[INFO] updating cached repository data-pup/cargo-metadata-exercise
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/data-pup/cargo-metadata-exercise
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/data-pup/cargo-metadata-exercise" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/data-pup/cargo-metadata-exercise"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/data-pup/cargo-metadata-exercise'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/data-pup/cargo-metadata-exercise" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/data-pup/cargo-metadata-exercise"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/data-pup/cargo-metadata-exercise'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 756fc3afe4e803d5bfd37de7d60ba1d616657ede
[INFO] sha for GitHub repo data-pup/cargo-metadata-exercise: 756fc3afe4e803d5bfd37de7d60ba1d616657ede
[INFO] validating manifest of data-pup/cargo-metadata-exercise on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of data-pup/cargo-metadata-exercise on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing data-pup/cargo-metadata-exercise
[INFO] finished frobbing data-pup/cargo-metadata-exercise
[INFO] frobbed toml for data-pup/cargo-metadata-exercise written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/data-pup/cargo-metadata-exercise/Cargo.toml
[INFO] started frobbing data-pup/cargo-metadata-exercise
[INFO] finished frobbing data-pup/cargo-metadata-exercise
[INFO] frobbed toml for data-pup/cargo-metadata-exercise written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/data-pup/cargo-metadata-exercise/Cargo.toml
[INFO] crate data-pup/cargo-metadata-exercise has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing data-pup/cargo-metadata-exercise against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/data-pup/cargo-metadata-exercise:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 8247a8cef5687fbdfc795f5caa5202f26b6a5cea6badd4d9dea3c8911df67f46
[INFO] running `"docker" "start" "-a" "8247a8cef5687fbdfc795f5caa5202f26b6a5cea6badd4d9dea3c8911df67f46"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.0
[INFO] [stderr]    Compiling cargo-metadata-ex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.41s
[INFO] running `"docker" "inspect" "8247a8cef5687fbdfc795f5caa5202f26b6a5cea6badd4d9dea3c8911df67f46"`
[INFO] running `"docker" "rm" "-f" "8247a8cef5687fbdfc795f5caa5202f26b6a5cea6badd4d9dea3c8911df67f46"`
[INFO] [stdout] 8247a8cef5687fbdfc795f5caa5202f26b6a5cea6badd4d9dea3c8911df67f46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/data-pup/cargo-metadata-exercise:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1306a12e180494782dfa5a3d5b040e2db68ef002143241f5c52ec3a3ae15fa61
[INFO] running `"docker" "start" "-a" "1306a12e180494782dfa5a3d5b040e2db68ef002143241f5c52ec3a3ae15fa61"`
[INFO] [stderr]    Compiling cargo-metadata-ex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "1306a12e180494782dfa5a3d5b040e2db68ef002143241f5c52ec3a3ae15fa61"`
[INFO] running `"docker" "rm" "-f" "1306a12e180494782dfa5a3d5b040e2db68ef002143241f5c52ec3a3ae15fa61"`
[INFO] [stdout] 1306a12e180494782dfa5a3d5b040e2db68ef002143241f5c52ec3a3ae15fa61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/data-pup/cargo-metadata-exercise:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 90ee54dd94f4dfdc2ab2d4275a7835c2a83567a2d582d3ea5f8d2a5fc4166ebe
[INFO] running `"docker" "start" "-a" "90ee54dd94f4dfdc2ab2d4275a7835c2a83567a2d582d3ea5f8d2a5fc4166ebe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_metadata_ex-5b84d26629a1bc92
[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" "90ee54dd94f4dfdc2ab2d4275a7835c2a83567a2d582d3ea5f8d2a5fc4166ebe"`
[INFO] running `"docker" "rm" "-f" "90ee54dd94f4dfdc2ab2d4275a7835c2a83567a2d582d3ea5f8d2a5fc4166ebe"`
[INFO] [stdout] 90ee54dd94f4dfdc2ab2d4275a7835c2a83567a2d582d3ea5f8d2a5fc4166ebe