[INFO] cloning repository https://github.com/armanriazi/rust-all-in-one-projects [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/armanriazi/rust-all-in-one-projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmanriazi%2Frust-all-in-one-projects", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmanriazi%2Frust-all-in-one-projects'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5df0e069bf13d8bd5bf43d6f62790c6acece5b3 [INFO] checking armanriazi/rust-all-in-one-projects against try#8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce for pr-112988 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmanriazi%2Frust-all-in-one-projects" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/armanriazi/rust-all-in-one-projects on toolchain 8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/armanriazi/rust-all-in-one-projects [INFO] finished tweaking git repo https://github.com/armanriazi/rust-all-in-one-projects [INFO] tweaked toml for git repo https://github.com/armanriazi/rust-all-in-one-projects written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/armanriazi/rust-all-in-one-projects 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" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a29230d4de12c564ddd01928efd45392a31011ad29e8e7e222afdacc4132e9dd [INFO] running `Command { std: "docker" "start" "-a" "a29230d4de12c564ddd01928efd45392a31011ad29e8e7e222afdacc4132e9dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a29230d4de12c564ddd01928efd45392a31011ad29e8e7e222afdacc4132e9dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a29230d4de12c564ddd01928efd45392a31011ad29e8e7e222afdacc4132e9dd", kill_on_drop: false }` [INFO] [stdout] a29230d4de12c564ddd01928efd45392a31011ad29e8e7e222afdacc4132e9dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c32028b80d772ad5d9da54892e27c2e4d096187a58a7e3d9fca70065eb5e39af [INFO] running `Command { std: "docker" "start" "-a" "c32028b80d772ad5d9da54892e27c2e4d096187a58a7e3d9fca70065eb5e39af", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.50 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling serde_json v1.0.91 [INFO] [stderr] Checking ryu v1.0.12 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling parking_lot_core v0.9.6 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling tokio v1.25.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling jobserver v0.1.25 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Checking array2d v0.3.0 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking once_cell v1.17.0 [INFO] [stderr] Checking fuzz_lib v0.1.0 (/opt/rustwide/workdir/workspace/projects/fuzzme/rust-in-action/fuzz_lib) [INFO] [stderr] Checking process_line_lib v0.1.0 (/opt/rustwide/workdir/workspace/projects/process_line/rust-in-action/process_line_lib) [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking todolist_parser_lib v0.1.0 (/opt/rustwide/workdir/workspace/projects/error/master-rust/todolist-parser/todolist_parser_lib) [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking satelite_messaging_lib v0.1.0 (/opt/rustwide/workdir/workspace/projects/satelite_messaging/rust-in-action/satelite_messaging_lib) [INFO] [stderr] Checking file_lib v0.1.0 (/opt/rustwide/workdir/workspace/projects/file/rust-in-action/file_lib) [INFO] [stderr] Checking pacman_test v0.1.0 (/opt/rustwide/workdir/workspace/projects/pacman/my/pacman_test) [INFO] [stdout] warning: field `tasks` is never read [INFO] [stdout] --> workspace/projects/error/master-rust/todolist-parser/todolist_parser_lib/src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TodoList { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 16 | tasks: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TodoList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking todolist_parser_bin v0.1.0 (/opt/rustwide/workdir/workspace/projects/error/master-rust/todolist-parser/todolist_parser_bin) [INFO] [stdout] warning: unused import: `self::common::setup` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_test/test/integration_indep_test.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use self::common::setup; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> workspace/projects/file/rust-in-action/file_lib/src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking shared v0.1.0 (/opt/rustwide/workdir/workspace/shared) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking file_bin v0.0.0 (/opt/rustwide/workdir/workspace/projects/file/rust-in-action/file_bin) [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> workspace/projects/file/rust-in-action/file_lib/src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> workspace/projects/error/master-rust/todolist-parser/todolist_parser_bin/src/todolist-parser-main.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | println!("{}", e.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> workspace/projects/error/master-rust/todolist-parser/todolist_parser_bin/src/todolist-parser-main.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | println!("{}", e.