[INFO] cloning repository https://github.com/kristiansel/rust-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kristiansel/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristiansel%2Frust-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristiansel%2Frust-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17f102cb7592f107e67adebf3a66f3eeace8b6f6 [INFO] testing kristiansel/rust-demo against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristiansel%2Frust-demo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kristiansel/rust-demo [INFO] finished tweaking git repo https://github.com/kristiansel/rust-demo [INFO] tweaked toml for git repo https://github.com/kristiansel/rust-demo written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kristiansel/rust-demo on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kristiansel/rust-demo 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ebc2a667c8f3084bb6fbff963fffbf03e25e6e4f93ec50b236695dc8c3650d7 [INFO] running `Command { std: "docker" "start" "-a" "1ebc2a667c8f3084bb6fbff963fffbf03e25e6e4f93ec50b236695dc8c3650d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ebc2a667c8f3084bb6fbff963fffbf03e25e6e4f93ec50b236695dc8c3650d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ebc2a667c8f3084bb6fbff963fffbf03e25e6e4f93ec50b236695dc8c3650d7", kill_on_drop: false }` [INFO] [stdout] 1ebc2a667c8f3084bb6fbff963fffbf03e25e6e4f93ec50b236695dc8c3650d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d700cc9bd7f9c6a22daaf1e4e0cec479f1559483dd946a280ff105140215cbc [INFO] running `Command { std: "docker" "start" "-a" "5d700cc9bd7f9c6a22daaf1e4e0cec479f1559483dd946a280ff105140215cbc", kill_on_drop: false }` [INFO] [stderr] Compiling rust-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "5d700cc9bd7f9c6a22daaf1e4e0cec479f1559483dd946a280ff105140215cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d700cc9bd7f9c6a22daaf1e4e0cec479f1559483dd946a280ff105140215cbc", kill_on_drop: false }` [INFO] [stdout] 5d700cc9bd7f9c6a22daaf1e4e0cec479f1559483dd946a280ff105140215cbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 597aed8567b6a13e9d65f15946724f2b0b1e561b3117d474c0269e10f8ebcc70 [INFO] running `Command { std: "docker" "start" "-a" "597aed8567b6a13e9d65f15946724f2b0b1e561b3117d474c0269e10f8ebcc70", kill_on_drop: false }` [INFO] [stderr] Compiling rust-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> examples/10_derive_macro.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | age: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Greet` is never used [INFO] [stdout] --> examples/04_traits.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | trait Greet { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg1` [INFO] [stdout] --> examples/02_enums.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let msg1 = Message::Move { x: 10, y: 20 }; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_msg1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg2` [INFO] [stdout] --> examples/02_enums.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let msg2 = Message::Write { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_msg2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg3` [INFO] [stdout] --> examples/02_enums.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let msg3 = Message::ChangeColor(255, 0, 0); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_msg3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg4` [INFO] [stdout] --> examples/02_enums.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let msg4 = Message::Quit; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_msg4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> examples/02_enums.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let c = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> examples/02_enums.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | Move { x: i32, y: i32 }, [INFO] [stdout] | ---- ^ ^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `message` is never read [INFO] [stdout] --> examples/02_enums.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | Write { message: String }, [INFO] [stdout] | ----- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> examples/02_enums.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | ChangeColor(i32, i32, i32), [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] 5 - ChangeColor(i32, i32, i32), [INFO] [stdout] 5 + ChangeColor((), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_message` is never used [INFO] [stdout] --> examples/02_enums.