[INFO] crate idlset 0.1.1 is already in cache
[INFO] extracting crate idlset 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/idlset/0.1.1
[INFO] extracting crate idlset 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/idlset/0.1.1
[INFO] validating manifest of idlset-0.1.1 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 idlset-0.1.1 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 idlset-0.1.1
[INFO] finished frobbing idlset-0.1.1
[INFO] frobbed toml for idlset-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/idlset/0.1.1/Cargo.toml
[INFO] started frobbing idlset-0.1.1
[INFO] finished frobbing idlset-0.1.1
[INFO] frobbed toml for idlset-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/idlset/0.1.1/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 idlset-0.1.1 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/idlset/0.1.1:/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] dbb93155387df92cbbba6a4456cf8381229a6ae7d0dafe9215f4dd8583e47a77
[INFO] running `"docker" "start" "-a" "dbb93155387df92cbbba6a4456cf8381229a6ae7d0dafe9215f4dd8583e47a77"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling idlset v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]    --> src/lib.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn len(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/idl_simple.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "dbb93155387df92cbbba6a4456cf8381229a6ae7d0dafe9215f4dd8583e47a77"`
[INFO] running `"docker" "rm" "-f" "dbb93155387df92cbbba6a4456cf8381229a6ae7d0dafe9215f4dd8583e47a77"`
[INFO] [stdout] dbb93155387df92cbbba6a4456cf8381229a6ae7d0dafe9215f4dd8583e47a77
[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/idlset/0.1.1:/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] a2814aaede93e05901acbdb676ef357c51acc4f08abb0aa1fdedcd4c69851617
[INFO] running `"docker" "start" "-a" "a2814aaede93e05901acbdb676ef357c51acc4f08abb0aa1fdedcd4c69851617"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling idlset v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/idl_simple.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "a2814aaede93e05901acbdb676ef357c51acc4f08abb0aa1fdedcd4c69851617"`
[INFO] running `"docker" "rm" "-f" "a2814aaede93e05901acbdb676ef357c51acc4f08abb0aa1fdedcd4c69851617"`
[INFO] [stdout] a2814aaede93e05901acbdb676ef357c51acc4f08abb0aa1fdedcd4c69851617
[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/idlset/0.1.1:/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] a8ef1bdab073ce7c7ed01b2a8b581af818a422b637bf05730edc40a4ae8d3bd5
[INFO] running `"docker" "start" "-a" "a8ef1bdab073ce7c7ed01b2a8b581af818a422b637bf05730edc40a4ae8d3bd5"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/idlset-d2d645121a356ea5
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test_from_iter ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_range_intersection_1 ... ok
[INFO] [stdout] test tests::test_contains ... ok
[INFO] [stdout] test tests::test_range_intersection_4 ... ok
[INFO] [stdout] test tests::test_range_intersection_2 ... ok
[INFO] [stdout] test tests::test_range_intersection_3 ... ok
[INFO] [stdout] test tests::test_range_not_1 ... ok
[INFO] [stdout] test tests::test_range_not_3 ... ok
[INFO] [stdout] test tests::test_range_union_1 ... ok
[INFO] [stdout] test tests::test_store_zero ... ok
[INFO] [stdout] test tests::test_range_union_3 ... ok
[INFO] [stdout] test tests::test_range_union_2 ... ok
[INFO] [stdout] test tests::test_range_not_2 ... ok
[INFO] [stdout] test tests::test_range_intersection_6 ... ok
[INFO] [stdout] test tests::test_range_intersection_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bench_idl-f1b778b537ad27e8
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test idl_simple::tests::test_simple_intersection_1 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_intersection_2 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_intersection_4 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_not_1 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_union_2 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_union_3 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_union_1 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_not_3 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_not_2 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_intersection_6 ... ok
[INFO] [stdout] test idl_simple::tests::test_simple_intersection_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests idlset
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - IDLBitRangeIter (line 486) ... ok
[INFO] [stdout] test src/lib.rs - IDLBitRange::bitor (line 340) ... ok
[INFO] [stdout] test src/lib.rs - IDLBitRangeIter (line 479) ... ok
[INFO] [stdout] test src/lib.rs - IDLBitRange::bitand (line 281) ... ok
[INFO] [stdout] test src/lib.rs - IDLBitRange::andnot (line 406) ... ok
[INFO] [stdout] test src/lib.rs - IDLBitRange::andnot (line 420) ... ok
[INFO] [stdout] test src/lib.rs - IDLBitRange (line 133) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a8ef1bdab073ce7c7ed01b2a8b581af818a422b637bf05730edc40a4ae8d3bd5"`
[INFO] running `"docker" "rm" "-f" "a8ef1bdab073ce7c7ed01b2a8b581af818a422b637bf05730edc40a4ae8d3bd5"`
[INFO] [stdout] a8ef1bdab073ce7c7ed01b2a8b581af818a422b637bf05730edc40a4ae8d3bd5