[INFO] fetching crate fasttext-serving 0.7.0...
[INFO] checking fasttext-serving-0.7.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate fasttext-serving 0.7.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate fasttext-serving 0.7.0
[INFO] finished tweaking crates.io crate fasttext-serving 0.7.0
[INFO] tweaked toml for crates.io crate fasttext-serving 0.7.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fasttext-serving 0.7.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fasttext-serving 0.7.0 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded local-waker v0.1.3
[INFO] [stderr]   Downloaded actix-utils v3.0.1
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[INFO] [stderr]   Downloaded tokio-util v0.7.4
[INFO] [stderr]   Downloaded time v0.3.17
[INFO] [stderr]   Downloaded tower-http v0.3.5
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[INFO] [stderr]   Downloaded serde_json v1.0.91
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[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
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[INFO] [stderr]   Downloaded fasttext v0.7.3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c55896cd63bfc9203e077eaede651b1d1a91c900897d91b3fe93c15e3d8cd53
[INFO] running `Command { std: "docker" "start" "-a" "2c55896cd63bfc9203e077eaede651b1d1a91c900897d91b3fe93c15e3d8cd53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c55896cd63bfc9203e077eaede651b1d1a91c900897d91b3fe93c15e3d8cd53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c55896cd63bfc9203e077eaede651b1d1a91c900897d91b3fe93c15e3d8cd53", kill_on_drop: false }`
[INFO] [stdout] 2c55896cd63bfc9203e077eaede651b1d1a91c900897d91b3fe93c15e3d8cd53
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3567780d4950b6a7648b91e94d9ee9d722d7d566df47c580e4c404954d28795
[INFO] running `Command { std: "docker" "start" "-a" "a3567780d4950b6a7648b91e94d9ee9d722d7d566df47c580e4c404954d28795", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a3567780d4950b6a7648b91e94d9ee9d722d7d566df47c580e4c404954d28795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3567780d4950b6a7648b91e94d9ee9d722d7d566df47c580e4c404954d28795", kill_on_drop: false }`
[INFO] [stdout] a3567780d4950b6a7648b91e94d9ee9d722d7d566df47c580e4c404954d28795