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn process_message(msg: Message) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0046]: not all trait items implemented, missing: `shout` [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 3 | fn shout(); [INFO] [stdout] | ----------- `shout` from trait [INFO] [stdout] ... [INFO] [stdout] 9 | impl Animal for Dog { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ missing `shout` in implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0046]: not all trait items implemented, missing: `shout` [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 3 | fn shout(); [INFO] [stdout] | ----------- `shout` from trait [INFO] [stdout] ... [INFO] [stdout] 15 | impl Animal for Cat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ missing `shout` in implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `Animal` is not dyn compatible [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:21:31 [INFO] [stdout] | [INFO] [stdout] 21 | fn make_animal_speak(animal: &dyn Animal) { [INFO] [stdout] | ^^^^^^^^^^ `Animal` is not dyn compatible [INFO] [stdout] | [INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable [INFO] [stdout] for more information, visit [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 1 | trait Animal { [INFO] [stdout] | ------ this trait is not dyn compatible... [INFO] [stdout] 2 | fn speak(&self); [INFO] [stdout] 3 | fn shout(); [INFO] [stdout] | ^^^^^ ...because associated function `shout` has no `self` parameter [INFO] [stdout] = help: the following types implement `Animal`: [INFO] [stdout] Dog [INFO] [stdout] Cat [INFO] [stdout] consider defining an enum where each variant holds one of these types, [INFO] [stdout] implementing `Animal` for this new enum and using it instead [INFO] [stdout] help: consider turning `shout` into a method by giving it a `&self` argument [INFO] [stdout] | [INFO] [stdout] 3 | fn shout(&self); [INFO] [stdout] | +++++ [INFO] [stdout] help: alternatively, consider constraining `shout` so it does not apply to trait objects [INFO] [stdout] | [INFO] [stdout] 3 | fn shout() where Self: Sized; [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `Animal` is not dyn compatible [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:29:23 [INFO] [stdout] | [INFO] [stdout] 29 | make_animal_speak(&dog); [INFO] [stdout] | ^^^^ `Animal` is not dyn compatible [INFO] [stdout] | [INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable [INFO] [stdout] for more information, visit [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 1 | trait Animal { [INFO] [stdout] | ------ this trait is not dyn compatible... [INFO] [stdout] 2 | fn speak(&self); [INFO] [stdout] 3 | fn shout(); [INFO] [stdout] | ^^^^^ ...because associated function `shout` has no `self` parameter [INFO] [stdout] = help: the following types implement `Animal`: [INFO] [stdout] Dog [INFO] [stdout] Cat [INFO] [stdout] consider defining an enum where each variant holds one of these types, [INFO] [stdout] implementing `Animal` for this new enum and using it instead [INFO] [stdout] help: consider turning `shout` into a method by giving it a `&self` argument [INFO] [stdout] | [INFO] [stdout] 3 | fn shout(&self); [INFO] [stdout] | +++++ [INFO] [stdout] help: alternatively, consider constraining `shout` so it does not apply to trait objects [INFO] [stdout] | [INFO] [stdout] 3 | fn shout() where Self: Sized; [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `Animal` is not dyn compatible [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | make_animal_speak(&cat); [INFO] [stdout] | ^^^^ `Animal` is not dyn compatible [INFO] [stdout] | [INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable [INFO] [stdout] for more information, visit [INFO] [stdout] --> examples/06_dynamic_dispatch.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 1 | trait Animal { [INFO] [stdout] | ------ this trait is not dyn compatible... [INFO] [stdout] 2 | fn speak(&self); [INFO] [stdout] 3 | fn shout(); [INFO] [stdout] | ^^^^^ ...because associated function `shout` has no `self` parameter [INFO] [stdout] = help: the following types implement `Animal`: [INFO] [stdout] Dog [INFO] [stdout] Cat [INFO] [stdout] consider defining an enum where each variant holds one of these types, [INFO] [stdout] implementing `Animal` for this new enum and using it instead [INFO] [stdout] help: consider turning `shout` into a method by giving it a `&self` argument [INFO] [stdout] | [INFO] [stdout] 3 | fn shout(&self); [INFO] [stdout] | +++++ [INFO] [stdout] help: alternatively, consider constraining `shout` so it does not apply to trait objects [INFO] [stdout] | [INFO] [stdout] 3 | fn shout() where Self: Sized; [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0038, E0046. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0038`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-demo` (example "06_dynamic_dispatch") due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "597aed8567b6a13e9d65f15946724f2b0b1e561b3117d474c0269e10f8ebcc70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "597aed8567b6a13e9d65f15946724f2b0b1e561b3117d474c0269e10f8ebcc70", kill_on_drop: false }` [INFO] [stdout] 597aed8567b6a13e9d65f15946724f2b0b1e561b3117d474c0269e10f8ebcc70