[INFO] crate rcgc 0.1.0 is already in cache
[INFO] extracting crate rcgc 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rcgc/0.1.0
[INFO] extracting crate rcgc 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rcgc/0.1.0
[INFO] validating manifest of rcgc-0.1.0 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 rcgc-0.1.0 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 rcgc-0.1.0
[INFO] finished frobbing rcgc-0.1.0
[INFO] frobbed toml for rcgc-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rcgc/0.1.0/Cargo.toml
[INFO] started frobbing rcgc-0.1.0
[INFO] finished frobbing rcgc-0.1.0
[INFO] frobbed toml for rcgc-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rcgc/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rcgc-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rcgc/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=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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 23fb01e534da7331fa988af789f1bf04fdf8358cffa3a43ac8b3ef964137d124
[INFO] running `"docker" "start" "-a" "23fb01e534da7331fa988af789f1bf04fdf8358cffa3a43ac8b3ef964137d124"`
[INFO] [stderr]    Compiling rcgc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "23fb01e534da7331fa988af789f1bf04fdf8358cffa3a43ac8b3ef964137d124"`
[INFO] running `"docker" "rm" "-f" "23fb01e534da7331fa988af789f1bf04fdf8358cffa3a43ac8b3ef964137d124"`
[INFO] [stdout] 23fb01e534da7331fa988af789f1bf04fdf8358cffa3a43ac8b3ef964137d124
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rcgc/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=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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa2faead030c0fb5d99a5e6444b2fe7bcafc834e28dcf9534df2cc4a14965bd2
[INFO] running `"docker" "start" "-a" "aa2faead030c0fb5d99a5e6444b2fe7bcafc834e28dcf9534df2cc4a14965bd2"`
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling rcgc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `"docker" "inspect" "aa2faead030c0fb5d99a5e6444b2fe7bcafc834e28dcf9534df2cc4a14965bd2"`
[INFO] running `"docker" "rm" "-f" "aa2faead030c0fb5d99a5e6444b2fe7bcafc834e28dcf9534df2cc4a14965bd2"`
[INFO] [stdout] aa2faead030c0fb5d99a5e6444b2fe7bcafc834e28dcf9534df2cc4a14965bd2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rcgc/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=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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 60ce242ac37a1e3cc2d12474e906784bdb1e472c71c6b6de6075d4ca096b1aa4
[INFO] running `"docker" "start" "-a" "60ce242ac37a1e3cc2d12474e906784bdb1e472c71c6b6de6075d4ca096b1aa4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rcgc-af8d9778343e778e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::destroys_cycles ... ok
[INFO] [stdout] test tests::collects_when_heap_grows ... ok
[INFO] [stdout] test tests::destroys_objects_on_drop ... ok
[INFO] [stdout] test tests::destroys_cycles_on_drop ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/version_numbers-8c0453c88c62742f
[INFO] [stdout] test tests::traces_references ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcgc
[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" "60ce242ac37a1e3cc2d12474e906784bdb1e472c71c6b6de6075d4ca096b1aa4"`
[INFO] running `"docker" "rm" "-f" "60ce242ac37a1e3cc2d12474e906784bdb1e472c71c6b6de6075d4ca096b1aa4"`
[INFO] [stdout] 60ce242ac37a1e3cc2d12474e906784bdb1e472c71c6b6de6075d4ca096b1aa4