[INFO] cloning repository https://github.com/gwelter/rurst_examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwelter/rurst_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwelter%2Frurst_examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwelter%2Frurst_examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e49197bc59251ec7dcaafe3a9abd99973e6ee6a5 [INFO] building gwelter/rurst_examples 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%2Fgwelter%2Frurst_examples" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gwelter/rurst_examples 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/gwelter/rurst_examples [INFO] finished tweaking git repo https://github.com/gwelter/rurst_examples [INFO] tweaked toml for git repo https://github.com/gwelter/rurst_examples written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gwelter/rurst_examples 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e7b508967dd639707a110d966703fd77ce543aa81c6f0fcbde8342b746dd26b [INFO] running `Command { std: "docker" "start" "-a" "9e7b508967dd639707a110d966703fd77ce543aa81c6f0fcbde8342b746dd26b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e7b508967dd639707a110d966703fd77ce543aa81c6f0fcbde8342b746dd26b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e7b508967dd639707a110d966703fd77ce543aa81c6f0fcbde8342b746dd26b", kill_on_drop: false }` [INFO] [stdout] 9e7b508967dd639707a110d966703fd77ce543aa81c6f0fcbde8342b746dd26b [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 -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] 8412479c36b7b5647ab83b3ac7ffa87fb0dfc11b9642752efacf3c03883f26b5 [INFO] running `Command { std: "docker" "start" "-a" "8412479c36b7b5647ab83b3ac7ffa87fb0dfc11b9642752efacf3c03883f26b5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [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 generics-and-traits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `auth_service` [INFO] [stdout] --> src/rc_smart_pointers.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let auth_service = AuthService { db: Rc::clone(&db) }; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auth_service` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `content_service` [INFO] [stdout] --> src/rc_smart_pointers.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let content_service = ContentService { db: Rc::clone(&db) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_service` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rc_smart_pointers.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut r1 = db.borrow_mut(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `db` is never read [INFO] [stdout] --> src/rc_smart_pointers.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct AuthService { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | db: Rc>, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `db` is never read [INFO] [stdout] --> src/rc_smart_pointers.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct ContentService { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 11 | db: Rc>, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `get_max` is never used [INFO] [stdout] --> src/super_traits.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | trait Bounded: Default { [INFO] [stdout] | ------- associated function in this trait [INFO] [stdout] 2 | fn get_max() -> Self; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `drive` is never used [INFO] [stdout] --> src/traits.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | trait Vehicle: Paint { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 13 | fn drive(&self); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `make`, `model`, and `year` are never read [INFO] [stdout] --> src/traits.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct VehicleInfo { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 17 | make: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | model: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | year: u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `info` is never read [INFO] [stdout] --> src/traits.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | struct Car { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 23 | info: VehicleInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `info` is never read [INFO] [stdout] --> src/traits.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct Truck { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 27 | info: VehicleInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.32s [INFO] running `Command { std: "docker" "inspect" "8412479c36b7b5647ab83b3ac7ffa87fb0dfc11b9642752efacf3c03883f26b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8412479c36b7b5647ab83b3ac7ffa87fb0dfc11b9642752efacf3c03883f26b5", kill_on_drop: false }` [INFO] [stdout] 8412479c36b7b5647ab83b3ac7ffa87fb0dfc11b9642752efacf3c03883f26b5 [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 -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] f2d7f3abe8aad7398162733ab3392c528b30fa2a325ff27c994d0c75b9ff8f1e [INFO] running `Command { std: "docker" "start" "-a" "f2d7f3abe8aad7398162733ab3392c528b30fa2a325ff27c994d0c75b9ff8f1e", kill_on_drop: false }` [INFO] [stderr] Compiling generics-and-traits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `auth_service` [INFO] [stdout] --> src/rc_smart_pointers.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let auth_service = AuthService { db: Rc::clone(&db) }; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auth_service` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `content_service` [INFO] [stdout] --> src/rc_smart_pointers.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let content_service = ContentService { db: Rc::clone(&db) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_service` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rc_smart_pointers.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut r1 = db.borrow_mut(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `db` is never read [INFO] [stdout] --> src/rc_smart_pointers.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct AuthService { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | db: Rc>, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `db` is never read [INFO] [stdout] --> src/rc_smart_pointers.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct ContentService { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 11 | db: Rc>, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `get_max` is never used [INFO] [stdout] --> src/super_traits.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | trait Bounded: Default { [INFO] [stdout] | ------- associated function in this trait [INFO] [stdout] 2 | fn get_max() -> Self; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `drive` is never used [INFO] [stdout] --> src/traits.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | trait Vehicle: Paint { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 13 | fn drive(&self); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `make`, `model`, and `year` are never read [INFO] [stdout] --> src/traits.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct VehicleInfo { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 17 | make: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | model: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | year: u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `info` is never read [INFO] [stdout] --> src/traits.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | struct Car { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 23 | info: VehicleInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `info` is never read [INFO] [stdout] --> src/traits.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct Truck { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 27 | info: VehicleInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "f2d7f3abe8aad7398162733ab3392c528b30fa2a325ff27c994d0c75b9ff8f1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2d7f3abe8aad7398162733ab3392c528b30fa2a325ff27c994d0c75b9ff8f1e", kill_on_drop: false }` [INFO] [stdout] f2d7f3abe8aad7398162733ab3392c528b30fa2a325ff27c994d0c75b9ff8f1e