[INFO] updating cached repository https://github.com/Arvkus/learn-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9097d97565935f98194bd46db46821acf6d82a0b
[INFO] checking Arvkus/learn-rust against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArvkus%2Flearn-rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arvkus/learn-rust on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Arvkus/learn-rust
[INFO] finished tweaking git repo https://github.com/Arvkus/learn-rust
[INFO] tweaked toml for git repo https://github.com/Arvkus/learn-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Arvkus/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef70271c538af25fb081c315e8e3fabc46a692ab0f0e989253c5ca7becda60ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ef70271c538af25fb081c315e8e3fabc46a692ab0f0e989253c5ca7becda60ed"`
[INFO] [stderr]     Checking learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type `vector` should have an upper camel case name
[INFO] [stderr]  --> src/vector.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct vector{
[INFO] [stderr]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vector`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `rectangle` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct rectangle{
[INFO] [stderr]   |        ^^^^^^^^^ help: convert the identifier to upper camel case: `Rectangle`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `magnitude`
[INFO] [stderr]   --> src/vector.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn magnitude(&self) -> f32{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/vector.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn add(x:i32,y:i32) -> i32{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn number(r: i32){
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `vector` should have an upper camel case name
[INFO] [stderr]  --> src/vector.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct vector{
[INFO] [stderr]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vector`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `rectangle` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct rectangle{
[INFO] [stderr]   |        ^^^^^^^^^ help: convert the identifier to upper camel case: `Rectangle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/test.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |         for (i,val) in pairs.iter().enumerate() {
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/vector.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn add(x:i32,y:i32) -> i32{
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number`
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn number(r: i32){
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "ef70271c538af25fb081c315e8e3fabc46a692ab0f0e989253c5ca7becda60ed"`
[INFO] running `"docker" "rm" "-f" "ef70271c538af25fb081c315e8e3fabc46a692ab0f0e989253c5ca7becda60ed"`
[INFO] [stdout] ef70271c538af25fb081c315e8e3fabc46a692ab0f0e989253c5ca7becda60ed