[INFO] crate region 2.1.2 is already in cache
[INFO] extracting crate region 2.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/region/2.1.2
[INFO] extracting crate region 2.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/region/2.1.2
[INFO] validating manifest of region-2.1.2 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 region-2.1.2 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 region-2.1.2
[INFO] finished frobbing region-2.1.2
[INFO] frobbed toml for region-2.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/region/2.1.2/Cargo.toml
[INFO] started frobbing region-2.1.2
[INFO] finished frobbing region-2.1.2
[INFO] frobbed toml for region-2.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/region/2.1.2/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 region-2.1.2 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/region/2.1.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 987b109923bee4c4d7f4a725fe642e517798f61f825c0eaea9ab20b81e3bd18f
[INFO] running `"docker" "start" "-a" "987b109923bee4c4d7f4a725fe642e517798f61f825c0eaea9ab20b81e3bd18f"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling region v2.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: associated constant `None` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:143:11
[INFO] [stderr]     |
[INFO] [stderr] 143 |     const None             = 0;
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Read` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:145:11
[INFO] [stderr]     |
[INFO] [stderr] 145 |     const Read             = (1 << 1);
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `READ`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Write` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:147:11
[INFO] [stderr]     |
[INFO] [stderr] 147 |     const Write            = (1 << 2);
[INFO] [stderr]     |           ^^^^^ help: convert the identifier to upper case: `WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Execute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:149:11
[INFO] [stderr]     |
[INFO] [stderr] 149 |     const Execute          = (1 << 3);
[INFO] [stderr]     |           ^^^^^^^ help: convert the identifier to upper case: `EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:151:11
[INFO] [stderr]     |
[INFO] [stderr] 151 |     const ReadExecute      = (Self::Read.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^ help: convert the identifier to upper case: `READ_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWrite` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:153:11
[INFO] [stderr]     |
[INFO] [stderr] 153 |     const ReadWrite        = (Self::Read.bits | Self::Write.bits);
[INFO] [stderr]     |           ^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 |     const ReadWriteExecute = (Self::Read.bits | Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `WriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |     const WriteExecute     = (Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^ help: convert the identifier to upper case: `WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `None` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:143:11
[INFO] [stderr]     |
[INFO] [stderr] 143 |     const None             = 0;
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "987b109923bee4c4d7f4a725fe642e517798f61f825c0eaea9ab20b81e3bd18f"`
[INFO] running `"docker" "rm" "-f" "987b109923bee4c4d7f4a725fe642e517798f61f825c0eaea9ab20b81e3bd18f"`
[INFO] [stdout] 987b109923bee4c4d7f4a725fe642e517798f61f825c0eaea9ab20b81e3bd18f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/region/2.1.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 664a3915909f490e8228492cf514b6c86f19f29c05474cb5513a33d21282560f
[INFO] running `"docker" "start" "-a" "664a3915909f490e8228492cf514b6c86f19f29c05474cb5513a33d21282560f"`
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling region v2.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: associated constant `None` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:143:11
[INFO] [stderr]     |
[INFO] [stderr] 143 |     const None             = 0;
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Read` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:145:11
[INFO] [stderr]     |
[INFO] [stderr] 145 |     const Read             = (1 << 1);
[INFO] [stderr]     |           ^^^^ help: convert the identifier to upper case: `READ`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Write` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:147:11
[INFO] [stderr]     |
[INFO] [stderr] 147 |     const Write            = (1 << 2);
[INFO] [stderr]     |           ^^^^^ help: convert the identifier to upper case: `WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Execute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:149:11
[INFO] [stderr]     |
[INFO] [stderr] 149 |     const Execute          = (1 << 3);
[INFO] [stderr]     |           ^^^^^^^ help: convert the identifier to upper case: `EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:151:11
[INFO] [stderr]     |
[INFO] [stderr] 151 |     const ReadExecute      = (Self::Read.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^ help: convert the identifier to upper case: `READ_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWrite` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:153:11
[INFO] [stderr]     |
[INFO] [stderr] 153 |     const ReadWrite        = (Self::Read.bits | Self::Write.bits);
[INFO] [stderr]     |           ^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `ReadWriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 |     const ReadWriteExecute = (Self::Read.bits | Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `READ_WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `WriteExecute` should have an upper case name
[INFO] [stderr]    --> src/protect.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |     const WriteExecute     = (Self::Write.bits | Self::Execute.bits);
[INFO] [stderr]     |           ^^^^^^^^^^^^ help: convert the identifier to upper case: `WRITE_EXECUTE`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "664a3915909f490e8228492cf514b6c86f19f29c05474cb5513a33d21282560f"`
[INFO] running `"docker" "rm" "-f" "664a3915909f490e8228492cf514b6c86f19f29c05474cb5513a33d21282560f"`
[INFO] [stdout] 664a3915909f490e8228492cf514b6c86f19f29c05474cb5513a33d21282560f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/region/2.1.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b943e5b5efc7a64c780f13f7c21e83e44d4699f680fcbcf70d4661df7f394a3c
[INFO] running `"docker" "start" "-a" "b943e5b5efc7a64c780f13f7c21e83e44d4699f680fcbcf70d4661df7f394a3c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/region-de174ba291586655
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test lock::tests::lock_page ... ok
[INFO] [stdout] test os::linux::tests::parse_flags ... ok
[INFO] [stdout] test os::linux::tests::parse_region ... ok
[INFO] [stdout] test lock::tests::lock_page_release ... ok
[INFO] [stdout] test page::tests::page_rounding ... ok
[INFO] [stdout] test page::tests::page_size_value ... ok
[INFO] [stdout] test protect::tests::protect_alloc ... ok
[INFO] [stdout] test protect::tests::protect_code ... ok
[INFO] [stdout] test protect::tests::protect_null ... ok
[INFO] [stdout] test tests::query_area_zero ... ok
[INFO] [stdout] test tests::query_code ... ok
[INFO] [stdout] test protect::tests::protect_overlap ... ok
[INFO] [stdout] test tests::query_alloc ... ok
[INFO] [stdout] test tests::query_null ... ok
[INFO] [stdout] test protect::tests::protect_handle ... ok
[INFO] [stdout] test tests::query_area_overlap ... ok
[INFO] [stdout] test tests::query_area_alloc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests region
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test <::bitflags::__bitflags macros> - protect::Protection (line 15) ... ok
[INFO] [stdout] test src/lib.rs -  (line 36) ... ok
[INFO] [stdout] test src/lock.rs - lock::lock (line 17) ... ok
[INFO] [stdout] test src/lib.rs - query_range (line 149) ... ok
[INFO] [stdout] test src/lib.rs - query (line 119) ... ok
[INFO] [stdout] test src/protect.rs - protect::protect (line 18) ... 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" "b943e5b5efc7a64c780f13f7c21e83e44d4699f680fcbcf70d4661df7f394a3c"`
[INFO] running `"docker" "rm" "-f" "b943e5b5efc7a64c780f13f7c21e83e44d4699f680fcbcf70d4661df7f394a3c"`
[INFO] [stdout] b943e5b5efc7a64c780f13f7c21e83e44d4699f680fcbcf70d4661df7f394a3c