[INFO] fetching crate morf-mqtt-bridge 0.1.0...
[INFO] testing morf-mqtt-bridge-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate morf-mqtt-bridge 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate morf-mqtt-bridge 0.1.0
[INFO] finished tweaking crates.io crate morf-mqtt-bridge 0.1.0
[INFO] tweaked toml for crates.io crate morf-mqtt-bridge 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate morf-mqtt-bridge 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate morf-mqtt-bridge 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.21
[INFO] [stderr]   Downloaded monoio-io-wrapper v0.1.1
[INFO] [stderr]   Downloaded auto-const-array v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.195
[INFO] [stderr]   Downloaded async-channel v2.1.1
[INFO] [stderr]   Downloaded critical-section v1.1.2
[INFO] [stderr]   Downloaded monoio-macros v0.1.0
[INFO] [stderr]   Downloaded anstream v0.6.11
[INFO] [stderr]   Downloaded io-uring v0.6.2
[INFO] [stderr]   Downloaded ahash v0.8.7
[INFO] [stderr]   Downloaded serde_yaml v0.9.30
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.111
[INFO] [stderr]   Downloaded monoio v0.2.1
[INFO] [stderr]   Downloaded blake3 v1.5.0
[INFO] [stderr]   Downloaded rusqlite v0.30.0
[INFO] [stderr]   Downloaded serde v1.0.195
[INFO] [stderr]   Downloaded webpki-roots v0.26.0
[INFO] [stderr]   Downloaded morf v0.2.0
[INFO] [stderr]   Downloaded mqttrs v0.4.1
[INFO] [stderr]   Downloaded curve25519-dalek v4.1.1
[INFO] [stderr]   Downloaded rusqlite_migration v1.1.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.4
[INFO] [stderr]   Downloaded monoio-rustls v0.3.0
[INFO] [stderr]   Downloaded constant_time_eq v0.3.0
[INFO] [stderr]   Downloaded pkg-config v0.3.29
[INFO] [stderr]   Downloaded rustls-pki-types v1.1.0
[INFO] [stderr]   Downloaded fiat-crypto v0.2.5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15596e1f1174fe3759cc36a031df08df8a3735d0b988bf1902a63bd76f7da59
[INFO] running `Command { std: "docker" "start" "-a" "a15596e1f1174fe3759cc36a031df08df8a3735d0b988bf1902a63bd76f7da59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15596e1f1174fe3759cc36a031df08df8a3735d0b988bf1902a63bd76f7da59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15596e1f1174fe3759cc36a031df08df8a3735d0b988bf1902a63bd76f7da59", kill_on_drop: false }`
[INFO] [stdout] a15596e1f1174fe3759cc36a031df08df8a3735d0b988bf1902a63bd76f7da59
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c943ab453018be5972ba96f8dc56e135f3bcfb263f9c3873f08b93b03c53388
[INFO] running `Command { std: "docker" "start" "-a" "3c943ab453018be5972ba96f8dc56e135f3bcfb263f9c3873f08b93b03c53388", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling io-uring v0.6.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling platforms v3.3.0
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling curve25519-dalek v4.1.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling rusqlite_migration v1.1.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling clap_builder v4.4.18
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling async-channel v2.1.1
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling rusqlite v0.30.0
[INFO] [stderr]    Compiling futures-lite v2.2.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling rustls-pki-types v1.1.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling webpki-roots v0.26.0
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling x25519-dalek v2.0.0
[INFO] [stderr]    Compiling morf v0.2.0
[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/morf-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monoio v0.2.1
[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/monoio-0.2.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(io_error_more)]
[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/monoio-0.2.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(lazy_cell)]
[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/monoio-0.2.1/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(stmt_expr_attributes)]
[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/monoio-0.2.1/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(thread_local)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr] error: could not compile `morf` (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 `monoio` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "3c943ab453018be5972ba96f8dc56e135f3bcfb263f9c3873f08b93b03c53388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c943ab453018be5972ba96f8dc56e135f3bcfb263f9c3873f08b93b03c53388", kill_on_drop: false }`
[INFO] [stdout] 3c943ab453018be5972ba96f8dc56e135f3bcfb263f9c3873f08b93b03c53388
