[INFO] fetching crate terminity 0.1.0...
[INFO] checking terminity-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate terminity 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate terminity 0.1.0
[INFO] finished tweaking crates.io crate terminity 0.1.0
[INFO] tweaked toml for crates.io crate terminity 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate terminity 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate terminity 0.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminity_widgets_proc v0.1.0
[INFO] [stderr]   Downloaded toml_edit v0.19.4
[INFO] [stderr]   Downloaded terminity_widgets v0.1.0
[INFO] [stderr]   Downloaded winnow v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e4021226b4f891b3b3ac2078379f36987a86fa4b2cdf1dc2cf57a36324b4d33
[INFO] running `Command { std: "docker" "start" "-a" "8e4021226b4f891b3b3ac2078379f36987a86fa4b2cdf1dc2cf57a36324b4d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e4021226b4f891b3b3ac2078379f36987a86fa4b2cdf1dc2cf57a36324b4d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4021226b4f891b3b3ac2078379f36987a86fa4b2cdf1dc2cf57a36324b4d33", kill_on_drop: false }`
[INFO] [stdout] 8e4021226b4f891b3b3ac2078379f36987a86fa4b2cdf1dc2cf57a36324b4d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 341800a5b6e67ba8ebe452258584095a5242f973a61997c6a4a203d9b7edacd2
[INFO] running `Command { std: "docker" "start" "-a" "341800a5b6e67ba8ebe452258584095a5242f973a61997c6a4a203d9b7edacd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling winnow v0.3.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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" "341800a5b6e67ba8ebe452258584095a5242f973a61997c6a4a203d9b7edacd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341800a5b6e67ba8ebe452258584095a5242f973a61997c6a4a203d9b7edacd2", kill_on_drop: false }`
[INFO] [stdout] 341800a5b6e67ba8ebe452258584095a5242f973a61997c6a4a203d9b7edacd2