[INFO] cloning repository https://github.com/jeremieSimon/playing_w_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremieSimon/playing_w_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2034699141faea9507f698097887d818f3cde5c [INFO] checking jeremieSimon/playing_w_rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremieSimon/playing_w_rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jeremieSimon/playing_w_rust [INFO] finished tweaking git repo https://github.com/jeremieSimon/playing_w_rust [INFO] tweaked toml for git repo https://github.com/jeremieSimon/playing_w_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jeremieSimon/playing_w_rust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding atomic_refcell v0.1.13 [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding crossbeam-deque v0.8.5 [INFO] [stderr] Adding crossbeam-epoch v0.9.18 [INFO] [stderr] Adding crossbeam-utils v0.8.20 [INFO] [stderr] Adding derefable v0.1.0 [INFO] [stderr] Adding either v1.13.0 [INFO] [stderr] Adding getrandom v0.2.15 [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding libc v0.2.158 [INFO] [stderr] Adding log v0.4.22 [INFO] [stderr] Adding num_cpus v1.16.0 [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding rayon v1.10.0 [INFO] [stderr] Adding rayon-core v1.12.1 [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.76) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derefable v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e759a9dd7dac4411f4b7c3c51f986dc0bb9d86a72c79c2c1d0efaf39df453c83 [INFO] running `Command { std: "docker" "start" "-a" "e759a9dd7dac4411f4b7c3c51f986dc0bb9d86a72c79c2c1d0efaf39df453c83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e759a9dd7dac4411f4b7c3c51f986dc0bb9d86a72c79c2c1d0efaf39df453c83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e759a9dd7dac4411f4b7c3c51f986dc0bb9d86a72c79c2c1d0efaf39df453c83", kill_on_drop: false }` [INFO] [stdout] e759a9dd7dac4411f4b7c3c51f986dc0bb9d86a72c79c2c1d0efaf39df453c83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccac705c1555d4cc16295d7e0a84821434df5f7d09e7a339b3c0ce0b97932437 [INFO] running `Command { std: "docker" "start" "-a" "ccac705c1555d4cc16295d7e0a84821434df5f7d09e7a339b3c0ce0b97932437", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking ryu v1.0.2 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking atomic_refcell v0.1.13 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling derefable v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking n1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sleep` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread::{spawn, sleep}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sleep` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread::{spawn, sleep}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::var` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::env::var; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `uuid::Uuid` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use uuid::Uuid; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use atomic_refcell; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::var` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::env::var; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::future::PollableFuture` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::future::PollableFuture; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `uuid::Uuid` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use uuid::Uuid; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/io/mod.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(((io_sender, io_receiver))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - Ok(((io_sender, io_receiver))) [INFO] [stdout] 20 + Ok((io_sender, io_receiver)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use atomic_refcell; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::Poll` [INFO] [stdout] --> src/future/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::task::Poll; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::future::PollableFuture` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::future::PollableFuture; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/io/mod.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(((io_sender, io_receiver))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - Ok(((io_sender, io_receiver))) [INFO] [stdout] 20 + Ok((io_sender, io_receiver)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::Poll` [INFO] [stdout] --> src/future/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::task::Poll; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell` [INFO] [stdout] --> src/future/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DerefMut` and `Deref` [INFO] [stdout] --> src/future/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{DerefMut, Deref}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/future/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell` [INFO] [stdout] --> src/future/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DerefMut` and `Deref` [INFO] [stdout] --> src/future/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{DerefMut, Deref}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/future/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `work_sender` [INFO] [stdout] --> src/pipeline/par_map.rs:50:26 [INFO] [stdout] | [INFO] [stdout] 50 | work_sender: Sender>, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `work_sender` [INFO] [stdout] --> src/pipeline/par_map.rs:50:26 [INFO] [stdout] | [INFO] [stdout] 50 | work_sender: Sender>, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_sender` [INFO] [stdout] --> src/io/mod.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let (io_sender, io_receiver) = read(filename).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `as_string` [INFO] [stdout] --> src/io/mod.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let as_string = std::str::from_utf8(&val).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_sender` [INFO] [stdout] --> src/io/mod.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let (io_sender, io_receiver) = read(filename).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `as_string` [INFO] [stdout] --> src/io/mod.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let as_string = std::str::from_utf8(&val).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/graph/io_graph.rs:115:18 [INFO] [stdout] | [INFO] [stdout] 115 | for (name, f) in name_and_funcs { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/graph/io_graph.rs:115:18 [INFO] [stdout] | [INFO] [stdout] 115 | for (name, f) in name_and_funcs { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/future/mod.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | if let r = self.get() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/future/mod.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | if let r = self.get() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_out_sender` [INFO] [stdout] --> src/main.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_out_sender` [INFO] [stdout] --> src/main.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `apply` and `map_async` are never used [INFO] [stdout] --> src/pipeline/par_map.