 22:30:22.283 INFO kablam!    |
Oct 31 22:30:22.283 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:22.283 INFO kablam!    |                                      -----^^^^^^^^^
Oct 31 22:30:22.283 INFO kablam!    |                                      |
Oct 31 22:30:22.283 INFO kablam!    |                                      help: remove this
Oct 31 22:30:22.283 INFO kablam! 
Oct 31 22:30:23.133 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Oct 31 22:30:23.134 INFO kablam! su: No module specific data is present
Oct 31 22:30:23.900 INFO running `"docker" "rm" "-f" "df7d8bf5ed0cc93da9b5d858a506e5025e392306c1d30316e5b243cb254ff0ef"`
Oct 31 22:30:24.227 INFO blam! df7d8bf5ed0cc93da9b5d858a506e5025e392306c1d30316e5b243cb254ff0ef
Oct 31 22:30:24.232 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 22:30:24.811 INFO blam! 5b04fe889592940fbbe38c18aede722770d6a41ab5822dfcdf677092d8ea1dab
Oct 31 22:30:24.819 INFO running `"docker" "start" "-a" "5b04fe889592940fbbe38c18aede722770d6a41ab5822dfcdf677092d8ea1dab"`
Oct 31 22:30:26.419 INFO kablam! usermod: no changes
Oct 31 22:30:26.495 INFO kablam!    Compiling rust_test v0.1.0 (/source)
Oct 31 22:30:26.787 INFO kablam! warning: unused macro definition
Oct 31 22:30:26.787 INFO kablam!   --> src/list.rs:53:1
Oct 31 22:30:26.787 INFO kablam!    |
Oct 31 22:30:26.787 INFO kablam! 53 | / macro_rules! list {
Oct 31 22:30:26.787 INFO kablam! 54 | |     ($($n: expr),*) => {
Oct 31 22:30:26.787 INFO kablam! 55 | |         {
Oct 31 22:30:26.787 INFO kablam! 56 | |             let mut list = List::empty_list();
Oct 31 22:30:26.787 INFO kablam! ...  |
Oct 31 22:30:26.787 INFO kablam! 74 | |     };
Oct 31 22:30:26.787 INFO kablam! 75 | | }
Oct 31 22:30:26.787 INFO kablam!    | |_^
Oct 31 22:30:26.787 INFO kablam!    |
Oct 31 22:30:26.787 INFO kablam!    = note: #[warn(unused_macros)] on by default
Oct 31 22:30:26.787 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: function is never used: `call`
Oct 31 22:30:26.855 INFO kablam!  --> src/module.rs:1:1
Oct 31 22:30:26.855 INFO kablam!   |
Oct 31 22:30:26.855 INFO kablam! 1 | pub fn call() {
Oct 31 22:30:26.855 INFO kablam!   | ^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam!   |
Oct 31 22:30:26.855 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: enum is never used: `List`
Oct 31 22:30:26.855 INFO kablam!  --> src/list.rs:4:1
Oct 31 22:30:26.855 INFO kablam!   |
Oct 31 22:30:26.855 INFO kablam! 4 | pub enum List<T: Debug> {
Oct 31 22:30:26.855 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: method is never used: `empty_list`
Oct 31 22:30:26.855 INFO kablam!   --> src/list.rs:13:5
Oct 31 22:30:26.855 INFO kablam!    |
Oct 31 22:30:26.855 INFO kablam! 13 |     pub fn empty_list() -> List<T> {
Oct 31 22:30:26.855 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: method is never used: `prepend`
Oct 31 22:30:26.855 INFO kablam!   --> src/list.rs:17:5
Oct 31 22:30:26.855 INFO kablam!    |
Oct 31 22:30:26.855 INFO kablam! 17 |     pub fn prepend(self, t: T) -> Self {
Oct 31 22:30:26.855 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: method is never used: `head`
Oct 31 22:30:26.855 INFO kablam!   --> src/list.rs:24:5
Oct 31 22:30:26.855 INFO kablam!    |
Oct 31 22:30:26.855 INFO kablam! 24 |     pub fn head(&self) -> &T {
Oct 31 22:30:26.855 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: method is never used: `last`
Oct 31 22:30:26.855 INFO kablam!   --> src/list.rs:31:5
Oct 31 22:30:26.855 INFO kablam!    |
Oct 31 22:30:26.855 INFO kablam! 31 |     pub fn last(&self) -> &T {
Oct 31 22:30:26.855 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: method is never used: `is_empty`
Oct 31 22:30:26.855 INFO kablam!   --> src/list.rs:44:5
Oct 31 22:30:26.855 INFO kablam!    |
Oct 31 22:30:26.855 INFO kablam! 44 |     fn is_empty(&self) -> bool {
Oct 31 22:30:26.855 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.855 INFO kablam! warning: function is never used: `tailrec`
Oct 31 22:30:26.855 INFO kablam!   --> src/list.rs:87:1
Oct 31 22:30:26.855 INFO kablam!    |
Oct 31 22:30:26.855 INFO kablam! 87 | fn tailrec<T: Debug>(list: &List<T>) {
Oct 31 22:30:26.855 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:26.855 INFO kablam! 
