[INFO] fetching crate md2pdf 0.0.3...
[INFO] checking md2pdf-0.0.3 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate md2pdf 0.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate md2pdf 0.0.3 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md2pdf 0.0.3
[INFO] finished tweaking crates.io crate md2pdf 0.0.3
[INFO] tweaked toml for crates.io crate md2pdf 0.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate md2pdf 0.0.3 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded watchexec v1.17.1
[INFO] [stderr]   Downloaded open v1.7.1
[INFO] [stderr]   Downloaded tectonic_docmodel v0.1.2
[INFO] [stderr]   Downloaded xdg v2.4.1
[INFO] [stderr]   Downloaded app_dirs2 v2.5.4
[INFO] [stderr]   Downloaded byte-unit v4.0.14
[INFO] [stderr]   Downloaded command-group v1.0.8
[INFO] [stderr]   Downloaded clap v4.0.8
[INFO] [stderr]   Downloaded tectonic_pdf_io v0.2.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.5.3
[INFO] [stderr]   Downloaded pinot v0.1.5
[INFO] [stderr]   Downloaded tectonic_bridge_harfbuzz v0.2.5
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded tectonic_engine_spx2html v0.1.1
[INFO] [stderr]   Downloaded tectonic_io_base v0.4.0
[INFO] [stderr]   Downloaded tectonic_bridge_core v0.3.0
[INFO] [stderr]   Downloaded tectonic_dep_support v0.1.0
[INFO] [stderr]   Downloaded clearscreen v1.0.10
[INFO] [stderr]   Downloaded tectonic_errors v0.2.0
[INFO] [stderr]   Downloaded tectonic_status_base v0.2.0
[INFO] [stderr]   Downloaded tectonic_bridge_icu v0.2.0
[INFO] [stderr]   Downloaded tectonic_cfg_support v0.1.4
[INFO] [stderr]   Downloaded tectonic_xetex_layout v0.2.0
[INFO] [stderr]   Downloaded tectonic_engine_xdvipdfmx v0.2.0
[INFO] [stderr]   Downloaded tectonic_engine_bibtex v0.1.3
[INFO] [stderr]   Downloaded tectonic_bundles v0.3.0
[INFO] [stderr]   Downloaded tectonic_geturl v0.3.1
[INFO] [stderr]   Downloaded tectonic_xdv v0.2.0
[INFO] [stderr]   Downloaded tectonic_engine_xetex v0.3.0
[INFO] [stderr]   Downloaded tectonic_bridge_flate v0.1.5
[INFO] [stderr]   Downloaded tectonic_bridge_freetype2 v0.2.0
[INFO] [stderr]   Downloaded tectonic_bridge_graphite2 v0.2.1
[INFO] [stderr]   Downloaded tectonic v0.9.0
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10701094e484a098b64ef2ae0be0d3c245481b124c6d2a919f123fb15555fffd
[INFO] running `Command { std: "docker" "start" "-a" "10701094e484a098b64ef2ae0be0d3c245481b124c6d2a919f123fb15555fffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10701094e484a098b64ef2ae0be0d3c245481b124c6d2a919f123fb15555fffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10701094e484a098b64ef2ae0be0d3c245481b124c6d2a919f123fb15555fffd", kill_on_drop: false }`
[INFO] [stdout] 10701094e484a098b64ef2ae0be0d3c245481b124c6d2a919f123fb15555fffd
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebc5baf4a66bd824fa95bf2a7b9755686448f094c352bacad47379074f1116e
[INFO] running `Command { std: "docker" "start" "-a" "4ebc5baf4a66bd824fa95bf2a7b9755686448f094c352bacad47379074f1116e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling tectonic_bridge_core v0.3.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tectonic_cfg_support v0.1.4
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 tokio v1.21.2
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling tectonic_bridge_graphite2 v0.2.1
[INFO] [stderr]     Checking tectonic_errors v0.2.0
[INFO] [stderr]    Compiling tectonic_bridge_icu v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tectonic_status_base v0.2.0
[INFO] [stderr]    Compiling tectonic_bridge_flate v0.1.5
[INFO] [stderr]     Checking tracing-core v0.1.29
[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]    Compiling indexmap v1.9.1
[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" "4ebc5baf4a66bd824fa95bf2a7b9755686448f094c352bacad47379074f1116e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebc5baf4a66bd824fa95bf2a7b9755686448f094c352bacad47379074f1116e", kill_on_drop: false }`
[INFO] [stdout] 4ebc5baf4a66bd824fa95bf2a7b9755686448f094c352bacad47379074f1116e
[INFO] checking md2pdf-0.0.3 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate md2pdf 0.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate md2pdf 0.0.3 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md2pdf 0.0.3
[INFO] finished tweaking crates.io crate md2pdf 0.0.3
[INFO] tweaked toml for crates.io crate md2pdf 0.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate md2pdf 0.0.3 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cf48786274c279ba2d718914cb1d65e69087b9addb8f8699be680cf7c4dd313
[INFO] running `Command { std: "docker" "start" "-a" "1cf48786274c279ba2d718914cb1d65e69087b9addb8f8699be680cf7c4dd313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf48786274c279ba2d718914cb1d65e69087b9addb8f8699be680cf7c4dd313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf48786274c279ba2d718914cb1d65e69087b9addb8f8699be680cf7c4dd313", kill_on_drop: false }`
[INFO] [stdout] 1cf48786274c279ba2d718914cb1d65e69087b9addb8f8699be680cf7c4dd313
[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" "-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55b7c22e4bad9bb6dbf9aacf8a8971e0721bd105805319357f8be2a49d4edf6
[INFO] running `Command { std: "docker" "start" "-a" "f55b7c22e4bad9bb6dbf9aacf8a8971e0721bd105805319357f8be2a49d4edf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling tectonic_bridge_core v0.3.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tectonic_cfg_support v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 flate2 v1.0.24
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling tectonic_bridge_graphite2 v0.2.1
[INFO] [stderr]    Compiling tectonic_bridge_icu v0.2.0
[INFO] [stderr]    Compiling tectonic_bridge_flate v0.1.5
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[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]     Checking tracing-core v0.1.29
[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" "f55b7c22e4bad9bb6dbf9aacf8a8971e0721bd105805319357f8be2a49d4edf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55b7c22e4bad9bb6dbf9aacf8a8971e0721bd105805319357f8be2a49d4edf6", kill_on_drop: false }`
[INFO] [stdout] f55b7c22e4bad9bb6dbf9aacf8a8971e0721bd105805319357f8be2a49d4edf6
