[INFO] fetching crate dotter 0.13.0...
[INFO] checking dotter-0.13.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate dotter 0.13.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dotter 0.13.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotter 0.13.0
[INFO] finished tweaking crates.io crate dotter 0.13.0
[INFO] tweaked toml for crates.io crate dotter 0.13.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate dotter 0.13.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded notify v5.0.0-pre.14
[INFO] [stderr]   Downloaded unicode-bom v1.1.4
[INFO] [stderr]   Downloaded pwd v1.4.0
[INFO] [stderr]   Downloaded miette-derive v3.3.0
[INFO] [stderr]   Downloaded git-features v0.20.0
[INFO] [stderr]   Downloaded enquote v1.1.0
[INFO] [stderr]   Downloaded git-hash v0.9.11
[INFO] [stderr]   Downloaded pest_derive v2.6.0
[INFO] [stderr]   Downloaded pest_generator v2.6.0
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded clap_complete v4.2.1
[INFO] [stderr]   Downloaded rhai_codegen v1.5.0
[INFO] [stderr]   Downloaded handlebars_misc_helpers v0.12.2
[INFO] [stderr]   Downloaded pest v2.6.0
[INFO] [stderr]   Downloaded rhai v1.13.0
[INFO] [stderr]   Downloaded handlebars v4.3.6
[INFO] [stderr]   Downloaded terminfo v0.7.5
[INFO] [stderr]   Downloaded clearscreen v1.0.11
[INFO] [stderr]   Downloaded command-group v1.0.8
[INFO] [stderr]   Downloaded git-config v0.2.1
[INFO] [stderr]   Downloaded miette v3.3.0
[INFO] [stderr]   Downloaded pest_meta v2.6.0
[INFO] [stderr]   Downloaded watchexec v2.0.0-pre.14
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdbd6af48dd5fae1ac818810bd78035d32a56f20c2eaa23bef66ad48b1084f9e
[INFO] running `Command { std: "docker" "start" "-a" "cdbd6af48dd5fae1ac818810bd78035d32a56f20c2eaa23bef66ad48b1084f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbd6af48dd5fae1ac818810bd78035d32a56f20c2eaa23bef66ad48b1084f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbd6af48dd5fae1ac818810bd78035d32a56f20c2eaa23bef66ad48b1084f9e", kill_on_drop: false }`
[INFO] [stdout] cdbd6af48dd5fae1ac818810bd78035d32a56f20c2eaa23bef66ad48b1084f9e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b20944ffd67e5f24bd027dcabce7875eee45f18cc287ac0c43cdbdff66b3d0
[INFO] running `Command { std: "docker" "start" "-a" "23b20944ffd67e5f24bd027dcabce7875eee45f18cc287ac0c43cdbdff66b3d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling rustix v0.37.15
[INFO] [stderr]     Checking linux-raw-sys v0.3.5
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling tokio v1.28.0
[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]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stdout] error: aborting due to 1 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" "23b20944ffd67e5f24bd027dcabce7875eee45f18cc287ac0c43cdbdff66b3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b20944ffd67e5f24bd027dcabce7875eee45f18cc287ac0c43cdbdff66b3d0", kill_on_drop: false }`
[INFO] [stdout] 23b20944ffd67e5f24bd027dcabce7875eee45f18cc287ac0c43cdbdff66b3d0
