[INFO] fetching crate plow_cli 0.5.0...
[INFO] checking plow_cli-0.5.0 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate plow_cli 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate plow_cli 0.5.0 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plow_cli 0.5.0
[INFO] finished tweaking crates.io crate plow_cli 0.5.0
[INFO] tweaked toml for crates.io crate plow_cli 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate plow_cli 0.5.0 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded plow_package_management v0.3.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.19
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[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 wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded open v3.4.0
[INFO] [stderr]   Downloaded psl-types v2.0.11
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded addr v0.15.6
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded libz-sys v1.1.8
[INFO] [stderr]   Downloaded libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]   Downloaded finl_unicode v1.2.0
[INFO] [stderr]   Downloaded spdx v0.9.0
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded psl v2.1.3
[INFO] [stderr]   Downloaded aquamarine v0.1.12
[INFO] [stderr]   Downloaded rustrict v0.5.14
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded chrono v0.4.20
[INFO] [stderr]   Downloaded syn v1.0.65
[INFO] [stderr]   Downloaded field33_rdftk_iri_temporary_fork v0.1.9
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded pubgrub v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded uuid v1.3.0
[INFO] [stderr]   Downloaded dialoguer v0.10.3
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded plow_linter v0.2.9
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded field33_rdftk_core_temporary_fork v0.3.1
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded darc v0.0.1
[INFO] [stderr]   Downloaded glob v0.3.1
[INFO] [stderr]   Downloaded bimap v0.6.2
[INFO] [stderr]   Downloaded field33_rdftk_names_temporary_fork v0.1.9
[INFO] [stderr]   Downloaded blob-uuid v0.5.0
[INFO] [stderr]   Downloaded unique_id v0.1.5
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded oxiri v0.2.2
[INFO] [stderr]   Downloaded harriet v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba8dec966017f90aca129532381f91500ca3dda30b9d98535aadd60df2f9783
[INFO] running `Command { std: "docker" "start" "-a" "fba8dec966017f90aca129532381f91500ca3dda30b9d98535aadd60df2f9783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba8dec966017f90aca129532381f91500ca3dda30b9d98535aadd60df2f9783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba8dec966017f90aca129532381f91500ca3dda30b9d98535aadd60df2f9783", kill_on_drop: false }`
[INFO] [stdout] fba8dec966017f90aca129532381f91500ca3dda30b9d98535aadd60df2f9783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 340201716f4143e5b7f9bf33e4d79f10ea5ae7597a9511baa12ce2ac2678e363
[INFO] running `Command { std: "docker" "start" "-a" "340201716f4143e5b7f9bf33e4d79f10ea5ae7597a9511baa12ce2ac2678e363", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[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 log v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling typenum v1.16.0
[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] [stdout] error: aborting due to 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" "340201716f4143e5b7f9bf33e4d79f10ea5ae7597a9511baa12ce2ac2678e363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340201716f4143e5b7f9bf33e4d79f10ea5ae7597a9511baa12ce2ac2678e363", kill_on_drop: false }`
[INFO] [stdout] 340201716f4143e5b7f9bf33e4d79f10ea5ae7597a9511baa12ce2ac2678e363