[INFO] fetching crate dyson 0.2.0...
[INFO] checking dyson-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate dyson 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dyson 0.2.0 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 dyson 0.2.0
[INFO] finished tweaking crates.io crate dyson 0.2.0
[INFO] tweaked toml for crates.io crate dyson 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate dyson 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.8
[INFO] [stderr]   Downloaded serde_yaml v0.9.21
[INFO] [stderr]   Downloaded aws-endpoint v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-query v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-json v0.55.2
[INFO] [stderr]   Downloaded aws-http v0.55.2
[INFO] [stderr]   Downloaded aws-credential-types v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-async v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-xml v0.55.2
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.27.0
[INFO] [stderr]   Downloaded clap v4.2.5
[INFO] [stderr]   Downloaded aws-sdk-sts v0.27.0
[INFO] [stderr]   Downloaded aws-sdk-ecr v0.27.0
[INFO] [stderr]   Downloaded aws-sdk-ecs v0.27.0
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.6
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded aws-sdk-lambda v0.27.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded rustix v0.37.18
[INFO] [stderr]   Downloaded aws-config v0.55.2
[INFO] [stderr]   Downloaded clap_builder v4.2.5
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded h2 v0.3.18
[INFO] [stderr]   Downloaded reqwest v0.11.17
[INFO] [stderr]   Downloaded aws-sigv4 v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-client v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-http v0.55.2
[INFO] [stderr]   Downloaded aws-smithy-types v0.55.2
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded serde_derive v1.0.162
[INFO] [stderr]   Downloaded serde v1.0.162
[INFO] [stderr]   Downloaded aws-sig-auth v0.55.2
[INFO] [stderr]   Downloaded aws-types v0.55.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 560d101858f374b5fb75fda8c1cb25d8e9299a224b0807d9d93486043e6cf221
[INFO] running `Command { std: "docker" "start" "-a" "560d101858f374b5fb75fda8c1cb25d8e9299a224b0807d9d93486043e6cf221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "560d101858f374b5fb75fda8c1cb25d8e9299a224b0807d9d93486043e6cf221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560d101858f374b5fb75fda8c1cb25d8e9299a224b0807d9d93486043e6cf221", kill_on_drop: false }`
[INFO] [stdout] 560d101858f374b5fb75fda8c1cb25d8e9299a224b0807d9d93486043e6cf221
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cc03437197c6e4df7c1486b6a970c012eb5403b0567b8dd91ac7958db678950
[INFO] running `Command { std: "docker" "start" "-a" "0cc03437197c6e4df7c1486b6a970c012eb5403b0567b8dd91ac7958db678950", 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]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling slab v0.4.8
[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 futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[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" "0cc03437197c6e4df7c1486b6a970c012eb5403b0567b8dd91ac7958db678950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc03437197c6e4df7c1486b6a970c012eb5403b0567b8dd91ac7958db678950", kill_on_drop: false }`
[INFO] [stdout] 0cc03437197c6e4df7c1486b6a970c012eb5403b0567b8dd91ac7958db678950
