[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteawithsand%2Fsmtpc" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teawithsand/smtpc on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-8/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d23d31578f66b2e51c91e5e7479a5ceec07d2ff317e17320434fe33c199881
[INFO] running `Command { std: "docker" "start" "-a" "14d23d31578f66b2e51c91e5e7479a5ceec07d2ff317e17320434fe33c199881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d23d31578f66b2e51c91e5e7479a5ceec07d2ff317e17320434fe33c199881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d23d31578f66b2e51c91e5e7479a5ceec07d2ff317e17320434fe33c199881", kill_on_drop: false }`
[INFO] [stdout] 14d23d31578f66b2e51c91e5e7479a5ceec07d2ff317e17320434fe33c199881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 886c4774e8aa585dc5ad8b6d01d00f10649ec3456b3c5f1423f16b1341b4663a
[INFO] running `Command { std: "docker" "start" "-a" "886c4774e8aa585dc5ad8b6d01d00f10649ec3456b3c5f1423f16b1341b4663a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 ucd-util v0.1.5
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[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: field is never read: `is_err`
[INFO] [stdout]   --> src/encoding/base64.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     is_err: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "886c4774e8aa585dc5ad8b6d01d00f10649ec3456b3c5f1423f16b1341b4663a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886c4774e8aa585dc5ad8b6d01d00f10649ec3456b3c5f1423f16b1341b4663a", kill_on_drop: false }`
[INFO] [stdout] 886c4774e8aa585dc5ad8b6d01d00f10649ec3456b3c5f1423f16b1341b4663a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e9d76847f2cdccd81dc5ac913052351922b79e097e3da712b2c264a97b9f99
[INFO] running `Command { std: "docker" "start" "-a" "27e9d76847f2cdccd81dc5ac913052351922b79e097e3da712b2c264a97b9f99", kill_on_drop: false }`
[INFO] [stderr]    Compiling smtpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `is_err`
[INFO] [stdout]   --> src/encoding/base64.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     is_err: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_err`
[INFO] [stdout]   --> src/encoding/base64.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     is_err: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "27e9d76847f2cdccd81dc5ac913052351922b79e097e3da712b2c264a97b9f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e9d76847f2cdccd81dc5ac913052351922b79e097e3da712b2c264a97b9f99", kill_on_drop: false }`
[INFO] [stdout] 27e9d76847f2cdccd81dc5ac913052351922b79e097e3da712b2c264a97b9f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8eae6f9ac6a2894dd51f857b1074a562aa6ed8b1ca92620f23320f624ceaff1b
[INFO] running `Command { std: "docker" "start" "-a" "8eae6f9ac6a2894dd51f857b1074a562aa6ed8b1ca92620f23320f624ceaff1b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `is_err`
[INFO] [stderr]   --> src/encoding/base64.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     is_err: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_err`
[INFO] [stderr]   --> src/encoding/base64.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     is_err: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smtpc-6fb55ceadd84e0f6)
[INFO] [stdout] running 20 tests
[INFO] [stdout] test mail::date::tests::parse_dates ... ok
[INFO] [stdout] test mail::header::message_id::test::test_can_parse_multiple_message_ids ... ok
[INFO] [stdout] test encoding::quoted_printable::test::test_can_decode_quoted_printable ... ok
[INFO] [stdout] test mail::header::raw_bag::test::test_can_parse_headers ... ok
[INFO] [stdout] test encoding::multipart::test::test_can_read_part_form_multipart ... ok
[INFO] [stdout] test utils::quoted::rfc_2047::test::test_encoded_len ... ok
[INFO] [stdout] test mail::address::test::test_can_parse_single_email_address ... ok
[INFO] [stdout] test encoding::base64::test::test_decode_gives_same_result ... ok
[INFO] [stdout] test encoding::quoted_printable::test::test_can_encode_quoted_printable ... 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 utils::hex::test::test_can_encode_any_byte ... ok
[INFO] [stdout] test utils::quoted::quoted::test::test_can_quote_string ... ok
[INFO] [stdout] test utils::quoted::quoted::test::test_can_unquote_string ... ok
[INFO] [stdout] test utils::quoted::rfc_2047::test::test_can_parse_rfc_2047 ... ok
[INFO] [stdout] test utils::quoted::rfc_2047::test::test_can_encode_and_parse ... ok
[INFO] [stdout] test mail::header::bag::test::test_can_parse_valid_header ... ok
[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 utils::test::test_partial_match ... 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/reader.rs - mail::header::reader::count_header_bytes (line 19) ... ok
[INFO] [stdout] test src/mail/header/bag.rs - mail::header::bag::ParsedHeaderBag::get_content_transfer_encoding (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8eae6f9ac6a2894dd51f857b1074a562aa6ed8b1ca92620f23320f624ceaff1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eae6f9ac6a2894dd51f857b1074a562aa6ed8b1ca92620f23320f624ceaff1b", kill_on_drop: false }`
[INFO] [stdout] 8eae6f9ac6a2894dd51f857b1074a562aa6ed8b1ca92620f23320f624ceaff1b