[INFO] updating cached repository https://github.com/jjgumucio/euler-rust
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0500bb3d9b2bf1a3a90024c5e117697f3009b9be
[INFO] checking jjgumucio/euler-rust against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjgumucio%2Feuler-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjgumucio/euler-rust on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjgumucio/euler-rust
[INFO] finished tweaking git repo https://github.com/jjgumucio/euler-rust
[INFO] tweaked toml for git repo https://github.com/jjgumucio/euler-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jjgumucio/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 881453dc99423c8cb1648034831108e0314469b488104328a4355dbefac7979c
[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" "881453dc99423c8cb1648034831108e0314469b488104328a4355dbefac7979c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881453dc99423c8cb1648034831108e0314469b488104328a4355dbefac7979c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881453dc99423c8cb1648034831108e0314469b488104328a4355dbefac7979c", kill_on_drop: false }`
[INFO] [stdout] 881453dc99423c8cb1648034831108e0314469b488104328a4355dbefac7979c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f37e49e25d0a6f9001da39c52ef8f9f3b9ae5c7e146b27cc68fd549163c6fc
[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" "70f37e49e25d0a6f9001da39c52ef8f9f3b9ae5c7e146b27cc68fd549163c6fc", kill_on_drop: false }`
[INFO] [stderr]     Checking euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_multiples`
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_multiples(multiple: i32, limit: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `summation`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn summation(numbers: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `union`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn union(vectorA: Vec<i32>, vectorB: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vectorA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn union(vectorA: Vec<i32>, vectorB: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to snake case: `vector_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vectorB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn union(vectorA: Vec<i32>, vectorB: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |                             ^^^^^^^ help: convert the identifier to snake case: `vector_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_multiples`
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_multiples(multiple: i32, limit: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `summation`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn summation(numbers: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `union`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn union(vectorA: Vec<i32>, vectorB: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vectorA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn union(vectorA: Vec<i32>, vectorB: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to snake case: `vector_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vectorB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn union(vectorA: Vec<i32>, vectorB: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |                             ^^^^^^^ help: convert the identifier to snake case: `vector_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70f37e49e25d0a6f9001da39c52ef8f9f3b9ae5c7e146b27cc68fd549163c6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f37e49e25d0a6f9001da39c52ef8f9f3b9ae5c7e146b27cc68fd549163c6fc", kill_on_drop: false }`
[INFO] [stdout] 70f37e49e25d0a6f9001da39c52ef8f9f3b9ae5c7e146b27cc68fd549163c6fc