[INFO] updating cached repository Walther/hello-lambda
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Walther/hello-lambda
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Walther/hello-lambda" "work/ex/beta-1.38-1/sources/1.37.0/gh/Walther/hello-lambda"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Walther/hello-lambda'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Walther/hello-lambda" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Walther/hello-lambda"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Walther/hello-lambda'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b416dfa15905e9193cec2ac765e4948823b8a50
[INFO] sha for GitHub repo Walther/hello-lambda: 2b416dfa15905e9193cec2ac765e4948823b8a50
[INFO] validating manifest of Walther/hello-lambda on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Walther/hello-lambda on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Walther/hello-lambda
[INFO] finished frobbing Walther/hello-lambda
[INFO] frobbed toml for Walther/hello-lambda written to work/ex/beta-1.38-1/sources/1.37.0/gh/Walther/hello-lambda/Cargo.toml
[INFO] started frobbing Walther/hello-lambda
[INFO] finished frobbing Walther/hello-lambda
[INFO] frobbed toml for Walther/hello-lambda written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Walther/hello-lambda/Cargo.toml
[INFO] crate Walther/hello-lambda already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Walther/hello-lambda against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Walther/hello-lambda:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3d73b27943d9af4dd36aa874378b98824425b53557371d0be172bd0d4bec697b
[INFO] running `"docker" "start" "-a" "3d73b27943d9af4dd36aa874378b98824425b53557371d0be172bd0d4bec697b"`
[INFO] [stderr]    Compiling simple-error v0.1.13
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling lambda_runtime_core v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling http v0.1.15
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling simple_logger v1.0.1
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling lambda_runtime_errors v0.1.0
[INFO] [stderr]    Compiling hyper v0.12.23
[INFO] [stderr]    Compiling lambda_runtime_client v0.2.0
[INFO] [stderr]    Compiling lambda_runtime v0.2.0
[INFO] [stderr]    Compiling hello-lambda v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{self, error};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `simple_error::bail`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use simple_error::bail;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn my_handler(e: CustomEvent, c: Context) -> Result<CustomOutput, HandlerError> {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn my_handler(e: CustomEvent, c: Context) -> Result<CustomOutput, HandlerError> {
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "3d73b27943d9af4dd36aa874378b98824425b53557371d0be172bd0d4bec697b"`
[INFO] running `"docker" "rm" "-f" "3d73b27943d9af4dd36aa874378b98824425b53557371d0be172bd0d4bec697b"`
[INFO] [stdout] 3d73b27943d9af4dd36aa874378b98824425b53557371d0be172bd0d4bec697b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Walther/hello-lambda:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20a574ded37c5fc44f5a45ac3c3747e11212e78023aeb58e0233fc1a67094fda
[INFO] running `"docker" "start" "-a" "20a574ded37c5fc44f5a45ac3c3747e11212e78023aeb58e0233fc1a67094fda"`
[INFO] [stderr]    Compiling hello-lambda v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{self, error};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `simple_error::bail`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use simple_error::bail;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn my_handler(e: CustomEvent, c: Context) -> Result<CustomOutput, HandlerError> {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn my_handler(e: CustomEvent, c: Context) -> Result<CustomOutput, HandlerError> {
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "20a574ded37c5fc44f5a45ac3c3747e11212e78023aeb58e0233fc1a67094fda"`
[INFO] running `"docker" "rm" "-f" "20a574ded37c5fc44f5a45ac3c3747e11212e78023aeb58e0233fc1a67094fda"`
[INFO] [stdout] 20a574ded37c5fc44f5a45ac3c3747e11212e78023aeb58e0233fc1a67094fda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Walther/hello-lambda:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9cf1a15a19b3532837dcdf9bcee5aa8651d749d91797aead166f6d32be17f32a
[INFO] running `"docker" "start" "-a" "9cf1a15a19b3532837dcdf9bcee5aa8651d749d91797aead166f6d32be17f32a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_lambda-fc8ae5957e6aca2b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9cf1a15a19b3532837dcdf9bcee5aa8651d749d91797aead166f6d32be17f32a"`
[INFO] running `"docker" "rm" "-f" "9cf1a15a19b3532837dcdf9bcee5aa8651d749d91797aead166f6d32be17f32a"`
[INFO] [stdout] 9cf1a15a19b3532837dcdf9bcee5aa8651d749d91797aead166f6d32be17f32a