[INFO] crate hg-core 0.0.1 is already in cache
[INFO] extracting crate hg-core 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/hg-core/0.0.1
[INFO] extracting crate hg-core 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hg-core/0.0.1
[INFO] validating manifest of hg-core-0.0.1 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 hg-core-0.0.1 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 hg-core-0.0.1
[INFO] finished frobbing hg-core-0.0.1
[INFO] frobbed toml for hg-core-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hg-core/0.0.1/Cargo.toml
[INFO] started frobbing hg-core-0.0.1
[INFO] finished frobbing hg-core-0.0.1
[INFO] frobbed toml for hg-core-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hg-core/0.0.1/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 hg-core-0.0.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hg-core/0.0.1:/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] dc443bccf2f139ed66deda40ca273735e591e3bbe2fd5dad2b82ab70fc50b533
[INFO] running `"docker" "start" "-a" "dc443bccf2f139ed66deda40ca273735e591e3bbe2fd5dad2b82ab70fc50b533"`
[INFO] [stderr]    Compiling hg-core v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "dc443bccf2f139ed66deda40ca273735e591e3bbe2fd5dad2b82ab70fc50b533"`
[INFO] running `"docker" "rm" "-f" "dc443bccf2f139ed66deda40ca273735e591e3bbe2fd5dad2b82ab70fc50b533"`
[INFO] [stdout] dc443bccf2f139ed66deda40ca273735e591e3bbe2fd5dad2b82ab70fc50b533
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hg-core/0.0.1:/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] a052e892ea755abc03e461c33999dbb5f5c4fd7d319bb3079ae5fc6ed784f7ba
[INFO] running `"docker" "start" "-a" "a052e892ea755abc03e461c33999dbb5f5c4fd7d319bb3079ae5fc6ed784f7ba"`
[INFO] [stderr]    Compiling hg-core v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "a052e892ea755abc03e461c33999dbb5f5c4fd7d319bb3079ae5fc6ed784f7ba"`
[INFO] running `"docker" "rm" "-f" "a052e892ea755abc03e461c33999dbb5f5c4fd7d319bb3079ae5fc6ed784f7ba"`
[INFO] [stdout] a052e892ea755abc03e461c33999dbb5f5c4fd7d319bb3079ae5fc6ed784f7ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hg-core/0.0.1:/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] 71c11d90b92dfab3eef50243c42ddcd2046a3c2c5cfc7f55b4344b66a05dec77
[INFO] running `"docker" "start" "-a" "71c11d90b92dfab3eef50243c42ddcd2046a3c2c5cfc7f55b4344b66a05dec77"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hg-c5b52d16d44ca925
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test ancestors::tests::test_contains ... ok
[INFO] [stdout] test ancestors::tests::test_initrev_out_of_range ... ok
[INFO] [stdout] test ancestors::tests::test_empty ... ok
[INFO] [stdout] test ancestors::tests::test_lazy_contains_iter ... ok
[INFO] [stdout] test ancestors::tests::test_list_ancestor ... ok
[INFO] [stdout] test ancestors::tests::test_missing_ancestors ... ok
[INFO] [stdout] test ancestors::tests::test_missing_remove ... ok
[INFO] [stdout] test ancestors::tests::test_lazy_iter_contains ... ok
[INFO] [stdout] test ancestors::tests::test_missing_bases ... ok
[INFO] [stdout] test ancestors::tests::test_next_out_of_range ... ok
[INFO] [stdout] test ancestors::tests::test_remove_ancestors_from_case1 ... ok
[INFO] [stdout] test ancestors::tests::test_nullrev_input ... ok
[INFO] [stdout] test ancestors::tests::test_peek ... ok
[INFO] [stdout] test dagops::tests::test_heads ... ok
[INFO] [stdout] test dagops::tests::test_retain_heads ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_missing_ancestors-e7434a2f1d46c2eb
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_missing_ancestors_compare_naive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hg
[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" "71c11d90b92dfab3eef50243c42ddcd2046a3c2c5cfc7f55b4344b66a05dec77"`
[INFO] running `"docker" "rm" "-f" "71c11d90b92dfab3eef50243c42ddcd2046a3c2c5cfc7f55b4344b66a05dec77"`
[INFO] [stdout] 71c11d90b92dfab3eef50243c42ddcd2046a3c2c5cfc7f55b4344b66a05dec77