[INFO] fetching crate syndicate-server 0.51.0-rc.1... [INFO] testing syndicate-server-0.51.0-rc.1 against 1.91.0 for beta-1.92-2 [INFO] extracting crate syndicate-server 0.51.0-rc.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate syndicate-server 0.51.0-rc.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate syndicate-server 0.51.0-rc.1 [INFO] tweaked toml for crates.io crate syndicate-server 0.51.0-rc.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate syndicate-server 0.51.0-rc.1 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate syndicate-server 0.51.0-rc.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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-serde v0.1.3 [INFO] [stderr] Downloaded matchers v0.0.1 [INFO] [stderr] Downloaded tracing-log v0.1.4 [INFO] [stderr] Downloaded tikv-jemallocator v0.5.4 [INFO] [stderr] Downloaded syndicate-macros v0.35.0-rc.0 [INFO] [stderr] Downloaded syndicate-schema-plugin v0.12.0-rc.1 [INFO] [stderr] Downloaded cipher v0.3.0 [INFO] [stderr] Downloaded hyper-tungstenite v0.11.1 [INFO] [stderr] Downloaded polyval v0.5.3 [INFO] [stderr] Downloaded preserves-schema v6.0.0-rc.5 [INFO] [stderr] Downloaded chacha20 v0.8.2 [INFO] [stderr] Downloaded preserves v5.0.0-rc.5 [INFO] [stderr] Downloaded chacha20poly1305 v0.9.1 [INFO] [stderr] Downloaded aes v0.7.5 [INFO] [stderr] Downloaded aes-gcm v0.9.4 [INFO] [stderr] Downloaded syndicate v0.44.0-rc.2 [INFO] [stderr] Downloaded x25519-dalek v1.2.0 [INFO] [stderr] Downloaded poly1305 v0.7.2 [INFO] [stderr] Downloaded zeroize v1.3.0 [INFO] [stderr] Downloaded ghash v0.4.4 [INFO] [stderr] Downloaded aead v0.4.3 [INFO] [stderr] Downloaded ctr v0.8.0 [INFO] [stderr] Downloaded universal-hash v0.4.1 [INFO] [stderr] Downloaded noise-protocol v0.1.4 [INFO] [stderr] Downloaded curve25519-dalek v3.2.1 [INFO] [stderr] Downloaded tikv-jemalloc-sys v0.5.4+5.3.0-patched [INFO] [stderr] Downloaded noise-rust-crypto v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c28dc9aba9f26d823df10304494b0cdc0067b2332c745db356b00ecf0ec974aa [INFO] running `Command { std: "docker" "start" "-a" "c28dc9aba9f26d823df10304494b0cdc0067b2332c745db356b00ecf0ec974aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c28dc9aba9f26d823df10304494b0cdc0067b2332c745db356b00ecf0ec974aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c28dc9aba9f26d823df10304494b0cdc0067b2332c745db356b00ecf0ec974aa", kill_on_drop: false }` [INFO] [stdout] c28dc9aba9f26d823df10304494b0cdc0067b2332c745db356b00ecf0ec974aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bea56fba511cb26bfa4003bd4f1506e8bada969e0b1d38b126de277f49d76d66 [INFO] running `Command { std: "docker" "start" "-a" "bea56fba511cb26bfa4003bd4f1506e8bada969e0b1d38b126de277f49d76d66", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling subtle v2.4.1 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling log v0.4.26 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling once_cell v1.21.1 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling bytemuck v1.22.0 [INFO] [stderr] Compiling glob v0.3.2 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling litemap v0.7.5 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling iana-time-zone v0.1.61 [INFO] [stderr] Compiling zerocopy v0.8.23 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling tracing-log v0.1.4 [INFO] [stderr] Compiling opaque-debug v0.3.1 [INFO] [stderr] Compiling universal-hash v0.4.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling cipher v0.3.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling socket2 v0.5.8 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling chrono v0.4.40 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling hmac v0.12.1 [INFO] [stderr] Compiling blake2 v0.10.6 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling polyval v0.5.3 [INFO] [stderr] Compiling sha1 v0.10.6 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling aead v0.4.3 [INFO] [stderr] Compiling data-encoding v2.8.0 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling ghash v0.4.4 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling aes v0.7.5 [INFO] [stderr] Compiling ctr v0.8.0 [INFO] [stderr] Compiling poly1305 v0.7.2 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling aes-gcm v0.9.4 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling filetime v0.2.25 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling noise-protocol v0.1.4 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling notify v4.0.18 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling tracing-serde v0.1.3 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling preserves v5.0.0-rc.5 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling zeroize v1.3.0 [INFO] [stderr] Compiling tokio v1.44.1 [INFO] [stderr] Compiling curve25519-dalek v3.2.1 [INFO] [stderr] Compiling chacha20 v0.8.2 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling preserves-schema v6.0.0-rc.5 [INFO] [stderr] Compiling chacha20poly1305 v0.9.1 [INFO] [stderr] Compiling pin-project v1.1.10 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.7.5 [INFO] [stderr] Compiling x25519-dalek v1.2.0 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling noise-rust-crypto v0.5.0 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling icu_provider v1.5.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling icu_locid_transform v1.5.0 [INFO] [stderr] Compiling tokio-util v0.6.10 [INFO] [stderr] Compiling syndicate-schema-plugin v0.12.0-rc.1 [INFO] [stderr] Compiling icu_properties v1.5.1 [INFO] [stderr] Compiling hyper v0.14.32 [INFO] [stderr] Compiling tokio-stream v0.1.17 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling tungstenite v0.20.1 [INFO] [stderr] Compiling tokio-tungstenite v0.20.1 [INFO] [stderr] Compiling hyper-tungstenite v0.11.1 [INFO] [stderr] Compiling syndicate v0.44.0-rc.2 [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/syndicate-0.44.0-rc.2/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(min_specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/syndicate-0.44.0-rc.2/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(min_specialization)] [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 `syndicate` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `syndicate` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "bea56fba511cb26bfa4003bd4f1506e8bada969e0b1d38b126de277f49d76d66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bea56fba511cb26bfa4003bd4f1506e8bada969e0b1d38b126de277f49d76d66", kill_on_drop: false }` [INFO] [stdout] bea56fba511cb26bfa4003bd4f1506e8bada969e0b1d38b126de277f49d76d66