[INFO] updating cached repository vdangwal/rusting
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vdangwal/rusting
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vdangwal/rusting" "work/ex/beta-1.38-1/sources/1.37.0/gh/vdangwal/rusting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vdangwal/rusting'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vdangwal/rusting" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vdangwal/rusting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vdangwal/rusting'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df9e8971b3c7919ec526cbf092ea6c94ef481153
[INFO] sha for GitHub repo vdangwal/rusting: df9e8971b3c7919ec526cbf092ea6c94ef481153
[INFO] validating manifest of vdangwal/rusting 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 vdangwal/rusting 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 vdangwal/rusting
[INFO] finished frobbing vdangwal/rusting
[INFO] frobbed toml for vdangwal/rusting written to work/ex/beta-1.38-1/sources/1.37.0/gh/vdangwal/rusting/Cargo.toml
[INFO] started frobbing vdangwal/rusting
[INFO] finished frobbing vdangwal/rusting
[INFO] frobbed toml for vdangwal/rusting written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vdangwal/rusting/Cargo.toml
[INFO] crate vdangwal/rusting 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 vdangwal/rusting against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vdangwal/rusting:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c5e49eaa164683e456ebb65b6a6115523e93756e8d0ba9e094f8bdb830766ee0
[INFO] running `"docker" "start" "-a" "c5e49eaa164683e456ebb65b6a6115523e93756e8d0ba9e094f8bdb830766ee0"`
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling rust_program v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Request`, `Response`
[INFO] [stderr]  --> src/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use http::{Request, Response};
[INFO] [stderr]   |            ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `"docker" "inspect" "c5e49eaa164683e456ebb65b6a6115523e93756e8d0ba9e094f8bdb830766ee0"`
[INFO] running `"docker" "rm" "-f" "c5e49eaa164683e456ebb65b6a6115523e93756e8d0ba9e094f8bdb830766ee0"`
[INFO] [stdout] c5e49eaa164683e456ebb65b6a6115523e93756e8d0ba9e094f8bdb830766ee0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vdangwal/rusting:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5adcf4980cccb3522d104b1c08f3827fffa06808a5f0cea3847b9f70a3f02daa
[INFO] running `"docker" "start" "-a" "5adcf4980cccb3522d104b1c08f3827fffa06808a5f0cea3847b9f70a3f02daa"`
[INFO] [stderr]    Compiling rust_program v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Request`, `Response`
[INFO] [stderr]  --> src/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use http::{Request, Response};
[INFO] [stderr]   |            ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "5adcf4980cccb3522d104b1c08f3827fffa06808a5f0cea3847b9f70a3f02daa"`
[INFO] running `"docker" "rm" "-f" "5adcf4980cccb3522d104b1c08f3827fffa06808a5f0cea3847b9f70a3f02daa"`
[INFO] [stdout] 5adcf4980cccb3522d104b1c08f3827fffa06808a5f0cea3847b9f70a3f02daa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vdangwal/rusting:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 51e804ed347122e9abdfb2c9cfe8cc108682b84a66b4c006df8443d49dad6368
[INFO] running `"docker" "start" "-a" "51e804ed347122e9abdfb2c9cfe8cc108682b84a66b4c006df8443d49dad6368"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_program-1d4034efd6d7bcee
[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" "51e804ed347122e9abdfb2c9cfe8cc108682b84a66b4c006df8443d49dad6368"`
[INFO] running `"docker" "rm" "-f" "51e804ed347122e9abdfb2c9cfe8cc108682b84a66b4c006df8443d49dad6368"`
[INFO] [stdout] 51e804ed347122e9abdfb2c9cfe8cc108682b84a66b4c006df8443d49dad6368