[INFO] fetching crate email_sender 0.1.8... [INFO] testing email_sender-0.1.8 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate email_sender 0.1.8 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate email_sender 0.1.8 [INFO] finished tweaking crates.io crate email_sender 0.1.8 [INFO] tweaked toml for crates.io crate email_sender 0.1.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate email_sender 0.1.8 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate email_sender 0.1.8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e5877f48e3b921d4d679c7ca2799192ba829359a9d4ea4be8e826acb4cfab14 [INFO] running `Command { std: "docker" "start" "-a" "0e5877f48e3b921d4d679c7ca2799192ba829359a9d4ea4be8e826acb4cfab14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e5877f48e3b921d4d679c7ca2799192ba829359a9d4ea4be8e826acb4cfab14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e5877f48e3b921d4d679c7ca2799192ba829359a9d4ea4be8e826acb4cfab14", kill_on_drop: false }` [INFO] [stdout] 0e5877f48e3b921d4d679c7ca2799192ba829359a9d4ea4be8e826acb4cfab14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f061c055d122186c08a83ce48755bd8e529c96f07c6541d2090b440be1618d5 [INFO] running `Command { std: "docker" "start" "-a" "6f061c055d122186c08a83ce48755bd8e529c96f07c6541d2090b440be1618d5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling writeable v0.6.1 [INFO] [stderr] Compiling litemap v0.8.0 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.2.24 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling smallvec v1.15.0 [INFO] [stderr] Compiling gimli v0.31.1 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.72 [INFO] [stderr] Compiling miniz_oxide v0.8.8 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling rustc-demangle v0.1.24 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling allocator-api2 v0.2.21 [INFO] [stderr] Compiling openssl-probe v0.1.6 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling nom v8.0.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling email_address v0.2.9 [INFO] [stderr] Compiling quoted_printable v0.5.1 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling email-encoding v0.4.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling socket2 v0.5.10 [INFO] [stderr] Compiling hostname v0.4.1 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling openssl-sys v0.9.108 [INFO] [stderr] Compiling psm v0.1.26 [INFO] [stderr] Compiling stacker v0.1.21 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling addr2line v0.24.2 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling chumsky v0.9.3 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling dotenv v0.14.1 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling zerovec v0.11.2 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling potential_utf v0.1.2 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling lettre v0.11.16 [INFO] [stderr] Compiling email_sender v0.1.8 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.13s [INFO] running `Command { std: "docker" "inspect" "6f061c055d122186c08a83ce48755bd8e529c96f07c6541d2090b440be1618d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f061c055d122186c08a83ce48755bd8e529c96f07c6541d2090b440be1618d5", kill_on_drop: false }` [INFO] [stdout] 6f061c055d122186c08a83ce48755bd8e529c96f07c6541d2090b440be1618d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 256c6ea43d75a765951c6ede3e2f7711acf9a551c442e2365109b67bc087d8e9 [INFO] running `Command { std: "docker" "start" "-a" "256c6ea43d75a765951c6ede3e2f7711acf9a551c442e2365109b67bc087d8e9", kill_on_drop: false }` [INFO] [stderr] Compiling email_sender v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `options` [INFO] [stdout] --> src/lib.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 112 | let options = EmailOptions::new( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "256c6ea43d75a765951c6ede3e2f7711acf9a551c442e2365109b67bc087d8e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "256c6ea43d75a765951c6ede3e2f7711acf9a551c442e2365109b67bc087d8e9", kill_on_drop: false }` [INFO] [stdout] 256c6ea43d75a765951c6ede3e2f7711acf9a551c442e2365109b67bc087d8e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d42af67ccd842fd56a986ee0e60474886bc14b268bbae4b0077b693ddec03086 [INFO] running `Command { std: "docker" "start" "-a" "d42af67ccd842fd56a986ee0e60474886bc14b268bbae4b0077b693ddec03086", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `options` [INFO] [stderr] --> src/lib.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | let options = EmailOptions::new( [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `email_sender` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/email_sender-ec99d8875f89e29b) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_send_email ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests email_sender [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d42af67ccd842fd56a986ee0e60474886bc14b268bbae4b0077b693ddec03086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d42af67ccd842fd56a986ee0e60474886bc14b268bbae4b0077b693ddec03086", kill_on_drop: false }` [INFO] [stdout] d42af67ccd842fd56a986ee0e60474886bc14b268bbae4b0077b693ddec03086