[INFO] fetching crate casperfpga 0.1.1...
[INFO] checking casperfpga-0.1.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate casperfpga 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate casperfpga 0.1.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casperfpga 0.1.1
[INFO] finished tweaking crates.io crate casperfpga 0.1.1
[INFO] tweaked toml for crates.io crate casperfpga 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate casperfpga 0.1.1 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-lexicon v0.12.6
[INFO] [stderr]   Downloaded tapcp v0.1.0
[INFO] [stderr]   Downloaded packed_struct v0.10.1
[INFO] [stderr]   Downloaded casperfpga_derive v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded packed_struct_codegen v0.10.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.17.3
[INFO] [stderr]   Downloaded polling v2.6.0
[INFO] [stderr]   Downloaded async-tftp v0.3.6
[INFO] [stderr]   Downloaded pyo3-ffi v0.17.3
[INFO] [stderr]   Downloaded casper_utils v0.1.0
[INFO] [stderr]   Downloaded pyo3 v0.17.3
[INFO] [stderr]   Downloaded pyo3-macros v0.17.3
[INFO] [stderr]   Downloaded kstring v2.0.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.17.3
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded fixed v1.23.1
[INFO] [stderr]   Downloaded async-trait v0.1.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 829ada502a82922489e79b31049f676159cc3882f666a2280fe596231ce4fd54
[INFO] running `Command { std: "docker" "start" "-a" "829ada502a82922489e79b31049f676159cc3882f666a2280fe596231ce4fd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "829ada502a82922489e79b31049f676159cc3882f666a2280fe596231ce4fd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829ada502a82922489e79b31049f676159cc3882f666a2280fe596231ce4fd54", kill_on_drop: false }`
[INFO] [stdout] 829ada502a82922489e79b31049f676159cc3882f666a2280fe596231ce4fd54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630525ec793685276eca85ef2b80c51d3af5eb097167d5512fead44a4a1944a9
[INFO] running `Command { std: "docker" "start" "-a" "630525ec793685276eca85ef2b80c51d3af5eb097167d5512fead44a4a1944a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling clang-sys v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.66
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]    Compiling bindgen v0.61.0
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/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 portable-atomic v0.3.19
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling kstring v2.0.0
[INFO] [stderr]    Compiling which v4.4.0
[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] 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" "630525ec793685276eca85ef2b80c51d3af5eb097167d5512fead44a4a1944a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630525ec793685276eca85ef2b80c51d3af5eb097167d5512fead44a4a1944a9", kill_on_drop: false }`
[INFO] [stdout] 630525ec793685276eca85ef2b80c51d3af5eb097167d5512fead44a4a1944a9
