[INFO] cloning repository https://github.com/cryptohariseldon/Zilch-monorepo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cryptohariseldon/Zilch-monorepo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcryptohariseldon%2FZilch-monorepo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcryptohariseldon%2FZilch-monorepo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 811194498f10261b409c1adc7018c7ee8a3ca4c4
[INFO] checking cryptohariseldon/Zilch-monorepo against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcryptohariseldon%2FZilch-monorepo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cryptohariseldon/Zilch-monorepo
[INFO] finished tweaking git repo https://github.com/cryptohariseldon/Zilch-monorepo
[INFO] tweaked toml for git repo https://github.com/cryptohariseldon/Zilch-monorepo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cryptohariseldon/Zilch-monorepo on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cryptohariseldon/Zilch-monorepo 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "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 miden-prover v0.3.0
[INFO] [stderr]   Downloaded winter-prover v0.4.2
[INFO] [stderr]   Downloaded keccak v0.1.3
[INFO] [stderr]   Downloaded winter-utils v0.4.2
[INFO] [stderr]   Downloaded winter-fri v0.4.2
[INFO] [stderr]   Downloaded winter-math v0.4.2
[INFO] [stderr]   Downloaded constant_time_eq v0.2.4
[INFO] [stderr]   Downloaded toml_datetime v0.5.1
[INFO] [stderr]   Downloaded winter-crypto v0.4.2
[INFO] [stderr]   Downloaded proc-macro-crate v1.3.0
[INFO] [stderr]   Downloaded miden-assembly v0.3.0
[INFO] [stderr]   Downloaded miden-air v0.3.0
[INFO] [stderr]   Downloaded toml_edit v0.18.1
[INFO] [stderr]   Downloaded blake3 v1.3.3
[INFO] [stderr]   Downloaded nom8 v0.2.0
[INFO] [stderr]   Downloaded winter-air v0.4.2
[INFO] [stderr]   Downloaded miden-core v0.3.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.9
[INFO] [stderr]   Downloaded num_enum v0.5.9
[INFO] [stderr]   Downloaded miden-processor v0.3.0
[INFO] [stderr]   Downloaded sha3 v0.10.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6b7899b8c5b7b094834ef143349bbe6ae800c2460c7e71c775dd36b37143837
[INFO] running `Command { std: "docker" "start" "-a" "c6b7899b8c5b7b094834ef143349bbe6ae800c2460c7e71c775dd36b37143837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b7899b8c5b7b094834ef143349bbe6ae800c2460c7e71c775dd36b37143837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b7899b8c5b7b094834ef143349bbe6ae800c2460c7e71c775dd36b37143837", kill_on_drop: false }`
[INFO] [stdout] c6b7899b8c5b7b094834ef143349bbe6ae800c2460c7e71c775dd36b37143837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ba3a389e60e4c121da82df3ad47ae706328859cd5b793213b03bc9f08ccf5c7
[INFO] running `Command { std: "docker" "start" "-a" "8ba3a389e60e4c121da82df3ad47ae706328859cd5b793213b03bc9f08ccf5c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking winter-utils v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking constant_time_eq v0.2.4
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking winter-math v0.4.2
[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] [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" "8ba3a389e60e4c121da82df3ad47ae706328859cd5b793213b03bc9f08ccf5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba3a389e60e4c121da82df3ad47ae706328859cd5b793213b03bc9f08ccf5c7", kill_on_drop: false }`
[INFO] [stdout] 8ba3a389e60e4c121da82df3ad47ae706328859cd5b793213b03bc9f08ccf5c7
