[INFO] fetching crate exo 0.1.25...
[INFO] checking exo-0.1.25 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate exo 0.1.25 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate exo 0.1.25 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exo 0.1.25
[INFO] finished tweaking crates.io crate exo 0.1.25
[INFO] tweaked toml for crates.io crate exo 0.1.25 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate exo 0.1.25 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slice-group-by v0.3.1
[INFO] [stderr]   Downloaded portable-atomic v0.3.20
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[INFO] [stderr]   Downloaded exocore-discovery v0.1.25
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[INFO] [stderr]   Downloaded wiggle-generate v4.0.1
[INFO] [stderr]   Downloaded exocore-core v0.1.25
[INFO] [stderr]   Downloaded shadow-rs v0.21.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.91.1
[INFO] [stderr]   Downloaded extsort v0.4.2
[INFO] [stderr]   Downloaded cap-rand v1.0.15
[INFO] [stderr]   Downloaded blake2b_simd v1.0.1
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded tantivy-common v0.4.0
[INFO] [stderr]   Downloaded webrtc v0.6.0
[INFO] [stderr]   Downloaded ittapi v0.3.3
[INFO] [stderr]   Downloaded block-modes v0.7.0
[INFO] [stderr]   Downloaded webrtc-dtls v0.7.1
[INFO] [stderr]   Downloaded is_debug v1.0.1
[INFO] [stderr]   Downloaded typemap-ors v1.0.0
[INFO] [stderr]   Downloaded wasm-encoder v0.27.0
[INFO] [stderr]   Downloaded regalloc2 v0.5.1
[INFO] [stderr]   Downloaded protobuf-support v3.2.0
[INFO] [stderr]   Downloaded sdp v0.5.3
[INFO] [stderr]   Downloaded capnpc v0.16.5
[INFO] [stderr]   Downloaded webrtc-util v0.7.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.91.1
[INFO] [stderr]   Downloaded rtcp v0.7.2
[INFO] [stderr]   Downloaded ipconfig v0.3.1
[INFO] [stderr]   Downloaded wat v1.0.64
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0-pre.1
[INFO] [stderr]   Downloaded cranelift-entity v0.91.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.43.1
[INFO] [stderr]   Downloaded asn1-rs v0.3.1
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[INFO] [stderr]   Downloaded der-parser v7.0.0
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[INFO] [stderr]   Downloaded libp2p-webrtc v0.4.0-alpha.4
[INFO] [stderr]   Downloaded thread-id v4.1.0
[INFO] [stderr]   Downloaded libp2p-identify v0.42.2
[INFO] [stderr]   Downloaded dtoa v1.0.6
[INFO] [stderr]   Downloaded x509-parser v0.13.2
[INFO] [stderr]   Downloaded rcgen v0.10.0
[INFO] [stderr]   Downloaded unsafe-any-ors v1.0.0
[INFO] [stderr]   Downloaded rtp v0.6.8
[INFO] [stderr]   Downloaded libp2p-dns v0.39.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.43.1
[INFO] [stderr]   Downloaded log4rs v1.2.0
[INFO] [stderr]   Downloaded libp2p v0.51.3
[INFO] [stderr]   Downloaded wast v35.0.2
[INFO] [stderr]   Downloaded prometheus-client-derive-encode v0.4.1
[INFO] [stderr]   Downloaded portable-atomic v1.3.2
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.12
[INFO] [stderr]   Downloaded libp2p-tls v0.1.0
[INFO] [stderr]   Downloaded libp2p-metrics v0.12.0
[INFO] [stderr]   Downloaded libp2p-quic v0.7.0-alpha.3
[INFO] [stderr]   Downloaded virtue v0.0.13
[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.32.0
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.3
[INFO] [stderr]   Downloaded quinn-proto v0.9.3
[INFO] [stderr]   Downloaded derive_builder v0.11.2
[INFO] [stderr]   Downloaded witx v0.9.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.39.0
[INFO] [stderr]   Downloaded p384 v0.11.2
[INFO] [stderr]   Downloaded libp2p-swarm v0.42.2
[INFO] [stderr]   Downloaded pem-rfc7468 v0.6.0
[INFO] [stderr]   Downloaded oid-registry v0.4.0
[INFO] [stderr]   Downloaded wasmparser v0.95.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.91.1
