[INFO] cloning repository https://github.com/thehimanshoo/Rust_Fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thehimanshoo/Rust_Fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehimanshoo%2FRust_Fundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehimanshoo%2FRust_Fundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6ecc49d5cb6cfebac1c6ca73907b3be02d262ba
[INFO] testing thehimanshoo/Rust_Fundamentals against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthehimanshoo%2FRust_Fundamentals" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thehimanshoo/Rust_Fundamentals
[INFO] finished tweaking git repo https://github.com/thehimanshoo/Rust_Fundamentals
[INFO] tweaked toml for git repo https://github.com/thehimanshoo/Rust_Fundamentals written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thehimanshoo/Rust_Fundamentals on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thehimanshoo/Rust_Fundamentals 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cf7708581ac27f5ac3907b956922f1462924c5cf5aed2e4978f779a92fc9db5
[INFO] running `Command { std: "docker" "start" "-a" "0cf7708581ac27f5ac3907b956922f1462924c5cf5aed2e4978f779a92fc9db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf7708581ac27f5ac3907b956922f1462924c5cf5aed2e4978f779a92fc9db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf7708581ac27f5ac3907b956922f1462924c5cf5aed2e4978f779a92fc9db5", kill_on_drop: false }`
[INFO] [stdout] 0cf7708581ac27f5ac3907b956922f1462924c5cf5aed2e4978f779a92fc9db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70ac9635b65711b3e293f7a49e2f3d9faef14207b378de43cc5322c2adcaa0f7
[INFO] running `Command { std: "docker" "start" "-a" "70ac9635b65711b3e293f7a49e2f3d9faef14207b378de43cc5322c2adcaa0f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling Learning_Fundamentals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `data_types` is never used
[INFO] [stdout]  --> src/datatypes/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn data_types() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variables` is never used
[INFO] [stdout]  --> src/variables/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn variables() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/rust_struct/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/functions/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn say_hello() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]  --> src/functions/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn greet(name: &str) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/functions/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn add(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]   --> src/functions/mod.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn multiply(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]   --> src/functions/mod.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn calculate(a: i32, b: i32) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]   --> src/functions/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn increment(value: &mut i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `functions` is never used
[INFO] [stdout]   --> src/functions/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn functions() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "70ac9635b65711b3e293f7a49e2f3d9faef14207b378de43cc5322c2adcaa0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ac9635b65711b3e293f7a49e2f3d9faef14207b378de43cc5322c2adcaa0f7", kill_on_drop: false }`
[INFO] [stdout] 70ac9635b65711b3e293f7a49e2f3d9faef14207b378de43cc5322c2adcaa0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2375c5ed6e5a250a7878cc9e93ffd15a75d59ce4e091cedb67e14a09cc64eb2c
[INFO] running `Command { std: "docker" "start" "-a" "2375c5ed6e5a250a7878cc9e93ffd15a75d59ce4e091cedb67e14a09cc64eb2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling Learning_Fundamentals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `data_types` is never used
[INFO] [stdout]  --> src/datatypes/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn data_types() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variables` is never used
[INFO] [stdout]  --> src/variables/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn variables() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/rust_struct/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/functions/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn say_hello() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]  --> src/functions/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn greet(name: &str) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/functions/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn add(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]   --> src/functions/mod.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn multiply(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]   --> src/functions/mod.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn calculate(a: i32, b: i32) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]   --> src/functions/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn increment(value: &mut i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `functions` is never used
[INFO] [stdout]   --> src/functions/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn functions() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "2375c5ed6e5a250a7878cc9e93ffd15a75d59ce4e091cedb67e14a09cc64eb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2375c5ed6e5a250a7878cc9e93ffd15a75d59ce4e091cedb67e14a09cc64eb2c", kill_on_drop: false }`
[INFO] [stdout] 2375c5ed6e5a250a7878cc9e93ffd15a75d59ce4e091cedb67e14a09cc64eb2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 276be26e282e453ea2cd563708a45d02686b24df2d433610a2869ff1ec4a7532
[INFO] running `Command { std: "docker" "start" "-a" "276be26e282e453ea2cd563708a45d02686b24df2d433610a2869ff1ec4a7532", kill_on_drop: false }`
[INFO] [stderr] warning: function `data_types` is never used
[INFO] [stderr]  --> src/datatypes/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn data_types() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `variables` is never used
[INFO] [stderr]  --> src/variables/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn variables() {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> src/rust_struct/mod.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `say_hello` is never used
[INFO] [stderr]  --> src/functions/mod.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn say_hello() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `greet` is never used
[INFO] [stderr]  --> src/functions/mod.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn greet(name: &str) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]   --> src/functions/mod.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn add(a: i32, b: i32) -> i32 {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiply` is never used
[INFO] [stderr]   --> src/functions/mod.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn multiply(a: i32, b: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate` is never used
[INFO] [stderr]   --> src/functions/mod.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn calculate(a: i32, b: i32) -> (i32, i32) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `increment` is never used
[INFO] [stderr]   --> src/functions/mod.rs:32:4
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 32 | fn increment(value: &mut i32) {
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: function `functions` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/functions/mod.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn functions() {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `Learning_Fundamentals` (bin "Learning_Fundamentals" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Learning_Fundamentals-368a7a9ee100a00e)
[INFO] running `Command { std: "docker" "inspect" "276be26e282e453ea2cd563708a45d02686b24df2d433610a2869ff1ec4a7532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276be26e282e453ea2cd563708a45d02686b24df2d433610a2869ff1ec4a7532", kill_on_drop: false }`
[INFO] [stdout] 276be26e282e453ea2cd563708a45d02686b24df2d433610a2869ff1ec4a7532