[INFO] updating cached repository joelparkerhenderson/demo_rust_code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joelparkerhenderson/demo_rust_code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joelparkerhenderson/demo_rust_code" "work/ex/beta-1.37-6/sources/1.36.0/gh/joelparkerhenderson/demo_rust_code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/joelparkerhenderson/demo_rust_code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joelparkerhenderson/demo_rust_code" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelparkerhenderson/demo_rust_code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelparkerhenderson/demo_rust_code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 532d8e8891519f3ed1f80e3be222e14f087cc7db
[INFO] sha for GitHub repo joelparkerhenderson/demo_rust_code: 532d8e8891519f3ed1f80e3be222e14f087cc7db
[INFO] validating manifest of joelparkerhenderson/demo_rust_code on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joelparkerhenderson/demo_rust_code on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joelparkerhenderson/demo_rust_code
[INFO] finished frobbing joelparkerhenderson/demo_rust_code
[INFO] frobbed toml for joelparkerhenderson/demo_rust_code written to work/ex/beta-1.37-6/sources/1.36.0/gh/joelparkerhenderson/demo_rust_code/Cargo.toml
[INFO] started frobbing joelparkerhenderson/demo_rust_code
[INFO] finished frobbing joelparkerhenderson/demo_rust_code
[INFO] frobbed toml for joelparkerhenderson/demo_rust_code written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelparkerhenderson/demo_rust_code/Cargo.toml
[INFO] crate joelparkerhenderson/demo_rust_code already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing joelparkerhenderson/demo_rust_code against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelparkerhenderson/demo_rust_code:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 37d8442cccc4cdce9d296215ed69a874315e9caf6cc4fc224e6865235fd74c87
[INFO] running `"docker" "start" "-a" "37d8442cccc4cdce9d296215ed69a874315e9caf6cc4fc224e6865235fd74c87"`
[INFO] [stderr]    Compiling demo-rust-code v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "37d8442cccc4cdce9d296215ed69a874315e9caf6cc4fc224e6865235fd74c87"`
[INFO] running `"docker" "rm" "-f" "37d8442cccc4cdce9d296215ed69a874315e9caf6cc4fc224e6865235fd74c87"`
[INFO] [stdout] 37d8442cccc4cdce9d296215ed69a874315e9caf6cc4fc224e6865235fd74c87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelparkerhenderson/demo_rust_code:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f28c28dd48e4657e840a0253e7c8e68b27898efc8961f076692c1448405f3399
[INFO] running `"docker" "start" "-a" "f28c28dd48e4657e840a0253e7c8e68b27898efc8961f076692c1448405f3399"`
[INFO] [stderr]    Compiling demo-rust-code v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "f28c28dd48e4657e840a0253e7c8e68b27898efc8961f076692c1448405f3399"`
[INFO] running `"docker" "rm" "-f" "f28c28dd48e4657e840a0253e7c8e68b27898efc8961f076692c1448405f3399"`
[INFO] [stdout] f28c28dd48e4657e840a0253e7c8e68b27898efc8961f076692c1448405f3399
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelparkerhenderson/demo_rust_code:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0be72cb762f0ecc381c6ac995b73edc566980179a1f38f137fd25250f7cc358f
[INFO] running `"docker" "start" "-a" "0be72cb762f0ecc381c6ac995b73edc566980179a1f38f137fd25250f7cc358f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/demo_rust_code-759448092bc3dd1c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::foo_test ... ok
[INFO] [stdout] test tests::echo_test ... ok
[INFO] [stdout] test tests::blank ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0be72cb762f0ecc381c6ac995b73edc566980179a1f38f137fd25250f7cc358f"`
[INFO] running `"docker" "rm" "-f" "0be72cb762f0ecc381c6ac995b73edc566980179a1f38f137fd25250f7cc358f"`
[INFO] [stdout] 0be72cb762f0ecc381c6ac995b73edc566980179a1f38f137fd25250f7cc358f