[INFO] fetching crate rye-grain 0.0.1...
[INFO] checking rye-grain-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rye-grain 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rye-grain 0.0.1
[INFO] finished tweaking crates.io crate rye-grain 0.0.1
[INFO] tweaked toml for crates.io crate rye-grain 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rye-grain 0.0.1 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 rye-grain 0.0.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded pest_derive v2.5.1
[INFO] [stderr]   Downloaded pest_generator v2.5.1
[INFO] [stderr]   Downloaded pest_meta v2.5.1
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded symbolic-common v9.2.1
[INFO] [stderr]   Downloaded infer v0.9.0
[INFO] [stderr]   Downloaded serde_ignored v0.1.5
[INFO] [stderr]   Downloaded cargo_metadata v0.15.2
[INFO] [stderr]   Downloaded lenient_semver_version_builder v0.4.2
[INFO] [stderr]   Downloaded lenient_semver_parser v0.4.2
[INFO] [stderr]   Downloaded tabled v0.8.0
[INFO] [stderr]   Downloaded pest v2.5.1
[INFO] [stderr]   Downloaded symbolic-demangle v9.2.1
[INFO] [stderr]   Downloaded rstest v0.11.0
[INFO] [stderr]   Downloaded memmap2 v0.5.8
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded duckscript v0.7.5
[INFO] [stderr]   Downloaded java-properties v1.4.1
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v2.3.1
[INFO] [stderr]   Downloaded lazy-regex v2.3.1
[INFO] [stderr]   Downloaded lenient_semver v0.4.2
[INFO] [stderr]   Downloaded whoami v1.2.3
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded simplelog v0.12.0
[INFO] [stderr]   Downloaded papergrid v0.5.1
[INFO] [stderr]   Downloaded tabled_derive v0.4.0
[INFO] [stderr]   Downloaded fsio v0.4.0
[INFO] [stderr]   Downloaded cliparser v0.1.2
[INFO] [stderr]   Downloaded rust_info v0.3.2
[INFO] [stderr]   Downloaded git_info v0.1.2
[INFO] [stderr]   Downloaded shell2batch v0.4.5
[INFO] [stderr]   Downloaded attohttpc v0.23.1
[INFO] [stderr]   Downloaded suppaftp v4.5.2
[INFO] [stderr]   Downloaded grcov v0.8.13
[INFO] [stderr]   Downloaded duckscriptsdk v0.8.16
[INFO] [stderr]   Downloaded run_script v0.10.0
[INFO] [stderr]   Downloaded ci_info v0.14.9
[INFO] [stderr]   Downloaded cargo-make v0.36.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 05b0b4b80c86560a458f208fc1431b53c972bd090641568cc362ee6669678eb6
[INFO] running `Command { std: "docker" "start" "-a" "05b0b4b80c86560a458f208fc1431b53c972bd090641568cc362ee6669678eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05b0b4b80c86560a458f208fc1431b53c972bd090641568cc362ee6669678eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b0b4b80c86560a458f208fc1431b53c972bd090641568cc362ee6669678eb6", kill_on_drop: false }`
[INFO] [stdout] 05b0b4b80c86560a458f208fc1431b53c972bd090641568cc362ee6669678eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f4dfdff9fb9ef2dfece843cf941db0b3fb26bfa66168bd240c4b742ed3d31f6
[INFO] running `Command { std: "docker" "start" "-a" "2f4dfdff9fb9ef2dfece843cf941db0b3fb26bfa66168bd240c4b742ed3d31f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling typenum v1.15.0
[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]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling rand v0.8.5
[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" "2f4dfdff9fb9ef2dfece843cf941db0b3fb26bfa66168bd240c4b742ed3d31f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4dfdff9fb9ef2dfece843cf941db0b3fb26bfa66168bd240c4b742ed3d31f6", kill_on_drop: false }`
[INFO] [stdout] 2f4dfdff9fb9ef2dfece843cf941db0b3fb26bfa66168bd240c4b742ed3d31f6