Oct 31 22:30:26.856 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:26.856 INFO kablam!   --> src/list.rs:27:26
Oct 31 22:30:26.856 INFO kablam!    |
Oct 31 22:30:26.856 INFO kablam! 27 |             &List::List {head: ref head, tail: _} => head,
Oct 31 22:30:26.856 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:26.856 INFO kablam!    |                          |
Oct 31 22:30:26.856 INFO kablam!    |                          help: remove this
Oct 31 22:30:26.856 INFO kablam!    |
Oct 31 22:30:26.856 INFO kablam!    = note: #[warn(non_shorthand_field_patterns)] on by default
Oct 31 22:30:26.856 INFO kablam! 
Oct 31 22:30:26.856 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:26.856 INFO kablam!   --> src/list.rs:34:26
Oct 31 22:30:26.856 INFO kablam!    |
Oct 31 22:30:26.856 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:26.856 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:26.856 INFO kablam!    |                          |
Oct 31 22:30:26.856 INFO kablam!    |                          help: remove this
Oct 31 22:30:26.856 INFO kablam! 
Oct 31 22:30:26.856 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:26.856 INFO kablam!   --> src/list.rs:34:42
Oct 31 22:30:26.856 INFO kablam!    |
Oct 31 22:30:26.856 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:26.856 INFO kablam!    |                                          -----^^^^^^^^^
Oct 31 22:30:26.856 INFO kablam!    |                                          |
Oct 31 22:30:26.856 INFO kablam!    |                                          help: remove this
Oct 31 22:30:26.856 INFO kablam! 
Oct 31 22:30:26.856 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:26.856 INFO kablam!   --> src/list.rs:90:22
Oct 31 22:30:26.856 INFO kablam!    |
Oct 31 22:30:26.856 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:26.856 INFO kablam!    |                      -----^^^^^^^^^
Oct 31 22:30:26.856 INFO kablam!    |                      |
Oct 31 22:30:26.856 INFO kablam!    |                      help: remove this
Oct 31 22:30:26.856 INFO kablam! 
Oct 31 22:30:26.856 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:26.856 INFO kablam!   --> src/list.rs:90:38
Oct 31 22:30:26.856 INFO kablam!    |
Oct 31 22:30:26.856 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:26.856 INFO kablam!    |                                      -----^^^^^^^^^
Oct 31 22:30:26.856 INFO kablam!    |                                      |
Oct 31 22:30:26.856 INFO kablam!    |                                      help: remove this
Oct 31 22:30:26.856 INFO kablam! 
