[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-1.38-1/sources/1.37.0/gh/BenTheElder/docs_test_case"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BenTheElder/docs_test_case'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BenTheElder/docs_test_case" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BenTheElder/docs_test_case"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BenTheElder/docs_test_case 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 BenTheElder/docs_test_case
[INFO] finished frobbing BenTheElder/docs_test_case
[INFO] frobbed toml for BenTheElder/docs_test_case written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing BenTheElder/docs_test_case 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 673fb81159728208d251689ad05327d858265de0d3e885935681b7ab03ab0180
[INFO] running `"docker" "start" "-a" "673fb81159728208d251689ad05327d858265de0d3e885935681b7ab03ab0180"`
[INFO] [stderr]    Compiling docs_test_case v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "673fb81159728208d251689ad05327d858265de0d3e885935681b7ab03ab0180"`
[INFO] running `"docker" "rm" "-f" "673fb81159728208d251689ad05327d858265de0d3e885935681b7ab03ab0180"`
[INFO] [stdout] 673fb81159728208d251689ad05327d858265de0d3e885935681b7ab03ab0180
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21b76c82646ae8a02c8b5e981473d221a3fb39cada6d0928e6f8cf459d1fb0ec
[INFO] running `"docker" "start" "-a" "21b76c82646ae8a02c8b5e981473d221a3fb39cada6d0928e6f8cf459d1fb0ec"`
[INFO] [stderr]    Compiling docs_test_case v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "21b76c82646ae8a02c8b5e981473d221a3fb39cada6d0928e6f8cf459d1fb0ec"`
[INFO] running `"docker" "rm" "-f" "21b76c82646ae8a02c8b5e981473d221a3fb39cada6d0928e6f8cf459d1fb0ec"`
[INFO] [stdout] 21b76c82646ae8a02c8b5e981473d221a3fb39cada6d0928e6f8cf459d1fb0ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6b8109da5c7f13bdca47a2d0513e45506c144543cb84b42d56990d2b4ec64a53
[INFO] running `"docker" "start" "-a" "6b8109da5c7f13bdca47a2d0513e45506c144543cb84b42d56990d2b4ec64a53"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/docs_test_case-35d651b1091edc18
[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] [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" "6b8109da5c7f13bdca47a2d0513e45506c144543cb84b42d56990d2b4ec64a53"`
[INFO] running `"docker" "rm" "-f" "6b8109da5c7f13bdca47a2d0513e45506c144543cb84b42d56990d2b4ec64a53"`
[INFO] [stdout] 6b8109da5c7f13bdca47a2d0513e45506c144543cb84b42d56990d2b4ec64a53