[INFO] cloning repository https://github.com/ritesh/hello_rust_lambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ritesh/hello_rust_lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritesh%2Fhello_rust_lambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritesh%2Fhello_rust_lambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abe0988c70289e3c6f1ed2d30ef4653d929cedab
[INFO] checking ritesh/hello_rust_lambda against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritesh%2Fhello_rust_lambda" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ritesh/hello_rust_lambda on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ritesh/hello_rust_lambda
[INFO] finished tweaking git repo https://github.com/ritesh/hello_rust_lambda
[INFO] tweaked toml for git repo https://github.com/ritesh/hello_rust_lambda written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ritesh/hello_rust_lambda already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lambda_runtime_errors v0.1.0
[INFO] [stderr]   Downloaded lambda_runtime_client v0.2.0
[INFO] [stderr]   Downloaded lambda_runtime_errors_derive v0.1.0
[INFO] [stderr]   Downloaded lambda_runtime_core v0.1.0
[INFO] [stderr]   Downloaded lambda_runtime v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 30ca44645c9b0a5830a67d2ed35dac7eb42e87fb0c2f874c9506393cd6252efb
[INFO] running `Command { std: "docker" "start" "-a" "30ca44645c9b0a5830a67d2ed35dac7eb42e87fb0c2f874c9506393cd6252efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ca44645c9b0a5830a67d2ed35dac7eb42e87fb0c2f874c9506393cd6252efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ca44645c9b0a5830a67d2ed35dac7eb42e87fb0c2f874c9506393cd6252efb", kill_on_drop: false }`
[INFO] [stdout] 30ca44645c9b0a5830a67d2ed35dac7eb42e87fb0c2f874c9506393cd6252efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4361dd644305d0638772813875940dcd5ff4c44212ee82fddeb94d96519bec91
[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" "4361dd644305d0638772813875940dcd5ff4c44212ee82fddeb94d96519bec91", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking simple-error v0.1.13
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling lambda_runtime_core v0.1.0
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking lambda_runtime_errors v0.1.0
[INFO] [stderr]     Checking lambda_runtime_client v0.2.0
[INFO] [stderr]     Checking lambda_runtime v0.2.0
[INFO] [stderr]     Checking hello_rust_lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn my_handler(e: CloudWatchEvent, c: lambda::Context) -> Result<CustomOutput, HandlerError> {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn my_handler(e: CloudWatchEvent, c: lambda::Context) -> Result<CustomOutput, HandlerError> {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 58.01s
[INFO] running `Command { std: "docker" "inspect" "4361dd644305d0638772813875940dcd5ff4c44212ee82fddeb94d96519bec91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4361dd644305d0638772813875940dcd5ff4c44212ee82fddeb94d96519bec91", kill_on_drop: false }`
[INFO] [stdout] 4361dd644305d0638772813875940dcd5ff4c44212ee82fddeb94d96519bec91