[INFO] fetching crate interface-tests-helpers 0.1.0...
[INFO] extracting crate interface-tests-helpers 0.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/interface-tests-helpers/0.1.0
[INFO] extracting crate interface-tests-helpers 0.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/interface-tests-helpers/0.1.0
[INFO] validating manifest of interface-tests-helpers-0.1.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of interface-tests-helpers-0.1.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing interface-tests-helpers-0.1.0
[INFO] finished frobbing interface-tests-helpers-0.1.0
[INFO] frobbed toml for interface-tests-helpers-0.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/interface-tests-helpers/0.1.0/Cargo.toml
[INFO] started frobbing interface-tests-helpers-0.1.0
[INFO] finished frobbing interface-tests-helpers-0.1.0
[INFO] frobbed toml for interface-tests-helpers-0.1.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/interface-tests-helpers/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building interface-tests-helpers-0.1.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/interface-tests-helpers/0.1.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] fda5b8010ddab78c91b275f45b017b21b458ee9e63a6aba0c5e571b60b5c1785
[INFO] running `"docker" "start" "-a" "fda5b8010ddab78c91b275f45b017b21b458ee9e63a6aba0c5e571b60b5c1785"`
[INFO] [stderr]    Compiling interface-tests-helpers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "fda5b8010ddab78c91b275f45b017b21b458ee9e63a6aba0c5e571b60b5c1785"`
[INFO] running `"docker" "rm" "-f" "fda5b8010ddab78c91b275f45b017b21b458ee9e63a6aba0c5e571b60b5c1785"`
[INFO] [stdout] fda5b8010ddab78c91b275f45b017b21b458ee9e63a6aba0c5e571b60b5c1785
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/interface-tests-helpers/0.1.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3e7937b080ff92b487c57760ac32c5516a01dc0b965f04d62344b77cb8179fa9
[INFO] running `"docker" "start" "-a" "3e7937b080ff92b487c57760ac32c5516a01dc0b965f04d62344b77cb8179fa9"`
[INFO] [stderr]    Compiling http-muncher v0.3.2
[INFO] [stderr]    Compiling mockito v0.9.1
[INFO] [stderr]    Compiling interface-tests-helpers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `"docker" "inspect" "3e7937b080ff92b487c57760ac32c5516a01dc0b965f04d62344b77cb8179fa9"`
[INFO] running `"docker" "rm" "-f" "3e7937b080ff92b487c57760ac32c5516a01dc0b965f04d62344b77cb8179fa9"`
[INFO] [stdout] 3e7937b080ff92b487c57760ac32c5516a01dc0b965f04d62344b77cb8179fa9