[INFO] updating cached repository ryota-sakamoto/rust_study [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ryota-sakamoto/rust_study [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ryota-sakamoto/rust_study" "work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/rust_study"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/rust_study'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ryota-sakamoto/rust_study" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryota-sakamoto/rust_study"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryota-sakamoto/rust_study'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5eb4f8bec1711983c25dcc199f9e5c1cb2a2aa47 [INFO] sha for GitHub repo ryota-sakamoto/rust_study: 5eb4f8bec1711983c25dcc199f9e5c1cb2a2aa47 [INFO] validating manifest of ryota-sakamoto/rust_study on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ryota-sakamoto/rust_study on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ryota-sakamoto/rust_study [INFO] finished frobbing ryota-sakamoto/rust_study [INFO] frobbed toml for ryota-sakamoto/rust_study written to work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/rust_study/Cargo.toml [INFO] started frobbing ryota-sakamoto/rust_study [INFO] finished frobbing ryota-sakamoto/rust_study [INFO] frobbed toml for ryota-sakamoto/rust_study written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryota-sakamoto/rust_study/Cargo.toml [INFO] crate ryota-sakamoto/rust_study already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ryota-sakamoto/rust_study against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 083f8c759dd885c7a8abbfe6eba16eb6cf6ccd0ea298de1ff2b5deded045aefd [INFO] running `"docker" "start" "-a" "083f8c759dd885c7a8abbfe6eba16eb6cf6ccd0ea298de1ff2b5deded045aefd"` [INFO] [stderr] Compiling rust_test v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/list.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | / macro_rules! list { [INFO] [stderr] 54 | | ($($n: expr),*) => { [INFO] [stderr] 55 | | { [INFO] [stderr] 56 | | let mut list = List::empty_list(); [INFO] [stderr] ... | [INFO] [stderr] 74 | | }; [INFO] [stderr] 75 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `call` [INFO] [stderr] --> src/module.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn call() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `List` [INFO] [stderr] --> src/list.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub enum List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `empty_list` [INFO] [stderr] --> src/list.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn empty_list() -> List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `prepend` [INFO] [stderr] --> src/list.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn prepend(self, t: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `head` [INFO] [stderr] --> src/list.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn head(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `last` [INFO] [stderr] --> src/list.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn last(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/list.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tailrec` [INFO] [stderr] --> src/list.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | fn tailrec(list: &List) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:27:26 [INFO] [stderr] | [INFO] [stderr] 27 | &List::List {head: ref head, tail: _} => head, [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:26 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:42 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:22 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:38 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/list.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | / macro_rules! list { [INFO] [stderr] 54 | | ($($n: expr),*) => { [INFO] [stderr] 55 | | { [INFO] [stderr] 56 | | let mut list = List::empty_list(); [INFO] [stderr] ... | [INFO] [stderr] 74 | | }; [INFO] [stderr] 75 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:78:19 [INFO] [stderr] | [INFO] [stderr] 78 | let func: Box u64> = Box::new(|a| a.pow(2)); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> u64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `head` [INFO] [stderr] --> src/list.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn head(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `last` [INFO] [stderr] --> src/list.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn last(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/list.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tailrec` [INFO] [stderr] --> src/list.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | fn tailrec(list: &List) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:27:26 [INFO] [stderr] | [INFO] [stderr] 27 | &List::List {head: ref head, tail: _} => head, [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:26 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:42 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:22 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:38 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `"docker" "inspect" "083f8c759dd885c7a8abbfe6eba16eb6cf6ccd0ea298de1ff2b5deded045aefd"` [INFO] running `"docker" "rm" "-f" "083f8c759dd885c7a8abbfe6eba16eb6cf6ccd0ea298de1ff2b5deded045aefd"` [INFO] [stdout] 083f8c759dd885c7a8abbfe6eba16eb6cf6ccd0ea298de1ff2b5deded045aefd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 5485fb576fa9651224286809dd591c2b657d8c8066e602065be97f29f256452c [INFO] running `"docker" "start" "-a" "5485fb576fa9651224286809dd591c2b657d8c8066e602065be97f29f256452c"` [INFO] [stderr] Compiling rust_test v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/list.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | / macro_rules! list { [INFO] [stderr] 54 | | ($($n: expr),*) => { [INFO] [stderr] 55 | | { [INFO] [stderr] 56 | | let mut list = List::empty_list(); [INFO] [stderr] ... | [INFO] [stderr] 74 | | }; [INFO] [stderr] 75 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/list.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | / macro_rules! list { [INFO] [stderr] 54 | | ($($n: expr),*) => { [INFO] [stderr] 55 | | { [INFO] [stderr] 56 | | let mut list = List::empty_list(); [INFO] [stderr] ... | [INFO] [stderr] 74 | | }; [INFO] [stderr] 75 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:78:19 [INFO] [stderr] | [INFO] [stderr] 78 | let func: Box u64> = Box::new(|a| a.pow(2)); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> u64` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `call` [INFO] [stderr] --> src/module.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn call() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `List` [INFO] [stderr] --> src/list.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub enum List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `empty_list` [INFO] [stderr] --> src/list.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn empty_list() -> List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `prepend` [INFO] [stderr] --> src/list.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn prepend(self, t: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `head` [INFO] [stderr] --> src/list.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn head(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `last` [INFO] [stderr] --> src/list.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn last(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/list.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tailrec` [INFO] [stderr] --> src/list.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | fn tailrec(list: &List) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:27:26 [INFO] [stderr] | [INFO] [stderr] 27 | &List::List {head: ref head, tail: _} => head, [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:26 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:42 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:22 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:38 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: method is never used: `head` [INFO] [stderr] --> src/list.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn head(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `last` [INFO] [stderr] --> src/list.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn last(&self) -> &T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_empty` [INFO] [stderr] --> src/list.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tailrec` [INFO] [stderr] --> src/list.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | fn tailrec(list: &List) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:27:26 [INFO] [stderr] | [INFO] [stderr] 27 | &List::List {head: ref head, tail: _} => head, [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:26 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:34:42 [INFO] [stderr] | [INFO] [stderr] 34 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `head:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:22 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] warning: the `tail:` in this pattern is redundant [INFO] [stderr] --> src/list.rs:90:38 [INFO] [stderr] | [INFO] [stderr] 90 | &List::List {head: ref head, tail: ref tail} => { [INFO] [stderr] | -----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "5485fb576fa9651224286809dd591c2b657d8c8066e602065be97f29f256452c"` [INFO] running `"docker" "rm" "-f" "5485fb576fa9651224286809dd591c2b657d8c8066e602065be97f29f256452c"` [INFO] [stdout] 5485fb576fa9651224286809dd591c2b657d8c8066e602065be97f29f256452c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] edff6536926f1636965495ae22cc3add35d12d62511dc1bb4e8ca3b8dd49fd08 [INFO] running `"docker" "start" "-a" "edff6536926f1636965495ae22cc3add35d12d62511dc1bb4e8ca3b8dd49fd08"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_test-57f13c7b889942ca [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_test-6ccf1a6c47dd6d8f [INFO] [stderr] Doc-tests rust_test [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "edff6536926f1636965495ae22cc3add35d12d62511dc1bb4e8ca3b8dd49fd08"` [INFO] running `"docker" "rm" "-f" "edff6536926f1636965495ae22cc3add35d12d62511dc1bb4e8ca3b8dd49fd08"` [INFO] [stdout] edff6536926f1636965495ae22cc3add35d12d62511dc1bb4e8ca3b8dd49fd08