[INFO] cloning repository https://github.com/xrisyz/culculator_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xrisyz/culculator_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrisyz%2Fculculator_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrisyz%2Fculculator_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0f9e7cb907e177c409c39671b26aa88904e862e
[INFO] checking xrisyz/culculator_rs against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrisyz%2Fculculator_rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xrisyz/culculator_rs on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xrisyz/culculator_rs
[INFO] finished tweaking git repo https://github.com/xrisyz/culculator_rs
[INFO] tweaked toml for git repo https://github.com/xrisyz/culculator_rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xrisyz/culculator_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 418c3fa83e385d4874ac4c8bacef1ada1c3db8d29910f4a2e7179ebda50adf8c
[INFO] running `Command { std: "docker" "start" "-a" "418c3fa83e385d4874ac4c8bacef1ada1c3db8d29910f4a2e7179ebda50adf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "418c3fa83e385d4874ac4c8bacef1ada1c3db8d29910f4a2e7179ebda50adf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418c3fa83e385d4874ac4c8bacef1ada1c3db8d29910f4a2e7179ebda50adf8c", kill_on_drop: false }`
[INFO] [stdout] 418c3fa83e385d4874ac4c8bacef1ada1c3db8d29910f4a2e7179ebda50adf8c
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32eeccf621695991837c025594e3a37580d3929dd1e7ab6f43cd45e1b67c710
[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" "a32eeccf621695991837c025594e3a37580d3929dd1e7ab6f43cd45e1b67c710", kill_on_drop: false }`
[INFO] [stderr]     Checking calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Equation`
[INFO] [stdout]  --> src/operator.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Equation {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Equation`
[INFO] [stdout]  --> src/operator.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Equation {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testAddition` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn testAddition() {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `test_addition`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a32eeccf621695991837c025594e3a37580d3929dd1e7ab6f43cd45e1b67c710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32eeccf621695991837c025594e3a37580d3929dd1e7ab6f43cd45e1b67c710", kill_on_drop: false }`
[INFO] [stdout] a32eeccf621695991837c025594e3a37580d3929dd1e7ab6f43cd45e1b67c710