[INFO] fetching crate interface-tests-helpers 0.2.0...
[INFO] extracting crate interface-tests-helpers 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/interface-tests-helpers/0.2.0
[INFO] extracting crate interface-tests-helpers 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interface-tests-helpers/0.2.0
[INFO] validating manifest of interface-tests-helpers-0.2.0 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 interface-tests-helpers-0.2.0 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 interface-tests-helpers-0.2.0
[INFO] finished frobbing interface-tests-helpers-0.2.0
[INFO] frobbed toml for interface-tests-helpers-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/interface-tests-helpers/0.2.0/Cargo.toml
[INFO] started frobbing interface-tests-helpers-0.2.0
[INFO] finished frobbing interface-tests-helpers-0.2.0
[INFO] frobbed toml for interface-tests-helpers-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interface-tests-helpers/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing interface-tests-helpers-0.2.0 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-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interface-tests-helpers/0.2.0:/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=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] 05c0701ef08c4c07722fe5ca745d8efc6012e3bb8a4d621b8d2140b0a572becc
[INFO] running `"docker" "start" "-a" "05c0701ef08c4c07722fe5ca745d8efc6012e3bb8a4d621b8d2140b0a572becc"`
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.19
[INFO] [stderr]    Compiling interface-tests-helpers v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `"docker" "inspect" "05c0701ef08c4c07722fe5ca745d8efc6012e3bb8a4d621b8d2140b0a572becc"`
[INFO] running `"docker" "rm" "-f" "05c0701ef08c4c07722fe5ca745d8efc6012e3bb8a4d621b8d2140b0a572becc"`
[INFO] [stdout] 05c0701ef08c4c07722fe5ca745d8efc6012e3bb8a4d621b8d2140b0a572becc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interface-tests-helpers/0.2.0:/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=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] 1225f4f3c6749f78f24df75ab62a71d6b5405a0f7e0113d27bd8bd240a302d01
[INFO] running `"docker" "start" "-a" "1225f4f3c6749f78f24df75ab62a71d6b5405a0f7e0113d27bd8bd240a302d01"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling mockito v0.17.1
[INFO] [stderr]    Compiling interface-tests-helpers v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.17s
[INFO] running `"docker" "inspect" "1225f4f3c6749f78f24df75ab62a71d6b5405a0f7e0113d27bd8bd240a302d01"`
[INFO] running `"docker" "rm" "-f" "1225f4f3c6749f78f24df75ab62a71d6b5405a0f7e0113d27bd8bd240a302d01"`
[INFO] [stdout] 1225f4f3c6749f78f24df75ab62a71d6b5405a0f7e0113d27bd8bd240a302d01
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interface-tests-helpers/0.2.0:/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=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] 2c85459f2482333d7fb5fd5493cdd1264f9a8e056f0f2c9b1a5e14c1f58c43b2
[INFO] running `"docker" "start" "-a" "2c85459f2482333d7fb5fd5493cdd1264f9a8e056f0f2c9b1a5e14c1f58c43b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/interface_tests_helpers-d81e70ad1ecb2bfc
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::tests::test_assert_403 ... ok
[INFO] [stdout] test tests::tests::test_assert_404 ... ok
[INFO] [stdout] test tests::tests::test_assert_500 ... ok
[INFO] [stdout] test tests::tests::test_get_returns_200 ... ok
[INFO] [stdout] test tests::tests::test_assert_204 ... ok
[INFO] [stdout] test tests::tests::test_post_body_returns_201 ... ok
[INFO] [stdout] test tests::tests::test_assert_401 ... ok
[INFO] [stdout] test tests::tests::test_post_json_returns_201 ... ok
[INFO] [stdout] test tests::tests::test_post_json_returns_400 ... ok
[INFO] [stdout] test tests::tests::test_post_json_returns_409 ... ok
[INFO] [stdout] test tests::tests::test_put_text ... ok
[INFO] [stdout] test tests::tests::test_put_xml ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests interface_tests_helpers
[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" "2c85459f2482333d7fb5fd5493cdd1264f9a8e056f0f2c9b1a5e14c1f58c43b2"`
[INFO] running `"docker" "rm" "-f" "2c85459f2482333d7fb5fd5493cdd1264f9a8e056f0f2c9b1a5e14c1f58c43b2"`
[INFO] [stdout] 2c85459f2482333d7fb5fd5493cdd1264f9a8e056f0f2c9b1a5e14c1f58c43b2