[INFO] fetching crate mds 0.18.6...
[INFO] checking mds-0.18.6 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mds 0.18.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mds 0.18.6 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 mds 0.18.6
[INFO] finished tweaking crates.io crate mds 0.18.6
[INFO] tweaked toml for crates.io crate mds 0.18.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mds 0.18.6 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuikit v0.5.0
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded onig v6.4.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.12
[INFO] [stderr]   Downloaded fancy-regex v0.7.1
[INFO] [stderr]   Downloaded plist v1.4.3
[INFO] [stderr]   Downloaded polling v2.7.0
[INFO] [stderr]   Downloaded onig_sys v69.8.1
[INFO] [stderr]   Downloaded comrak v0.18.0
[INFO] [stderr]   Downloaded syntect v5.0.0
[INFO] [stderr]   Downloaded comfy-table v6.1.4
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded os_pipe v1.1.3
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded inquire v0.5.3
[INFO] [stderr]   Downloaded kdl v4.6.0
[INFO] [stderr]   Downloaded miette-derive v5.9.0
[INFO] [stderr]   Downloaded supports-color v2.0.0
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded miette v5.9.0
[INFO] [stderr]   Downloaded defer-drop v1.3.0
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded vte v0.11.0
[INFO] [stderr]   Downloaded env-substitute v0.1.0
[INFO] [stderr]   Downloaded skim v0.10.4
[INFO] [stderr]   Downloaded sql-builder v3.1.1
[INFO] [stderr]   Downloaded hashlink v0.8.1
[INFO] [stderr]   Downloaded bidir_termtree v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] adffdc45490a08b4f898f8673ea627ba16203c1bf94978cd379d422cc2164d1e
[INFO] running `Command { std: "docker" "start" "-a" "adffdc45490a08b4f898f8673ea627ba16203c1bf94978cd379d422cc2164d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adffdc45490a08b4f898f8673ea627ba16203c1bf94978cd379d422cc2164d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adffdc45490a08b4f898f8673ea627ba16203c1bf94978cd379d422cc2164d1e", kill_on_drop: false }`
[INFO] [stdout] adffdc45490a08b4f898f8673ea627ba16203c1bf94978cd379d422cc2164d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2b850096b4314ab6b1b7321a5805382f8d79c881f9bea2b3d61bbeb32160dcd4
[INFO] running `Command { std: "docker" "start" "-a" "2b850096b4314ab6b1b7321a5805382f8d79c881f9bea2b3d61bbeb32160dcd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 parking_lot_core v0.9.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking futures-io v0.3.28
[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 parking_lot_core v0.8.6
[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" "2b850096b4314ab6b1b7321a5805382f8d79c881f9bea2b3d61bbeb32160dcd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b850096b4314ab6b1b7321a5805382f8d79c881f9bea2b3d61bbeb32160dcd4", kill_on_drop: false }`
[INFO] [stdout] 2b850096b4314ab6b1b7321a5805382f8d79c881f9bea2b3d61bbeb32160dcd4
