[INFO] fetching crate fastx-statistics 1.0.0...
[INFO] checking fastx-statistics-1.0.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate fastx-statistics 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fastx-statistics 1.0.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastx-statistics 1.0.0
[INFO] finished tweaking crates.io crate fastx-statistics 1.0.0
[INFO] tweaked toml for crates.io crate fastx-statistics 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate fastx-statistics 1.0.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.17.1
[INFO] [stderr]   Downloaded clap_derive v4.0.10
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.6
[INFO] [stderr]   Downloaded simplelog v0.12.0
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded clap v4.0.10
[INFO] [stderr]   Downloaded seq_io v0.4.0-alpha.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a51787648915a750634ae4dfed02c7085ea3fdc4d17af2fbdba9cdf4af72180d
[INFO] running `Command { std: "docker" "start" "-a" "a51787648915a750634ae4dfed02c7085ea3fdc4d17af2fbdba9cdf4af72180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a51787648915a750634ae4dfed02c7085ea3fdc4d17af2fbdba9cdf4af72180d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51787648915a750634ae4dfed02c7085ea3fdc4d17af2fbdba9cdf4af72180d", kill_on_drop: false }`
[INFO] [stdout] a51787648915a750634ae4dfed02c7085ea3fdc4d17af2fbdba9cdf4af72180d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4947f51e495f7efb2b96df3cdd949adfdae77bf70964ff2e8957adf10e00b813
[INFO] running `Command { std: "docker" "start" "-a" "4947f51e495f7efb2b96df3cdd949adfdae77bf70964ff2e8957adf10e00b813", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 os_str_bytes v6.3.0
[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 num_threads v0.1.6
[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" "4947f51e495f7efb2b96df3cdd949adfdae77bf70964ff2e8957adf10e00b813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4947f51e495f7efb2b96df3cdd949adfdae77bf70964ff2e8957adf10e00b813", kill_on_drop: false }`
[INFO] [stdout] 4947f51e495f7efb2b96df3cdd949adfdae77bf70964ff2e8957adf10e00b813
