[INFO] fetching crate aef 0.4.2...
[INFO] checking aef-0.4.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate aef 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate aef 0.4.2 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aef 0.4.2
[INFO] finished tweaking crates.io crate aef 0.4.2
[INFO] tweaked toml for crates.io crate aef 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate aef 0.4.2 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded sha2 v0.10.2
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded block-buffer v0.10.2
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded rustix v0.37.6
[INFO] [stderr]   Downloaded unic-ucd-case v0.9.0
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded brotli v3.3.4
[INFO] [stderr]   Downloaded unic-ucd-common v0.9.0
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[INFO] [stderr]   Downloaded unic-ucd-normal v0.9.0
[INFO] [stderr]   Downloaded synstructure v0.12.6
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[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
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[INFO] [stderr]   Downloaded unic-normal v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-block v0.9.0
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.2
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[INFO] [stderr]   Downloaded hermit-abi v0.3.1
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[INFO] [stderr]   Downloaded heck v0.4.0
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[INFO] [stderr]   Downloaded getrandom v0.2.3
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[INFO] [stderr]   Downloaded subtle v2.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
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[INFO] [stderr]   Downloaded anstyle v0.3.5
[INFO] [stderr]   Downloaded salsa20 v0.10.2
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] [stderr]   Downloaded concolor-override v1.0.0
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[INFO] [stderr]   Downloaded cipher v0.4.3
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[INFO] [stderr]   Downloaded dialoguer v0.10.3
[INFO] [stderr]   Downloaded console v0.15.2
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
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[INFO] [stderr]   Downloaded bumpalo v3.11.1
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[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59c3a7d59fad8226752053ca0eb7dcaa44a3227f4557b3ea3551be5ad8310fd9
[INFO] running `Command { std: "docker" "start" "-a" "59c3a7d59fad8226752053ca0eb7dcaa44a3227f4557b3ea3551be5ad8310fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c3a7d59fad8226752053ca0eb7dcaa44a3227f4557b3ea3551be5ad8310fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c3a7d59fad8226752053ca0eb7dcaa44a3227f4557b3ea3551be5ad8310fd9", kill_on_drop: false }`
[INFO] [stdout] 59c3a7d59fad8226752053ca0eb7dcaa44a3227f4557b3ea3551be5ad8310fd9
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2cf7bfdfc79abadcf7abac11967627006e07c054a7134c4a3033a489875677a
[INFO] running `Command { std: "docker" "start" "-a" "c2cf7bfdfc79abadcf7abac11967627006e07c054a7134c4a3033a489875677a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.55/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 unicode-xid v0.2.4
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking anstyle-parse v0.1.1
[INFO] [stderr]     Checking concolor-override v1.0.0
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]     Checking once_cell v1.13.0
[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 unic-ucd-normal v0.9.0
[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" "c2cf7bfdfc79abadcf7abac11967627006e07c054a7134c4a3033a489875677a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2cf7bfdfc79abadcf7abac11967627006e07c054a7134c4a3033a489875677a", kill_on_drop: false }`
[INFO] [stdout] c2cf7bfdfc79abadcf7abac11967627006e07c054a7134c4a3033a489875677a
