[INFO] fetching crate enterpolation 0.2.1...
[INFO] checking enterpolation-0.2.1 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate enterpolation 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate enterpolation 0.2.1 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enterpolation 0.2.1
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate enterpolation 0.2.1
[INFO] tweaked toml for crates.io crate enterpolation 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate enterpolation 0.2.1 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" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded topology-traits v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
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[INFO] [stderr]   Downloaded phf_shared v0.11.1
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[INFO] [stderr]   Downloaded once_cell v1.16.0
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[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded serde_json v1.0.88
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
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[INFO] [stderr]   Downloaded num-rational v0.4.1
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[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c41cc142b8e9e786204a5c467aa75aecd8c8889fcd9af64fb6234628834c078e
[INFO] running `Command { std: "docker" "start" "-a" "c41cc142b8e9e786204a5c467aa75aecd8c8889fcd9af64fb6234628834c078e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c41cc142b8e9e786204a5c467aa75aecd8c8889fcd9af64fb6234628834c078e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41cc142b8e9e786204a5c467aa75aecd8c8889fcd9af64fb6234628834c078e", kill_on_drop: false }`
[INFO] [stdout] c41cc142b8e9e786204a5c467aa75aecd8c8889fcd9af64fb6234628834c078e
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de392f5cd2cf414c32efbc38919c8ee715019913fca5d5bc8c48ee5312ca7c2
[INFO] running `Command { std: "docker" "start" "-a" "7de392f5cd2cf414c32efbc38919c8ee715019913fca5d5bc8c48ee5312ca7c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.13
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.12
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 anstyle v1.0.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]    Compiling palette v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking lebe v0.5.2
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7de392f5cd2cf414c32efbc38919c8ee715019913fca5d5bc8c48ee5312ca7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de392f5cd2cf414c32efbc38919c8ee715019913fca5d5bc8c48ee5312ca7c2", kill_on_drop: false }`
[INFO] [stdout] 7de392f5cd2cf414c32efbc38919c8ee715019913fca5d5bc8c48ee5312ca7c2