[INFO] cloning repository https://github.com/hemanthbhushan-cz/rust_topic_wise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hemanthbhushan-cz/rust_topic_wise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemanthbhushan-cz%2Frust_topic_wise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemanthbhushan-cz%2Frust_topic_wise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3be9894ad70ed71821e252ffdd34b4470c18fd43
[INFO] checking hemanthbhushan-cz/rust_topic_wise against 8773d2c75a8e90130dcce745a7ec4e66bb9963db+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemanthbhushan-cz%2Frust_topic_wise" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hemanthbhushan-cz/rust_topic_wise
[INFO] finished tweaking git repo https://github.com/hemanthbhushan-cz/rust_topic_wise
[INFO] tweaked toml for git repo https://github.com/hemanthbhushan-cz/rust_topic_wise written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hemanthbhushan-cz/rust_topic_wise on toolchain 8773d2c75a8e90130dcce745a7ec4e66bb9963db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hemanthbhushan-cz/rust_topic_wise 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" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7
[INFO] running `Command { std: "docker" "start" "bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Aunfulfilled-lint-expectations" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_topic_wise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/modules.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/modules.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/match_test.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         [..] => println!("your kid"),
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 16 |         [1, 3, 43, 4, 5] => println!("your old"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/match_test.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         [..] => println!("your kid"),
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 16 |         [1, 3, 43, 4, 5] => println!("your old"),
[INFO] [stdout] 17 |         _ => println!("none"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]  --> src/option_test.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut temp = None;
[INFO] [stdout]   |                    ^^^^ this value is reassigned later and never used
[INFO] [stdout] 3 |
[INFO] [stdout] 4 |     temp = Some(45);
[INFO] [stdout]   |     --------------- `temp` is overwritten here before the previous value is read
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/match_test.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         [..] => println!("your kid"),
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 16 |         [1, 3, 43, 4, 5] => println!("your old"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/match_test.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         [..] => println!("your kid"),
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 16 |         [1, 3, 43, 4, 5] => println!("your old"),
[INFO] [stdout] 17 |         _ => println!("none"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]  --> src/option_test.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut temp = None;
[INFO] [stdout]   |                    ^^^^ this value is reassigned later and never used
[INFO] [stdout] 3 |
[INFO] [stdout] 4 |     temp = Some(45);
[INFO] [stdout]   |     --------------- `temp` is overwritten here before the previous value is read
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/clousers.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Person {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 10 |     age: i32,
[INFO] [stdout] 11 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pet` and `pet_owner` are never read
[INFO] [stdout]  --> src/traits.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person<T: NotDangerous> {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     pet: T,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 4 |     pet_owner: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pet` and `pet_owner` are never read
[INFO] [stdout]  --> src/traits.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Person2<T: Dangerous> {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 8 |     pet: T,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     pet_owner: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/traits.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Dog {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/clousers.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Person {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 10 |     age: i32,
[INFO] [stdout] 11 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pet` and `pet_owner` are never read
[INFO] [stdout]  --> src/traits.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person<T: NotDangerous> {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     pet: T,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 4 |     pet_owner: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pet` and `pet_owner` are never read
[INFO] [stdout]  --> src/traits.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Person2<T: Dangerous> {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 8 |     pet: T,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     pet_owner: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/traits.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Dog {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7", kill_on_drop: false }`
[INFO] [stdout] bafa9e457510f13a75c3046e9a07ebb13b22d01d305969bc0ecaec608edf65a7
