[INFO] fetching crate xsmtp 0.1.19...
[INFO] checking xsmtp-0.1.19 against 1.95.0 for pr-155915
[INFO] extracting crate xsmtp 0.1.19 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate xsmtp 0.1.19
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xsmtp 0.1.19
[INFO] tweaked toml for crates.io crate xsmtp 0.1.19 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xsmtp 0.1.19 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xsmtp 0.1.19 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trt v0.1.29
[INFO] [stderr]   Downloaded anyhow v1.0.96
[INFO] [stderr]   Downloaded static_init_macro v1.0.4
[INFO] [stderr]   Downloaded aok v0.1.17
[INFO] [stderr]   Downloaded deflate64 v0.1.9
[INFO] [stderr]   Downloaded genv v0.1.16
[INFO] [stderr]   Downloaded idns v0.1.20
[INFO] [stderr]   Downloaded gethostname v0.5.0
[INFO] [stderr]   Downloaded crc v3.2.1
[INFO] [stderr]   Downloaded gethostname v1.0.0
[INFO] [stderr]   Downloaded lockfree-object-pool v0.1.6
[INFO] [stderr]   Downloaded rand_core v0.9.1
[INFO] [stderr]   Downloaded data-encoding v2.8.0
[INFO] [stderr]   Downloaded async-trait v0.1.86
[INFO] [stderr]   Downloaded tempfile v3.17.1
[INFO] [stderr]   Downloaded quick_cache v0.6.10
[INFO] [stderr]   Downloaded zopfli v0.8.1
[INFO] [stderr]   Downloaded smtp-proto v0.1.5
[INFO] [stderr]   Downloaded zstd-safe v7.2.2
[INFO] [stderr]   Downloaded hickory-resolver v0.24.4
[INFO] [stderr]   Downloaded widestring v1.1.0
[INFO] [stderr]   Downloaded hashify v0.2.6
[INFO] [stderr]   Downloaded zip v2.2.2
[INFO] [stderr]   Downloaded cc v1.2.14
[INFO] [stderr]   Downloaded static_init v1.0.3
[INFO] [stderr]   Downloaded serde_json v1.0.139
[INFO] [stderr]   Downloaded quick-xml v0.37.2
[INFO] [stderr]   Downloaded mail-auth v0.6.1
[INFO] [stderr]   Downloaded zerocopy v0.8.20
[INFO] [stderr]   Downloaded mail-send-fork v0.5.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.20
[INFO] [stderr]   Downloaded mail-builder v0.4.1
[INFO] [stderr]   Downloaded hickory-proto v0.24.4
[INFO] [stderr]   Downloaded mail-parser v0.10.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]   Downloaded ring v0.17.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 578c03d99b93d1095752a9e482aaa58dc90d25b3f3e476dc0fc10d6ed7466eaf
[INFO] running `Command { std: "docker" "start" "-a" "578c03d99b93d1095752a9e482aaa58dc90d25b3f3e476dc0fc10d6ed7466eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578c03d99b93d1095752a9e482aaa58dc90d25b3f3e476dc0fc10d6ed7466eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578c03d99b93d1095752a9e482aaa58dc90d25b3f3e476dc0fc10d6ed7466eaf", kill_on_drop: false }`
[INFO] [stdout] 578c03d99b93d1095752a9e482aaa58dc90d25b3f3e476dc0fc10d6ed7466eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf1d4fdf453201c8badb3916fe7e7604d6b1d3d5ed15fc0ba0cea219866e22a4
[INFO] running `Command { std: "docker" "start" "-a" "bf1d4fdf453201c8badb3916fe7e7604d6b1d3d5ed15fc0ba0cea219866e22a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling zstd-safe v7.2.2
[INFO] [stderr]    Compiling static_init v1.0.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.20
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking data-encoding v2.8.0
[INFO] [stderr]    Compiling cc v1.2.14
[INFO] [stderr]    Compiling serde v1.0.218
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[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking crc v3.2.1
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[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]    Compiling zip v2.2.2
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[INFO] [stderr]    Compiling anyhow v1.0.96
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[INFO] [stderr]    Compiling syn v2.0.98
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[INFO] [stderr]     Checking simd-adler32 v0.3.7
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[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking quick-xml v0.37.2
[INFO] [stderr]     Checking gethostname v0.5.0
[INFO] [stderr]     Checking webpki-roots v0.26.8
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking smtp-proto v0.1.5
[INFO] [stderr]     Checking aok v0.1.17
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[INFO] [stderr]     Checking inout v0.1.3
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[INFO] [stderr]    Compiling ring v0.17.9
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.12+1.0.8
[INFO] [stderr]     Checking hmac v0.12.1
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[INFO] [stderr]    Compiling synstructure v0.13.1
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]    Compiling hashify v0.2.6
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking mail-parser v0.10.2
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]     Checking genv v0.1.16
[INFO] [stderr]     Checking quick_cache v0.6.10
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking trt v0.1.29
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trt-0.1.29/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_metavar_expr)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trt` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bf1d4fdf453201c8badb3916fe7e7604d6b1d3d5ed15fc0ba0cea219866e22a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1d4fdf453201c8badb3916fe7e7604d6b1d3d5ed15fc0ba0cea219866e22a4", kill_on_drop: false }`
[INFO] [stdout] bf1d4fdf453201c8badb3916fe7e7604d6b1d3d5ed15fc0ba0cea219866e22a4