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rust-all-in-one-projects v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tasks` is never read [INFO] [stdout] --> workspace/projects/error/master-rust/todolist-parser/todolist_parser_lib/src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TodoList { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 16 | tasks: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TodoList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling libfuzzer-sys v0.4.6 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Checking chrono v0.4.23 [INFO] [stderr] Checking satelite_messaging_bin v0.0.0 (/opt/rustwide/workdir/workspace/projects/satelite_messaging/rust-in-action/satelite_messaging_bin) [INFO] [stderr] Checking process_line_bin v0.0.0 (/opt/rustwide/workdir/workspace/projects/process_line/rust-in-action/process_line_bin) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> workspace/projects/process_line/rust-in-action/process_line_bin/src/process_line_main_bin.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> workspace/projects/process_line/rust-in-action/process_line_bin/src/process_line_main_bin.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling tokio-macros v1.8.2 [INFO] [stderr] Compiling derive_arbitrary v1.2.3 [INFO] [stderr] Checking arbitrary v1.2.3 [INFO] [stderr] Checking fuzz_bin v0.0.0 (/opt/rustwide/workdir/workspace/projects/fuzzme/rust-in-action/fuzz_bin) [INFO] [stderr] Checking pacman_lib v0.1.0 (/opt/rustwide/workdir/workspace/projects/pacman/my/pacman_lib) [INFO] [stderr] Checking rust-survey-json_lib v0.1.0 (/opt/rustwide/workdir/workspace/projects/survey/rust-survey/rust-survey-json_lib) [INFO] [stdout] warning: unused import: `super::error::CustomError` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/src/core/play.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use super::error::CustomError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::pacman` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/src/core/play.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use super::pacman; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::error::CustomError` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/src/core/play.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use super::error::CustomError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::pacman` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/src/core/play.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use super::pacman; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sum` is never read [INFO] [stdout] --> workspace/projects/survey/rust-survey/rust-survey-json_lib/src/models.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut sum: u32 = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking pacman_bin v0.1.0 (/opt/rustwide/workdir/workspace/projects/pacman/my/pacman_bin) [INFO] [stdout] warning: value assigned to `sum` is never read [INFO] [stdout] --> workspace/projects/survey/rust-survey/rust-survey-json_lib/src/models.rs:119:17 [INFO] [stdout] | [INFO] [stdout] 119 | let mut sum: u32 = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rust-survey-json_bin v0.1.0 (/opt/rustwide/workdir/workspace/projects/survey/rust-survey/rust-survey-json_bin) [INFO] [stdout] warning: unused import: `self::common::boardspace_test` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/test/integration_lib_test.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use self::common::boardspace_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/test/common/boardspace_test.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/test/common/play_test.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/test/common/boardspace_test.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | let mut board = BoardSpace::new(&(5isize,5isize)); [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: variable does not need to be mutable [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/test/common/boardspace_test.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | let mut board = BoardSpace::new(&(5isize,5isize)); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/test/common/boardspace_test.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | let mut board = BoardSpace::new(&(5isize,5isize)); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> workspace/projects/pacman/my/pacman_lib/test/common/boardspace_test.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | let mut board = BoardSpace::new(&(5isize,5isize)); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `user_id` is never read [INFO] [stdout] --> workspace/projects/survey/rust-survey/rust-survey-json_bin/src/rust-survey_main_bin.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut user_id: u32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `user_id` is never read [INFO] [stdout] --> workspace/projects/survey/rust-survey/rust-survey-json_bin/src/rust-survey_main_bin.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut user_id: u32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.15s [INFO] running `Command { std: "docker" "inspect" "c32028b80d772ad5d9da54892e27c2e4d096187a58a7e3d9fca70065eb5e39af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c32028b80d772ad5d9da54892e27c2e4d096187a58a7e3d9fca70065eb5e39af", kill_on_drop: false }` [INFO] [stdout] c32028b80d772ad5d9da54892e27c2e4d096187a58a7e3d9fca70065eb5e39af