[INFO] fetching crate answer 0.0.1-beta.1...
[INFO] checking answer-0.0.1-beta.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate answer 0.0.1-beta.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate answer 0.0.1-beta.1
[INFO] finished tweaking crates.io crate answer 0.0.1-beta.1
[INFO] tweaked toml for crates.io crate answer 0.0.1-beta.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate answer 0.0.1-beta.1 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 answer 0.0.1-beta.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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.19.6
[INFO] [stderr]   Downloaded async-openai v0.9.4
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded serde_derive v1.0.156
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded futures-executor v0.3.27
[INFO] [stderr]   Downloaded futures v0.3.27
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded winnow v0.3.5
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded futures-macro v0.3.27
[INFO] [stderr]   Downloaded concolor-query v0.1.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded os_info v3.6.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.1
[INFO] [stderr]   Downloaded toml v0.7.3
[INFO] [stderr]   Downloaded clap v4.1.8
[INFO] [stderr]   Downloaded concolor v0.0.12
[INFO] [stderr]   Downloaded unicode-bidi v0.3.11
[INFO] [stderr]   Downloaded clap_derive v4.1.8
[INFO] [stderr]   Downloaded clap_lex v0.3.2
[INFO] [stderr]   Downloaded clap-verbosity-flag v2.0.0
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded futures-io v0.3.27
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded human-panic v1.1.1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 079a40dbbd69f18c19306e6f49eb7de9b9483094618d7337aa3e6fe6c70853e6
[INFO] running `Command { std: "docker" "start" "-a" "079a40dbbd69f18c19306e6f49eb7de9b9483094618d7337aa3e6fe6c70853e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "079a40dbbd69f18c19306e6f49eb7de9b9483094618d7337aa3e6fe6c70853e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079a40dbbd69f18c19306e6f49eb7de9b9483094618d7337aa3e6fe6c70853e6", kill_on_drop: false }`
[INFO] [stdout] 079a40dbbd69f18c19306e6f49eb7de9b9483094618d7337aa3e6fe6c70853e6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e2ebc7f4bc9ec695fa7bae6b5aa11b52398e5a1a28bf6cc7cddad542a6b705
[INFO] running `Command { std: "docker" "start" "-a" "20e2ebc7f4bc9ec695fa7bae6b5aa11b52398e5a1a28bf6cc7cddad542a6b705", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking winnow v0.3.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[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" "20e2ebc7f4bc9ec695fa7bae6b5aa11b52398e5a1a28bf6cc7cddad542a6b705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e2ebc7f4bc9ec695fa7bae6b5aa11b52398e5a1a28bf6cc7cddad542a6b705", kill_on_drop: false }`
[INFO] [stdout] 20e2ebc7f4bc9ec695fa7bae6b5aa11b52398e5a1a28bf6cc7cddad542a6b705