[INFO] cloning repository https://github.com/cm-kazup0n/rust-lambda-exmaple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cm-kazup0n/rust-lambda-exmaple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcm-kazup0n%2Frust-lambda-exmaple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcm-kazup0n%2Frust-lambda-exmaple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 407549b864d11d22c2b72e94b96e1c32a804c829
[INFO] checking cm-kazup0n/rust-lambda-exmaple against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcm-kazup0n%2Frust-lambda-exmaple" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cm-kazup0n/rust-lambda-exmaple on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cm-kazup0n/rust-lambda-exmaple
[INFO] finished tweaking git repo https://github.com/cm-kazup0n/rust-lambda-exmaple
[INFO] tweaked toml for git repo https://github.com/cm-kazup0n/rust-lambda-exmaple written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cm-kazup0n/rust-lambda-exmaple already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const_fn v0.4.6
[INFO] [stderr]   Downloaded lambda_runtime v0.3.0
[INFO] [stderr]   Downloaded rusoto_dynamodb v0.46.0
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[INFO] [stdout] d39b23b5c2ffd56a2905bcdf1b50edc14fc214e348789cb2943b3a778cd3b932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `answer` is never read
[INFO] [stdout]  --> src/main.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Event {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |   /// the Answer to the Ultimate Question of Life, the Universe, and Everything 
[INFO] [stdout] 7 |   answer: String,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `answer` is never read
[INFO] [stdout]  --> src/main.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Event {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |   /// the Answer to the Ultimate Question of Life, the Universe, and Everything 
[INFO] [stdout] 7 |   answer: String,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.30s
[INFO] running `Command { std: "docker" "inspect" "5dcf3fc7706c287bfe1be17c30deb2a13efe06af40e6c21b32670ccf16b0ba9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dcf3fc7706c287bfe1be17c30deb2a13efe06af40e6c21b32670ccf16b0ba9a", kill_on_drop: false }`
[INFO] [stdout] 5dcf3fc7706c287bfe1be17c30deb2a13efe06af40e6c21b32670ccf16b0ba9a