[INFO] fetching crate desktop2mqtt 0.3.0...
[INFO] checking desktop2mqtt-0.3.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate desktop2mqtt 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate desktop2mqtt 0.3.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desktop2mqtt 0.3.0
[INFO] finished tweaking crates.io crate desktop2mqtt 0.3.0
[INFO] tweaked toml for crates.io crate desktop2mqtt 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate desktop2mqtt 0.3.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded cstr v0.2.8
[INFO] [stderr]   Downloaded mqtt-async-client v0.3.1
[INFO] [stderr]   Downloaded bytesize v1.1.0
[INFO] [stderr]   Downloaded humantime-serde v1.0.1
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded time v0.3.14
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded winrt-notification v0.2.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded zbus v1.9.1
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded zvariant v2.6.0
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.4
[INFO] [stderr]   Downloaded serde_yaml v0.9.13
[INFO] [stderr]   Downloaded mqttrs v0.2.0
[INFO] [stderr]   Downloaded zbus_macros v1.9.1
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded zvariant_derive v2.6.0
[INFO] [stderr]   Downloaded user-idle v0.5.2
[INFO] [stderr]   Downloaded notify-rust v4.5.2
[INFO] [stderr]   Downloaded systemstat v0.2.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ebc24be818b8c208429505dad165b03e9a9e178f7bd8df81ad92327ddf10f5e
[INFO] running `Command { std: "docker" "start" "-a" "6ebc24be818b8c208429505dad165b03e9a9e178f7bd8df81ad92327ddf10f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ebc24be818b8c208429505dad165b03e9a9e178f7bd8df81ad92327ddf10f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebc24be818b8c208429505dad165b03e9a9e178f7bd8df81ad92327ddf10f5e", kill_on_drop: false }`
[INFO] [stdout] 6ebc24be818b8c208429505dad165b03e9a9e178f7bd8df81ad92327ddf10f5e
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57066f23bce27083b86a9e857a98440fa2240b8f8e0fdfe173b74284a6c2cd6b
[INFO] running `Command { std: "docker" "start" "-a" "57066f23bce27083b86a9e857a98440fa2240b8f8e0fdfe173b74284a6c2cd6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.44/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 x11 v2.18.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "57066f23bce27083b86a9e857a98440fa2240b8f8e0fdfe173b74284a6c2cd6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57066f23bce27083b86a9e857a98440fa2240b8f8e0fdfe173b74284a6c2cd6b", kill_on_drop: false }`
[INFO] [stdout] 57066f23bce27083b86a9e857a98440fa2240b8f8e0fdfe173b74284a6c2cd6b
[INFO] checking desktop2mqtt-0.3.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate desktop2mqtt 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate desktop2mqtt 0.3.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desktop2mqtt 0.3.0
[INFO] finished tweaking crates.io crate desktop2mqtt 0.3.0
[INFO] tweaked toml for crates.io crate desktop2mqtt 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate desktop2mqtt 0.3.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa408404b579365cd43e70dcc2d42bd3aac343773da1d8926d08a49cb7a13b3a
[INFO] running `Command { std: "docker" "start" "-a" "fa408404b579365cd43e70dcc2d42bd3aac343773da1d8926d08a49cb7a13b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa408404b579365cd43e70dcc2d42bd3aac343773da1d8926d08a49cb7a13b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa408404b579365cd43e70dcc2d42bd3aac343773da1d8926d08a49cb7a13b3a", kill_on_drop: false }`
[INFO] [stdout] fa408404b579365cd43e70dcc2d42bd3aac343773da1d8926d08a49cb7a13b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] d0d05d36f016f3cb39b2fd7b33532034ffe62d98c5b36b984fd8626de4aba530
[INFO] running `Command { std: "docker" "start" "-a" "d0d05d36f016f3cb39b2fd7b33532034ffe62d98c5b36b984fd8626de4aba530", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.44/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] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d0d05d36f016f3cb39b2fd7b33532034ffe62d98c5b36b984fd8626de4aba530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d05d36f016f3cb39b2fd7b33532034ffe62d98c5b36b984fd8626de4aba530", kill_on_drop: false }`
[INFO] [stdout] d0d05d36f016f3cb39b2fd7b33532034ffe62d98c5b36b984fd8626de4aba530
