[INFO] fetching crate mailboar_backend 0.3.4...
[INFO] checking mailboar_backend-0.3.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate mailboar_backend 0.3.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mailboar_backend 0.3.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailboar_backend 0.3.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mailboar_backend 0.3.4
[INFO] tweaked toml for crates.io crate mailboar_backend 0.3.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 233 packages to latest compatible versions
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (available: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding matchers v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding matchit v0.7.3 (available: v0.8.4)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (available: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding security-framework v2.11.1 (available: v3.0.0)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (available: v1.0.1)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.1)
[INFO] [stderr]       Adding tower-http v0.5.2 (available: v0.6.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding windows-registry v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding windows-strings v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b5480efd44e549ad28aa247478a92596cea9f7a5599f38e44bdd6ff6f9ba195
[INFO] running `Command { std: "docker" "start" "-a" "0b5480efd44e549ad28aa247478a92596cea9f7a5599f38e44bdd6ff6f9ba195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b5480efd44e549ad28aa247478a92596cea9f7a5599f38e44bdd6ff6f9ba195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5480efd44e549ad28aa247478a92596cea9f7a5599f38e44bdd6ff6f9ba195", kill_on_drop: false }`
[INFO] [stdout] 0b5480efd44e549ad28aa247478a92596cea9f7a5599f38e44bdd6ff6f9ba195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c30081a7ccf4126f6e9a25751291a1f0b1e836a149948d3eaad6dc05e08c6de
[INFO] running `Command { std: "docker" "start" "-a" "6c30081a7ccf4126f6e9a25751291a1f0b1e836a149948d3eaad6dc05e08c6de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.3
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking quoted_printable v0.5.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking charset v0.1.5
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking rustls-pki-types v1.9.0
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-range-header v0.4.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking email-encoding v0.3.0
[INFO] [stderr]     Checking hostname v0.4.0
[INFO] [stderr]     Checking rustls-pemfile v2.1.3
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking chumsky v0.9.3
[INFO] [stderr]     Checking email_address v0.2.9
[INFO] [stderr]     Checking mailparse v0.15.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking openssl v0.10.66
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking zerofrom v0.1.4
[INFO] [stderr]     Checking yoke v0.7.4
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking native-tls v0.2.12
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.1
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking tower-http v0.5.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna v1.0.2
[INFO] [stderr]     Checking lettre v0.11.9
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]     Checking hyper-util v0.1.9
[INFO] [stderr]     Checking axum v0.7.7
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.7
[INFO] [stderr]     Checking mailboar_backend v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.07s
[INFO] running `Command { std: "docker" "inspect" "6c30081a7ccf4126f6e9a25751291a1f0b1e836a149948d3eaad6dc05e08c6de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c30081a7ccf4126f6e9a25751291a1f0b1e836a149948d3eaad6dc05e08c6de", kill_on_drop: false }`
[INFO] [stdout] 6c30081a7ccf4126f6e9a25751291a1f0b1e836a149948d3eaad6dc05e08c6de