[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 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferro-rr%2Frust_learning" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/erro-rr/rust_learning on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.99.0-beta.8" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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] 7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a
[INFO] running `Command { std: "docker" "start" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a", 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" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", 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/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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] [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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", 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/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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] [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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise` (bin "take_Input" test) generated 1 warning (run `cargo fix --bin "take_Input" -p exercise --tests` to apply 1 suggestion)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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" -p exercise --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/check.rs (/opt/rustwide/target/release/deps/check-c483109dc5aa12b1)
[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/main.rs (/opt/rustwide/target/release/deps/exercise-357979abcfddf1fd)
[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/release/deps/function3-ff1ccaf546f69261)
[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/inputTrim.rs (/opt/rustwide/target/release/deps/inputTrim-4da68c28a55e8a09)
[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/release/deps/take_Input-14c9e9511c9c4331)
[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/release/deps/takingInputthenMultiply-b8b0c64db6f6c098)
[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" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a", kill_on_drop: false }`
[INFO] [stdout] 7793c187f85af7966b321d38029eb2d2518cd4c57087562e6387612514b3537a
