[INFO] updating cached repository adorechic/rust_credstash
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adorechic/rust_credstash
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adorechic/rust_credstash" "work/ex/beta-1.38-1/sources/1.37.0/gh/adorechic/rust_credstash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/adorechic/rust_credstash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adorechic/rust_credstash" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adorechic/rust_credstash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adorechic/rust_credstash'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 302485434715f312e3e43172ce9c39c124090de0
[INFO] sha for GitHub repo adorechic/rust_credstash: 302485434715f312e3e43172ce9c39c124090de0
[INFO] validating manifest of adorechic/rust_credstash 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 adorechic/rust_credstash 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 adorechic/rust_credstash
[INFO] finished frobbing adorechic/rust_credstash
[INFO] frobbed toml for adorechic/rust_credstash written to work/ex/beta-1.38-1/sources/1.37.0/gh/adorechic/rust_credstash/Cargo.toml
[INFO] started frobbing adorechic/rust_credstash
[INFO] finished frobbing adorechic/rust_credstash
[INFO] frobbed toml for adorechic/rust_credstash written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adorechic/rust_credstash/Cargo.toml
[INFO] crate adorechic/rust_credstash 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing adorechic/rust_credstash 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/adorechic/rust_credstash:/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] be902f1489c365f565ad65212d7cb4629f20440c117b7be0a5f16cea8e8a45b9
[INFO] running `"docker" "start" "-a" "be902f1489c365f565ad65212d7cb4629f20440c117b7be0a5f16cea8e8a45b9"`
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde v1.0.38
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling hex v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling sha2 v0.7.0
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling rusoto_core v0.32.0
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling hyper v0.11.25
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.38
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.14
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling rusoto_credential v0.11.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.32.0
[INFO] [stderr]    Compiling rust_credstash v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let client = DynamoDbClient::simple(Region::ApNortheast1);
[INFO] [stderr]   |         ^^^^^^ help: consider prefixing with an underscore: `_client`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `"docker" "inspect" "be902f1489c365f565ad65212d7cb4629f20440c117b7be0a5f16cea8e8a45b9"`
[INFO] running `"docker" "rm" "-f" "be902f1489c365f565ad65212d7cb4629f20440c117b7be0a5f16cea8e8a45b9"`
[INFO] [stdout] be902f1489c365f565ad65212d7cb4629f20440c117b7be0a5f16cea8e8a45b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/adorechic/rust_credstash:/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] 529989ee9b2889211679ab0ba7d8f38b0c102aa6148bf23ff31536b375627ef1
[INFO] running `"docker" "start" "-a" "529989ee9b2889211679ab0ba7d8f38b0c102aa6148bf23ff31536b375627ef1"`
[INFO] [stderr]    Compiling rust_credstash v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let client = DynamoDbClient::simple(Region::ApNortheast1);
[INFO] [stderr]   |         ^^^^^^ help: consider prefixing with an underscore: `_client`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "529989ee9b2889211679ab0ba7d8f38b0c102aa6148bf23ff31536b375627ef1"`
[INFO] running `"docker" "rm" "-f" "529989ee9b2889211679ab0ba7d8f38b0c102aa6148bf23ff31536b375627ef1"`
[INFO] [stdout] 529989ee9b2889211679ab0ba7d8f38b0c102aa6148bf23ff31536b375627ef1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/adorechic/rust_credstash:/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] 01477f5116411d93c17206b67e32b6dfe4847ae464059ea3196e6791afb7970f
[INFO] running `"docker" "start" "-a" "01477f5116411d93c17206b67e32b6dfe4847ae464059ea3196e6791afb7970f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_credstash-3c664efc122f90b7
[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" "01477f5116411d93c17206b67e32b6dfe4847ae464059ea3196e6791afb7970f"`
[INFO] running `"docker" "rm" "-f" "01477f5116411d93c17206b67e32b6dfe4847ae464059ea3196e6791afb7970f"`
[INFO] [stdout] 01477f5116411d93c17206b67e32b6dfe4847ae464059ea3196e6791afb7970f