Oct 31 22:30:27.003 INFO kablam! warning: unused macro definition
Oct 31 22:30:27.003 INFO kablam!   --> src/list.rs:53:1
Oct 31 22:30:27.003 INFO kablam!    |
Oct 31 22:30:27.003 INFO kablam! 53 | / macro_rules! list {
Oct 31 22:30:27.003 INFO kablam! 54 | |     ($($n: expr),*) => {
Oct 31 22:30:27.003 INFO kablam! 55 | |         {
Oct 31 22:30:27.003 INFO kablam! 56 | |             let mut list = List::empty_list();
Oct 31 22:30:27.003 INFO kablam! ...  |
Oct 31 22:30:27.003 INFO kablam! 74 | |     };
Oct 31 22:30:27.003 INFO kablam! 75 | | }
Oct 31 22:30:27.003 INFO kablam!    | |_^
Oct 31 22:30:27.013 INFO kablam!    |
Oct 31 22:30:27.013 INFO kablam!    = note: #[warn(unused_macros)] on by default
Oct 31 22:30:27.013 INFO kablam! 
Oct 31 22:30:27.283 INFO kablam! warning: method is never used: `head`
Oct 31 22:30:27.283 INFO kablam!   --> src/list.rs:24:5
Oct 31 22:30:27.283 INFO kablam!    |
Oct 31 22:30:27.283 INFO kablam! 24 |     pub fn head(&self) -> &T {
Oct 31 22:30:27.283 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:27.283 INFO kablam!    |
Oct 31 22:30:27.283 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 22:30:27.283 INFO kablam! 
Oct 31 22:30:27.283 INFO kablam! warning: method is never used: `last`
Oct 31 22:30:27.283 INFO kablam!   --> src/list.rs:31:5
Oct 31 22:30:27.283 INFO kablam!    |
Oct 31 22:30:27.283 INFO kablam! 31 |     pub fn last(&self) -> &T {
Oct 31 22:30:27.283 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:27.283 INFO kablam! 
Oct 31 22:30:27.283 INFO kablam! warning: method is never used: `is_empty`
Oct 31 22:30:27.283 INFO kablam!   --> src/list.rs:44:5
Oct 31 22:30:27.283 INFO kablam!    |
Oct 31 22:30:27.283 INFO kablam! 44 |     fn is_empty(&self) -> bool {
Oct 31 22:30:27.283 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:27.283 INFO kablam! 
Oct 31 22:30:27.283 INFO kablam! warning: function is never used: `tailrec`
Oct 31 22:30:27.283 INFO kablam!   --> src/list.rs:87:1
Oct 31 22:30:27.283 INFO kablam!    |
Oct 31 22:30:27.283 INFO kablam! 87 | fn tailrec<T: Debug>(list: &List<T>) {
Oct 31 22:30:27.283 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:30:27.283 INFO kablam! 
Oct 31 22:30:27.283 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:27.283 INFO kablam!   --> src/list.rs:27:26
Oct 31 22:30:27.283 INFO kablam!    |
Oct 31 22:30:27.283 INFO kablam! 27 |             &List::List {head: ref head, tail: _} => head,
Oct 31 22:30:27.283 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:27.283 INFO kablam!    |                          |
Oct 31 22:30:27.283 INFO kablam!    |                          help: remove this
Oct 31 22:30:27.284 INFO kablam!    |
Oct 31 22:30:27.284 INFO kablam!    = note: #[warn(non_shorthand_field_patterns)] on by default
Oct 31 22:30:27.284 INFO kablam! 
Oct 31 22:30:27.287 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:27.287 INFO kablam!   --> src/list.rs:34:26
Oct 31 22:30:27.287 INFO kablam!    |
Oct 31 22:30:27.287 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:27.287 INFO kablam!    |                          -----^^^^^^^^^
Oct 31 22:30:27.287 INFO kablam!    |                          |
Oct 31 22:30:27.287 INFO kablam!    |                          help: remove this
Oct 31 22:30:27.287 INFO kablam! 
Oct 31 22:30:27.287 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:27.287 INFO kablam!   --> src/list.rs:34:42
Oct 31 22:30:27.287 INFO kablam!    |
Oct 31 22:30:27.287 INFO kablam! 34 |             &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:27.287 INFO kablam!    |                                          -----^^^^^^^^^
Oct 31 22:30:27.287 INFO kablam!    |                                          |
Oct 31 22:30:27.287 INFO kablam!    |                                          help: remove this
Oct 31 22:30:27.287 INFO kablam! 
