[INFO] crate obstack 0.1.3 is already in cache
[INFO] extracting crate obstack 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/obstack/0.1.3
[INFO] extracting crate obstack 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/obstack/0.1.3
[INFO] validating manifest of obstack-0.1.3 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 obstack-0.1.3 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 obstack-0.1.3
[INFO] finished frobbing obstack-0.1.3
[INFO] frobbed toml for obstack-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/obstack/0.1.3/Cargo.toml
[INFO] started frobbing obstack-0.1.3
[INFO] finished frobbing obstack-0.1.3
[INFO] frobbed toml for obstack-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/obstack/0.1.3/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 obstack-0.1.3 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/reg/obstack/0.1.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cc5bd60e7e635b2b99eb9823a043fc800868339d6b231fbd24209fa95de5ffa7
[INFO] running `"docker" "start" "-a" "cc5bd60e7e635b2b99eb9823a043fc800868339d6b231fbd24209fa95de5ffa7"`
[INFO] [stderr]    Compiling obstack v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "cc5bd60e7e635b2b99eb9823a043fc800868339d6b231fbd24209fa95de5ffa7"`
[INFO] running `"docker" "rm" "-f" "cc5bd60e7e635b2b99eb9823a043fc800868339d6b231fbd24209fa95de5ffa7"`
[INFO] [stdout] cc5bd60e7e635b2b99eb9823a043fc800868339d6b231fbd24209fa95de5ffa7
[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/reg/obstack/0.1.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a71173475dbf2b94277f456bc9bcfcad53296fe0fc02aba818bf4d0e3fb6fa8e
[INFO] running `"docker" "start" "-a" "a71173475dbf2b94277f456bc9bcfcad53296fe0fc02aba818bf4d0e3fb6fa8e"`
[INFO] [stderr]    Compiling obstack v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "a71173475dbf2b94277f456bc9bcfcad53296fe0fc02aba818bf4d0e3fb6fa8e"`
[INFO] running `"docker" "rm" "-f" "a71173475dbf2b94277f456bc9bcfcad53296fe0fc02aba818bf4d0e3fb6fa8e"`
[INFO] [stdout] a71173475dbf2b94277f456bc9bcfcad53296fe0fc02aba818bf4d0e3fb6fa8e
[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/reg/obstack/0.1.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4826311d3caaefcdfe0270d941a092df86ee048d307b94070dc953865f20c68f
[INFO] running `"docker" "start" "-a" "4826311d3caaefcdfe0270d941a092df86ee048d307b94070dc953865f20c68f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/obstack-5bc312a0633b520f
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test impls::tests::test ... ok
[INFO] [stdout] test tests::test_recursive_ref ... ok
[INFO] [stdout] test tests::test_threads ... ok
[INFO] [stdout] test tests::test_consistency_simple ... ok
[INFO] [stdout] test tests::test_ref_drop ... ok
[INFO] [stdout] test tests::test_consistency_multiple_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests obstack
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - Obstack::bytes_used (line 187) ... ok
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] test src/lib.rs - Ref::unwrap (line 238) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::push_copy (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::push (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 154) ... ok
[INFO] [stdout] test src/lib.rs - Obstack::copy_from_slice (line 129) ... ok
[INFO] [stdout] test src/lib.rs - Ref::unwrap (line 253) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4826311d3caaefcdfe0270d941a092df86ee048d307b94070dc953865f20c68f"`
[INFO] running `"docker" "rm" "-f" "4826311d3caaefcdfe0270d941a092df86ee048d307b94070dc953865f20c68f"`
[INFO] [stdout] 4826311d3caaefcdfe0270d941a092df86ee048d307b94070dc953865f20c68f