[INFO] crate emailmessage 0.2.2 is already in cache
[INFO] extracting crate emailmessage 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/emailmessage/0.2.2
[INFO] extracting crate emailmessage 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/emailmessage/0.2.2
[INFO] validating manifest of emailmessage-0.2.2 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 emailmessage-0.2.2 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 emailmessage-0.2.2
[INFO] finished frobbing emailmessage-0.2.2
[INFO] frobbed toml for emailmessage-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/emailmessage/0.2.2/Cargo.toml
[INFO] started frobbing emailmessage-0.2.2
[INFO] finished frobbing emailmessage-0.2.2
[INFO] frobbed toml for emailmessage-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/emailmessage/0.2.2/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 emailmessage-0.2.2 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/emailmessage/0.2.2:/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] 35ae457a8f443bc4a1df4098b7c434b02a52603283dd64f6bc25213aacdd7dac
[INFO] running `"docker" "start" "-a" "35ae457a8f443bc4a1df4098b7c434b02a52603283dd64f6bc25213aacdd7dac"`
[INFO] [stderr]    Compiling hyperx v0.13.2
[INFO] [stderr]    Compiling emailmessage v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mimebody.rs:648:21
[INFO] [stderr]     |
[INFO] [stderr] 648 |                 let mut chunk = BytesMut::with_capacity(
[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 9.82s
[INFO] running `"docker" "inspect" "35ae457a8f443bc4a1df4098b7c434b02a52603283dd64f6bc25213aacdd7dac"`
[INFO] running `"docker" "rm" "-f" "35ae457a8f443bc4a1df4098b7c434b02a52603283dd64f6bc25213aacdd7dac"`
[INFO] [stdout] 35ae457a8f443bc4a1df4098b7c434b02a52603283dd64f6bc25213aacdd7dac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/emailmessage/0.2.2:/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] 162fcc2e7b5bec13c9191389481cd8cc38b6ad2bae1ad6ad26f704c847cceb5b
[INFO] running `"docker" "start" "-a" "162fcc2e7b5bec13c9191389481cd8cc38b6ad2bae1ad6ad26f704c847cceb5b"`
[INFO] [stderr]    Compiling emailmessage v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mimebody.rs:648:21
[INFO] [stderr]     |
[INFO] [stderr] 648 |                 let mut chunk = BytesMut::with_capacity(
[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 25.33s
[INFO] running `"docker" "inspect" "162fcc2e7b5bec13c9191389481cd8cc38b6ad2bae1ad6ad26f704c847cceb5b"`
[INFO] running `"docker" "rm" "-f" "162fcc2e7b5bec13c9191389481cd8cc38b6ad2bae1ad6ad26f704c847cceb5b"`
[INFO] [stdout] 162fcc2e7b5bec13c9191389481cd8cc38b6ad2bae1ad6ad26f704c847cceb5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/emailmessage/0.2.2:/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] 09cd9f11edde820e7d377dde429d895d20d09b897072382fbe21cf2907e4e268
[INFO] running `"docker" "start" "-a" "09cd9f11edde820e7d377dde429d895d20d09b897072382fbe21cf2907e4e268"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emailmessage-6d4cc35eda1e17ab
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test encoder::test::base64_encode_all ... ok
[INFO] [stdout] test header::content::test::format_content_transfer_encoding ... ok
[INFO] [stdout] test encoder::test::eight_bit_encode ... ok
[INFO] [stdout] test encoder::test::quoted_printable_encode ... ok
[INFO] [stdout] test encoder::test::base64_encode_chunked ... ok
[INFO] [stdout] test encoder::test::seven_bit_encode ... ok
[INFO] [stdout] test encoder::test::base64_encode ... ok
[INFO] [stdout] test encoder::test::binary_encode ... ok
[INFO] [stdout] test header::content::test::parse_content_transfer_encoding ... ok
[INFO] [stdout] test header::mailbox::test::format_multi_with_name ... ok
[INFO] [stdout] test header::mailbox::test::parse_single_with_name ... ok
[INFO] [stdout] test header::mailbox::test::format_single_without_name ... ok
[INFO] [stdout] test header::mailbox::test::parse_single_with_utf8_name ... ok
[INFO] [stdout] test header::mailbox::test::parse_single_without_name ... ok
[INFO] [stdout] test header::mailbox::test::format_multi_without_name ... ok
[INFO] [stdout] test header::textual::test::format_ascii ... ok
[INFO] [stdout] test header::textual::test::format_utf8 ... ok
[INFO] [stdout] test header::special::test::format_mime_version ... ok
[INFO] [stdout] test header::textual::test::parse_utf8 ... ok
[INFO] [stdout] test mailbox::types::test::format_address_with_empty_name ... ok
[INFO] [stdout] test mailbox::types::test::format_address_with_name_trim ... ok
[INFO] [stdout] test mailbox::types::test::mailbox_format_address_only ... ok
[INFO] [stdout] test mailbox::types::test::mailbox_format_address_with_name ... ok
[INFO] [stdout] test header::mailbox::test::parse_multi_with_name ... ok
[INFO] [stdout] test header::mailbox::test::format_single_with_utf8_name ... ok
[INFO] [stdout] test mailbox::types::test::parse_address_only ... ok
[INFO] [stdout] test header::textual::test::parse_ascii ... ok
[INFO] [stdout] test mailbox::types::test::parse_address_with_empty_name ... ok
[INFO] [stdout] test mailbox::types::test::parse_address_with_empty_name_trim ... ok
[INFO] [stdout] test header::mailbox::test::parse_multi_without_name ... ok
[INFO] [stdout] test header::special::test::parse_mime_version ... ok
[INFO] [stdout] test message::test::date_header ... ok
[INFO] [stdout] test message::test::email_message ... ok
[INFO] [stdout] test mimebody::test::multi_part_mixed ... ok
[INFO] [stdout] test header::mailbox::test::format_single_with_name ... ok
[INFO] [stdout] test mimebody::test::multi_part_mixed_related ... ok
[INFO] [stdout] test mimebody::test::multi_part_alternative ... ok
[INFO] [stdout] test message::test::message_to_stream ... ok
[INFO] [stdout] test mimebody::test::single_part_base64 ... ok
[INFO] [stdout] test mailbox::types::test::parse_address_with_name ... ok
[INFO] [stdout] test mimebody::test::single_part_binary ... ok
[INFO] [stdout] test utf8_b::test::decode_utf8 ... ok
[INFO] [stdout] test utf8_b::test::encode_utf8 ... ok
[INFO] [stdout] test utf8_b::test::encode_ascii ... ok
[INFO] [stdout] test mimebody::test::single_part_quoted_printable ... ok
[INFO] [stdout] test utf8_b::test::decode_ascii ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests emailmessage
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] test src/lib.rs -  (line 61) ... ok
[INFO] [stdout] test src/lib.rs -  (line 106) ... ok
[INFO] [stdout] test src/lib.rs -  (line 223) ... ok
[INFO] [stdout] test src/lib.rs -  (line 284) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "09cd9f11edde820e7d377dde429d895d20d09b897072382fbe21cf2907e4e268"`
[INFO] running `"docker" "rm" "-f" "09cd9f11edde820e7d377dde429d895d20d09b897072382fbe21cf2907e4e268"`
[INFO] [stdout] 09cd9f11edde820e7d377dde429d895d20d09b897072382fbe21cf2907e4e268