[INFO] updating cached repository https://github.com/M-Isonni/learning_Rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e5ed7c9e772ff95a1ca633c6a84905ba46300147 [INFO] testing M-Isonni/learning_Rust against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Isonni%2Flearning_Rust" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/M-Isonni/learning_Rust on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/M-Isonni/learning_Rust [INFO] finished tweaking git repo https://github.com/M-Isonni/learning_Rust [INFO] tweaked toml for git repo https://github.com/M-Isonni/learning_Rust written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/M-Isonni/learning_Rust already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 7935c90d72c9a4ea23566929bea6650527f9ba51ecc249644102ebf8e8aaa328 [INFO] running `"docker" "start" "-a" "7935c90d72c9a4ea23566929bea6650527f9ba51ecc249644102ebf8e8aaa328"` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/matches.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let mut count = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/matches.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let f = match f{ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let f = File::open("hello.txt").map_err(|error| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let f = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/panics.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let res = match res{ [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `second_result` [INFO] [stderr] --> src/panics.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let second_result = match second_result{ [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_second_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `third_result` [INFO] [stderr] --> src/panics.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | let third_result = match third_result { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_third_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | let f = File::open("hello.txt")?; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `both_integer` [INFO] [stderr] --> src/generics.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let both_integer = Point { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_both_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer_and_float` [INFO] [stderr] --> src/generics.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let integer_and_float = Point { x: 5, y: 4.0 }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_integer_and_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/traits.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let s = t.clone(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/traits.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let r = u.clone(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/matches.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/matches.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alabama` [INFO] [stderr] --> src/matches.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Alabama, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_panic` [INFO] [stderr] --> src/panics.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn make_panic(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `out_of_index_panic` [INFO] [stderr] --> src/panics.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn out_of_index_panic(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_map_error` [INFO] [stderr] --> src/panics.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn make_map_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_expect_error` [INFO] [stderr] --> src/panics.rs:49:1 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn make_expect_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `general_larget` [INFO] [stderr] --> src/generics.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | fn general_larget(list: &[T])->T{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify` [INFO] [stderr] --> src/traits.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn notify(item: impl Summary) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_overload` [INFO] [stderr] --> src/traits.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn notify_overload(item1: T, item2: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_adding_traits` [INFO] [stderr] --> src/traits.rs:44:1 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn notify_adding_traits(item: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function` [INFO] [stderr] --> src/traits.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | / fn some_function(t: T, u: U) -> i32 [INFO] [stderr] 49 | | where T: Summary + Clone, [INFO] [stderr] 50 | | U: Clone + Debug [INFO] [stderr] 51 | | { [INFO] [stderr] ... | [INFO] [stderr] 54 | | 5 [INFO] [stderr] 55 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_summarizable` [INFO] [stderr] --> src/traits.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/traits.rs:89:1 [INFO] [stderr] | [INFO] [stderr] 89 | struct Pair { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/traits.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | fn new(x: T, y: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cmp_display` [INFO] [stderr] --> src/traits.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn cmp_display(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "7935c90d72c9a4ea23566929bea6650527f9ba51ecc249644102ebf8e8aaa328"` [INFO] running `"docker" "rm" "-f" "7935c90d72c9a4ea23566929bea6650527f9ba51ecc249644102ebf8e8aaa328"` [INFO] [stdout] 7935c90d72c9a4ea23566929bea6650527f9ba51ecc249644102ebf8e8aaa328 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] ec268e0bfa28b2bf243d502b5c35a3ac8136065bb575133ab3d76a4de5bf5b58 [INFO] running `"docker" "start" "-a" "ec268e0bfa28b2bf243d502b5c35a3ac8136065bb575133ab3d76a4de5bf5b58"` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/matches.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let mut count = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/matches.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let f = match f{ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let f = File::open("hello.txt").map_err(|error| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let f = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/panics.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let res = match res{ [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `second_result` [INFO] [stderr] --> src/panics.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let second_result = match second_result{ [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_second_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `third_result` [INFO] [stderr] --> src/panics.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | let third_result = match third_result { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_third_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | let f = File::open("hello.txt")?; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `both_integer` [INFO] [stderr] --> src/generics.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let both_integer = Point { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_both_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer_and_float` [INFO] [stderr] --> src/generics.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let integer_and_float = Point { x: 5, y: 4.0 }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_integer_and_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/traits.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let s = t.clone(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/traits.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let r = u.clone(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/matches.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/matches.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alabama` [INFO] [stderr] --> src/matches.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Alabama, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_panic` [INFO] [stderr] --> src/panics.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn make_panic(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `out_of_index_panic` [INFO] [stderr] --> src/panics.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn out_of_index_panic(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_map_error` [INFO] [stderr] --> src/panics.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn make_map_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_expect_error` [INFO] [stderr] --> src/panics.rs:49:1 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn make_expect_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `general_larget` [INFO] [stderr] --> src/generics.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | fn general_larget(list: &[T])->T{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify` [INFO] [stderr] --> src/traits.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn notify(item: impl Summary) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_overload` [INFO] [stderr] --> src/traits.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn notify_overload(item1: T, item2: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_adding_traits` [INFO] [stderr] --> src/traits.rs:44:1 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn notify_adding_traits(item: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function` [INFO] [stderr] --> src/traits.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | / fn some_function(t: T, u: U) -> i32 [INFO] [stderr] 49 | | where T: Summary + Clone, [INFO] [stderr] 50 | | U: Clone + Debug [INFO] [stderr] 51 | | { [INFO] [stderr] ... | [INFO] [stderr] 54 | | 5 [INFO] [stderr] 55 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_summarizable` [INFO] [stderr] --> src/traits.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/traits.rs:89:1 [INFO] [stderr] | [INFO] [stderr] 89 | struct Pair { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/traits.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | fn new(x: T, y: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cmp_display` [INFO] [stderr] --> src/traits.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn cmp_display(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `"docker" "inspect" "ec268e0bfa28b2bf243d502b5c35a3ac8136065bb575133ab3d76a4de5bf5b58"` [INFO] running `"docker" "rm" "-f" "ec268e0bfa28b2bf243d502b5c35a3ac8136065bb575133ab3d76a4de5bf5b58"` [INFO] [stdout] ec268e0bfa28b2bf243d502b5c35a3ac8136065bb575133ab3d76a4de5bf5b58 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 8cc304c2f05188a317bc8bdc2783899769d1598f078dc0f1a59bf520be8fc743 [INFO] running `"docker" "start" "-a" "8cc304c2f05188a317bc8bdc2783899769d1598f078dc0f1a59bf520be8fc743"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/variables-e3f689c68682dd2b [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" "8cc304c2f05188a317bc8bdc2783899769d1598f078dc0f1a59bf520be8fc743"` [INFO] running `"docker" "rm" "-f" "8cc304c2f05188a317bc8bdc2783899769d1598f078dc0f1a59bf520be8fc743"` [INFO] [stdout] 8cc304c2f05188a317bc8bdc2783899769d1598f078dc0f1a59bf520be8fc743