[INFO] cloning repository https://github.com/teawithsand/smtpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teawithsand/smtpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteawithsand%2Fsmtpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteawithsand%2Fsmtpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a08f6f8c2e99552b782b094a8a3686e02e20a7c
[INFO] testing teawithsand/smtpc against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteawithsand%2Fsmtpc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teawithsand/smtpc on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/teawithsand/smtpc
[INFO] finished tweaking git repo https://github.com/teawithsand/smtpc
[INFO] tweaked toml for git repo https://github.com/teawithsand/smtpc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/teawithsand/smtpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cc80f3c7e6f81f55f0febab25b1bb5c6b89a5b1866c595ab345a41cf286da64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0cc80f3c7e6f81f55f0febab25b1bb5c6b89a5b1866c595ab345a41cf286da64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc80f3c7e6f81f55f0febab25b1bb5c6b89a5b1866c595ab345a41cf286da64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc80f3c7e6f81f55f0febab25b1bb5c6b89a5b1866c595ab345a41cf286da64", kill_on_drop: false }`
[INFO] [stdout] 0cc80f3c7e6f81f55f0febab25b1bb5c6b89a5b1866c595ab345a41cf286da64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 887b2b46ddb723cfecfab3d1277b1204b1052fa22423584da3e35192e237b76c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "887b2b46ddb723cfecfab3d1277b1204b1052fa22423584da3e35192e237b76c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling smtpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_uppercase` that must be used
[INFO] [stdout]   --> src/mail/header/raw_bag.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 data[i..=i].to_ascii_uppercase();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: to uppercase the value in-place, use `make_ascii_uppercase()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_lowercase` that must be used
[INFO] [stdout]   --> src/mail/header/raw_bag.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 data[i..=i].to_ascii_lowercase();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: to lowercase the value in-place, use `make_ascii_lowercase()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.51s
[INFO] running `Command { std: "docker" "inspect" "887b2b46ddb723cfecfab3d1277b1204b1052fa22423584da3e35192e237b76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887b2b46ddb723cfecfab3d1277b1204b1052fa22423584da3e35192e237b76c", kill_on_drop: false }`
[INFO] [stdout] 887b2b46ddb723cfecfab3d1277b1204b1052fa22423584da3e35192e237b76c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a9d718198aa88d39a7e33f0567f3b8066e390e0ab095723cea4b5cdfac0b296
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a9d718198aa88d39a7e33f0567f3b8066e390e0ab095723cea4b5cdfac0b296", kill_on_drop: false }`
[INFO] [stderr]    Compiling smtpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_uppercase` that must be used
[INFO] [stdout]   --> src/mail/header/raw_bag.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 data[i..=i].to_ascii_uppercase();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: to uppercase the value in-place, use `make_ascii_uppercase()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_lowercase` that must be used
[INFO] [stdout]   --> src/mail/header/raw_bag.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 data[i..=i].to_ascii_lowercase();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: to lowercase the value in-place, use `make_ascii_lowercase()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_uppercase` that must be used
[INFO] [stdout]   --> src/mail/header/raw_bag.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 data[i..=i].to_ascii_uppercase();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: to uppercase the value in-place, use `make_ascii_uppercase()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_lowercase` that must be used
[INFO] [stdout]   --> src/mail/header/raw_bag.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 data[i..=i].to_ascii_lowercase();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: to lowercase the value in-place, use `make_ascii_lowercase()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "0a9d718198aa88d39a7e33f0567f3b8066e390e0ab095723cea4b5cdfac0b296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9d718198aa88d39a7e33f0567f3b8066e390e0ab095723cea4b5cdfac0b296", kill_on_drop: false }`
[INFO] [stdout] 0a9d718198aa88d39a7e33f0567f3b8066e390e0ab095723cea4b5cdfac0b296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a209d787227f5fe04a91390a65c6a36046766ecc9f26087c7ab6d757f58e831d
[INFO] running `Command { std: "docker" "start" "-a" "a209d787227f5fe04a91390a65c6a36046766ecc9f26087c7ab6d757f58e831d", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `str::<impl str>::to_ascii_uppercase` that must be used
[INFO] [stderr]   --> src/mail/header/raw_bag.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 data[i..=i].to_ascii_uppercase();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: to uppercase the value in-place, use `make_ascii_uppercase()`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `str::<impl str>::to_ascii_lowercase` that must be used
[INFO] [stderr]   --> src/mail/header/raw_bag.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 data[i..=i].to_ascii_lowercase();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: to lowercase the value in-place, use `make_ascii_lowercase()`
[INFO] [stderr] 
[INFO] [stderr] warning: `smtpc` (lib) generated 2 warnings
[INFO] [stderr] warning: `smtpc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smtpc-6e0b8e661e6e9dd6)
[INFO] [stdout] running 20 tests
[INFO] [stdout] test encoding::base64::test::test_encode_gives_same_result ... ok
[INFO] [stdout] test mail::header::message_id::test::test_can_parse_single_message_id ... ok
[INFO] [stdout] test mail::header::raw_bag::test::test_can_parse_headers ... ok
[INFO] [stdout] test utils::quoted::rfc_2047::test::test_can_parse_rfc_2047 ... ok
[INFO] [stdout] test utils::quoted::quoted::test::test_can_quote_string ... ok
[INFO] [stdout] test encoding::multipart::test::test_can_read_part_form_multipart ... ok
[INFO] [stdout] test utils::quoted::rfc_2047::test::test_can_encode_and_parse ... ok
[INFO] [stdout] test utils::quoted::rfc_2047::test::test_encoded_len ... ok
[INFO] [stdout] test utils::quoted::quoted::test::test_can_unquote_string ... ok
[INFO] [stdout] test encoding::base64::test::test_decode_gives_same_result ... ok
[INFO] [stdout] test mail::date::tests::parse_dates ... ok
[INFO] [stdout] test mail::header::bag::test::test_can_parse_valid_header ... ok
[INFO] [stdout] test mail::header::message_id::test::test_can_parse_multiple_message_ids ... ok
[INFO] [stdout] test utils::hex::test::test_can_encode_any_byte ... ok
[INFO] [stdout] test mail::address::test::test_can_parse_address_group ... ok
[INFO] [stdout] test mail::header::reader::test::test_can_read_mail_headers ... ok
[INFO] [stdout] test encoding::quoted_printable::test::test_can_decode_quoted_printable ... ok
[INFO] [stdout] test encoding::quoted_printable::test::test_can_encode_quoted_printable ... ok
[INFO] [stdout] test utils::test::test_partial_match ... ok
[INFO] [stdout] test mail::address::test::test_can_parse_single_email_address ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smtpc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/mail/header/bag.rs - mail::header::bag::ParsedHeaderBag::get_content_transfer_encoding (line 38) ... ok
[INFO] [stdout] test src/mail/header/reader.rs - mail::header::reader::count_header_bytes (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a209d787227f5fe04a91390a65c6a36046766ecc9f26087c7ab6d757f58e831d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a209d787227f5fe04a91390a65c6a36046766ecc9f26087c7ab6d757f58e831d", kill_on_drop: false }`
[INFO] [stdout] a209d787227f5fe04a91390a65c6a36046766ecc9f26087c7ab6d757f58e831d