[INFO] crate maplit 1.0.1 is already in cache
[INFO] extracting crate maplit 1.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/maplit/1.0.1
[INFO] extracting crate maplit 1.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/maplit/1.0.1
[INFO] validating manifest of maplit-1.0.1 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 maplit-1.0.1 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 maplit-1.0.1
[INFO] finished frobbing maplit-1.0.1
[INFO] frobbed toml for maplit-1.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/maplit/1.0.1/Cargo.toml
[INFO] started frobbing maplit-1.0.1
[INFO] finished frobbing maplit-1.0.1
[INFO] frobbed toml for maplit-1.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/maplit/1.0.1/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 maplit-1.0.1 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-4/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/maplit/1.0.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ef951d10eaf1ee4483ee2e0085d4fd4820e1e9e63daf8690fa5ef84f3f1ff774
[INFO] running `"docker" "start" "-a" "ef951d10eaf1ee4483ee2e0085d4fd4820e1e9e63daf8690fa5ef84f3f1ff774"`
[INFO] [stderr]    Compiling maplit v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "ef951d10eaf1ee4483ee2e0085d4fd4820e1e9e63daf8690fa5ef84f3f1ff774"`
[INFO] running `"docker" "rm" "-f" "ef951d10eaf1ee4483ee2e0085d4fd4820e1e9e63daf8690fa5ef84f3f1ff774"`
[INFO] [stdout] ef951d10eaf1ee4483ee2e0085d4fd4820e1e9e63daf8690fa5ef84f3f1ff774
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/maplit/1.0.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec72cb4b93e37724888015933a9263cb13ed21d14379a0b6c8b43547faa189f9
[INFO] running `"docker" "start" "-a" "ec72cb4b93e37724888015933a9263cb13ed21d14379a0b6c8b43547faa189f9"`
[INFO] [stderr]    Compiling maplit v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> tests/tests.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stderr]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> tests/tests.rs:28:23
[INFO] [stderr]    |
[INFO] [stderr] 28 |     hashset!{{1 + 1}, (2 + 1)};
[INFO] [stderr]    |                       ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "ec72cb4b93e37724888015933a9263cb13ed21d14379a0b6c8b43547faa189f9"`
[INFO] running `"docker" "rm" "-f" "ec72cb4b93e37724888015933a9263cb13ed21d14379a0b6c8b43547faa189f9"`
[INFO] [stdout] ec72cb4b93e37724888015933a9263cb13ed21d14379a0b6c8b43547faa189f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/maplit/1.0.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 296aad11ec7858cfc537cb92df86987b380c031241c1591b8489a4d33a8dc6a2
[INFO] running `"docker" "start" "-a" "296aad11ec7858cfc537cb92df86987b380c031241c1591b8489a4d33a8dc6a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maplit-dede1bfca920e25d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_hashmap ... ok
[INFO] [stdout] test test_btreemap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parse ... ok
[INFO] [stdout] test hashset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tests-98c8fe51b7aa783b
[INFO] [stderr]    Doc-tests maplit
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - btreemap (line 100) ... ok
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] test src/lib.rs - btreeset (line 133) ... ok
[INFO] [stdout] test src/lib.rs - hashset (line 67) ... ok
[INFO] [stdout] test src/lib.rs - hashmap (line 33) ... ok
[INFO] [stdout] test src/lib.rs - convert_args (line 178) ... 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" "296aad11ec7858cfc537cb92df86987b380c031241c1591b8489a4d33a8dc6a2"`
[INFO] running `"docker" "rm" "-f" "296aad11ec7858cfc537cb92df86987b380c031241c1591b8489a4d33a8dc6a2"`
[INFO] [stdout] 296aad11ec7858cfc537cb92df86987b380c031241c1591b8489a4d33a8dc6a2