[INFO] cloning repository https://github.com/erro-rr/rust_learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erro-rr/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferro-rr%2Frust_learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferro-rr%2Frust_learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 22238401c3572c07aab5065c42a55551258a3ac3 [INFO] testing erro-rr/rust_learning against 1.86.0 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferro-rr%2Frust_learning" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/erro-rr/rust_learning on toolchain 1.86.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/erro-rr/rust_learning [INFO] finished tweaking git repo https://github.com/erro-rr/rust_learning [INFO] tweaked toml for git repo https://github.com/erro-rr/rust_learning written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/erro-rr/rust_learning 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 169542f98f3f9f0f660fc9f626c6129694ac41797ef807e044c7256908a0325e [INFO] running `Command { std: "docker" "start" "-a" "169542f98f3f9f0f660fc9f626c6129694ac41797ef807e044c7256908a0325e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "169542f98f3f9f0f660fc9f626c6129694ac41797ef807e044c7256908a0325e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "169542f98f3f9f0f660fc9f626c6129694ac41797ef807e044c7256908a0325e", kill_on_drop: false }` [INFO] [stdout] 169542f98f3f9f0f660fc9f626c6129694ac41797ef807e044c7256908a0325e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 282a83dd33e76c5c1baf7d2d3196f5e5a42affe8aa6464164a881be0b18da13e [INFO] running `Command { std: "docker" "start" "-a" "282a83dd33e76c5c1baf7d2d3196f5e5a42affe8aa6464164a881be0b18da13e", kill_on_drop: false }` [INFO] [stderr] Compiling exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/take_Input.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut num :i32= input.trim().parse().expect("Invalid Input"); [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/bin/takingInputthenMultiply.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut X:i32 = input.trim().parse().expect("Invalid value of X"); [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/bin/takingInputthenMultiply.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `X` should have a snake case name [INFO] [stdout] --> src/bin/takingInputthenMultiply.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut X:i32 = input.trim().parse().expect("Invalid value of X"); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Y` should have a snake case name [INFO] [stdout] --> src/bin/takingInputthenMultiply.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y"); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `y` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "282a83dd33e76c5c1baf7d2d3196f5e5a42affe8aa6464164a881be0b18da13e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "282a83dd33e76c5c1baf7d2d3196f5e5a42affe8aa6464164a881be0b18da13e", kill_on_drop: false }` [INFO] [stdout] 282a83dd33e76c5c1baf7d2d3196f5e5a42affe8aa6464164a881be0b18da13e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9be624acfe8d5058fb7192d3033001db5b3c7cbe5cf242c23326b939addc9884 [INFO] running `Command { std: "docker" "start" "-a" "9be624acfe8d5058fb7192d3033001db5b3c7cbe5cf242c23326b939addc9884", kill_on_drop: false }` [INFO] [stderr] Compiling exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/take_Input.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut num :i32= input.trim().parse().expect("Invalid Input"); [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/bin/takingInputthenMultiply.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut X:i32 = input.trim().parse().expect("Invalid value of X"); [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/bin/takingInputthenMultiply.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `X` should have a snake case name [INFO] [stdout] --> src/bin/takingInputthenMultiply.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut X:i32 = input.trim().parse().expect("Invalid value of X"); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Y` should have a snake case name [INFO] [stdout] --> src/bin/takingInputthenMultiply.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y"); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `y` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "9be624acfe8d5058fb7192d3033001db5b3c7cbe5cf242c23326b939addc9884", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9be624acfe8d5058fb7192d3033001db5b3c7cbe5cf242c23326b939addc9884", kill_on_drop: false }` [INFO] [stdout] 9be624acfe8d5058fb7192d3033001db5b3c7cbe5cf242c23326b939addc9884 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 81f7e0a87d53c2b9cff5e88faee53ebdbd613059ae85a38478fd0c8ed77517cf [INFO] running `Command { std: "docker" "start" "-a" "81f7e0a87d53c2b9cff5e88faee53ebdbd613059ae85a38478fd0c8ed77517cf", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/takingInputthenMultiply.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut X:i32 = input.trim().parse().expect("Invalid value of X"); [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/bin/takingInputthenMultiply.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `X` should have a snake case name [INFO] [stderr] --> src/bin/takingInputthenMultiply.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut X:i32 = input.trim().parse().expect("Invalid value of X"); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `Y` should have a snake case name [INFO] [stderr] --> src/bin/takingInputthenMultiply.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y"); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `y` [INFO] [stderr] [INFO] [stderr] warning: `exercise` (bin "takingInputthenMultiply" test) generated 4 warnings (run `cargo fix --bin "takingInputthenMultiply" --tests` to apply 2 suggestions) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/take_Input.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut num :i32= input.trim().parse().expect("Invalid Input"); [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: `exercise` (bin "take_Input" test) generated 1 warning (run `cargo fix --bin "take_Input" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/bin/check.rs (/opt/rustwide/target/debug/deps/check-d3bd6dc12d216beb) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise-84dd9b337ad825dd) [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] [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] [stderr] Running unittests src/bin/function3.rs (/opt/rustwide/target/debug/deps/function3-492b65b60a724e1f) [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] [stderr] Running unittests src/bin/inputTrim.rs (/opt/rustwide/target/debug/deps/inputTrim-9cd615ada09d2ba6) [INFO] [stdout] [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] [stderr] Running unittests src/bin/take_Input.rs (/opt/rustwide/target/debug/deps/take_Input-94b82a8445897cbe) [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] [stderr] Running unittests src/bin/takingInputthenMultiply.rs (/opt/rustwide/target/debug/deps/takingInputthenMultiply-9071c98ac879358d) [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" "81f7e0a87d53c2b9cff5e88faee53ebdbd613059ae85a38478fd0c8ed77517cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81f7e0a87d53c2b9cff5e88faee53ebdbd613059ae85a38478fd0c8ed77517cf", kill_on_drop: false }` [INFO] [stdout] 81f7e0a87d53c2b9cff5e88faee53ebdbd613059ae85a38478fd0c8ed77517cf