[INFO] cloning repository https://github.com/weixinZhang12/rust_student_manger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weixinZhang12/rust_student_manger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_student_manger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_student_manger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a9742999629b666bf53b4fccf028fa42785e45e [INFO] testing weixinZhang12/rust_student_manger against 1.85.0 for beta-1.86-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_student_manger" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/weixinZhang12/rust_student_manger on toolchain 1.85.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/weixinZhang12/rust_student_manger [INFO] finished tweaking git repo https://github.com/weixinZhang12/rust_student_manger [INFO] tweaked toml for git repo https://github.com/weixinZhang12/rust_student_manger written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/weixinZhang12/rust_student_manger 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 564cbe3ad67ae979760c6ad3015e7291c987ab2ec21e9cbc7056a4d680d5a94c [INFO] running `Command { std: "docker" "start" "-a" "564cbe3ad67ae979760c6ad3015e7291c987ab2ec21e9cbc7056a4d680d5a94c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "564cbe3ad67ae979760c6ad3015e7291c987ab2ec21e9cbc7056a4d680d5a94c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "564cbe3ad67ae979760c6ad3015e7291c987ab2ec21e9cbc7056a4d680d5a94c", kill_on_drop: false }` [INFO] [stdout] 564cbe3ad67ae979760c6ad3015e7291c987ab2ec21e9cbc7056a4d680d5a94c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d4995d14fd0f6bb6b32ae8c9b222f3f2b5a8680322d574504ab800da0d91914 [INFO] running `Command { std: "docker" "start" "-a" "1d4995d14fd0f6bb6b32ae8c9b222f3f2b5a8680322d574504ab800da0d91914", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling manager v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/main.rs:1:47 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, error::Error, fs}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::hash` [INFO] [stdout] --> src/utils.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::hash; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/utils.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | error::{self, Error}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::ser` [INFO] [stdout] --> src/utils.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json::ser; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/utils.rs:17:14 [INFO] [stdout] | [INFO] [stdout] 17 | Some(v) => true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/utils.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut name = "".to_string(); [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 `age` is never read [INFO] [stdout] --> src/utils.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut age = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `student_id` is never read [INFO] [stdout] --> src/utils.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut student_id = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `address` is never read [INFO] [stdout] --> src/utils.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let mut address = "".to_string(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/utils.rs:71:14 [INFO] [stdout] | [INFO] [stdout] 71 | Some(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/utils.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | let mut name = "".to_string(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `age` is never read [INFO] [stdout] --> src/utils.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | let mut age = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `student_id` is never read [INFO] [stdout] --> src/utils.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut student_id = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `address` is never read [INFO] [stdout] --> src/utils.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut address = "".to_string(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `studentArray` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut studentArray = Vec::::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_studentArray` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | Err(e) => write_hash_to_file(&student_map)?, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:48:24 [INFO] [stdout] | [INFO] [stdout] 48 | Ok(v) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:91:24 [INFO] [stdout] | [INFO] [stdout] 91 | Ok(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut studentArray = Vec::::new(); [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] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut input_number = input.trim().parse::().unwrap_or(-1); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `help_s` should have an upper case name [INFO] [stdout] --> src/main.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const help_s: &str = " [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper case: `HELP_S` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `studentArray` should have a snake case name [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut studentArray = Vec::::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `student_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/utils.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | std::io::stdin().read_line(&mut student_id); [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] 68 | let _ = std::io::stdin().read_line(&mut student_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/utils.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | write_hash_to_file(&student_map); [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] 72 | let _ = write_hash_to_file(&student_map); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.08s [INFO] running `Command { std: "docker" "inspect" "1d4995d14fd0f6bb6b32ae8c9b222f3f2b5a8680322d574504ab800da0d91914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d4995d14fd0f6bb6b32ae8c9b222f3f2b5a8680322d574504ab800da0d91914", kill_on_drop: false }` [INFO] [stdout] 1d4995d14fd0f6bb6b32ae8c9b222f3f2b5a8680322d574504ab800da0d91914 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f57106eb44e866ca09c055188fd2046587b71243089928a1cd0b3cc8bf52585 [INFO] running `Command { std: "docker" "start" "-a" "2f57106eb44e866ca09c055188fd2046587b71243089928a1cd0b3cc8bf52585", kill_on_drop: false }` [INFO] [stderr] Compiling manager v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/main.rs:1:47 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, error::Error, fs}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::hash` [INFO] [stdout] --> src/utils.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::hash; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/utils.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | error::{self, Error}, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::ser` [INFO] [stdout] --> src/utils.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json::ser; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/utils.rs:17:14 [INFO] [stdout] | [INFO] [stdout] 17 | Some(v) => true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/utils.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut name = "".to_string(); [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 `age` is never read [INFO] [stdout] --> src/utils.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut age = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `student_id` is never read [INFO] [stdout] --> src/utils.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut student_id = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `address` is never read [INFO] [stdout] --> src/utils.