[INFO] fetching crate vsmtp 2.2.1...
[INFO] testing vsmtp-2.2.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate vsmtp 2.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate vsmtp 2.2.1
[INFO] finished tweaking crates.io crate vsmtp 2.2.1
[INFO] tweaked toml for crates.io crate vsmtp 2.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vsmtp 2.2.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vsmtp 2.2.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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 const-random v0.1.15
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded vsmtp-rule-engine v2.2.1
[INFO] [stderr]   Downloaded vsmtp-delivery v2.2.1
[INFO] [stderr]   Downloaded vsmtp-server v2.2.1
[INFO] [stderr]   Downloaded pkcs8 v0.10.1
[INFO] [stderr]   Downloaded rhai-dylib v0.1.6
[INFO] [stderr]   Downloaded vsmtp-auth v2.2.1
[INFO] [stderr]   Downloaded trust-dns-resolver v0.22.0
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] [stderr]   Downloaded syn v2.0.10
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded p384 v0.13.0
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.11
[INFO] [stderr]   Downloaded widestring v0.5.1
[INFO] [stderr]   Downloaded quoted_printable v0.4.7
[INFO] [stderr]   Downloaded signature v2.0.0
[INFO] [stderr]   Downloaded neli v0.5.3
[INFO] [stderr]   Downloaded crypto-bigint v0.5.1
[INFO] [stderr]   Downloaded tracing-rfc-5424 v0.1.0
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded console-api v0.4.0
[INFO] [stderr]   Downloaded local-ip-address v0.4.9
[INFO] [stderr]   Downloaded clap_builder v4.2.0
[INFO] [stderr]   Downloaded tracing-appender v0.2.2
[INFO] [stderr]   Downloaded async-trait v0.1.68
[INFO] [stderr]   Downloaded vsmtp-common v2.2.1
[INFO] [stderr]   Downloaded const-random-macro v0.1.15
[INFO] [stderr]   Downloaded vsmtp-plugin-vsl v2.2.1
[INFO] [stderr]   Downloaded email-encoding v0.2.0
[INFO] [stderr]   Downloaded ed25519 v2.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded tracing-journald v0.3.0
[INFO] [stderr]   Downloaded primeorder v0.13.0
[INFO] [stderr]   Downloaded enum-as-inner v0.5.1
[INFO] [stderr]   Downloaded rhai_codegen v1.5.0
[INFO] [stderr]   Downloaded console-subscriber v0.1.8
[INFO] [stderr]   Downloaded axum v0.6.11
[INFO] [stderr]   Downloaded litrs v0.2.3
[INFO] [stderr]   Downloaded acid_io v0.1.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.7
[INFO] [stderr]   Downloaded hdrhistogram v7.5.2
[INFO] [stderr]   Downloaded unicode-bidi v0.3.12
[INFO] [stderr]   Downloaded der v0.7.1
[INFO] [stderr]   Downloaded ring-compat v0.7.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.22.0
[INFO] [stderr]   Downloaded email_address v0.2.4
[INFO] [stderr]   Downloaded elliptic-curve v0.13.2
[INFO] [stderr]   Downloaded rhai v1.13.0
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.2
[INFO] [stderr]   Downloaded rsasl v2.0.0
[INFO] [stderr]   Downloaded clap v4.2.0
[INFO] [stderr]   Downloaded vqueue v2.2.1
[INFO] [stderr]   Downloaded p256 v0.13.0
[INFO] [stderr]   Downloaded viaspf v0.5.2
[INFO] [stderr]   Downloaded vsmtp-mail-parser v2.2.1
[INFO] [stderr]   Downloaded lettre v0.10.3
[INFO] [stderr]   Downloaded rhai-autodocs v0.1.6
[INFO] [stderr]   Downloaded ipconfig v0.3.1
[INFO] [stderr]   Downloaded viaspf-record v0.4.1
[INFO] [stderr]   Downloaded vsmtp-protocol v2.2.1
[INFO] [stderr]   Downloaded vsmtp-config v2.2.1
[INFO] [stderr]   Downloaded iprange v0.6.7
[INFO] [stderr]   Downloaded addr v0.15.6
[INFO] [stderr]   Downloaded sec1 v0.7.1
[INFO] [stderr]   Downloaded spki v0.7.0
[INFO] [stderr]   Downloaded rsa v0.8.2
[INFO] [stderr]   Downloaded const-oid v0.9.2
[INFO] [stderr]   Downloaded ipnet v2.7.2
[INFO] [stderr]   Downloaded document-features v0.2.7
[INFO] [stderr]   Downloaded signal-hook v0.3.15
[INFO] [stderr]   Downloaded erased-serde v0.3.25
[INFO] [stderr]   Downloaded ecdsa v0.16.1
[INFO] [stderr]   Downloaded windows v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1896d42920eaf844b2c893b6f1b8bb8921ef7e24b60ce6f6d1d86f3f3ff4773
[INFO] running `Command { std: "docker" "start" "-a" "f1896d42920eaf844b2c893b6f1b8bb8921ef7e24b60ce6f6d1d86f3f3ff4773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1896d42920eaf844b2c893b6f1b8bb8921ef7e24b60ce6f6d1d86f3f3ff4773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1896d42920eaf844b2c893b6f1b8bb8921ef7e24b60ce6f6d1d86f3f3ff4773", kill_on_drop: false }`
[INFO] [stdout] f1896d42920eaf844b2c893b6f1b8bb8921ef7e24b60ce6f6d1d86f3f3ff4773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96cf6dfa4180591a9ff53337858a4f5089efb8c4b46f65ca3fdea62f1ba8648
[INFO] running `Command { std: "docker" "start" "-a" "c96cf6dfa4180591a9ff53337858a4f5089efb8c4b46f65ca3fdea62f1ba8648", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling zeroize v1.5.7
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling const-oid v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.12
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling der v0.7.1
[INFO] [stderr]    Compiling futures-io v0.3.27
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling ipnet v2.7.2
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c96cf6dfa4180591a9ff53337858a4f5089efb8c4b46f65ca3fdea62f1ba8648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96cf6dfa4180591a9ff53337858a4f5089efb8c4b46f65ca3fdea62f1ba8648", kill_on_drop: false }`
[INFO] [stdout] c96cf6dfa4180591a9ff53337858a4f5089efb8c4b46f65ca3fdea62f1ba8648