[INFO] crate interval_set 0.1.2 is already in cache
[INFO] extracting crate interval_set 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/interval_set/0.1.2
[INFO] extracting crate interval_set 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interval_set/0.1.2
[INFO] validating manifest of interval_set-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of interval_set-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing interval_set-0.1.2
[INFO] finished frobbing interval_set-0.1.2
[INFO] frobbed toml for interval_set-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/interval_set/0.1.2/Cargo.toml
[INFO] started frobbing interval_set-0.1.2
[INFO] finished frobbing interval_set-0.1.2
[INFO] frobbed toml for interval_set-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/interval_set/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing interval_set-0.1.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/interval_set/0.1.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3bc99c1e5802de121b85ff4fb84bc9153a94551758f164359e45154d3b54f6cc
[INFO] running `"docker" "start" "-a" "3bc99c1e5802de121b85ff4fb84bc9153a94551758f164359e45154d3b54f6cc"`
[INFO] [stderr]    Compiling interval_set v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut iter = self.split_whitespace();
[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 0.71s
[INFO] running `"docker" "inspect" "3bc99c1e5802de121b85ff4fb84bc9153a94551758f164359e45154d3b54f6cc"`
[INFO] running `"docker" "rm" "-f" "3bc99c1e5802de121b85ff4fb84bc9153a94551758f164359e45154d3b54f6cc"`
[INFO] [stdout] 3bc99c1e5802de121b85ff4fb84bc9153a94551758f164359e45154d3b54f6cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/interval_set/0.1.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 30848bbb258414e36ae4e13b9f86ac4f477817c7feb1bc10b0ccf6635e12693a
[INFO] running `"docker" "start" "-a" "30848bbb258414e36ae4e13b9f86ac4f477817c7feb1bc10b0ccf6635e12693a"`
[INFO] [stderr]    Compiling interval_set v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut iter = self.split_whitespace();
[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 0.98s
[INFO] running `"docker" "inspect" "30848bbb258414e36ae4e13b9f86ac4f477817c7feb1bc10b0ccf6635e12693a"`
[INFO] running `"docker" "rm" "-f" "30848bbb258414e36ae4e13b9f86ac4f477817c7feb1bc10b0ccf6635e12693a"`
[INFO] [stdout] 30848bbb258414e36ae4e13b9f86ac4f477817c7feb1bc10b0ccf6635e12693a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/interval_set/0.1.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ec42ba360b661241335d5c6d5ead62f81534c5fb4f6cab7a0bb0692cbb7f2dd9
[INFO] running `"docker" "start" "-a" "ec42ba360b661241335d5c6d5ead62f81534c5fb4f6cab7a0bb0692cbb7f2dd9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/interval_set-2e0181c1b35b2df5
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test interval_set::tests::test_difference ... ok
[INFO] [stdout] test interval_set::tests::test_insertion ... ok
[INFO] [stdout] test interval_set::tests::test_flatten ... ok
[INFO] [stdout] test interval_set::tests::test_intersection ... ok
[INFO] [stdout] test interval_set::tests::test_symetric_difference ... ok
[INFO] [stdout] test interval_set::tests::test_print ... ok
[INFO] [stdout] test interval_set::tests::test_to_interval_set ... ok
[INFO] [stderr]    Doc-tests interval_set
[INFO] [stdout] test interval_set::tests::test_union ... ok
[INFO] [stdout] test interval_set::tests::test_unflatten ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Interval::is_valid (line 89) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Interval::is_valid (line 81) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::symetric_difference (line 273) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::size (line 328) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::difference (line 258) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::max (line 290) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::intersection (line 243) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::iter (line 347) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::IntervalSet::union (line 228) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Vec<(u32, u32)>::to_interval_set (line 197) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::Vec<Interval>::to_interval_set (line 174) ... ok
[INFO] [stdout] test src/libinterval_set/interval_set.rs - interval_set::String::to_interval_set (line 127) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ec42ba360b661241335d5c6d5ead62f81534c5fb4f6cab7a0bb0692cbb7f2dd9"`
[INFO] running `"docker" "rm" "-f" "ec42ba360b661241335d5c6d5ead62f81534c5fb4f6cab7a0bb0692cbb7f2dd9"`
[INFO] [stdout] ec42ba360b661241335d5c6d5ead62f81534c5fb4f6cab7a0bb0692cbb7f2dd9