[INFO] updating cached repository stanzhengdev/ngw-rust-workshop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stanzhengdev/ngw-rust-workshop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stanzhengdev/ngw-rust-workshop" "work/ex/beta-1.37-6/sources/1.36.0/gh/stanzhengdev/ngw-rust-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/stanzhengdev/ngw-rust-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stanzhengdev/ngw-rust-workshop" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stanzhengdev/ngw-rust-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stanzhengdev/ngw-rust-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2af78db2223c119cf91d033ff2d82578605efdd2
[INFO] sha for GitHub repo stanzhengdev/ngw-rust-workshop: 2af78db2223c119cf91d033ff2d82578605efdd2
[INFO] validating manifest of stanzhengdev/ngw-rust-workshop 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 stanzhengdev/ngw-rust-workshop 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 stanzhengdev/ngw-rust-workshop
[INFO] finished frobbing stanzhengdev/ngw-rust-workshop
[INFO] frobbed toml for stanzhengdev/ngw-rust-workshop written to work/ex/beta-1.37-6/sources/1.36.0/gh/stanzhengdev/ngw-rust-workshop/Cargo.toml
[INFO] started frobbing stanzhengdev/ngw-rust-workshop
[INFO] finished frobbing stanzhengdev/ngw-rust-workshop
[INFO] frobbed toml for stanzhengdev/ngw-rust-workshop written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stanzhengdev/ngw-rust-workshop/Cargo.toml
[INFO] crate stanzhengdev/ngw-rust-workshop 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 stanzhengdev/ngw-rust-workshop 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-3/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/stanzhengdev/ngw-rust-workshop:/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] 397b824ba1339da193bc00d551719844e92daae30d785a2bfa30668b5037b491
[INFO] running `"docker" "start" "-a" "397b824ba1339da193bc00d551719844e92daae30d785a2bfa30668b5037b491"`
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling rust-ngw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `"docker" "inspect" "397b824ba1339da193bc00d551719844e92daae30d785a2bfa30668b5037b491"`
[INFO] running `"docker" "rm" "-f" "397b824ba1339da193bc00d551719844e92daae30d785a2bfa30668b5037b491"`
[INFO] [stdout] 397b824ba1339da193bc00d551719844e92daae30d785a2bfa30668b5037b491
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/stanzhengdev/ngw-rust-workshop:/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] 214e31372573f636fef84f59f9a4d436778501f97e21aff7f048532f8921ff20
[INFO] running `"docker" "start" "-a" "214e31372573f636fef84f59f9a4d436778501f97e21aff7f048532f8921ff20"`
[INFO] [stderr]    Compiling rust-ngw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "214e31372573f636fef84f59f9a4d436778501f97e21aff7f048532f8921ff20"`
[INFO] running `"docker" "rm" "-f" "214e31372573f636fef84f59f9a4d436778501f97e21aff7f048532f8921ff20"`
[INFO] [stdout] 214e31372573f636fef84f59f9a4d436778501f97e21aff7f048532f8921ff20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/stanzhengdev/ngw-rust-workshop:/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] ae84a8a1d6e544dd66b306e967af1fad3e898700b39f3bcee7e55f02d5f83704
[INFO] running `"docker" "start" "-a" "ae84a8a1d6e544dd66b306e967af1fad3e898700b39f3bcee7e55f02d5f83704"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_ngw-718e3035aed56f49
[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" "ae84a8a1d6e544dd66b306e967af1fad3e898700b39f3bcee7e55f02d5f83704"`
[INFO] running `"docker" "rm" "-f" "ae84a8a1d6e544dd66b306e967af1fad3e898700b39f3bcee7e55f02d5f83704"`
[INFO] [stdout] ae84a8a1d6e544dd66b306e967af1fad3e898700b39f3bcee7e55f02d5f83704