[INFO] crate iron-pack 0.3.0 is already in cache
[INFO] extracting crate iron-pack 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/iron-pack/0.3.0
[INFO] extracting crate iron-pack 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iron-pack/0.3.0
[INFO] validating manifest of iron-pack-0.3.0 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 iron-pack-0.3.0 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 iron-pack-0.3.0
[INFO] finished frobbing iron-pack-0.3.0
[INFO] frobbed toml for iron-pack-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iron-pack/0.3.0/Cargo.toml
[INFO] started frobbing iron-pack-0.3.0
[INFO] finished frobbing iron-pack-0.3.0
[INFO] frobbed toml for iron-pack-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iron-pack/0.3.0/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 iron-pack-0.3.0 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/iron-pack/0.3.0:/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] 7fcfa12c019d21fbd6227c8f98919f4374f0a29848a8bb9407a33b19014d00c4
[INFO] running `"docker" "start" "-a" "7fcfa12c019d21fbd6227c8f98919f4374f0a29848a8bb9407a33b19014d00c4"`
[INFO] [stderr]    Compiling alloc-no-stdlib v1.2.0
[INFO] [stderr]    Compiling brotli-decompressor v1.2.1
[INFO] [stderr]    Compiling brotli v1.2.0
[INFO] [stderr]    Compiling iron-pack v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct BrotliBody(Box<WriteBody>);
[INFO] [stderr]    |                       ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:38
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 | struct GzipBody(Box<WriteBody>);
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct DeflateBody(Box<WriteBody>);
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:63
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stderr]    |                                                               ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:82
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.58s
[INFO] running `"docker" "inspect" "7fcfa12c019d21fbd6227c8f98919f4374f0a29848a8bb9407a33b19014d00c4"`
[INFO] running `"docker" "rm" "-f" "7fcfa12c019d21fbd6227c8f98919f4374f0a29848a8bb9407a33b19014d00c4"`
[INFO] [stdout] 7fcfa12c019d21fbd6227c8f98919f4374f0a29848a8bb9407a33b19014d00c4
[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/iron-pack/0.3.0:/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] 18bf2603b9c25979f0bd9088ad84fd0b4116690c11d14c8627bd0eadd8446cf7
[INFO] running `"docker" "start" "-a" "18bf2603b9c25979f0bd9088ad84fd0b4116690c11d14c8627bd0eadd8446cf7"`
[INFO] [stderr]    Compiling iron-pack v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct BrotliBody(Box<WriteBody>);
[INFO] [stderr]    |                       ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:38
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 | struct GzipBody(Box<WriteBody>);
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct DeflateBody(Box<WriteBody>);
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:63
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stderr]    |                                                               ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:82
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `"docker" "inspect" "18bf2603b9c25979f0bd9088ad84fd0b4116690c11d14c8627bd0eadd8446cf7"`
[INFO] running `"docker" "rm" "-f" "18bf2603b9c25979f0bd9088ad84fd0b4116690c11d14c8627bd0eadd8446cf7"`
[INFO] [stdout] 18bf2603b9c25979f0bd9088ad84fd0b4116690c11d14c8627bd0eadd8446cf7
[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/iron-pack/0.3.0:/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] 81bfe73de02032720631b349c48010a8e037feaa50f3033657ba6911c95ef85d
[INFO] running `"docker" "start" "-a" "81bfe73de02032720631b349c48010a8e037feaa50f3033657ba6911c95ef85d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_pack-4f4f70a4616e819d
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test priority_tests::it_should_not_use_a_compression_with_quality_0 ... ok
[INFO] [stdout] test priority_tests::it_should_use_the_more_prior_compression_based_on_quality_for_gzip ... ok
[INFO] [stdout] test priority_tests::it_should_use_the_brotli_compression_preferably_when_explicitly_sent ... ok
[INFO] [stdout] test priority_tests::it_should_use_the_more_prior_compression_based_on_quality_for_deflate ... ok
[INFO] [stdout] test priority_tests::it_should_use_the_gzip_compression_as_second_preference ... ok
[INFO] [stdout] test deflate_tests::it_should_compress_response_body_correctly_using_deflate_and_set_header ... ok
[INFO] [stdout] test gzip_tests::it_should_compress_response_body_correctly_using_gzip_and_set_header ... ok
[INFO] [stdout] test uncompressable_tests::it_should_not_compress_response_when_client_does_not_send_supported_encoding ... ok
[INFO] [stdout] test brotli_tests::it_should_compress_response_body_correctly_using_brotli_and_set_header ... ok
[INFO] [stdout] test uncompressable_tests::it_should_not_compress_small_response ... ok
[INFO] [stdout] test uncompressable_tests::it_should_not_compress_already_encoded_response ... ok
[INFO] [stdout] test uncompressable_tests::it_should_not_compress_response_when_client_does_not_send_accept_encoding_header ... ok
[INFO] [stdout] test priority_tests::it_should_use_the_gzip_compression_if_the_any_encoding_is_sent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iron_pack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - CompressionMiddleware (line 119) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "81bfe73de02032720631b349c48010a8e037feaa50f3033657ba6911c95ef85d"`
[INFO] running `"docker" "rm" "-f" "81bfe73de02032720631b349c48010a8e037feaa50f3033657ba6911c95ef85d"`
[INFO] [stdout] 81bfe73de02032720631b349c48010a8e037feaa50f3033657ba6911c95ef85d