[INFO] cloning repository https://github.com/GReX-Telescope/byte_slurper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GReX-Telescope/byte_slurper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGReX-Telescope%2Fbyte_slurper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGReX-Telescope%2Fbyte_slurper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 992f302e13231849a73a8b6fd7ab7bb0ab807383
[INFO] building GReX-Telescope/byte_slurper against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGReX-Telescope%2Fbyte_slurper" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GReX-Telescope/byte_slurper on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/GReX-Telescope/byte_slurper
[INFO] finished tweaking git repo https://github.com/GReX-Telescope/byte_slurper
[INFO] tweaked toml for git repo https://github.com/GReX-Telescope/byte_slurper written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GReX-Telescope/byte_slurper 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/kiranshila/casperfpga_rs`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/kiranshila/tapcp_rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sigproc_filterbank v0.2.1
[INFO] [stderr]   Downloaded ux v0.1.5
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded async-channel v1.7.1
[INFO] [stderr]   Downloaded blocking v1.2.0
[INFO] [stderr]   Downloaded concurrent-queue v2.0.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.81
[INFO] [stderr]   Downloaded cxx-build v1.0.81
[INFO] [stderr]   Downloaded psrdada-sys v0.2.2
[INFO] [stderr]   Downloaded cxx v1.0.81
[INFO] [stderr]   Downloaded pcap v0.9.2
[INFO] [stderr]   Downloaded bindgen v0.61.0
[INFO] [stderr]   Downloaded hifitime v3.6.0
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded nougat v0.2.4
[INFO] [stderr]   Downloaded polling v2.4.0
[INFO] [stderr]   Downloaded async-io v1.10.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.4
[INFO] [stderr]   Downloaded clap-verbosity-flag v1.0.1
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded os_str_bytes v6.4.0
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
[INFO] [stderr]   Downloaded rtrb v0.2.2
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.81
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded psrdada v0.2.4
[INFO] [stderr]   Downloaded nougat-proc_macros v0.2.4
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded lending-iterator-proc_macros v0.1.6
[INFO] [stderr]   Downloaded async-tftp v0.3.5
[INFO] [stderr]   Downloaded lending-iterator v0.1.6
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59141d4f7f3080e236d1e8ab535f7c98fac3ea546a2ec2e6511091c05b1d34c8
[INFO] running `Command { std: "docker" "start" "-a" "59141d4f7f3080e236d1e8ab535f7c98fac3ea546a2ec2e6511091c05b1d34c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59141d4f7f3080e236d1e8ab535f7c98fac3ea546a2ec2e6511091c05b1d34c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59141d4f7f3080e236d1e8ab535f7c98fac3ea546a2ec2e6511091c05b1d34c8", kill_on_drop: false }`
[INFO] [stdout] 59141d4f7f3080e236d1e8ab535f7c98fac3ea546a2ec2e6511091c05b1d34c8
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a02f75e4642c655019b3d4bdbf7c70ef7ca06c2742e731921b2cdb4254990f92
[INFO] running `Command { std: "docker" "start" "-a" "a02f75e4642c655019b3d4bdbf7c70ef7ca06c2742e731921b2cdb4254990f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 aho-corasick v0.7.19
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[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" "a02f75e4642c655019b3d4bdbf7c70ef7ca06c2742e731921b2cdb4254990f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02f75e4642c655019b3d4bdbf7c70ef7ca06c2742e731921b2cdb4254990f92", kill_on_drop: false }`
[INFO] [stdout] a02f75e4642c655019b3d4bdbf7c70ef7ca06c2742e731921b2cdb4254990f92
