[INFO] updating cached repository lazear/rust-backend-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lazear/rust-backend-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lazear/rust-backend-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/lazear/rust-backend-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lazear/rust-backend-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lazear/rust-backend-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lazear/rust-backend-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lazear/rust-backend-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cba84b24d497b4a4828eea14a4affd48b9c51bf
[INFO] sha for GitHub repo lazear/rust-backend-example: 8cba84b24d497b4a4828eea14a4affd48b9c51bf
[INFO] validating manifest of lazear/rust-backend-example 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 lazear/rust-backend-example 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 lazear/rust-backend-example
[INFO] finished frobbing lazear/rust-backend-example
[INFO] frobbed toml for lazear/rust-backend-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/lazear/rust-backend-example/Cargo.toml
[INFO] started frobbing lazear/rust-backend-example
[INFO] finished frobbing lazear/rust-backend-example
[INFO] frobbed toml for lazear/rust-backend-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lazear/rust-backend-example/Cargo.toml
[INFO] crate lazear/rust-backend-example 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 lazear/rust-backend-example 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/lazear/rust-backend-example:/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] 88dcbe28fe1fdf5202419bfd1a903995443173f89c451452a94b74652e5c7dc3
[INFO] running `"docker" "start" "-a" "88dcbe28fe1fdf5202419bfd1a903995443173f89c451452a94b74652e5c7dc3"`
[INFO] [stderr]    Compiling rust-backend-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 ip = String::from(addr.trim_left().trim_right()).parse().unwrap_or(ip);
[INFO] [stderr]    |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 ip = String::from(addr.trim_left().trim_right()).parse().unwrap_or(ip);
[INFO] [stderr]    |                                                    ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "88dcbe28fe1fdf5202419bfd1a903995443173f89c451452a94b74652e5c7dc3"`
[INFO] running `"docker" "rm" "-f" "88dcbe28fe1fdf5202419bfd1a903995443173f89c451452a94b74652e5c7dc3"`
[INFO] [stdout] 88dcbe28fe1fdf5202419bfd1a903995443173f89c451452a94b74652e5c7dc3
[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/lazear/rust-backend-example:/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] 0dcb204f7825d7025f3313a862a0dbd2fcb68839406c6dd4a3741f6a62d41101
[INFO] running `"docker" "start" "-a" "0dcb204f7825d7025f3313a862a0dbd2fcb68839406c6dd4a3741f6a62d41101"`
[INFO] [stderr]    Compiling rust-backend-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/main.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 ip = String::from(addr.trim_left().trim_right()).parse().unwrap_or(ip);
[INFO] [stderr]    |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 ip = String::from(addr.trim_left().trim_right()).parse().unwrap_or(ip);
[INFO] [stderr]    |                                                    ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "0dcb204f7825d7025f3313a862a0dbd2fcb68839406c6dd4a3741f6a62d41101"`
[INFO] running `"docker" "rm" "-f" "0dcb204f7825d7025f3313a862a0dbd2fcb68839406c6dd4a3741f6a62d41101"`
[INFO] [stdout] 0dcb204f7825d7025f3313a862a0dbd2fcb68839406c6dd4a3741f6a62d41101
[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/lazear/rust-backend-example:/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] a0a954f7524544b7f5c494dbdd4201f07fc71c29b7b0f1c6035e18d1ed9a1bc7
[INFO] running `"docker" "start" "-a" "a0a954f7524544b7f5c494dbdd4201f07fc71c29b7b0f1c6035e18d1ed9a1bc7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_backend_example-f094a69889b4a39d
[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" "a0a954f7524544b7f5c494dbdd4201f07fc71c29b7b0f1c6035e18d1ed9a1bc7"`
[INFO] running `"docker" "rm" "-f" "a0a954f7524544b7f5c494dbdd4201f07fc71c29b7b0f1c6035e18d1ed9a1bc7"`
[INFO] [stdout] a0a954f7524544b7f5c494dbdd4201f07fc71c29b7b0f1c6035e18d1ed9a1bc7