[INFO] updating cached repository BenTheElder/docs_test_case
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BenTheElder/docs_test_case
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BenTheElder/docs_test_case" "work/ex/beta-1.37-6/sources/1.36.0/gh/BenTheElder/docs_test_case"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BenTheElder/docs_test_case'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BenTheElder/docs_test_case" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BenTheElder/docs_test_case"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BenTheElder/docs_test_case'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 96038f61ef6fc04c4738592d8c55b8c72668587a
[INFO] sha for GitHub repo BenTheElder/docs_test_case: 96038f61ef6fc04c4738592d8c55b8c72668587a
[INFO] validating manifest of BenTheElder/docs_test_case 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 BenTheElder/docs_test_case 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 BenTheElder/docs_test_case
[INFO] finished frobbing BenTheElder/docs_test_case
[INFO] frobbed toml for BenTheElder/docs_test_case written to work/ex/beta-1.37-6/sources/1.36.0/gh/BenTheElder/docs_test_case/Cargo.toml
[INFO] started frobbing BenTheElder/docs_test_case
[INFO] finished frobbing BenTheElder/docs_test_case
[INFO] frobbed toml for BenTheElder/docs_test_case written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BenTheElder/docs_test_case/Cargo.toml
[INFO] crate BenTheElder/docs_test_case 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BenTheElder/docs_test_case against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BenTheElder/docs_test_case:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 266ac803a14baa0354c1632265f99e3cc0f34b53dbb7b4525ba9f0f8d1b5b3a1
[INFO] running `"docker" "start" "-a" "266ac803a14baa0354c1632265f99e3cc0f34b53dbb7b4525ba9f0f8d1b5b3a1"`
[INFO] [stderr]    Compiling docs_test_case v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "266ac803a14baa0354c1632265f99e3cc0f34b53dbb7b4525ba9f0f8d1b5b3a1"`
[INFO] running `"docker" "rm" "-f" "266ac803a14baa0354c1632265f99e3cc0f34b53dbb7b4525ba9f0f8d1b5b3a1"`
[INFO] [stdout] 266ac803a14baa0354c1632265f99e3cc0f34b53dbb7b4525ba9f0f8d1b5b3a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BenTheElder/docs_test_case:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1f6e041f1d8d982a36fda918b00a69d802c58617babcbc647f14838d35286ad5
[INFO] running `"docker" "start" "-a" "1f6e041f1d8d982a36fda918b00a69d802c58617babcbc647f14838d35286ad5"`
[INFO] [stderr]    Compiling docs_test_case v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "1f6e041f1d8d982a36fda918b00a69d802c58617babcbc647f14838d35286ad5"`
[INFO] running `"docker" "rm" "-f" "1f6e041f1d8d982a36fda918b00a69d802c58617babcbc647f14838d35286ad5"`
[INFO] [stdout] 1f6e041f1d8d982a36fda918b00a69d802c58617babcbc647f14838d35286ad5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BenTheElder/docs_test_case:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] cb6ab404df10777f39dbd769254d110b8524d456908f1501429cf70eb45a8de4
[INFO] running `"docker" "start" "-a" "cb6ab404df10777f39dbd769254d110b8524d456908f1501429cf70eb45a8de4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/docs_test_case-8bba68f6ff6a1648
[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] [stderr]    Doc-tests docs_test_case
[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" "cb6ab404df10777f39dbd769254d110b8524d456908f1501429cf70eb45a8de4"`
[INFO] running `"docker" "rm" "-f" "cb6ab404df10777f39dbd769254d110b8524d456908f1501429cf70eb45a8de4"`
[INFO] [stdout] cb6ab404df10777f39dbd769254d110b8524d456908f1501429cf70eb45a8de4