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let mut address = "".to_string(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/utils.rs:71:14 [INFO] [stdout] | [INFO] [stdout] 71 | Some(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `name` is never read [INFO] [stdout] --> src/utils.rs:103:13 [INFO] [stdout] | [INFO] [stdout] 103 | let mut name = "".to_string(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `age` is never read [INFO] [stdout] --> src/utils.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | let mut age = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `student_id` is never read [INFO] [stdout] --> src/utils.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut student_id = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `address` is never read [INFO] [stdout] --> src/utils.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut address = "".to_string(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `studentArray` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut studentArray = Vec::::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_studentArray` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | Err(e) => write_hash_to_file(&student_map)?, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:48:24 [INFO] [stdout] | [INFO] [stdout] 48 | Ok(v) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:91:24 [INFO] [stdout] | [INFO] [stdout] 91 | Ok(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut studentArray = Vec::::new(); [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] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut input_number = input.trim().parse::().unwrap_or(-1); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `help_s` should have an upper case name [INFO] [stdout] --> src/main.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const help_s: &str = " [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper case: `HELP_S` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `studentArray` should have a snake case name [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut studentArray = Vec::::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `student_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/utils.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | std::io::stdin().read_line(&mut student_id); [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] 68 | let _ = std::io::stdin().read_line(&mut student_id); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/utils.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | write_hash_to_file(&student_map); [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] 72 | let _ = write_hash_to_file(&student_map); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "2f57106eb44e866ca09c055188fd2046587b71243089928a1cd0b3cc8bf52585", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f57106eb44e866ca09c055188fd2046587b71243089928a1cd0b3cc8bf52585", kill_on_drop: false }` [INFO] [stdout] 2f57106eb44e866ca09c055188fd2046587b71243089928a1cd0b3cc8bf52585 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 12fed737a88ae802be0f0e30b44523f4162a0d1f096615dff381c5709bd19b42 [INFO] running `Command { std: "docker" "start" "-a" "12fed737a88ae802be0f0e30b44523f4162a0d1f096615dff381c5709bd19b42", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `fs` [INFO] [stderr] --> src/main.rs:1:47 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{collections::HashMap, error::Error, fs}; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::hash` [INFO] [stderr] --> src/utils.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core::hash; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/utils.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | error::{self, Error}, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json::ser` [INFO] [stderr] --> src/utils.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use serde_json::ser; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/utils.rs:17:14 [INFO] [stderr] | [INFO] [stderr] 17 | Some(v) => true, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `name` is never read [INFO] [stderr] --> src/utils.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut name = "".to_string(); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `age` is never read [INFO] [stderr] --> src/utils.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut age = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `student_id` is never read [INFO] [stderr] --> src/utils.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut student_id = "".to_string(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `address` is never read [INFO] [stderr] --> src/utils.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut address = "".to_string(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/utils.rs:71:14 [INFO] [stderr] | [INFO] [stderr] 71 | Some(v) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `name` is never read [INFO] [stderr] --> src/utils.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut name = "".to_string(); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `age` is never read [INFO] [stderr] --> src/utils.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | let mut age = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `student_id` is never read [INFO] [stderr] --> src/utils.rs:105:13 [INFO] [stderr] | [INFO] [stderr] 105 | let mut student_id = "".to_string(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `address` is never read [INFO] [stderr] --> src/utils.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut address = "".to_string(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `studentArray` [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut studentArray = Vec::::new(); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_studentArray` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | Err(e) => write_hash_to_file(&student_map)?, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:48:24 [INFO] [stderr] | [INFO] [stderr] 48 | Ok(v) => {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:91:24 [INFO] [stderr] | [INFO] [stderr] 91 | Ok(v) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut studentArray = Vec::::new(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | let mut input_number = input.trim().parse::().unwrap_or(-1); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant `help_s` should have an upper case name [INFO] [stderr] --> src/main.rs:10:7 [INFO] [stderr] | [INFO] [stderr] 10 | const help_s: &str = " [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper case: `HELP_S` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `studentArray` should have a snake case name [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut studentArray = Vec::::new(); [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `student_array` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/utils.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | std::io::stdin().read_line(&mut student_id); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 68 | let _ = std::io::stdin().read_line(&mut student_id); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/utils.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | write_hash_to_file(&student_map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 72 | let _ = write_hash_to_file(&student_map); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `manager` (bin "manager" test) generated 24 warnings (run `cargo fix --bin "manager" --tests` to apply 6 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/manager-697bc1011a9b6ff6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "12fed737a88ae802be0f0e30b44523f4162a0d1f096615dff381c5709bd19b42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12fed737a88ae802be0f0e30b44523f4162a0d1f096615dff381c5709bd19b42", kill_on_drop: false }` [INFO] [stdout] 12fed737a88ae802be0f0e30b44523f4162a0d1f096615dff381c5709bd19b42