[INFO] fetching crate shell-gpt 0.1.1...
[INFO] checking shell-gpt-0.1.1 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] extracting crate shell-gpt 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate shell-gpt 0.1.1 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shell-gpt 0.1.1
[INFO] finished tweaking crates.io crate shell-gpt 0.1.1
[INFO] tweaked toml for crates.io crate shell-gpt 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate shell-gpt 0.1.1 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ct-codecs v1.1.1
[INFO] [stderr]   Downloaded dirs-sys v0.4.0
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded directories v5.0.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded orion v0.17.4
[INFO] [stderr]   Downloaded fiat-crypto v0.1.20
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded h2 v0.3.17
[INFO] [stderr]   Downloaded spinoff v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 201190f7fd28f2e7742e731915bb99f4e10c78beb5beea549b1f4816f0f1b7f7
[INFO] running `Command { std: "docker" "start" "-a" "201190f7fd28f2e7742e731915bb99f4e10c78beb5beea549b1f4816f0f1b7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "201190f7fd28f2e7742e731915bb99f4e10c78beb5beea549b1f4816f0f1b7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201190f7fd28f2e7742e731915bb99f4e10c78beb5beea549b1f4816f0f1b7f7", kill_on_drop: false }`
[INFO] [stdout] 201190f7fd28f2e7742e731915bb99f4e10c78beb5beea549b1f4816f0f1b7f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e813617898c1f70af2a8483d63fb5d674d7e0bfbda80aebcc3d6e1a5a9eb094
[INFO] running `Command { std: "docker" "start" "-a" "5e813617898c1f70af2a8483d63fb5d674d7e0bfbda80aebcc3d6e1a5a9eb094", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling openssl-sys v0.9.85
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling openssl v0.10.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking fiat-crypto v0.1.20
[INFO] [stderr]     Checking ct-codecs v1.1.1
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] [stdout] error: aborting due to previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5e813617898c1f70af2a8483d63fb5d674d7e0bfbda80aebcc3d6e1a5a9eb094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e813617898c1f70af2a8483d63fb5d674d7e0bfbda80aebcc3d6e1a5a9eb094", kill_on_drop: false }`
[INFO] [stdout] 5e813617898c1f70af2a8483d63fb5d674d7e0bfbda80aebcc3d6e1a5a9eb094