[INFO] cloning repository https://github.com/Gammaglobulino/functions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gammaglobulino/functions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Ffunctions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Ffunctions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdab39eabd0b50054f814e568f64ccfcb2b1d56e
[INFO] checking Gammaglobulino/functions against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGammaglobulino%2Ffunctions" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gammaglobulino/functions on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gammaglobulino/functions
[INFO] finished tweaking git repo https://github.com/Gammaglobulino/functions
[INFO] tweaked toml for git repo https://github.com/Gammaglobulino/functions written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Gammaglobulino/functions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb89913d1c99d03d103cf0ab2afb0e412fbe721e701a2e5a8eab2e96a96cb8ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb89913d1c99d03d103cf0ab2afb0e412fbe721e701a2e5a8eab2e96a96cb8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb89913d1c99d03d103cf0ab2afb0e412fbe721e701a2e5a8eab2e96a96cb8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb89913d1c99d03d103cf0ab2afb0e412fbe721e701a2e5a8eab2e96a96cb8ec", kill_on_drop: false }`
[INFO] [stdout] eb89913d1c99d03d103cf0ab2afb0e412fbe721e701a2e5a8eab2e96a96cb8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 667d9d6ebeda34b7252336116994c2882655e0c033d82ebbc8a87fbcda7c4c2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "667d9d6ebeda34b7252336116994c2882655e0c033d82ebbc8a87fbcda7c4c2f", kill_on_drop: false }`
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/methods.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]  --> src/methods.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Line{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/methods.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn len(&self) -> f64{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `methods`
[INFO] [stdout]   --> src/methods.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn methods(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `say_hi`
[INFO] [stdout]  --> src/closure.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn say_hi(){
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closure`
[INFO] [stdout]  --> src/closure.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn closure(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_value`
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn print_value(x:i32){
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increase`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn increase(x: &mut i32){
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `functions`
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn functions(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/methods.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]  --> src/methods.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Line{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/methods.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn len(&self) -> f64{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `methods`
[INFO] [stdout]   --> src/methods.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn methods(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `say_hi`
[INFO] [stdout]  --> src/closure.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn say_hi(){
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closure`
[INFO] [stdout]  --> src/closure.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn closure(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_value`
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn print_value(x:i32){
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increase`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn increase(x: &mut i32){
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `functions`
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn functions(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "667d9d6ebeda34b7252336116994c2882655e0c033d82ebbc8a87fbcda7c4c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667d9d6ebeda34b7252336116994c2882655e0c033d82ebbc8a87fbcda7c4c2f", kill_on_drop: false }`
[INFO] [stdout] 667d9d6ebeda34b7252336116994c2882655e0c033d82ebbc8a87fbcda7c4c2f