[INFO] fetching crate nixmodule 0.4.2...
[INFO] testing nixmodule-0.4.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate nixmodule 0.4.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nixmodule 0.4.2
[INFO] finished tweaking crates.io crate nixmodule 0.4.2
[INFO] tweaked toml for crates.io crate nixmodule 0.4.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nixmodule 0.4.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nixmodule 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
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[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded serde_derive v1.0.152
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[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded http-body v0.4.5
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded futures-core v0.3.26
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[INFO] [stderr]   Downloaded termcolor v1.2.0
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded colored v2.0.0
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[INFO] [stderr]   Downloaded clap_derive v3.2.18
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[INFO] [stderr]   Downloaded url v2.3.1
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[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
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[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
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[INFO] [stderr]   Downloaded futures-sink v0.3.26
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
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[INFO] [stderr]   Downloaded bytes v1.4.0
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e621cccfd311e0c920b669a839b97f70ef7e2b06666b0f4c1c43ded4a4efaf5
[INFO] running `Command { std: "docker" "start" "-a" "0e621cccfd311e0c920b669a839b97f70ef7e2b06666b0f4c1c43ded4a4efaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e621cccfd311e0c920b669a839b97f70ef7e2b06666b0f4c1c43ded4a4efaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e621cccfd311e0c920b669a839b97f70ef7e2b06666b0f4c1c43ded4a4efaf5", kill_on_drop: false }`
[INFO] [stdout] 0e621cccfd311e0c920b669a839b97f70ef7e2b06666b0f4c1c43ded4a4efaf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37216bda38b67919477fc4b2a54aefbf9d36e6d1f8f30e1e17f6bbad1f2859fb
[INFO] running `Command { std: "docker" "start" "-a" "37216bda38b67919477fc4b2a54aefbf9d36e6d1f8f30e1e17f6bbad1f2859fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 http v0.2.9
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing v0.1.37
[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" "37216bda38b67919477fc4b2a54aefbf9d36e6d1f8f30e1e17f6bbad1f2859fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37216bda38b67919477fc4b2a54aefbf9d36e6d1f8f30e1e17f6bbad1f2859fb", kill_on_drop: false }`
[INFO] [stdout] 37216bda38b67919477fc4b2a54aefbf9d36e6d1f8f30e1e17f6bbad1f2859fb