[INFO] fetching crate blockless-car 0.1.5...
[INFO] checking blockless-car-0.1.5 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate blockless-car 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate blockless-car 0.1.5 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 blockless-car 0.1.5
[INFO] finished tweaking crates.io crate blockless-car 0.1.5
[INFO] tweaked toml for crates.io crate blockless-car 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate blockless-car 0.1.5 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]  Downloading crates ...
[INFO] [stderr]   Downloaded path-dedot v3.0.18
[INFO] [stderr]   Downloaded path-absolutize v3.0.14
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.12
[INFO] [stderr]   Downloaded libipld-core v0.15.0
[INFO] [stderr]   Downloaded libipld-json v0.15.0
[INFO] [stderr]   Downloaded libipld-macro v0.15.0
[INFO] [stderr]   Downloaded libipld-pb v0.15.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.10
[INFO] [stderr]   Downloaded constant_time_eq v0.2.5
[INFO] [stderr]   Downloaded keccak v0.1.3
[INFO] [stderr]   Downloaded libipld-cbor-derive v0.15.0
[INFO] [stderr]   Downloaded libipld v0.15.0
[INFO] [stderr]   Downloaded cid v0.9.0
[INFO] [stderr]   Downloaded data-encoding v2.3.3
[INFO] [stderr]   Downloaded libipld-cbor v0.15.0
[INFO] [stderr]   Downloaded sha3 v0.10.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f0331e0a1f0768a1d27d77f624293669231d5864d89a47af17cde02f227b35fd
[INFO] running `Command { std: "docker" "start" "-a" "f0331e0a1f0768a1d27d77f624293669231d5864d89a47af17cde02f227b35fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0331e0a1f0768a1d27d77f624293669231d5864d89a47af17cde02f227b35fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0331e0a1f0768a1d27d77f624293669231d5864d89a47af17cde02f227b35fd", kill_on_drop: false }`
[INFO] [stdout] f0331e0a1f0768a1d27d77f624293669231d5864d89a47af17cde02f227b35fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 295272b07a45bf81780b1efadd2fced2812860f1d854d7bf0433fcc48c59bf7b
[INFO] running `Command { std: "docker" "start" "-a" "295272b07a45bf81780b1efadd2fced2812860f1d854d7bf0433fcc48c59bf7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking constant_time_eq v0.2.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling blake3 v1.3.3
[INFO] [stderr]    Compiling data-encoding v2.3.3
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking blake2s_simd v1.0.1
[INFO] [stderr]     Checking blake2b_simd v1.0.1
[INFO] [stderr]     Checking sha3 v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking path-dedot v3.0.18
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking path-absolutize v3.0.14
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/wrapper.rs:475:33
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 475 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/wrapper.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 489 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 489 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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 core2 v0.4.0
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "295272b07a45bf81780b1efadd2fced2812860f1d854d7bf0433fcc48c59bf7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295272b07a45bf81780b1efadd2fced2812860f1d854d7bf0433fcc48c59bf7b", kill_on_drop: false }`
[INFO] [stdout] 295272b07a45bf81780b1efadd2fced2812860f1d854d7bf0433fcc48c59bf7b
