[INFO] fetching crate cmark2tex 0.4.0-beta.1...
[INFO] checking cmark2tex-0.4.0-beta.1 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate cmark2tex 0.4.0-beta.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cmark2tex 0.4.0-beta.1 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmark2tex 0.4.0-beta.1
[INFO] finished tweaking crates.io crate cmark2tex 0.4.0-beta.1
[INFO] tweaked toml for crates.io crate cmark2tex 0.4.0-beta.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate cmark2tex 0.4.0-beta.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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1732e59297d164646f7ebde9dc4782300a63fe6f7ac6e34e8893050a517f355
[INFO] running `Command { std: "docker" "start" "-a" "f1732e59297d164646f7ebde9dc4782300a63fe6f7ac6e34e8893050a517f355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1732e59297d164646f7ebde9dc4782300a63fe6f7ac6e34e8893050a517f355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1732e59297d164646f7ebde9dc4782300a63fe6f7ac6e34e8893050a517f355", kill_on_drop: false }`
[INFO] [stdout] f1732e59297d164646f7ebde9dc4782300a63fe6f7ac6e34e8893050a517f355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 596b53228d1810f335beea636143fd9ab7e9ada1984bcd754a17708b161e207f
[INFO] running `Command { std: "docker" "start" "-a" "596b53228d1810f335beea636143fd9ab7e9ada1984bcd754a17708b161e207f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling rustix v0.36.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking roxmltree v0.15.1
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[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]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking kurbo v0.8.3
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking svgtypes v0.8.2
[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" "596b53228d1810f335beea636143fd9ab7e9ada1984bcd754a17708b161e207f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596b53228d1810f335beea636143fd9ab7e9ada1984bcd754a17708b161e207f", kill_on_drop: false }`
[INFO] [stdout] 596b53228d1810f335beea636143fd9ab7e9ada1984bcd754a17708b161e207f
