[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-1.38-1/sources/1.37.0/gh/stanzhengdev/ngw-rust-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stanzhengdev/ngw-rust-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stanzhengdev/ngw-rust-workshop" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stanzhengdev/ngw-rust-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stanzhengdev/ngw-rust-workshop 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 stanzhengdev/ngw-rust-workshop
[INFO] finished frobbing stanzhengdev/ngw-rust-workshop
[INFO] frobbed toml for stanzhengdev/ngw-rust-workshop written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 stanzhengdev/ngw-rust-workshop 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4ff10e73da2684c133fa4c49571108c41bc2285e08268614a113437e90ca95eb
[INFO] running `"docker" "start" "-a" "4ff10e73da2684c133fa4c49571108c41bc2285e08268614a113437e90ca95eb"`
[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 8.67s
[INFO] running `"docker" "inspect" "4ff10e73da2684c133fa4c49571108c41bc2285e08268614a113437e90ca95eb"`
[INFO] running `"docker" "rm" "-f" "4ff10e73da2684c133fa4c49571108c41bc2285e08268614a113437e90ca95eb"`
[INFO] [stdout] 4ff10e73da2684c133fa4c49571108c41bc2285e08268614a113437e90ca95eb
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c523d0e3b25d2e93897c9aa8c1a59f85687e30475839f33869e2294f3b711ee4
[INFO] running `"docker" "start" "-a" "c523d0e3b25d2e93897c9aa8c1a59f85687e30475839f33869e2294f3b711ee4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.46s
[INFO] running `"docker" "inspect" "c523d0e3b25d2e93897c9aa8c1a59f85687e30475839f33869e2294f3b711ee4"`
[INFO] running `"docker" "rm" "-f" "c523d0e3b25d2e93897c9aa8c1a59f85687e30475839f33869e2294f3b711ee4"`
[INFO] [stdout] c523d0e3b25d2e93897c9aa8c1a59f85687e30475839f33869e2294f3b711ee4
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d0887d0125c700b5b79a545cda93957601451c477abc4af72092f0e6f20a218f
[INFO] running `"docker" "start" "-a" "d0887d0125c700b5b79a545cda93957601451c477abc4af72092f0e6f20a218f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_ngw-eb778f42e886abc5
[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" "d0887d0125c700b5b79a545cda93957601451c477abc4af72092f0e6f20a218f"`
[INFO] running `"docker" "rm" "-f" "d0887d0125c700b5b79a545cda93957601451c477abc4af72092f0e6f20a218f"`
[INFO] [stdout] d0887d0125c700b5b79a545cda93957601451c477abc4af72092f0e6f20a218f