[INFO] cloning repository https://github.com/VengeQ/rust_recipes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VengeQ/rust_recipes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Frust_recipes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Frust_recipes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7269a26fd10615c4f83224b63b2fe8935b4b6f2d [INFO] checking VengeQ/rust_recipes against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Frust_recipes" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/VengeQ/rust_recipes on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/VengeQ/rust_recipes [INFO] finished tweaking git repo https://github.com/VengeQ/rust_recipes [INFO] tweaked toml for git repo https://github.com/VengeQ/rust_recipes written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/VengeQ/rust_recipes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0d1640bfcfde81603112228d0a724f42dee0a0336050d70d366fd6f8b52722f4 [INFO] running `Command { std: "docker" "start" "-a" "0d1640bfcfde81603112228d0a724f42dee0a0336050d70d366fd6f8b52722f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d1640bfcfde81603112228d0a724f42dee0a0336050d70d366fd6f8b52722f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d1640bfcfde81603112228d0a724f42dee0a0336050d70d366fd6f8b52722f4", kill_on_drop: false }` [INFO] [stdout] 0d1640bfcfde81603112228d0a724f42dee0a0336050d70d366fd6f8b52722f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ab08487bfb9c76da1f921dd03d91050c1a02c1f8d8a9b262601e273eebc9358 [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" "2ab08487bfb9c76da1f921dd03d91050c1a02c1f8d8a9b262601e273eebc9358", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking getrandom v0.1.12 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking rust-pilib v0.1.0 (/opt/rustwide/workdir/rust-pilib) [INFO] [stderr] Checking rust_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/conc.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> src/conc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> src/conc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_number` [INFO] [stdout] --> src/conc.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | fn shared_data_thread(a_number: i32, a_vec: Vec) -> thread::JoinHandle> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/conc.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | for x in 0..10 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simple_threads_example` [INFO] [stdout] --> src/conc.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn simple_threads_example() -> thread::JoinHandle<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shared_data_thread` [INFO] [stdout] --> src/conc.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn shared_data_thread(a_number: i32, a_vec: Vec) -> thread::JoinHandle> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parallel_map` [INFO] [stdout] --> src/conc.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn parallel_map(data: Vec>, f: fn(i32) -> i32) -> Vec>> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shared_date` [INFO] [stdout] --> src/conc.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn shared_date(data: Arc>) -> thread::JoinHandle<()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_number` [INFO] [stdout] --> src/conc.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | fn shared_data_thread(a_number: i32, a_vec: Vec) -> thread::JoinHandle> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/conc.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | for x in 0..10 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/conc.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | for i in 1..5 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | sender.send(Person { name: "Vasya".to_owned(), age: random::() % 40 + 10 }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | sender.send(Person { name: "Vasya".to_owned(), age: random::() % 40 + 10 }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.93s [INFO] running `Command { std: "docker" "inspect" "2ab08487bfb9c76da1f921dd03d91050c1a02c1f8d8a9b262601e273eebc9358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ab08487bfb9c76da1f921dd03d91050c1a02c1f8d8a9b262601e273eebc9358", kill_on_drop: false }` [INFO] [stdout] 2ab08487bfb9c76da1f921dd03d91050c1a02c1f8d8a9b262601e273eebc9358