[INFO] fetching crate plow_cli 0.5.2...
[INFO] checking plow_cli-0.5.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate plow_cli 0.5.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate plow_cli 0.5.2
[INFO] finished tweaking crates.io crate plow_cli 0.5.2
[INFO] tweaked toml for crates.io crate plow_cli 0.5.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plow_cli 0.5.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate plow_cli 0.5.2 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.81
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded plow_graphify v0.2.3
[INFO] [stderr]   Downloaded plow_ontology v0.2.2
[INFO] [stderr]   Downloaded harriet v0.3.0
[INFO] [stderr]   Downloaded unique_id v0.1.5
[INFO] [stderr]   Downloaded plow_package_management v0.3.4
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded open v3.4.0
[INFO] [stderr]   Downloaded darc v0.0.1
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded oxiri v0.2.2
[INFO] [stderr]   Downloaded pubgrub v0.2.1
[INFO] [stderr]   Downloaded field33_rdftk_names_temporary_fork v0.1.9
[INFO] [stderr]   Downloaded bimap v0.6.2
[INFO] [stderr]   Downloaded plow_linter v0.2.9
[INFO] [stderr]   Downloaded field33_rdftk_iri_temporary_fork v0.1.9
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded field33_rdftk_core_temporary_fork v0.3.1
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded blob-uuid v0.5.0
[INFO] [stderr]   Downloaded psl v2.1.3
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded chrono v0.4.20
[INFO] [stderr]   Downloaded openssl v0.10.46
[INFO] [stderr]   Downloaded rustrict v0.5.14
[INFO] [stderr]   Downloaded spdx v0.9.0
[INFO] [stderr]   Downloaded libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]   Downloaded openssl-src v111.26.0+1.1.1u
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a6ac97b317670f095b784775f9c0c6b3a84896c31456714883b27535a3530a2
[INFO] running `Command { std: "docker" "start" "-a" "8a6ac97b317670f095b784775f9c0c6b3a84896c31456714883b27535a3530a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a6ac97b317670f095b784775f9c0c6b3a84896c31456714883b27535a3530a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6ac97b317670f095b784775f9c0c6b3a84896c31456714883b27535a3530a2", kill_on_drop: false }`
[INFO] [stdout] 8a6ac97b317670f095b784775f9c0c6b3a84896c31456714883b27535a3530a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 875a80685158deef59315100d3008e234964514bd814b60e917ded07333fc8fd
[INFO] running `Command { std: "docker" "start" "-a" "875a80685158deef59315100d3008e234964514bd814b60e917ded07333fc8fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[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" "875a80685158deef59315100d3008e234964514bd814b60e917ded07333fc8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875a80685158deef59315100d3008e234964514bd814b60e917ded07333fc8fd", kill_on_drop: false }`
[INFO] [stdout] 875a80685158deef59315100d3008e234964514bd814b60e917ded07333fc8fd