[INFO] fetching crate osc-cost 0.5.3...
[INFO] checking osc-cost-0.5.3 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate osc-cost 0.5.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate osc-cost 0.5.3 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate osc-cost 0.5.3
[INFO] finished tweaking crates.io crate osc-cost 0.5.3
[INFO] tweaked toml for crates.io crate osc-cost 0.5.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate osc-cost 0.5.3 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_decimal_macros v1.28.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.12
[INFO] [stderr]   Downloaded angle v0.5.0
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.9
[INFO] [stderr]   Downloaded rend v0.3.6
[INFO] [stderr]   Downloaded rkyv_derive v0.7.39
[INFO] [stderr]   Downloaded bytecheck v0.6.9
[INFO] [stderr]   Downloaded rust_decimal v1.28.0
[INFO] [stderr]   Downloaded crc32c v0.6.3
[INFO] [stderr]   Downloaded hyper-rustls v0.17.1
[INFO] [stderr]   Downloaded tokio-rustls v0.10.3
[INFO] [stderr]   Downloaded aws-smithy-query v0.53.1
[INFO] [stderr]   Downloaded aws-sdk-sso v0.23.0
[INFO] [stderr]   Downloaded rkyv v0.7.39
[INFO] [stderr]   Downloaded aws-sdk-sts v0.23.0
[INFO] [stderr]   Downloaded aws-config v0.53.0
[INFO] [stderr]   Downloaded spreadsheet-ods v0.15.0
[INFO] [stderr]   Downloaded prometheus v0.13.3
[INFO] [stderr]   Downloaded security-framework v2.8.0
[INFO] [stderr]   Downloaded comfy-table v6.1.4
[INFO] [stderr]   Downloaded aws-http v0.53.0
[INFO] [stderr]   Downloaded aws-sigv4 v0.53.0
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[INFO] [stderr]   Downloaded object v0.30.2
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[INFO] [stderr]   Downloaded aws-smithy-types v0.53.1
[INFO] [stderr]   Downloaded aws-smithy-types v0.33.1
[INFO] [stderr]   Downloaded aws-smithy-http v0.33.1
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[INFO] [stderr]   Downloaded color-rs v0.7.1
[INFO] [stderr]   Downloaded displaydoc v0.2.3
[INFO] [stderr]   Downloaded icu_locid v1.0.0
[INFO] [stderr]   Downloaded aws-endpoint v0.53.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.53.0
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[INFO] [stderr]   Downloaded tinystr v0.7.0
[INFO] [stderr]   Downloaded writeable v0.5.0
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[INFO] [stderr]   Downloaded nom_locate v4.1.0
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[INFO] [stderr]   Downloaded aws-sdk-s3 v0.23.0
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[INFO] [stderr]   Downloaded aws-types v0.53.0
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[INFO] [stderr]   Downloaded home v0.5.4
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36d173c0978624bd4d9fce0ab1bcf3166ac2dfd5222df7d041e44652d774b9d6
[INFO] running `Command { std: "docker" "start" "-a" "36d173c0978624bd4d9fce0ab1bcf3166ac2dfd5222df7d041e44652d774b9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d173c0978624bd4d9fce0ab1bcf3166ac2dfd5222df7d041e44652d774b9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d173c0978624bd4d9fce0ab1bcf3166ac2dfd5222df7d041e44652d774b9d6", kill_on_drop: false }`
[INFO] [stdout] 36d173c0978624bd4d9fce0ab1bcf3166ac2dfd5222df7d041e44652d774b9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 373d0ef8e1e367e14ef713b437ca74fa68581dd5afa1895bd1731502b64ab2c2
[INFO] running `Command { std: "docker" "start" "-a" "373d0ef8e1e367e14ef713b437ca74fa68581dd5afa1895bd1731502b64ab2c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 num-traits v0.2.15
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[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" "373d0ef8e1e367e14ef713b437ca74fa68581dd5afa1895bd1731502b64ab2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373d0ef8e1e367e14ef713b437ca74fa68581dd5afa1895bd1731502b64ab2c2", kill_on_drop: false }`
[INFO] [stdout] 373d0ef8e1e367e14ef713b437ca74fa68581dd5afa1895bd1731502b64ab2c2