[INFO] [stderr]   Downloaded lz4_flex v0.9.5
[INFO] [stderr]   Downloaded turn v0.6.1
[INFO] [stderr]   Downloaded webrtc-ice v0.9.1
[INFO] [stderr]   Downloaded if-watch v3.0.1
[INFO] [stderr]   Downloaded libp2p-tcp v0.39.0
[INFO] [stderr]   Downloaded interceptor v0.8.2
[INFO] [stderr]   Downloaded fastfield_codecs v0.3.1
[INFO] [stderr]   Downloaded crc-catalog v2.2.0
[INFO] [stderr]   Downloaded exocore-apps-host v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901669a5572c4622ffb63723bea019a458a6b0abb3da3ef5f0108b37528c0668
[INFO] running `Command { std: "docker" "start" "-a" "901669a5572c4622ffb63723bea019a458a6b0abb3da3ef5f0108b37528c0668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901669a5572c4622ffb63723bea019a458a6b0abb3da3ef5f0108b37528c0668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901669a5572c4622ffb63723bea019a458a6b0abb3da3ef5f0108b37528c0668", kill_on_drop: false }`
[INFO] [stdout] 901669a5572c4622ffb63723bea019a458a6b0abb3da3ef5f0108b37528c0668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38090c3488e1c7cc3e2a30d0b31ce9ab026b00d0309f3beecb12e62bf4c1d418
[INFO] running `Command { std: "docker" "start" "-a" "38090c3488e1c7cc3e2a30d0b31ce9ab026b00d0309f3beecb12e62bf4c1d418", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking typenum v1.16.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.58/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 subtle v2.4.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking instant v0.1.12
[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]     Checking data-encoding v2.3.3
[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" "38090c3488e1c7cc3e2a30d0b31ce9ab026b00d0309f3beecb12e62bf4c1d418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38090c3488e1c7cc3e2a30d0b31ce9ab026b00d0309f3beecb12e62bf4c1d418", kill_on_drop: false }`
[INFO] [stdout] 38090c3488e1c7cc3e2a30d0b31ce9ab026b00d0309f3beecb12e62bf4c1d418
[INFO] checking exo-0.1.25 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate exo 0.1.25 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate exo 0.1.25 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exo 0.1.25
[INFO] finished tweaking crates.io crate exo 0.1.25
[INFO] tweaked toml for crates.io crate exo 0.1.25 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate exo 0.1.25 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bde6d9bfd0caf31a5e1402947f0798566953d762317cbeee21a6a425d4080bd
[INFO] running `Command { std: "docker" "start" "-a" "9bde6d9bfd0caf31a5e1402947f0798566953d762317cbeee21a6a425d4080bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bde6d9bfd0caf31a5e1402947f0798566953d762317cbeee21a6a425d4080bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bde6d9bfd0caf31a5e1402947f0798566953d762317cbeee21a6a425d4080bd", kill_on_drop: false }`
[INFO] [stdout] 9bde6d9bfd0caf31a5e1402947f0798566953d762317cbeee21a6a425d4080bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12dbbe5d72d49696d46af2542a90be8c3480e473d04286b759cec0a6e575eed8
[INFO] running `Command { std: "docker" "start" "-a" "12dbbe5d72d49696d46af2542a90be8c3480e473d04286b759cec0a6e575eed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking typenum v1.16.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.58/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 subtle v2.4.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking arrayref v0.3.7
[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" "12dbbe5d72d49696d46af2542a90be8c3480e473d04286b759cec0a6e575eed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dbbe5d72d49696d46af2542a90be8c3480e473d04286b759cec0a6e575eed8", kill_on_drop: false }`
[INFO] [stdout] 12dbbe5d72d49696d46af2542a90be8c3480e473d04286b759cec0a6e575eed8
