[INFO] fetching crate hatter 0.0.1...
[INFO] checking hatter-0.0.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate hatter 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hatter 0.0.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hatter 0.0.1
[INFO] finished tweaking crates.io crate hatter 0.0.1
[INFO] tweaked toml for crates.io crate hatter 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hatter 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d4f2e2325830a56a8673d27f024b27233b64f20a39e6f4cbdfa7b14d2348312
[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" "2d4f2e2325830a56a8673d27f024b27233b64f20a39e6f4cbdfa7b14d2348312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d4f2e2325830a56a8673d27f024b27233b64f20a39e6f4cbdfa7b14d2348312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4f2e2325830a56a8673d27f024b27233b64f20a39e6f4cbdfa7b14d2348312", kill_on_drop: false }`
[INFO] [stdout] 2d4f2e2325830a56a8673d27f024b27233b64f20a39e6f4cbdfa7b14d2348312
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dedbfcc2b1f9d79d7296594cd900b94b629f24a79256adb516c83436e6aa831
[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" "3dedbfcc2b1f9d79d7296594cd900b94b629f24a79256adb516c83436e6aa831", kill_on_drop: false }`
[INFO] [stderr]     Checking hatter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> tests/hatter_test.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn math(e: &Env, args: &[&Value]) -> Value {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rendering`
[INFO] [stdout]    --> tests/hatter_test.rs:286:4
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn rendering() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `math`
[INFO] [stdout]    --> tests/hatter_test.rs:335:4
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn math(e: &Env, args: &[&Value]) -> Value {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "3dedbfcc2b1f9d79d7296594cd900b94b629f24a79256adb516c83436e6aa831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dedbfcc2b1f9d79d7296594cd900b94b629f24a79256adb516c83436e6aa831", kill_on_drop: false }`
[INFO] [stdout] 3dedbfcc2b1f9d79d7296594cd900b94b629f24a79256adb516c83436e6aa831
