[INFO] crate topojson 0.1.0 is already in cache
[INFO] extracting crate topojson 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/topojson/0.1.0
[INFO] extracting crate topojson 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/topojson/0.1.0
[INFO] validating manifest of topojson-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 topojson-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 topojson-0.1.0
[INFO] finished frobbing topojson-0.1.0
[INFO] frobbed toml for topojson-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/topojson/0.1.0/Cargo.toml
[INFO] started frobbing topojson-0.1.0
[INFO] finished frobbing topojson-0.1.0
[INFO] frobbed toml for topojson-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/topojson/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 topojson-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-3/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/topojson/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] 0673d569e29670c6a6611aa4f50f2436bd40c24a157e7af290ab3e766f648854
[INFO] running `"docker" "start" "-a" "0673d569e29670c6a6611aa4f50f2436bd40c24a157e7af290ab3e766f648854"`
[INFO] [stderr]    Compiling geo-types v0.2.2
[INFO] [stderr]    Compiling geojson v0.12.0
[INFO] [stderr]    Compiling topojson v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/to_geojson.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut ix;
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "0673d569e29670c6a6611aa4f50f2436bd40c24a157e7af290ab3e766f648854"`
[INFO] running `"docker" "rm" "-f" "0673d569e29670c6a6611aa4f50f2436bd40c24a157e7af290ab3e766f648854"`
[INFO] [stdout] 0673d569e29670c6a6611aa4f50f2436bd40c24a157e7af290ab3e766f648854
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/topojson/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] 8563a5739a474c6bd07665eee06d72c6009b237aab24184421423042e5749367
[INFO] running `"docker" "start" "-a" "8563a5739a474c6bd07665eee06d72c6009b237aab24184421423042e5749367"`
[INFO] [stderr]    Compiling topojson v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/to_geojson.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut ix;
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `"docker" "inspect" "8563a5739a474c6bd07665eee06d72c6009b237aab24184421423042e5749367"`
[INFO] running `"docker" "rm" "-f" "8563a5739a474c6bd07665eee06d72c6009b237aab24184421423042e5749367"`
[INFO] [stdout] 8563a5739a474c6bd07665eee06d72c6009b237aab24184421423042e5749367
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/topojson/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] 19f7f71eaea8936dd4adee7443f5a9265ba59af62029e9d6256c437454e292b3
[INFO] running `"docker" "start" "-a" "19f7f71eaea8936dd4adee7443f5a9265ba59af62029e9d6256c437454e292b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/topojson-2012d941fb81ce1a
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test geometry::tests::encode_decode_geometry_with_position ... ok
[INFO] [stdout] test to_geojson::tests::convert_fails_unknown_key ... ok
[INFO] [stdout] test geometry::tests::encode_decode_geometry_with_foreign_member ... ok
[INFO] [stdout] test geometry::tests::encode_decode_geometry_with_arc_indexes_polygon ... ok
[INFO] [stdout] test geometry::tests::encode_decode_geometry_with_arc_indexes_linestring ... ok
[INFO] [stdout] test geometry::tests::encode_decode_geometry_with_properties ... ok
[INFO] [stdout] test geometry::tests::encode_decode_geometry_collection ... ok
[INFO] [stdout] test geometry::tests::decode_invalid_linestring ... ok
[INFO] [stdout] test topology::tests::encode_decode_topology_arcs ... ok
[INFO] [stdout] test topology::tests::encode_decode_topology_arcs_object ... ok
[INFO] [stdout] test topology::tests::encode_decode_topology_example_quantized_specifications ... ok
[INFO] [stdout] test topology::tests::list_names_objects ... ok
[INFO] [stdout] test to_geojson::tests::convert_quantized_topology_example_specifications ... ok
[INFO] [stdout] test topology::tests::decode_invalid_topology_bad_type ... ok
[INFO] [stdout] test topology::tests::decode_invalid_topology_no_arcs ... ok
[INFO] [stdout] test topology::tests::decode_invalid_topology_no_objects ... ok
[INFO] [stdout] test topology::tests::encode_decode_topology_arcs_transform_geom_collection ... ok
[INFO] [stdout] test topology::tests::encode_decode_topology_arcs_transform ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topojson
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 59) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] test src/lib.rs -  (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "19f7f71eaea8936dd4adee7443f5a9265ba59af62029e9d6256c437454e292b3"`
[INFO] running `"docker" "rm" "-f" "19f7f71eaea8936dd4adee7443f5a9265ba59af62029e9d6256c437454e292b3"`
[INFO] [stdout] 19f7f71eaea8936dd4adee7443f5a9265ba59af62029e9d6256c437454e292b3