Oct 31 22:30:27.287 INFO kablam! warning: the `head:` in this pattern is redundant
Oct 31 22:30:27.287 INFO kablam!   --> src/list.rs:90:22
Oct 31 22:30:27.287 INFO kablam!    |
Oct 31 22:30:27.287 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:27.287 INFO kablam!    |                      -----^^^^^^^^^
Oct 31 22:30:27.287 INFO kablam!    |                      |
Oct 31 22:30:27.287 INFO kablam!    |                      help: remove this
Oct 31 22:30:27.287 INFO kablam! 
Oct 31 22:30:27.287 INFO kablam! warning: the `tail:` in this pattern is redundant
Oct 31 22:30:27.287 INFO kablam!   --> src/list.rs:90:38
Oct 31 22:30:27.287 INFO kablam!    |
Oct 31 22:30:27.287 INFO kablam! 90 |         &List::List {head: ref head, tail: ref tail} => {
Oct 31 22:30:27.287 INFO kablam!    |                                      -----^^^^^^^^^
Oct 31 22:30:27.287 INFO kablam!    |                                      |
Oct 31 22:30:27.287 INFO kablam!    |                                      help: remove this
Oct 31 22:30:27.287 INFO kablam! 
Oct 31 22:30:27.883 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Oct 31 22:30:27.887 INFO kablam! su: No module specific data is present
Oct 31 22:30:28.550 INFO running `"docker" "rm" "-f" "5b04fe889592940fbbe38c18aede722770d6a41ab5822dfcdf677092d8ea1dab"`
Oct 31 22:30:28.778 INFO blam! 5b04fe889592940fbbe38c18aede722770d6a41ab5822dfcdf677092d8ea1dab
Oct 31 22:30:28.799 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 22:30:29.373 INFO blam! 2a7f12415b7e0b3b6417c82fb49943ce1afcb0ff2743fc985d41e0fd5fc69204
Oct 31 22:30:29.383 INFO running `"docker" "start" "-a" "2a7f12415b7e0b3b6417c82fb49943ce1afcb0ff2743fc985d41e0fd5fc69204"`
Oct 31 22:30:30.495 INFO kablam! usermod: no changes
Oct 31 22:30:30.587 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Oct 31 22:30:30.599 INFO kablam!      Running /target/debug/deps/rust_test-6a144a6303221434
Oct 31 22:30:30.603 INFO kablam!      Running /target/debug/deps/rust_test-6a1c47f0ef315422
Oct 31 22:30:30.603 INFO blam! 
Oct 31 22:30:30.603 INFO blam! running 0 tests
Oct 31 22:30:30.603 INFO blam! 
Oct 31 22:30:30.603 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 31 22:30:30.603 INFO blam! 
Oct 31 22:30:30.607 INFO blam! 
Oct 31 22:30:30.607 INFO kablam!    Doc-tests rust_test
Oct 31 22:30:30.607 INFO blam! running 0 tests
Oct 31 22:30:30.607 INFO blam! 
Oct 31 22:30:30.607 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 31 22:30:30.607 INFO blam! 
Oct 31 22:30:30.947 INFO blam! 
Oct 31 22:30:30.947 INFO blam! running 0 tests
Oct 31 22:30:30.947 INFO blam! 
Oct 31 22:30:30.947 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 31 22:30:30.947 INFO blam! 
Oct 31 22:30:30.953 INFO kablam! su: No module specific data is present
Oct 31 22:30:31.547 INFO running `"docker" "rm" "-f" "2a7f12415b7e0b3b6417c82fb49943ce1afcb0ff2743fc985d41e0fd5fc69204"`
Oct 31 22:30:31.943 INFO blam! 2a7f12415b7e0b3b6417c82fb49943ce1afcb0ff2743fc985d41e0fd5fc69204
