[INFO] crate wrc 0.4.2 is already in cache
[INFO] extracting crate wrc 0.4.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/wrc/0.4.2
[INFO] extracting crate wrc 0.4.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wrc/0.4.2
[INFO] validating manifest of wrc-0.4.2 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 wrc-0.4.2 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 wrc-0.4.2
[INFO] finished frobbing wrc-0.4.2
[INFO] frobbed toml for wrc-0.4.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/wrc/0.4.2/Cargo.toml
[INFO] started frobbing wrc-0.4.2
[INFO] finished frobbing wrc-0.4.2
[INFO] frobbed toml for wrc-0.4.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wrc/0.4.2/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 wrc-0.4.2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wrc/0.4.2:/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] 17f3d5caca6642fe2862048ee321695ab3ae51f198c83ff422eeab6eced6969d
[INFO] running `"docker" "start" "-a" "17f3d5caca6642fe2862048ee321695ab3ae51f198c83ff422eeab6eced6969d"`
[INFO] [stderr]    Compiling wrc v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "17f3d5caca6642fe2862048ee321695ab3ae51f198c83ff422eeab6eced6969d"`
[INFO] running `"docker" "rm" "-f" "17f3d5caca6642fe2862048ee321695ab3ae51f198c83ff422eeab6eced6969d"`
[INFO] [stdout] 17f3d5caca6642fe2862048ee321695ab3ae51f198c83ff422eeab6eced6969d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wrc/0.4.2:/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] 399b1c8a30ad8784186e79834b53ae736950c029d1f222381f98502248d4bbb8
[INFO] running `"docker" "start" "-a" "399b1c8a30ad8784186e79834b53ae736950c029d1f222381f98502248d4bbb8"`
[INFO] [stderr]    Compiling wrc v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "399b1c8a30ad8784186e79834b53ae736950c029d1f222381f98502248d4bbb8"`
[INFO] running `"docker" "rm" "-f" "399b1c8a30ad8784186e79834b53ae736950c029d1f222381f98502248d4bbb8"`
[INFO] [stdout] 399b1c8a30ad8784186e79834b53ae736950c029d1f222381f98502248d4bbb8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wrc/0.4.2:/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] d8485040292f5d15d3ff3583022d3bdd204f71643c74a74b4d2afc0d670252e2
[INFO] running `"docker" "start" "-a" "d8485040292f5d15d3ff3583022d3bdd204f71643c74a74b4d2afc0d670252e2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wrc-489df575fb91f2bc
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test::inner_test::new_assigns_starting_weight ... ok
[INFO] [stdout] test test::inner_test::weight_add_doesnt_overflow ... ok
[INFO] [stdout] test test::trait_test::implements_ord ... ok
[INFO] [stdout] test test::trait_test::implements_fmt_debug ... ok
[INFO] [stdout] test test::trait_test::implements_hash ... ok
[INFO] [stdout] test test::trait_test::implements_default ... ok
[INFO] [stdout] test test::inner_test::weight_drop_doesnt_overflow ... ok
[INFO] [stdout] test test::inner_test::weight_can_be_dropped ... ok
[INFO] [stdout] test test::trait_test::implements_partial_eq ... ok
[INFO] [stdout] test test::trait_test::implements_partial_ord ... ok
[INFO] [stdout] test test::trait_test::implemnts_fmt_display ... ok
[INFO] [stdout] test test::wrc_test::clone_splits_weight ... ok
[INFO] [stdout] test test::wrc_test::deref_mut ... ok
[INFO] [stdout] test test::wrc_test::dropping_all_refs_drops_the_inner ... ok
[INFO] [stdout] test test::wrc_test::dropping_refs_drops_weight_from_inner ... ok
[INFO] [stdout] test test::wrc_test::explicit_clone ... ok
[INFO] [stdout] test test::wrc_test::initializes_with_default_weight ... ok
[INFO] [stdout] test test::wrc_test::more_weight_is_allocated_with_weight_exhausted ... ok
[INFO] [stdout] test test::inner_test::weight_can_be_added ... ok
[INFO] [stdout] test test::async_test::wrcs_can_be_sent_between_threads ... ok
[INFO] [stderr]    Doc-tests wrc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::drop (line 234) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::clone (line 216) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::new (line 116) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC<T>::clone (line 148) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC (line 85) ... ok
[INFO] [stdout] test src/wrc.rs - wrc::WRC (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d8485040292f5d15d3ff3583022d3bdd204f71643c74a74b4d2afc0d670252e2"`
[INFO] running `"docker" "rm" "-f" "d8485040292f5d15d3ff3583022d3bdd204f71643c74a74b4d2afc0d670252e2"`
[INFO] [stdout] d8485040292f5d15d3ff3583022d3bdd204f71643c74a74b4d2afc0d670252e2