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl MapLikeSeq { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn map_async(&self, data: Vec>) -> Vec>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `apply` and `map_async` are never used [INFO] [stdout] --> src/pipeline/par_map.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl MapLikeSeq { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn map_async(&self, data: Vec>) -> Vec>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/concurrent.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 11 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/concurrent.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 11 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/graph/concurrent.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 43 | impl ConcurrentGraphNode where T: Clone { [INFO] [stdout] | ---------------------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn empty(f: GraphLikeFunc, m: String) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/graph/concurrent.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode { [INFO] [stdout] | --------------------------- field in this struct [INFO] [stdout] 76 | pub (in crate::graph) f: GraphLikeFunc, [INFO] [stdout] 77 | pub (in crate::graph) name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/graph/concurrent.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 43 | impl ConcurrentGraphNode where T: Clone { [INFO] [stdout] | ---------------------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn empty(f: GraphLikeFunc, m: String) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 82 | impl ConcurrentInternalGraphNode where T: Clone { [INFO] [stdout] | ------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 110 | fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/serial.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ComputeGraph where T: Clone { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | pub root: Rc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/io_graph.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct IoConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------ field in this struct [INFO] [stdout] 14 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/graph/concurrent.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode { [INFO] [stdout] | --------------------------- field in this struct [INFO] [stdout] 76 | pub (in crate::graph) f: GraphLikeFunc, [INFO] [stdout] 77 | pub (in crate::graph) name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/future/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Future { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Future { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 82 | impl ConcurrentInternalGraphNode where T: Clone { [INFO] [stdout] | ------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 110 | fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `busy_poll` is never used [INFO] [stdout] --> src/future/mod.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub trait PollableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 28 | fn busy_poll(&self) -> Option; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/serial.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ComputeGraph where T: Clone { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | pub root: Rc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `put` is never used [INFO] [stdout] --> src/future/mod.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait WritableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 58 | fn put(&self, t: T); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `yo` is never used [INFO] [stdout] --> src/future/mod.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn yo() -> Arc> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/io_graph.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct IoConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------ field in this struct [INFO] [stdout] 14 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/future/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Future { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Future { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `busy_poll` is never used [INFO] [stdout] --> src/future/mod.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub trait PollableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 28 | fn busy_poll(&self) -> Option; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `put` is never used [INFO] [stdout] --> src/future/mod.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait WritableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 58 | fn put(&self, t: T); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `yo` is never used [INFO] [stdout] --> src/future/mod.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn yo() -> Arc> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | io::write(filename_out, io_out_receiver); [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] 60 | let _ = io::write(filename_out, io_out_receiver); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | io::write(filename_out, io_out_receiver); [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] 60 | let _ = io::write(filename_out, io_out_receiver); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/pipeline/par_map.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/pipeline/par_map.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | work_sender.send(bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = work_sender.send(bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | work_sender.send(bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = work_sender.send(bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s [INFO] running `Command { std: "docker" "inspect" "ccac705c1555d4cc16295d7e0a84821434df5f7d09e7a339b3c0ce0b97932437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccac705c1555d4cc16295d7e0a84821434df5f7d09e7a339b3c0ce0b97932437", kill_on_drop: false }` [INFO] [stdout] ccac705c1555d4cc16295d7e0a84821434df5f7d09e7a339b3c0ce0b97932437 [INFO] checking jeremieSimon/playing_w_rust against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremieSimon/playing_w_rust on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jeremieSimon/playing_w_rust [INFO] finished tweaking git repo https://github.com/jeremieSimon/playing_w_rust [INFO] tweaked toml for git repo https://github.com/jeremieSimon/playing_w_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jeremieSimon/playing_w_rust 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding atomic_refcell v0.1.13 [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding crossbeam-deque v0.8.5 [INFO] [stderr] Adding crossbeam-epoch v0.9.18 [INFO] [stderr] Adding crossbeam-utils v0.8.20 [INFO] [stderr] Adding derefable v0.1.0 [INFO] [stderr] Adding either v1.13.0 [INFO] [stderr] Adding getrandom v0.2.15 [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding libc v0.2.158 [INFO] [stderr] Adding log v0.4.22 [INFO] [stderr] Adding num_cpus v1.16.0 [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding rayon v1.10.0 [INFO] [stderr] Adding rayon-core v1.12.1 [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.76) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c950090170a26b9ff3ccd50cdf07d8e313b5c14d20a4562d989c763b42cd49c2 [INFO] running `Command { std: "docker" "start" "-a" "c950090170a26b9ff3ccd50cdf07d8e313b5c14d20a4562d989c763b42cd49c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c950090170a26b9ff3ccd50cdf07d8e313b5c14d20a4562d989c763b42cd49c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c950090170a26b9ff3ccd50cdf07d8e313b5c14d20a4562d989c763b42cd49c2", kill_on_drop: false }` [INFO] [stdout] c950090170a26b9ff3ccd50cdf07d8e313b5c14d20a4562d989c763b42cd49c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca13bf4e66ef8b60400e4d7b53fcb53cc5b6984de7009ee7181aca88151fe733 [INFO] running `Command { std: "docker" "start" "-a" "ca13bf4e66ef8b60400e4d7b53fcb53cc5b6984de7009ee7181aca88151fe733", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking ryu v1.0.2 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking atomic_refcell v0.1.13 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling derefable v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking n1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sleep` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread::{spawn, sleep}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sleep` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread::{spawn, sleep}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::var` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::env::var; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::var` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::env::var; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `uuid::Uuid` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use uuid::Uuid; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use atomic_refcell; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `uuid::Uuid` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use uuid::Uuid; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use atomic_refcell; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::future::PollableFuture` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::future::PollableFuture; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::future::PollableFuture` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::future::PollableFuture; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/io/mod.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(((io_sender, io_receiver))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - Ok(((io_sender, io_receiver))) [INFO] [stdout] 20 + Ok((io_sender, io_receiver)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::Poll` [INFO] [stdout] --> src/future/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::task::Poll; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/io/mod.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(((io_sender, io_receiver))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 20 - Ok(((io_sender, io_receiver))) [INFO] [stdout] 20 + Ok((io_sender, io_receiver)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell` [INFO] [stdout] --> src/future/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::Poll` [INFO] [stdout] --> src/future/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::task::Poll; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DerefMut` and `Deref` [INFO] [stdout] --> src/future/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{DerefMut, Deref}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/future/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell` [INFO] [stdout] --> src/future/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DerefMut` and `Deref` [INFO] [stdout] --> src/future/mod.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{DerefMut, Deref}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/future/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `work_sender` [INFO] [stdout] --> src/pipeline/par_map.rs:50:26 [INFO] [stdout] | [INFO] [stdout] 50 | work_sender: Sender>, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `work_sender` [INFO] [stdout] --> src/pipeline/par_map.rs:50:26 [INFO] [stdout] | [INFO] [stdout] 50 | work_sender: Sender>, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_sender` [INFO] [stdout] --> src/io/mod.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let (io_sender, io_receiver) = read(filename).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_sender` [INFO] [stdout] --> src/io/mod.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | let (io_sender, io_receiver) = read(filename).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `as_string` [INFO] [stdout] --> src/io/mod.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let as_string = std::str::from_utf8(&val).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `as_string` [INFO] [stdout] --> src/io/mod.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let as_string = std::str::from_utf8(&val).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/graph/io_graph.rs:115:18 [INFO] [stdout] | [INFO] [stdout] 115 | for (name, f) in name_and_funcs { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/graph/io_graph.rs:115:18 [INFO] [stdout] | [INFO] [stdout] 115 | for (name, f) in name_and_funcs { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/future/mod.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | if let r = self.get() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/future/mod.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | if let r = self.get() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_out_sender` [INFO] [stdout] --> src/main.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io_out_sender` [INFO] [stdout] --> src/main.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `apply` and `map_async` are never used [INFO] [stdout] --> src/pipeline/par_map.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl MapLikeSeq { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn map_async(&self, data: Vec>) -> Vec>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/concurrent.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 11 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/graph/concurrent.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 43 | impl ConcurrentGraphNode where T: Clone { [INFO] [stdout] | ---------------------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn empty(f: GraphLikeFunc, m: String) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/graph/concurrent.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode { [INFO] [stdout] | --------------------------- field in this struct [INFO] [stdout] 76 | pub (in crate::graph) f: GraphLikeFunc, [INFO] [stdout] 77 | pub (in crate::graph) name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 82 | impl ConcurrentInternalGraphNode where T: Clone { [INFO] [stdout] | ------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 110 | fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/serial.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ComputeGraph where T: Clone { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | pub root: Rc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `apply` and `map_async` are never used [INFO] [stdout] --> src/pipeline/par_map.