[INFO] fetching crate mulm 1.1.3... [INFO] testing mulm-1.1.3 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate mulm 1.1.3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate mulm 1.1.3 [INFO] finished tweaking crates.io crate mulm 1.1.3 [INFO] tweaked toml for crates.io crate mulm 1.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mulm 1.1.3 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mulm 1.1.3 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ce2be20aa7ea000f8f7a7c5ab79897f7fa62dd0692bef447ae205c0773d51b9 [INFO] running `Command { std: "docker" "start" "-a" "5ce2be20aa7ea000f8f7a7c5ab79897f7fa62dd0692bef447ae205c0773d51b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ce2be20aa7ea000f8f7a7c5ab79897f7fa62dd0692bef447ae205c0773d51b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce2be20aa7ea000f8f7a7c5ab79897f7fa62dd0692bef447ae205c0773d51b9", kill_on_drop: false }` [INFO] [stdout] 5ce2be20aa7ea000f8f7a7c5ab79897f7fa62dd0692bef447ae205c0773d51b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98a3f618d0b022825bf2db38ef35cdcf6551c5cf92ea71a4b88a8d52417f2da4 [INFO] running `Command { std: "docker" "start" "-a" "98a3f618d0b022825bf2db38ef35cdcf6551c5cf92ea71a4b88a8d52417f2da4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling hashbrown v0.15.3 [INFO] [stderr] Compiling data-encoding v2.9.0 [INFO] [stderr] Compiling quoted_printable v0.5.1 [INFO] [stderr] Compiling winnow v0.7.9 [INFO] [stderr] Compiling toml_write v0.1.1 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling gethostname v0.2.3 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling indexmap v2.9.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling charset v0.1.5 [INFO] [stderr] Compiling mailparse v0.14.1 [INFO] [stderr] Compiling mailparse v0.16.1 [INFO] [stderr] Compiling maildir v0.6.4 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling toml_datetime v0.6.9 [INFO] [stderr] Compiling serde_spanned v0.6.8 [INFO] [stderr] Compiling toml_edit v0.22.26 [INFO] [stderr] Compiling toml v0.8.22 [INFO] [stderr] Compiling mulm v1.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result, Box> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.67s [INFO] running `Command { std: "docker" "inspect" "98a3f618d0b022825bf2db38ef35cdcf6551c5cf92ea71a4b88a8d52417f2da4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98a3f618d0b022825bf2db38ef35cdcf6551c5cf92ea71a4b88a8d52417f2da4", kill_on_drop: false }` [INFO] [stdout] 98a3f618d0b022825bf2db38ef35cdcf6551c5cf92ea71a4b88a8d52417f2da4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73ebf00f0d8b14ddd16ef9a9f2b9471d1e0eccdd2b1786c0ebf2264fab105419 [INFO] running `Command { std: "docker" "start" "-a" "73ebf00f0d8b14ddd16ef9a9f2b9471d1e0eccdd2b1786c0ebf2264fab105419", kill_on_drop: false }` [INFO] [stderr] Compiling mulm v1.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result, Box> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "73ebf00f0d8b14ddd16ef9a9f2b9471d1e0eccdd2b1786c0ebf2264fab105419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73ebf00f0d8b14ddd16ef9a9f2b9471d1e0eccdd2b1786c0ebf2264fab105419", kill_on_drop: false }` [INFO] [stdout] 73ebf00f0d8b14ddd16ef9a9f2b9471d1e0eccdd2b1786c0ebf2264fab105419 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f3d3ab540b435444ea8bec05697a2094d9768d24f9b32f4030481b4cafd9eb29 [INFO] running `Command { std: "docker" "start" "-a" "f3d3ab540b435444ea8bec05697a2094d9768d24f9b32f4030481b4cafd9eb29", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | fn action_for_mail(mail: &[u8]) -> Result> { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 42 | fn action_for_mail(mail: &[u8]) -> Result, Box> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `mulm` (bin "mulm" test) generated 1 warning (run `cargo fix --bin "mulm" -p mulm --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mulm-2fc4a5d9709c7af6) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test::a_subscribe_command ... ok [INFO] [stdout] test test::a_message_to_pass_through ... ok [INFO] [stdout] test test::an_unsubscribe_command ... ok [INFO] [stdout] test test::a_basic_parse ... ok [INFO] [stdout] test list::test::test_create_load ... ok [INFO] [stdout] test test::a_bad_email ... ok [INFO] [stdout] test list::test::test_send ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f3d3ab540b435444ea8bec05697a2094d9768d24f9b32f4030481b4cafd9eb29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3d3ab540b435444ea8bec05697a2094d9768d24f9b32f4030481b4cafd9eb29", kill_on_drop: false }` [INFO] [stdout] f3d3ab540b435444ea8bec05697a2094d9768d24f9b32f4030481b4cafd9eb29