[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7269a26fd10615c4f83224b63b2fe8935b4b6f2d [INFO] checking VengeQ/rust_recipes/7269a26fd10615c4f83224b63b2fe8935b4b6f2d against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Frust_recipes" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/VengeQ/rust_recipes on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9190d641bc2dbb8ad9f68a1e906e9808f379487e5e9fc668536a4fe1d6d1f214 [INFO] running `Command { std: "docker" "start" "-a" "9190d641bc2dbb8ad9f68a1e906e9808f379487e5e9fc668536a4fe1d6d1f214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9190d641bc2dbb8ad9f68a1e906e9808f379487e5e9fc668536a4fe1d6d1f214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9190d641bc2dbb8ad9f68a1e906e9808f379487e5e9fc668536a4fe1d6d1f214", kill_on_drop: false }` [INFO] [stdout] 9190d641bc2dbb8ad9f68a1e906e9808f379487e5e9fc668536a4fe1d6d1f214 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9254781308be00d66af456aa2a55f02c04888bef7ff5231eb189b7e0c6c0566 [INFO] running `Command { std: "docker" "start" "-a" "b9254781308be00d66af456aa2a55f02c04888bef7ff5231eb189b7e0c6c0566", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking c2-chacha v0.2.3 [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: `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 `simple_threads_example` is never used [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 `shared_data_thread` is never used [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 `parallel_map` is never used [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 `shared_date` is never used [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: `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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = sender.send(Person { name: "Vasya".to_owned(), age: random::() % 40 + 10 }); [INFO] [stdout] | +++++++ [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = sender.send(Person { name: "Vasya".to_owned(), age: random::() % 40 + 10 }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.06s [INFO] running `Command { std: "docker" "inspect" "b9254781308be00d66af456aa2a55f02c04888bef7ff5231eb189b7e0c6c0566", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9254781308be00d66af456aa2a55f02c04888bef7ff5231eb189b7e0c6c0566", kill_on_drop: false }` [INFO] [stdout] b9254781308be00d66af456aa2a55f02c04888bef7ff5231eb189b7e0c6c0566