[INFO] fetching crate bkmr 0.9.1...
[INFO] checking bkmr-0.9.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate bkmr 0.9.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bkmr 0.9.1 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bkmr 0.9.1
[INFO] finished tweaking crates.io crate bkmr 0.9.1
[INFO] tweaked toml for crates.io crate bkmr 0.9.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate bkmr 0.9.1 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iana-time-zone v0.1.56
[INFO] [stderr]   Downloaded tendril v0.4.3
[INFO] [stderr]   Downloaded markup5ever v0.11.0
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
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[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
[INFO] [stderr]   Downloaded clap v4.2.5
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.94
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[INFO] [stderr]   Downloaded diesel v2.0.4
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded libc v0.2.142
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[INFO] [stderr]   Downloaded web-sys v0.3.61
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[INFO] [stderr]   Downloaded darling_core v0.20.0
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[INFO] [stderr]   Downloaded cxx v1.0.94
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[INFO] [stderr]   Downloaded reqwest v0.11.17
[INFO] [stderr]   Downloaded bstr v1.4.0
[INFO] [stderr]   Downloaded nix v0.25.1
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[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.7
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded diesel_migrations v2.0.0
[INFO] [stderr]   Downloaded open v4.1.0
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded stdext v0.3.1
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded darling_macro v0.20.0
[INFO] [stderr]   Downloaded indoc v2.0.1
[INFO] [stderr]   Downloaded diesel_derives v2.0.2
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[INFO] [stderr]   Downloaded defer-drop v1.3.0
[INFO] [stderr]   Downloaded mac v0.1.1
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[INFO] [stderr]   Downloaded predicates v3.0.3
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[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf29a2e51a2cd3747183dee9d700e9060dc5a2a073f3ad5e9da7c2dd8baa899
[INFO] running `Command { std: "docker" "start" "-a" "bcf29a2e51a2cd3747183dee9d700e9060dc5a2a073f3ad5e9da7c2dd8baa899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf29a2e51a2cd3747183dee9d700e9060dc5a2a073f3ad5e9da7c2dd8baa899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf29a2e51a2cd3747183dee9d700e9060dc5a2a073f3ad5e9da7c2dd8baa899", kill_on_drop: false }`
[INFO] [stdout] bcf29a2e51a2cd3747183dee9d700e9060dc5a2a073f3ad5e9da7c2dd8baa899
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a978ca198d7408a3f9611d33eeb0e0b59b110b99b01e3423dbb4f955ef4edd2c
[INFO] running `Command { std: "docker" "start" "-a" "a978ca198d7408a3f9611d33eeb0e0b59b110b99b01e3423dbb4f955ef4edd2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.17
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[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 phf_shared v0.10.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking utf8parse v0.2.1
[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" "a978ca198d7408a3f9611d33eeb0e0b59b110b99b01e3423dbb4f955ef4edd2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a978ca198d7408a3f9611d33eeb0e0b59b110b99b01e3423dbb4f955ef4edd2c", kill_on_drop: false }`
[INFO] [stdout] a978ca198d7408a3f9611d33eeb0e0b59b110b99b01e3423dbb4f955ef4edd2c
