[INFO] crate iron-pack 0.3.0 is already in cache
[INFO] extracting crate iron-pack 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/iron-pack/0.3.0
[INFO] extracting crate iron-pack 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iron-pack/0.3.0
[INFO] validating manifest of iron-pack-0.3.0 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 iron-pack-0.3.0 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/iron-pack/0.3.0/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 iron-pack-0.3.0 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a0ea35bb3ce98349a3031cd48148d15245ede9f77ecc6e22b7dd799512a8bc38
[INFO] running `"docker" "start" "-a" "a0ea35bb3ce98349a3031cd48148d15245ede9f77ecc6e22b7dd799512a8bc38"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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]     Finished dev [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `"docker" "inspect" "a0ea35bb3ce98349a3031cd48148d15245ede9f77ecc6e22b7dd799512a8bc38"`
[INFO] running `"docker" "rm" "-f" "a0ea35bb3ce98349a3031cd48148d15245ede9f77ecc6e22b7dd799512a8bc38"`
[INFO] [stdout] a0ea35bb3ce98349a3031cd48148d15245ede9f77ecc6e22b7dd799512a8bc38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1bae19611c024e4ee7ba5962cbfa13929d3a65e7169978b4e5884d4c437a3214
[INFO] running `"docker" "start" "-a" "1bae19611c024e4ee7ba5962cbfa13929d3a65e7169978b4e5884d4c437a3214"`
[INFO] [stderr]    Compiling iron-test v0.6.0
[INFO] [stderr]    Compiling iron-pack v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `"docker" "inspect" "1bae19611c024e4ee7ba5962cbfa13929d3a65e7169978b4e5884d4c437a3214"`
[INFO] running `"docker" "rm" "-f" "1bae19611c024e4ee7ba5962cbfa13929d3a65e7169978b4e5884d4c437a3214"`
[INFO] [stdout] 1bae19611c024e4ee7ba5962cbfa13929d3a65e7169978b4e5884d4c437a3214
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] bc54161c1b80d1813a03a1141bb37d5d6132dcf6e13221e12ef3f9df6d40968d
[INFO] running `"docker" "start" "-a" "bc54161c1b80d1813a03a1141bb37d5d6132dcf6e13221e12ef3f9df6d40968d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_pack-33195fe33d661cdb
[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_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 priority_tests::it_should_use_the_brotli_compression_preferably_when_explicitly_sent ... ok
[INFO] [stdout] test priority_tests::it_should_use_the_gzip_compression_if_the_any_encoding_is_sent ... 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_supported_encoding ... ok
[INFO] [stdout] test priority_tests::it_should_use_the_more_prior_compression_based_on_quality_for_gzip ... 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_more_prior_compression_based_on_quality_for_deflate ... ok
[INFO] [stdout] test gzip_tests::it_should_compress_response_body_correctly_using_gzip_and_set_header ... 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] 
[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" "bc54161c1b80d1813a03a1141bb37d5d6132dcf6e13221e12ef3f9df6d40968d"`
[INFO] running `"docker" "rm" "-f" "bc54161c1b80d1813a03a1141bb37d5d6132dcf6e13221e12ef3f9df6d40968d"`
[INFO] [stdout] bc54161c1b80d1813a03a1141bb37d5d6132dcf6e13221e12ef3f9df6d40968d