[INFO] updating cached repository https://github.com/mozilla/discourse-email-in-lambda
[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] 0b6faa68f3cdda2eb5a41d0abcd27a184674a46f
[INFO] checking mozilla/discourse-email-in-lambda against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fdiscourse-email-in-lambda" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/discourse-email-in-lambda on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mozilla/discourse-email-in-lambda
[INFO] finished tweaking git repo https://github.com/mozilla/discourse-email-in-lambda
[INFO] tweaked toml for git repo https://github.com/mozilla/discourse-email-in-lambda written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/discourse-email-in-lambda already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a58e1f60fc4c79d43c65b1098d7c233664f0630ce1aca00f833a8441a4f2e594
[INFO] running `"docker" "start" "-a" "a58e1f60fc4c79d43c65b1098d7c233664f0630ce1aca00f833a8441a4f2e594"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling serde_derive v1.0.99
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[INFO] [stderr]     Checking discourse-email-in-lambda v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/lambda.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn my_handler(event: Value, ctx: Context) -> Result<(), HandlerError> {
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/lambda.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn my_handler(event: Value, ctx: Context) -> Result<(), HandlerError> {
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "a58e1f60fc4c79d43c65b1098d7c233664f0630ce1aca00f833a8441a4f2e594"`
[INFO] running `"docker" "rm" "-f" "a58e1f60fc4c79d43c65b1098d7c233664f0630ce1aca00f833a8441a4f2e594"`
[INFO] [stdout] a58e1f60fc4c79d43c65b1098d7c233664f0630ce1aca00f833a8441a4f2e594