[INFO] fetching crate intuicio-runner-simpleton 0.8.1...
[INFO] checking intuicio-runner-simpleton-0.8.1 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate intuicio-runner-simpleton 0.8.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate intuicio-runner-simpleton 0.8.1 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 intuicio-runner-simpleton 0.8.1
[INFO] finished tweaking crates.io crate intuicio-runner-simpleton 0.8.1
[INFO] tweaked toml for crates.io crate intuicio-runner-simpleton 0.8.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate intuicio-runner-simpleton 0.8.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded typid v1.1.1
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded intuicio-backend-vm v0.8.1
[INFO] [stderr]   Downloaded intuicio-derive v0.8.1
[INFO] [stderr]   Downloaded intuicio-plugins v0.8.1
[INFO] [stderr]   Downloaded dirs v5.0.0
[INFO] [stderr]   Downloaded intuicio-data v0.8.1
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded snailquote v0.3.1
[INFO] [stderr]   Downloaded winnow v0.4.0
[INFO] [stderr]   Downloaded intuicio-core v0.8.1
[INFO] [stderr]   Downloaded intuicio-frontend-simpleton v0.8.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a54d2c00cf481401ff615fae235181cfe6fcd3b2b198405967b1e3e3fa755d08
[INFO] running `Command { std: "docker" "start" "-a" "a54d2c00cf481401ff615fae235181cfe6fcd3b2b198405967b1e3e3fa755d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a54d2c00cf481401ff615fae235181cfe6fcd3b2b198405967b1e3e3fa755d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54d2c00cf481401ff615fae235181cfe6fcd3b2b198405967b1e3e3fa755d08", kill_on_drop: false }`
[INFO] [stdout] a54d2c00cf481401ff615fae235181cfe6fcd3b2b198405967b1e3e3fa755d08
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 554ffad8b90e1c9de340363e497c5a5ea4d137035b0ca0d28ad0a5af02f35d7e
[INFO] running `Command { std: "docker" "start" "-a" "554ffad8b90e1c9de340363e497c5a5ea4d137035b0ca0d28ad0a5af02f35d7e", kill_on_drop: false }`
[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 libc v0.2.139
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking winnow v0.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling heck v0.4.1
[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]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[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" "554ffad8b90e1c9de340363e497c5a5ea4d137035b0ca0d28ad0a5af02f35d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554ffad8b90e1c9de340363e497c5a5ea4d137035b0ca0d28ad0a5af02f35d7e", kill_on_drop: false }`
[INFO] [stdout] 554ffad8b90e1c9de340363e497c5a5ea4d137035b0ca0d28ad0a5af02f35d7e
