[INFO] updating cached repository https://github.com/NPM8/wasm-calculator
[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] 97c9b88998790ef3d531ef7bb454f0c89f64b50a
[INFO] checking NPM8/wasm-calculator against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNPM8%2Fwasm-calculator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NPM8/wasm-calculator on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NPM8/wasm-calculator
[INFO] finished tweaking git repo https://github.com/NPM8/wasm-calculator
[INFO] tweaked toml for git repo https://github.com/NPM8/wasm-calculator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/NPM8/wasm-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4504a1b239d269e2f24099d8221eb008676d991bc74f5ed8c25b4e6d466820c4
[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" "4504a1b239d269e2f24099d8221eb008676d991bc74f5ed8c25b4e6d466820c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4504a1b239d269e2f24099d8221eb008676d991bc74f5ed8c25b4e6d466820c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4504a1b239d269e2f24099d8221eb008676d991bc74f5ed8c25b4e6d466820c4", kill_on_drop: false }`
[INFO] [stdout] 4504a1b239d269e2f24099d8221eb008676d991bc74f5ed8c25b4e6d466820c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93eb6f254c72dea650d9bd458f546cf9776433a9a8d91ffab9c36afa4f4c8989
[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" "93eb6f254c72dea650d9bd458f546cf9776433a9a8d91ffab9c36afa4f4c8989", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling syn v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]     Checking calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `doMath` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn doMath(val1: i32, val2: i32, sign: String) -> Result<i32, JsValue> {
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to snake case: `do_math`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `doMath` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn doMath(val1: i32, val2: i32, sign: String) -> Result<i32, JsValue> {
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to snake case: `do_math`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.09s
[INFO] running `Command { std: "docker" "inspect" "93eb6f254c72dea650d9bd458f546cf9776433a9a8d91ffab9c36afa4f4c8989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93eb6f254c72dea650d9bd458f546cf9776433a9a8d91ffab9c36afa4f4c8989", kill_on_drop: false }`
[INFO] [stdout] 93eb6f254c72dea650d9bd458f546cf9776433a9a8d91ffab9c36afa4f4c8989