[INFO] crate rift 0.5.1 is already in cache
[INFO] extracting crate rift 0.5.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/rift/0.5.1
[INFO] extracting crate rift 0.5.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rift/0.5.1
[INFO] validating manifest of rift-0.5.1 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 rift-0.5.1 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 rift-0.5.1
[INFO] finished frobbing rift-0.5.1
[INFO] frobbed toml for rift-0.5.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rift/0.5.1/Cargo.toml
[INFO] started frobbing rift-0.5.1
[INFO] finished frobbing rift-0.5.1
[INFO] frobbed toml for rift-0.5.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rift/0.5.1/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 rift-0.5.1 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rift/0.5.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 9cabb1ad2c0420815c946acc0d0022f13f7456c15a000f1b33caedb432d8f15b
[INFO] running `"docker" "start" "-a" "9cabb1ad2c0420815c946acc0d0022f13f7456c15a000f1b33caedb432d8f15b"`
[INFO] [stderr]    Compiling integer-encoding v1.0.7
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling rift v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/protocol/compact.rs:258:44
[INFO] [stderr]     |
[INFO] [stderr] 258 |             let val_type = try!(u8_to_type((type_header & 0x0F)));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `"docker" "inspect" "9cabb1ad2c0420815c946acc0d0022f13f7456c15a000f1b33caedb432d8f15b"`
[INFO] running `"docker" "rm" "-f" "9cabb1ad2c0420815c946acc0d0022f13f7456c15a000f1b33caedb432d8f15b"`
[INFO] [stdout] 9cabb1ad2c0420815c946acc0d0022f13f7456c15a000f1b33caedb432d8f15b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rift/0.5.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c1208ed0cb85ae4ea3452a0ca368a0fdc47bf8fc1b59051357f4bf02c3e7737c
[INFO] running `"docker" "start" "-a" "c1208ed0cb85ae4ea3452a0ca368a0fdc47bf8fc1b59051357f4bf02c3e7737c"`
[INFO] [stderr]    Compiling rift v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/protocol/compact.rs:258:44
[INFO] [stderr]     |
[INFO] [stderr] 258 |             let val_type = try!(u8_to_type((type_header & 0x0F)));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "c1208ed0cb85ae4ea3452a0ca368a0fdc47bf8fc1b59051357f4bf02c3e7737c"`
[INFO] running `"docker" "rm" "-f" "c1208ed0cb85ae4ea3452a0ca368a0fdc47bf8fc1b59051357f4bf02c3e7737c"`
[INFO] [stdout] c1208ed0cb85ae4ea3452a0ca368a0fdc47bf8fc1b59051357f4bf02c3e7737c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rift/0.5.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2f2d6debae2f75193ee8a2d50105ccfc66255f026dcaa5ce1e353f091cce4170
[INFO] running `"docker" "start" "-a" "2f2d6debae2f75193ee8a2d50105ccfc66255f026dcaa5ce1e353f091cce4170"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rift-d318074b43f036a8
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test transport::buffered::tests::must_return_zero_if_nothing_more_can_be_read ... ok
[INFO] [stdout] test transport::buffered::tests::must_return_zero_if_nothing_can_be_written ... ok
[INFO] [stdout] test transport::buffered::tests::must_return_zero_if_read_buffer_is_empty ... ok
[INFO] [stdout] test transport::buffered::tests::must_return_zero_if_caller_reads_into_zero_capacity_buffer ... ok
[INFO] [stdout] test transport::buffered::tests::must_return_zero_if_caller_calls_write_with_empty_buffer ... ok
[INFO] [stdout] test transport::buffered::tests::must_return_zero_if_write_buffer_full ... ok
[INFO] [stdout] test transport::framed::tests::foo ... ok
[INFO] [stdout] test transport::mem::tests::must_accept_multiple_reads_until_all_bytes_read ... ok
[INFO] [stdout] test transport::buffered::tests::must_fill_user_buffer_with_only_as_many_bytes_as_available ... ok
[INFO] [stdout] test transport::buffered::tests::must_write_successfully_after_flush ... ok
[INFO] [stdout] test transport::buffered::tests::must_only_write_to_inner_transport_on_flush ... ok
[INFO] [stdout] test transport::buffered::tests::must_read_successfully ... ok
[INFO] [stdout] test transport::mem::tests::must_allow_reads_to_succeed_after_read_buffer_replenished ... ok
[INFO] [stdout] test transport::mem::tests::must_empty_write_buffer ... ok
[INFO] [stdout] test transport::mem::tests::must_empty_read_buffer ... ok
[INFO] [stdout] test transport::mem::tests::must_accept_writes_after_buffer_emptied ... ok
[INFO] [stdout] test transport::mem::tests::must_accept_multiple_writes_until_buffer_is_full ... ok
[INFO] [stdout] test transport::mem::tests::must_allow_readable_bytes_to_be_set_after_read_buffer_emptied ... 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 rift
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/protocol/mod.rs - protocol::TInputProtocolFactory (line 375) ... ok
[INFO] [stdout] test src/protocol/mod.rs - protocol::TOutputProtocol (line 296) ... ok
[INFO] [stdout] test src/protocol/mod.rs - protocol (line 43) ... ok
[INFO] [stdout] test src/protocol/mod.rs - protocol (line 63) ... ok
[INFO] [stdout] test src/protocol/mod.rs - protocol::TInputProtocol (line 121) ... ok
[INFO] [stdout] test src/protocol/mod.rs - protocol::TOutputProtocolFactory (line 399) ... ok
[INFO] [stdout] test src/errors.rs - errors::Error (line 68) ... ok
[INFO] [stdout] test src/errors.rs - errors::Error (line 104) ... ok
[INFO] [stdout] test src/errors.rs - errors::Error (line 135) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f2d6debae2f75193ee8a2d50105ccfc66255f026dcaa5ce1e353f091cce4170"`
[INFO] running `"docker" "rm" "-f" "2f2d6debae2f75193ee8a2d50105ccfc66255f026dcaa5ce1e353f091cce4170"`
[INFO] [stdout] 2f2d6debae2f75193ee8a2d50105ccfc66255f026dcaa5ce1e353f091cce4170