[INFO] fetching crate masonry 0.1.2...
[INFO] checking masonry-0.1.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate masonry 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate masonry 0.1.2 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 masonry 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate masonry 0.1.2
[INFO] tweaked toml for crates.io crate masonry 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate masonry 0.1.2 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 ttf-parser v0.12.3
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded unic-langid v0.9.0
[INFO] [stderr]   Downloaded open v1.7.1
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded unicode-script v0.5.5
[INFO] [stderr]   Downloaded zbus_names v2.2.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded async-io v1.9.0
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] [stderr]   Downloaded cfg-expr v0.11.0
[INFO] [stderr]   Downloaded zvariant v3.7.1
[INFO] [stderr]   Downloaded glib v0.16.7
[INFO] [stderr]   Downloaded druid-shell v0.8.0
[INFO] [stderr]   Downloaded insta v1.18.2
[INFO] [stderr]   Downloaded exr v1.5.1
[INFO] [stderr]   Downloaded ashpd v0.3.2
[INFO] [stderr]   Downloaded pest v2.3.1
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded glib-macros v0.16.3
[INFO] [stderr]   Downloaded kurbo v0.9.0
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[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded async-trait v0.1.57
[INFO] [stderr]   Downloaded serde_repr v0.1.9
[INFO] [stderr]   Downloaded system-deps v6.0.3
[INFO] [stderr]   Downloaded tinystr v0.3.4
[INFO] [stderr]   Downloaded polling v2.3.0
[INFO] [stderr]   Downloaded zvariant_derive v3.7.1
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.1
[INFO] [stderr]   Downloaded console v0.15.2
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[INFO] [stderr]   Downloaded gtk3-macros v0.16.0
[INFO] [stderr]   Downloaded self_cell v0.10.2
[INFO] [stderr]   Downloaded fontdb v0.5.4
[INFO] [stderr]   Downloaded rctree v0.3.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a2b948f288f5a13ab70a821ac0b6ed43bc58f5209056a957ca5aad96aa919b
[INFO] running `Command { std: "docker" "start" "-a" "e6a2b948f288f5a13ab70a821ac0b6ed43bc58f5209056a957ca5aad96aa919b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a2b948f288f5a13ab70a821ac0b6ed43bc58f5209056a957ca5aad96aa919b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a2b948f288f5a13ab70a821ac0b6ed43bc58f5209056a957ca5aad96aa919b", kill_on_drop: false }`
[INFO] [stdout] e6a2b948f288f5a13ab70a821ac0b6ed43bc58f5209056a957ca5aad96aa919b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7192c8e225740bfcb72973594e3447a94498e586c824b422f7c94fb13cbd324e
[INFO] running `Command { std: "docker" "start" "-a" "7192c8e225740bfcb72973594e3447a94498e586c824b422f7c94fb13cbd324e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling slab v0.4.7
[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 futures-task v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[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" "7192c8e225740bfcb72973594e3447a94498e586c824b422f7c94fb13cbd324e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7192c8e225740bfcb72973594e3447a94498e586c824b422f7c94fb13cbd324e", kill_on_drop: false }`
[INFO] [stdout] 7192c8e225740bfcb72973594e3447a94498e586c824b422f7c94fb13cbd324e