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl MapLikeSeq { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn map_async(&self, data: Vec>) -> Vec>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/io_graph.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct IoConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------ field in this struct [INFO] [stdout] 14 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/future/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Future { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Future { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/concurrent.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 11 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `busy_poll` is never used [INFO] [stdout] --> src/future/mod.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub trait PollableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 28 | fn busy_poll(&self) -> Option; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl ConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `put` is never used [INFO] [stdout] --> src/future/mod.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait WritableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 58 | fn put(&self, t: T); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `yo` is never used [INFO] [stdout] --> src/future/mod.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn yo() -> Arc> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/graph/concurrent.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 43 | impl ConcurrentGraphNode where T: Clone { [INFO] [stdout] | ---------------------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | pub fn empty(f: GraphLikeFunc, m: String) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/graph/concurrent.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode { [INFO] [stdout] | --------------------------- field in this struct [INFO] [stdout] 76 | pub (in crate::graph) f: GraphLikeFunc, [INFO] [stdout] 77 | pub (in crate::graph) name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/graph/concurrent.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 82 | impl ConcurrentInternalGraphNode where T: Clone { [INFO] [stdout] | ------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 110 | fn apply(&self, datum: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/serial.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ComputeGraph where T: Clone { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | pub root: Rc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/graph/io_graph.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct IoConcurrentComputeGraph where T: Clone { [INFO] [stdout] | ------------------------ field in this struct [INFO] [stdout] 14 | pub root: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/future/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Future { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Future { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `busy_poll` is never used [INFO] [stdout] --> src/future/mod.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub trait PollableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 28 | fn busy_poll(&self) -> Option; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `put` is never used [INFO] [stdout] --> src/future/mod.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 57 | pub trait WritableFuture { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 58 | fn put(&self, t: T); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `yo` is never used [INFO] [stdout] --> src/future/mod.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn yo() -> Arc> { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | io::write(filename_out, io_out_receiver); [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] 60 | let _ = io::write(filename_out, io_out_receiver); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | io::write(filename_out, io_out_receiver); [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] 60 | let _ = io::write(filename_out, io_out_receiver); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/pipeline/par_map.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/pipeline/par_map.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = io_out_sender.send(self.apply_async(work)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/io/mod.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 12 | let (io_sender, io_receiver) = channel(); [INFO] [stdout] | --------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | [INFO] [stdout] 14 | let f = File::open(filename)?; [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | let buf_reader = BufReader::new(f); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | Ok(((io_sender, io_receiver))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/io/mod.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 12 | let (io_sender, io_receiver) = channel(); [INFO] [stdout] | --------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | [INFO] [stdout] 14 | let f = File::open(filename)?; [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | let buf_reader = BufReader::new(f); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | Ok(((io_sender, io_receiver))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = io_sender.send(line.unwrap().as_bytes().to_owned()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | work_sender.send(bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = work_sender.send(bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | work_sender.send(bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = work_sender.send(bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/concurrent.rs:129:44 [INFO] [stdout] | [INFO] [stdout] 129 | return batch.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/concurrent.rs:135:39 [INFO] [stdout] | [INFO] [stdout] 135 | return data.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/serial.rs:145:44 [INFO] [stdout] | [INFO] [stdout] 145 | return batch.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/serial.rs:151:39 [INFO] [stdout] | [INFO] [stdout] 151 | return data.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/concurrent.rs:129:44 [INFO] [stdout] | [INFO] [stdout] 129 | return batch.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/concurrent.rs:135:39 [INFO] [stdout] | [INFO] [stdout] 135 | return data.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/serial.rs:145:44 [INFO] [stdout] | [INFO] [stdout] 145 | return batch.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/graph/serial.rs:151:39 [INFO] [stdout] | [INFO] [stdout] 151 | return data.iter().map(|xs| f(xs.to_vec())).collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `n1` (bin "n1" test) due to 6 previous errors; 37 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `n1` (bin "n1") due to 6 previous errors; 37 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ca13bf4e66ef8b60400e4d7b53fcb53cc5b6984de7009ee7181aca88151fe733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca13bf4e66ef8b60400e4d7b53fcb53cc5b6984de7009ee7181aca88151fe733", kill_on_drop: false }` [INFO] [stdout] ca13bf4e66ef8b60400e4d7b53fcb53cc5b6984de7009ee7181aca88151fe733