[INFO] fetching crate ruled-labels 0.4.0...
[INFO] checking ruled-labels-0.4.0 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate ruled-labels 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ruled-labels 0.4.0 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruled-labels 0.4.0
[INFO] finished tweaking crates.io crate ruled-labels 0.4.0
[INFO] tweaked toml for crates.io crate ruled-labels 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ruled-labels 0.4.0 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "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 cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded jsonwebtoken v7.2.0
[INFO] [stderr]   Downloaded is-terminal v0.4.1
[INFO] [stderr]   Downloaded pem v0.8.3
[INFO] [stderr]   Downloaded termion v2.0.1
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.4
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded hubcaps v0.6.2
[INFO] [stderr]   Downloaded rustix v0.36.4
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded bstr v1.0.1
[INFO] [stderr]   Downloaded clap v4.0.29
[INFO] [stderr]   Downloaded hyperx v1.4.0
[INFO] [stderr]   Downloaded cxx v1.0.83
[INFO] [stderr]   Downloaded serde_yaml v0.9.14
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded predicates v2.1.4
[INFO] [stderr]   Downloaded assert_cmd v2.0.7
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded url v2.3.0
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f5a030c11749f1ff6f85c6cbfbdc491d7fce1f85447f0e9015ab8154bddab7
[INFO] running `Command { std: "docker" "start" "-a" "f3f5a030c11749f1ff6f85c6cbfbdc491d7fce1f85447f0e9015ab8154bddab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f5a030c11749f1ff6f85c6cbfbdc491d7fce1f85447f0e9015ab8154bddab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f5a030c11749f1ff6f85c6cbfbdc491d7fce1f85447f0e9015ab8154bddab7", kill_on_drop: false }`
[INFO] [stdout] f3f5a030c11749f1ff6f85c6cbfbdc491d7fce1f85447f0e9015ab8154bddab7
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f142f1ffa0ae58ecb547d550f72ba368fe7086d9704bb3613a4d60c3a6de726
[INFO] running `Command { std: "docker" "start" "-a" "3f142f1ffa0ae58ecb547d550f72ba368fe7086d9704bb3613a4d60c3a6de726", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling openssl v0.10.43
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rustix v0.36.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 encoding_rs v0.8.31
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling hyperx v1.4.0
[INFO] [stderr]     Checking mime_guess v2.0.4
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error: aborting due to 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" "3f142f1ffa0ae58ecb547d550f72ba368fe7086d9704bb3613a4d60c3a6de726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f142f1ffa0ae58ecb547d550f72ba368fe7086d9704bb3613a4d60c3a6de726", kill_on_drop: false }`
[INFO] [stdout] 3f142f1ffa0ae58ecb547d550f72ba368fe7086d9704bb3613a4d60c3a6de726