[INFO] crate dbc 0.3.3 is already in cache
[INFO] extracting crate dbc 0.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/dbc/0.3.3
[INFO] extracting crate dbc 0.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dbc/0.3.3
[INFO] validating manifest of dbc-0.3.3 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 dbc-0.3.3 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 dbc-0.3.3
[INFO] finished frobbing dbc-0.3.3
[INFO] frobbed toml for dbc-0.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dbc/0.3.3/Cargo.toml
[INFO] started frobbing dbc-0.3.3
[INFO] finished frobbing dbc-0.3.3
[INFO] frobbed toml for dbc-0.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dbc/0.3.3/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] [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" "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] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dbc-0.3.3 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-1/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/dbc/0.3.3:/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] 2040444856a217fd76481b197a797ad19fea64d616067797a2116c38e7362cfd
[INFO] running `"docker" "start" "-a" "2040444856a217fd76481b197a797ad19fea64d616067797a2116c38e7362cfd"`
[INFO] [stderr] warning: unused manifest key: package.keyworks
[INFO] [stderr]    Compiling dbc v0.3.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "2040444856a217fd76481b197a797ad19fea64d616067797a2116c38e7362cfd"`
[INFO] running `"docker" "rm" "-f" "2040444856a217fd76481b197a797ad19fea64d616067797a2116c38e7362cfd"`
[INFO] [stdout] 2040444856a217fd76481b197a797ad19fea64d616067797a2116c38e7362cfd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/dbc/0.3.3:/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] 0d0e6704cd37a4d05fbd8247b17e5e2be1b9b2544a0b459580b82ee4051bd2d5
[INFO] running `"docker" "start" "-a" "0d0e6704cd37a4d05fbd8247b17e5e2be1b9b2544a0b459580b82ee4051bd2d5"`
[INFO] [stderr] warning: unused manifest key: package.keyworks
[INFO] [stderr]    Compiling dbc v0.3.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "0d0e6704cd37a4d05fbd8247b17e5e2be1b9b2544a0b459580b82ee4051bd2d5"`
[INFO] running `"docker" "rm" "-f" "0d0e6704cd37a4d05fbd8247b17e5e2be1b9b2544a0b459580b82ee4051bd2d5"`
[INFO] [stdout] 0d0e6704cd37a4d05fbd8247b17e5e2be1b9b2544a0b459580b82ee4051bd2d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/dbc/0.3.3:/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] 40ec4ab02cd65af7f2be1f77901bb691e2214bd0c9734498f1e7897b231bc782
[INFO] running `"docker" "start" "-a" "40ec4ab02cd65af7f2be1f77901bb691e2214bd0c9734498f1e7897b231bc782"`
[INFO] [stderr] warning: unused manifest key: package.keyworks
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dbc-fbcec60d38f5a5ca
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_ensure_does_not_assert ... ok
[INFO] [stdout] test tests::test_formatvar ... ok
[INFO] [stdout] test tests::test_invariant ... ok
[INFO] [stdout] test tests::test_require_does_not_assert ... ok
[INFO] [stdout] test tests::test_ensure_asserts ... ok
[INFO] [stdout] test tests::test_invariant_asserts ... ok
[INFO] [stdout] test tests::test_require_asserts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dbc
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - invariant (line 197) ... ok
[INFO] [stdout] test src/lib.rs - formatvar (line 68) ... ok
[INFO] [stdout] test src/lib.rs - require (line 106) ... ok
[INFO] [stdout] test src/lib.rs - ensure (line 146) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "40ec4ab02cd65af7f2be1f77901bb691e2214bd0c9734498f1e7897b231bc782"`
[INFO] running `"docker" "rm" "-f" "40ec4ab02cd65af7f2be1f77901bb691e2214bd0c9734498f1e7897b231bc782"`
[INFO] [stdout] 40ec4ab02cd65af7f2be1f77901bb691e2214bd0c9734498f1e7897b231bc782