[INFO] fetching crate clircle 0.6.1...
[INFO] checking clircle-0.6.1 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate clircle 0.6.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate clircle 0.6.1 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clircle 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate clircle 0.6.1
[INFO] tweaked toml for crates.io crate clircle 0.6.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate clircle 0.6.1 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-lifetimes v1.0.1
[INFO] [stderr]   Downloaded bitflags v2.3.1
[INFO] [stderr]   Downloaded windows-result v0.1.2
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded windows-implement v0.56.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded windows-core v0.56.0
[INFO] [stderr]   Downloaded windows-interface v0.56.0
[INFO] [stderr]   Downloaded cfg_aliases v0.2.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded fastrand v1.6.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.9
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded syn v2.0.12
[INFO] [stderr]   Downloaded rustix v0.36.0
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded nix v0.29.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.2
[INFO] [stderr]   Downloaded instant v0.1.0
[INFO] [stderr]   Downloaded gcc v0.3.3
[INFO] [stderr]   Downloaded windows v0.56.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e83907ad8f3af4caa5ee69979ef334b54682390d361ba00017493c0ad7030d78
[INFO] running `Command { std: "docker" "start" "-a" "e83907ad8f3af4caa5ee69979ef334b54682390d361ba00017493c0ad7030d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83907ad8f3af4caa5ee69979ef334b54682390d361ba00017493c0ad7030d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83907ad8f3af4caa5ee69979ef334b54682390d361ba00017493c0ad7030d78", kill_on_drop: false }`
[INFO] [stdout] e83907ad8f3af4caa5ee69979ef334b54682390d361ba00017493c0ad7030d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a31f0bff64f5ac8ca7aee5efab4339c141e608b8eec109b96cf69573ee943a73
[INFO] running `Command { std: "docker" "start" "-a" "a31f0bff64f5ac8ca7aee5efab4339c141e608b8eec109b96cf69573ee943a73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling rustix v0.36.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.2
[INFO] [stderr]     Checking fastrand v1.6.0
[INFO] [stderr]     Checking bitflags v2.3.1
[INFO] [stderr]    Compiling nix v0.29.0
[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] 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" "a31f0bff64f5ac8ca7aee5efab4339c141e608b8eec109b96cf69573ee943a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31f0bff64f5ac8ca7aee5efab4339c141e608b8eec109b96cf69573ee943a73", kill_on_drop: false }`
[INFO] [stdout] a31f0bff64f5ac8ca7aee5efab4339c141e608b8eec109b96cf69573ee943a73
