[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] testing android-coco/rust_coco against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandroid-coco%2Frust_coco" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/android-coco/rust_coco on toolchain 61223975d46f794466efa832bc7562b9707ecc46 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing android-coco/rust_coco against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandroid-coco%2Frust_coco" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/android-coco/rust_coco on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc2/source/Cargo.toml [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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing android-coco/rust_coco against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandroid-coco%2Frust_coco" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/android-coco/rust_coco on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc2/source/Cargo.toml [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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d8779beb05b0a8afe4a198cca50fa4a0bfb62fb6348d3442b789501613c4ecb [INFO] running `Command { std: "docker" "start" "-a" "9d8779beb05b0a8afe4a198cca50fa4a0bfb62fb6348d3442b789501613c4ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d8779beb05b0a8afe4a198cca50fa4a0bfb62fb6348d3442b789501613c4ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d8779beb05b0a8afe4a198cca50fa4a0bfb62fb6348d3442b789501613c4ecb", kill_on_drop: false }` [INFO] [stdout] 9d8779beb05b0a8afe4a198cca50fa4a0bfb62fb6348d3442b789501613c4ecb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd160a8ac83a7e143329d5711d224516e14d90614796da28e738a6329dace7f2 [INFO] running `Command { std: "docker" "start" "-a" "bd160a8ac83a7e143329d5711d224516e14d90614796da28e738a6329dace7f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling p17 v0.1.0 (/opt/rustwide/workdir/p17) [INFO] [stderr] Compiling p15 v0.1.0 (/opt/rustwide/workdir/p15) [INFO] [stderr] Compiling p19 v0.1.0 (/opt/rustwide/workdir/p19) [INFO] [stderr] Compiling p16 v0.1.0 (/opt/rustwide/workdir/p16) [INFO] [stderr] Compiling p18 v0.1.0 (/opt/rustwide/workdir/p18) [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: `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: 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 `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: 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: `#[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((), ()), [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] 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((), ()), [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((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling add-one v0.1.0 (/opt/rustwide/workdir/add-one) [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s [INFO] running `Command { std: "docker" "inspect" "bd160a8ac83a7e143329d5711d224516e14d90614796da28e738a6329dace7f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd160a8ac83a7e143329d5711d224516e14d90614796da28e738a6329dace7f2", kill_on_drop: false }` [INFO] [stdout] bd160a8ac83a7e143329d5711d224516e14d90614796da28e738a6329dace7f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7ae9baf5818a2dc208c935d494026de6cd2c9969e3354257b485d74c627d00f [INFO] running `Command { std: "docker" "start" "-a" "e7ae9baf5818a2dc208c935d494026de6cd2c9969e3354257b485d74c627d00f", kill_on_drop: false }` [INFO] [stderr] Compiling p18 v0.1.0 (/opt/rustwide/workdir/p18) [INFO] [stderr] Compiling p19 v0.1.0 (/opt/rustwide/workdir/p19) [INFO] [stderr] Compiling p15 v0.1.0 (/opt/rustwide/workdir/p15) [INFO] [stderr] Compiling p17 v0.1.0 (/opt/rustwide/workdir/p17) [INFO] [stderr] Compiling p16 v0.1.0 (/opt/rustwide/workdir/p16) [INFO] [stderr] Compiling add-one v0.1.0 (/opt/rustwide/workdir/add-one) [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/adder) [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: `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: `#[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((), ()), [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] 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((), ()), [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((), ()), [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "e7ae9baf5818a2dc208c935d494026de6cd2c9969e3354257b485d74c627d00f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7ae9baf5818a2dc208c935d494026de6cd2c9969e3354257b485d74c627d00f", kill_on_drop: false }` [INFO] [stdout] e7ae9baf5818a2dc208c935d494026de6cd2c9969e3354257b485d74c627d00f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e98f1b142188f074291c1466557af767748390cf0d7c104832a878bf65b101c7 [INFO] running `Command { std: "docker" "start" "-a" "e98f1b142188f074291c1466557af767748390cf0d7c104832a878bf65b101c7", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `feet` [INFO] [stdout] running 0 tests [INFO] [stderr] --> p18/src/main.rs:112:10 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_feet` [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: unused variable: `inches` [INFO] [stdout] [INFO] [stderr] --> p18/src/main.rs:112:15 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 1 test [INFO] [stderr] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stdout] test tests::it_sends_an_over_75_percent_warning_message ... ok [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inches` [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: unused variable: `x` [INFO] [stdout] [INFO] [stderr] --> p18/src/main.rs:112:31 [INFO] [stderr] | [INFO] [stderr] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stderr] | ^ help: try ignoring the field: `x: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> p18/src/main.rs:112:34 [INFO] [stderr] | [INFO] [stderr] 112 | let((feet,inches),Point { x, y }) = ((3,10),Point{x:3,y:-10}); [INFO] [stderr] | ^ help: try ignoring the field: `y: _` [INFO] [stderr] [INFO] [stderr] warning: `p18` (bin "p18" test) generated 4 warnings [INFO] [stderr] warning: unused variable: `post` [INFO] [stderr] --> p17/src/post.rs:39:26 [INFO] [stderr] | [INFO] [stderr] 39 | fn content<'a>(&self,post: &'a Post) -> &'a str { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `width`, `height`, and `options` are never read [INFO] [stderr] --> p17/src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 3 | struct SelectBox { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 4 | width: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 5 | height: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 6 | options: Vec, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> p15/src/main.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let list = List::Cons( [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> p15/src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let c = CustomSmartPointer { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> p15/src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let d = CustomSmartPointer { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> p15/src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let b = ListRc::Cons(3, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> p15/src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let c = ListRc::Cons(4, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> p15/src/main.rs:84:10 [INFO] [stderr] | [INFO] [stderr] 84 | Cons(Rc>, Rc), [INFO] [stderr] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 84 | Cons((), ()), [INFO] [stderr] | ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> p15/src/main.rs:90:10 [INFO] [stderr] | [INFO] [stderr] 90 | Cons(i32, Rc), [INFO] [stderr] | ---- ^^^ ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 90 | Cons((), ()), [INFO] [stderr] | ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> p15/src/main.rs:96:10 [INFO] [stderr] | [INFO] [stderr] 96 | Cons(i32, Box), [INFO] [stderr] | ---- ^^^ ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 96 | Cons((), ()), [INFO] [stderr] | ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: `p17` (bin "p17" test) generated 2 warnings [INFO] [stderr] warning: `p15` (bin "p15" test) generated 8 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/add_one-7e296b9bd2a6a377) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/adder-3ea6b16d6ef0eaad) [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/p15-37d7691e693aeec2) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/p15-8da59c99af7b2574) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/p16-3c69e762fab759b4) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/p17-996875fff63ff619) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/p17-6ba4876df5113f16) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/p18-72e60b68fed92dde) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/p19-ea86fcdc5116e626) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests add-one [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests p15 [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests p17 [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e98f1b142188f074291c1466557af767748390cf0d7c104832a878bf65b101c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e98f1b142188f074291c1466557af767748390cf0d7c104832a878bf65b101c7", kill_on_drop: false }` [INFO] [stdout] e98f1b142188f074291c1466557af767748390cf0d7c104832a878bf65b101c7