[INFO] fetching crate create-mnt-app 0.1.0...
[INFO] checking create-mnt-app-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate create-mnt-app 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate create-mnt-app 0.1.0 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 create-mnt-app 0.1.0
[INFO] finished tweaking crates.io crate create-mnt-app 0.1.0
[INFO] tweaked toml for crates.io crate create-mnt-app 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate create-mnt-app 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded serde v1.0.153
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded names v0.14.0
[INFO] [stderr]   Downloaded os_pipe v1.1.3
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded console v0.15.5
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded dialoguer v0.10.3
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded rust-embed-utils v7.5.0
[INFO] [stderr]   Downloaded rust-embed-impl v6.5.0
[INFO] [stderr]   Downloaded spinach v2.1.0
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded serde_derive v1.0.153
[INFO] [stderr]   Downloaded tera v1.17.1
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded bstr v1.3.0
[INFO] [stderr]   Downloaded rust-embed v6.6.0
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cea67e019d6e05017f8615f164cb204fa42246f82d1f7c091c8cb5696cf9e963
[INFO] running `Command { std: "docker" "start" "-a" "cea67e019d6e05017f8615f164cb204fa42246f82d1f7c091c8cb5696cf9e963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cea67e019d6e05017f8615f164cb204fa42246f82d1f7c091c8cb5696cf9e963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea67e019d6e05017f8615f164cb204fa42246f82d1f7c091c8cb5696cf9e963", kill_on_drop: false }`
[INFO] [stdout] cea67e019d6e05017f8615f164cb204fa42246f82d1f7c091c8cb5696cf9e963
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 499550e05270c6c2ebd271d9b037d6805dad66e745b85127b0dda431393da386
[INFO] running `Command { std: "docker" "start" "-a" "499550e05270c6c2ebd271d9b037d6805dad66e745b85127b0dda431393da386", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling phf_codegen v0.11.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[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" "499550e05270c6c2ebd271d9b037d6805dad66e745b85127b0dda431393da386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499550e05270c6c2ebd271d9b037d6805dad66e745b85127b0dda431393da386", kill_on_drop: false }`
[INFO] [stdout] 499550e05270c6c2ebd271d9b037d6805dad66e745b85127b0dda431393da386
