[INFO] cloning repository https://github.com/android-coco/rust_coco [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/android-coco/rust_coco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandroid-coco%2Frust_coco", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandroid-coco%2Frust_coco'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc74c5b8442054dbbd550be349c5ac5b37fbc088 [INFO] checking android-coco/rust_coco against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandroid-coco%2Frust_coco" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/android-coco/rust_coco [INFO] finished tweaking git repo https://github.com/android-coco/rust_coco [INFO] tweaked toml for git repo https://github.com/android-coco/rust_coco written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/android-coco/rust_coco on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/android-coco/rust_coco already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a00495abb74680ce3f776036e73cfc56a2d7490cb5687a16b6229ffe3fbe458 [INFO] running `Command { std: "docker" "start" "-a" "0a00495abb74680ce3f776036e73cfc56a2d7490cb5687a16b6229ffe3fbe458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a00495abb74680ce3f776036e73cfc56a2d7490cb5687a16b6229ffe3fbe458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a00495abb74680ce3f776036e73cfc56a2d7490cb5687a16b6229ffe3fbe458", kill_on_drop: false }` [INFO] [stdout] 0a00495abb74680ce3f776036e73cfc56a2d7490cb5687a16b6229ffe3fbe458 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad10a250cdce20d0decb00693b1e1ae9dee5e8c9b88b1a8484dbbf02dc245340 [INFO] running `Command { std: "docker" "start" "-a" "ad10a250cdce20d0decb00693b1e1ae9dee5e8c9b88b1a8484dbbf02dc245340", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking p17 v0.1.0 (/opt/rustwide/workdir/p17) [INFO] [stderr] Checking p15 v0.1.0 (/opt/rustwide/workdir/p15) [INFO] [stderr] Checking p16 v0.1.0 (/opt/rustwide/workdir/p16) [INFO] [stderr] Checking p18 v0.1.0 (/opt/rustwide/workdir/p18) [INFO] [stderr] Checking p19 v0.1.0 (/opt/rustwide/workdir/p19) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> p15/src/lib.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(messenger: &T, max: usize) -> LimitTracker { [INFO] [stdout] | ^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(messenger: &T, max: usize) -> LimitTracker<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> p15/src/lib.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(messenger: &T, max: usize) -> LimitTracker { [INFO] [stdout] | ^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(messenger: &T, max: usize) -> LimitTracker<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> p19/src/main.rs:58:33 [INFO] [stdout] | [INFO] [stdout] 58 | println!("COUNTER: {}", COUNTER); [INFO] [stdout] | ^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> p19/src/main.rs:58:33 [INFO] [stdout] | [INFO] [stdout] 58 | println!("COUNTER: {}", COUNTER); [INFO] [stdout] | ^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> p17/src/post.rs:39:26 [INFO] [stdout] | [INFO] [stdout] 39 | fn content<'a>(&self,post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `options` are never read [INFO] [stdout] --> p17/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | struct SelectBox { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 4 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | options: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> p17/src/post.rs:39:26 [INFO] [stdout] | [INFO] [stdout] 39 | fn content<'a>(&self,post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `options` are never read [INFO] [stdout] --> p17/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | struct SelectBox { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 4 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | options: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `feet` [INFO] [stdout] --> p18/src/main.rs:112:10 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_feet` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inches` [INFO] [stdout] --> p18/src/main.rs:112:15 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> p18/src/main.rs:112:31 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^ help: try ignoring the field: `x: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> p18/src/main.rs:112:34 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^ help: try ignoring the field: `y: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Rgb` is never constructed [INFO] [stdout] --> p18/src/main.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 87 | enum Color { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 88 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `Write` are never constructed [INFO] [stdout] --> p18/src/main.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 92 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 93 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 94 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^ [INFO] [stdout] 95 | Write(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `feet` [INFO] [stdout] --> p18/src/main.rs:112:10 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_feet` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inches` [INFO] [stdout] --> p18/src/main.rs:112:15 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> p18/src/main.rs:112:31 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^ help: try ignoring the field: `x: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> p18/src/main.rs:112:34 [INFO] [stdout] | [INFO] [stdout] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] | ^ help: try ignoring the field: `y: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> p15/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let list = List::Cons( [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> p15/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let c = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> p15/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let d = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> p15/src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let b = ListRc::Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> p15/src/main.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let c = ListRc::Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> p15/src/main.rs:84:10 [INFO] [stdout] | [INFO] [stdout] 84 | Cons(Rc>, Rc), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ListRcAndRef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 84 - Cons(Rc>, Rc), [INFO] [stdout] 84 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> p15/src/main.rs:90:10 [INFO] [stdout] | [INFO] [stdout] 90 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ListRc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 90 - Cons(i32, Rc), [INFO] [stdout] 90 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> p15/src/main.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 96 - Cons(i32, Box), [INFO] [stdout] 96 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> p15/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let list = List::Cons( [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> p15/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let c = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> p15/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let d = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> p15/src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let b = ListRc::Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> p15/src/main.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let c = ListRc::Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> p15/src/main.rs:84:10 [INFO] [stdout] | [INFO] [stdout] 84 | Cons(Rc>, Rc), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ListRcAndRef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 84 - Cons(Rc>, Rc), [INFO] [stdout] 84 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> p15/src/main.rs:90:10 [INFO] [stdout] | [INFO] [stdout] 90 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ListRc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 90 - Cons(i32, Rc), [INFO] [stdout] 90 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> p15/src/main.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 96 - Cons(i32, Box), [INFO] [stdout] 96 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking add-one v0.1.0 (/opt/rustwide/workdir/add-one) [INFO] [stderr] Checking adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.22s [INFO] running `Command { std: "docker" "inspect" "ad10a250cdce20d0decb00693b1e1ae9dee5e8c9b88b1a8484dbbf02dc245340", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad10a250cdce20d0decb00693b1e1ae9dee5e8c9b88b1a8484dbbf02dc245340", kill_on_drop: false }` [INFO] [stdout] ad10a250cdce20d0decb00693b1e1ae9dee5e8c9b88b1a8484dbbf02dc245340