[INFO] cloning repository https://github.com/danhje/rust-slides [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danhje/rust-slides" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanhje%2Frust-slides", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanhje%2Frust-slides'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56c54e460eff660ad5d4de10fdbee0ab9543e167 [INFO] building danhje/rust-slides against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanhje%2Frust-slides" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danhje/rust-slides on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danhje/rust-slides [INFO] finished tweaking git repo https://github.com/danhje/rust-slides [INFO] tweaked toml for git repo https://github.com/danhje/rust-slides written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/danhje/rust-slides 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f5b2b8a7196164a527b498564b21071c0499a21102936fc0e6fa1d4b8a41872 [INFO] running `Command { std: "docker" "start" "-a" "2f5b2b8a7196164a527b498564b21071c0499a21102936fc0e6fa1d4b8a41872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f5b2b8a7196164a527b498564b21071c0499a21102936fc0e6fa1d4b8a41872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f5b2b8a7196164a527b498564b21071c0499a21102936fc0e6fa1d4b8a41872", kill_on_drop: false }` [INFO] [stdout] 2f5b2b8a7196164a527b498564b21071c0499a21102936fc0e6fa1d4b8a41872 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97ca7e4cc5fa0c267f8699dd984036d4349beda3cdc1da34db042dd23ac8636e [INFO] running `Command { std: "docker" "start" "-a" "97ca7e4cc5fa0c267f8699dd984036d4349beda3cdc1da34db042dd23ac8636e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [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 rust-slides-code-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `favorite_color` [INFO] [stdout] --> src/enums.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let favorite_color = Color::Blue; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_favorite_color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_pet` [INFO] [stdout] --> src/enums.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let first_pet = Pet::Goldfish; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_pet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second_pet` [INFO] [stdout] --> src/enums.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let second_pet = Pet::Cat("Misty".to_string()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_pet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `third_pet` [INFO] [stdout] --> src/enums.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let third_pet = Pet::Dog { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_third_pet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red` and `Green` are never constructed [INFO] [stdout] --> src/enums.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 11 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enums.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | Cat(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 | Cat(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/enums.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | Dog { name: String, age: u8 }, [INFO] [stdout] | --- ^^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s [INFO] running `Command { std: "docker" "inspect" "97ca7e4cc5fa0c267f8699dd984036d4349beda3cdc1da34db042dd23ac8636e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97ca7e4cc5fa0c267f8699dd984036d4349beda3cdc1da34db042dd23ac8636e", kill_on_drop: false }` [INFO] [stdout] 97ca7e4cc5fa0c267f8699dd984036d4349beda3cdc1da34db042dd23ac8636e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbf71a6b326bb26252623faaf811d5d9e3b4c928e856c73a2b2b46a4d0849728 [INFO] running `Command { std: "docker" "start" "-a" "fbf71a6b326bb26252623faaf811d5d9e3b4c928e856c73a2b2b46a4d0849728", kill_on_drop: false }` [INFO] [stderr] Compiling rust-slides-code-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `favorite_color` [INFO] [stdout] --> src/enums.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let favorite_color = Color::Blue; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_favorite_color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_pet` [INFO] [stdout] --> src/enums.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let first_pet = Pet::Goldfish; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_pet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second_pet` [INFO] [stdout] --> src/enums.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let second_pet = Pet::Cat("Misty".to_string()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_pet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `third_pet` [INFO] [stdout] --> src/enums.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let third_pet = Pet::Dog { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_third_pet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red` and `Green` are never constructed [INFO] [stdout] --> src/enums.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 11 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enums.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | Cat(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 | Cat(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/enums.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | Dog { name: String, age: u8 }, [INFO] [stdout] | --- ^^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "fbf71a6b326bb26252623faaf811d5d9e3b4c928e856c73a2b2b46a4d0849728", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbf71a6b326bb26252623faaf811d5d9e3b4c928e856c73a2b2b46a4d0849728", kill_on_drop: false }` [INFO] [stdout] fbf71a6b326bb26252623faaf811d5d9e3b4c928e856c73a2b2b46a4d0849728