[INFO] cloning repository https://github.com/abstractqqq/rust_polynomials_fft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abstractqqq/rust_polynomials_fft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabstractqqq%2Frust_polynomials_fft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabstractqqq%2Frust_polynomials_fft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51518508cf1dc26dc8f6b90faac8617c9f968077
[INFO] checking abstractqqq/rust_polynomials_fft against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabstractqqq%2Frust_polynomials_fft" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abstractqqq/rust_polynomials_fft
[INFO] finished tweaking git repo https://github.com/abstractqqq/rust_polynomials_fft
[INFO] tweaked toml for git repo https://github.com/abstractqqq/rust_polynomials_fft written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abstractqqq/rust_polynomials_fft on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abstractqqq/rust_polynomials_fft 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polars-utils v0.26.1
[INFO] [stderr]   Downloaded const-random v0.1.15
[INFO] [stderr]   Downloaded polars-io v0.26.1
[INFO] [stderr]   Downloaded const-random-macro v0.1.15
[INFO] [stderr]   Downloaded foreign_vec v0.1.0
[INFO] [stderr]   Downloaded polars-arrow v0.26.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded polars-time v0.26.1
[INFO] [stderr]   Downloaded polars-ops v0.26.1
[INFO] [stderr]   Downloaded enum_dispatch v0.3.8
[INFO] [stderr]   Downloaded polars-pipe v0.26.1
[INFO] [stderr]   Downloaded polars v0.26.1
[INFO] [stderr]   Downloaded ethnum v1.3.2
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded comfy-table v6.1.3
[INFO] [stderr]   Downloaded polars-plan v0.26.1
[INFO] [stderr]   Downloaded polars-lazy v0.26.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded polars-core v0.26.1
[INFO] [stderr]   Downloaded cxx v1.0.85
[INFO] [stderr]   Downloaded arrow2 v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36a08e1f54eabcb65548970f13f91d60f849d2a968b7e0606e90c5bcf7f94515
[INFO] running `Command { std: "docker" "start" "-a" "36a08e1f54eabcb65548970f13f91d60f849d2a968b7e0606e90c5bcf7f94515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36a08e1f54eabcb65548970f13f91d60f849d2a968b7e0606e90c5bcf7f94515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a08e1f54eabcb65548970f13f91d60f849d2a968b7e0606e90c5bcf7f94515", kill_on_drop: false }`
[INFO] [stdout] 36a08e1f54eabcb65548970f13f91d60f849d2a968b7e0606e90c5bcf7f94515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c2a29c552a228f5a32de50b4e2211769270c6897893ced32e440c0b3b174658
[INFO] running `Command { std: "docker" "start" "-a" "1c2a29c552a228f5a32de50b4e2211769270c6897893ced32e440c0b3b174658", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking dyn-clone v1.0.10
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking ethnum v1.3.2
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking strum v0.24.1
[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" "1c2a29c552a228f5a32de50b4e2211769270c6897893ced32e440c0b3b174658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2a29c552a228f5a32de50b4e2211769270c6897893ced32e440c0b3b174658", kill_on_drop: false }`
[INFO] [stdout] 1c2a29c552a228f5a32de50b4e2211769270c6897893ced32e440c0b3b174658