[INFO] cloning repository https://github.com/EelenZ/MR [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EelenZ/MR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelenZ%2FMR", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelenZ%2FMR'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b0434cab295d08c9be36058b6461c27009d579e6 [INFO] checking EelenZ/MR against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelenZ%2FMR" "/workspace/builds/worker-48/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EelenZ/MR on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EelenZ/MR [INFO] finished tweaking git repo https://github.com/EelenZ/MR [INFO] tweaked toml for git repo https://github.com/EelenZ/MR written to /workspace/builds/worker-48/source/Cargo.toml [INFO] crate git repo https://github.com/EelenZ/MR already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5f3effb8633d7b1ca29777e47ab5d0443d40204fde69286dd6e5eb31c9c700e [INFO] running `Command { std: "docker" "start" "-a" "e5f3effb8633d7b1ca29777e47ab5d0443d40204fde69286dd6e5eb31c9c700e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5f3effb8633d7b1ca29777e47ab5d0443d40204fde69286dd6e5eb31c9c700e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5f3effb8633d7b1ca29777e47ab5d0443d40204fde69286dd6e5eb31c9c700e", kill_on_drop: false }` [INFO] [stdout] e5f3effb8633d7b1ca29777e47ab5d0443d40204fde69286dd6e5eb31c9c700e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38723f328c94e5ab637de01daef2212765b6ce799f1938384f9c33f776c7c744 [INFO] running `Command { std: "docker" "start" "-a" "38723f328c94e5ab637de01daef2212765b6ce799f1938384f9c33f776c7c744", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking spinning_top v0.2.2 [INFO] [stderr] Compiling miniz_oxide v0.4.2 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking flume v0.9.0 [INFO] [stderr] Checking MR v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `info`, `trace`, `warn` [INFO] [stdout] --> src/worker.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use log::{info, trace, warn}; [INFO] [stdout] | ^^^^ ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MRError`, `Result` [INFO] [stdout] --> src/worker.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::error::{MRError, Result}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/worker.rs:23:18 [INFO] [stdout] | [INFO] [stdout] 23 | pub map: Arc) -> Vec + Sync + Send>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(BufReader) -> Vec + Sync + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/worker.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | pub reduce: Arc>) -> String + Sync + Send>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec>) -> String + Sync + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | map: Arc) -> Vec + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(BufReader) -> Vec + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | reduce: Arc>) -> String + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec>) -> String + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:27:21 [INFO] [stdout] | [INFO] [stdout] 27 | map: Arc) -> Vec + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(BufReader) -> Vec + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:28:24 [INFO] [stdout] | [INFO] [stdout] 28 | reduce: Arc>) -> String + Send + Sync> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec>) -> String + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure:: Fail` [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use failure:: Fail; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | 'a' ... 'e' => a_to_e.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | 'f' ... 'k' => f_to_k.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `info`, `trace`, `warn` [INFO] [stdout] --> src/worker.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use log::{info, trace, warn}; [INFO] [stdout] | ^^^^ ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | 'l' ... 'q' => l_to_q.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | 'r' ... 't' => r_to_t.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `MRError`, `Result` [INFO] [stdout] --> src/worker.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::error::{MRError, Result}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 85 | 'u' ... 'z' => u_to_z.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/worker.rs:23:18 [INFO] [stdout] | [INFO] [stdout] 23 | pub map: Arc) -> Vec + Sync + Send>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(BufReader) -> Vec + Sync + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/worker.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | pub reduce: Arc>) -> String + Sync + Send>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec>) -> String + Sync + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | map: Arc) -> Vec + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(BufReader) -> Vec + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | reduce: Arc>) -> String + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec>) -> String + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:27:21 [INFO] [stdout] | [INFO] [stdout] 27 | map: Arc) -> Vec + Send + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(BufReader) -> Vec + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/master.rs:28:24 [INFO] [stdout] | [INFO] [stdout] 28 | reduce: Arc>) -> String + Send + Sync> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec>) -> String + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure:: Fail` [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use failure:: Fail; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | 'a' ... 'e' => a_to_e.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | 'f' ... 'k' => f_to_k.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | 'l' ... 'q' => l_to_q.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | 'r' ... 't' => r_to_t.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 85 | 'u' ... 'z' => u_to_z.push(line), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_files` [INFO] [stdout] --> src/main.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | let result_files = master.run(4); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_files` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_files` [INFO] [stdout] --> src/main.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | let result_files = master.run(4); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_files` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/worker.rs:96:15 [INFO] [stdout] | [INFO] [stdout] 96 | fn map_fn(input: BufReader) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/worker.rs:99:18 [INFO] [stdout] | [INFO] [stdout] 99 | fn reduce_fn(input: Vec>) -> String { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/master.rs:155:15 [INFO] [stdout] | [INFO] [stdout] 155 | fn map_fn(input: BufReader) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/master.rs:158:18 [INFO] [stdout] | [INFO] [stdout] 158 | fn reduce_fn(input: Vec>) -> String { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/master.rs:69:58 [INFO] [stdout] | [INFO] [stdout] 69 | ... let mut files = grouped.entry(key).or_insert(vec![]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/error.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | pub type Result = std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `MR` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `mr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/master.rs:69:58 [INFO] [stdout] | [INFO] [stdout] 69 | ... let mut files = grouped.entry(key).or_insert(vec![]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/worker.rs:37:21 [INFO] [stdout] | [INFO] [stdout] 37 | self.results_queue.send(JobResult::MapFinished(job_id)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/worker.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | self.results_queue.send(JobResult::ReduceFinished(job_id)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/master.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | self.job_queue.send(Job::Map(((index + 1) as i32, input.clone()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/master.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | self.job_queue.send(Job::Reduce((index, group))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/master.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | / self.results_queue.recv() [INFO] [stdout] 122 | | .map(|_| { [INFO] [stdout] 123 | | n_complete += 1 [INFO] [stdout] 124 | | }); [INFO] [stdout] | |_________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/error.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | pub type Result = std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `MR` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `mr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/worker.rs:37:21 [INFO] [stdout] | [INFO] [stdout] 37 | self.results_queue.send(JobResult::MapFinished(job_id)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/worker.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | self.results_queue.send(JobResult::ReduceFinished(job_id)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/worker.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | work_send.send(Job::Map((1, map_file.clone()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/master.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | self.job_queue.send(Job::Map(((index + 1) as i32, input.clone()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/master.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | self.job_queue.send(Job::Reduce((index, group))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/master.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | / self.results_queue.recv() [INFO] [stdout] 122 | | .map(|_| { [INFO] [stdout] 123 | | n_complete += 1 [INFO] [stdout] 124 | | }); [INFO] [stdout] | |_________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.89s [INFO] running `Command { std: "docker" "inspect" "38723f328c94e5ab637de01daef2212765b6ce799f1938384f9c33f776c7c744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38723f328c94e5ab637de01daef2212765b6ce799f1938384f9c33f776c7c744", kill_on_drop: false }` [INFO] [stdout] 38723f328c94e5ab637de01daef2212765b6ce799f1938384f9c33f776c7c744