[INFO] cloning repository https://github.com/dopeter/rust-concept [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dopeter/rust-concept" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust-concept", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust-concept'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7fa31a328d2a47078e7d3019f421e05d7c1c1d0f [INFO] checking dopeter/rust-concept against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust-concept" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dopeter/rust-concept on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dopeter/rust-concept [INFO] finished tweaking git repo https://github.com/dopeter/rust-concept [INFO] tweaked toml for git repo https://github.com/dopeter/rust-concept written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/dopeter/rust-concept already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed6660e9bc044bf2779401939c6c6d449f1b8526c523acf6787bef40dd4a8f3c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ed6660e9bc044bf2779401939c6c6d449f1b8526c523acf6787bef40dd4a8f3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed6660e9bc044bf2779401939c6c6d449f1b8526c523acf6787bef40dd4a8f3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed6660e9bc044bf2779401939c6c6d449f1b8526c523acf6787bef40dd4a8f3c", kill_on_drop: false }` [INFO] [stdout] ed6660e9bc044bf2779401939c6c6d449f1b8526c523acf6787bef40dd4a8f3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 229616000e9cb67f2efebc38b1889617d88c3d369a968dcfd13ce50c73c52a10 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "229616000e9cb67f2efebc38b1889617d88c3d369a968dcfd13ce50c73c52a10", kill_on_drop: false }` [INFO] [stderr] Checking rust-concept v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `transfer_owner` [INFO] [stdout] --> src/owner/struct_owner.rs:66:38 [INFO] [stdout] | [INFO] [stdout] 66 | use crate::owner::struct_owner::{transfer_owner, test_struct_owner, test_struct_owner_of_ref}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `main_duration` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let main_duration = std::time::Duration::from_millis(20000); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_duration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_string_obj_clone` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let shared_string_obj_clone = shared_string_obj.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_string_obj_clone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_num_obj` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let shared_num_obj = SharedNumObj::new(21); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_num_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_num` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let test_num = 5; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_pointer_obj` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let shared_pointer_obj = SharedPointerObj::new(num_obj); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_pointer_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_pointer_obj_2_clone` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let shared_pointer_obj_2_clone = shared_pointer_obj_2.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_pointer_obj_2_clone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sss` [INFO] [stdout] --> src/owner/struct_owner.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let sss="123"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sss` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/owner/str_owner.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut name_ptr2=&mut name; [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `main_duration` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let main_duration = std::time::Duration::from_millis(20000); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_duration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_string_obj_clone` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let shared_string_obj_clone = shared_string_obj.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_string_obj_clone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_num_obj` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let shared_num_obj = SharedNumObj::new(21); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_num_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_num` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let test_num = 5; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_pointer_obj` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let shared_pointer_obj = SharedPointerObj::new(num_obj); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_pointer_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shared_pointer_obj_2_clone` [INFO] [stdout] --> src/thread_shared_obj/thread_test.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let shared_pointer_obj_2_clone = shared_pointer_obj_2.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shared_pointer_obj_2_clone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sss` [INFO] [stdout] --> src/owner/struct_owner.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let sss="123"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sss` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/owner/str_owner.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut name_ptr2=&mut name; [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.27s [INFO] running `Command { std: "docker" "inspect" "229616000e9cb67f2efebc38b1889617d88c3d369a968dcfd13ce50c73c52a10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "229616000e9cb67f2efebc38b1889617d88c3d369a968dcfd13ce50c73c52a10", kill_on_drop: false }` [INFO] [stdout] 229616000e9cb67f2efebc38b1889617d88c3d369a968dcfd13ce50c73c52a10