[INFO] fetching crate feature-probe-server 2.0.1...
[INFO] checking feature-probe-server-2.0.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate feature-probe-server 2.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate feature-probe-server 2.0.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate feature-probe-server 2.0.1
[INFO] finished tweaking crates.io crate feature-probe-server 2.0.1
[INFO] tweaked toml for crates.io crate feature-probe-server 2.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate feature-probe-server 2.0.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.9
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded enum-iterator-derive v1.1.0
[INFO] [stderr]   Downloaded enum-iterator v1.1.3
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded backoff v0.4.0
[INFO] [stderr]   Downloaded axum-macros v0.2.3
[INFO] [stderr]   Downloaded pest v2.4.0
[INFO] [stderr]   Downloaded tower-http v0.3.4
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]   Downloaded tower-http v0.2.5
[INFO] [stderr]   Downloaded axum-extra v0.2.1
[INFO] [stderr]   Downloaded engineio-rs v0.1.5
[INFO] [stderr]   Downloaded vergen v7.4.2
[INFO] [stderr]   Downloaded feature-probe-event v1.1.3
[INFO] [stderr]   Downloaded socketio-rs v0.1.7
[INFO] [stderr]   Downloaded pest_meta v2.4.0
[INFO] [stderr]   Downloaded pest_generator v2.4.0
[INFO] [stderr]   Downloaded pest_derive v2.4.0
[INFO] [stderr]   Downloaded dlv-list v0.3.0
[INFO] [stderr]   Downloaded ordered-multimap v0.4.3
[INFO] [stderr]   Downloaded rust-ini v0.18.0
[INFO] [stderr]   Downloaded config v0.13.2
[INFO] [stderr]   Downloaded axum-core v0.2.9
[INFO] [stderr]   Downloaded matchit v0.5.0
[INFO] [stderr]   Downloaded sync_wrapper v0.1.1
[INFO] [stderr]   Downloaded axum v0.5.17
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded feature-probe-server-sdk v1.2.12
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded sysinfo v0.26.7
[INFO] [stderr]   Downloaded minstant v0.1.2
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 016309520db6102f6ebbd15d12dde69bd0db4695552f7d2e2d1b453e4a460754
[INFO] running `Command { std: "docker" "start" "-a" "016309520db6102f6ebbd15d12dde69bd0db4695552f7d2e2d1b453e4a460754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "016309520db6102f6ebbd15d12dde69bd0db4695552f7d2e2d1b453e4a460754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016309520db6102f6ebbd15d12dde69bd0db4695552f7d2e2d1b453e4a460754", kill_on_drop: false }`
[INFO] [stdout] 016309520db6102f6ebbd15d12dde69bd0db4695552f7d2e2d1b453e4a460754
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df016be6eea1fc632ba64ad823d5aa07ed6aa9718327fbfeb3cafd86ea112f3b
[INFO] running `Command { std: "docker" "start" "-a" "df016be6eea1fc632ba64ad823d5aa07ed6aa9718327fbfeb3cafd86ea112f3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 futures-io v0.3.25
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking generic-array v0.14.6
[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" "df016be6eea1fc632ba64ad823d5aa07ed6aa9718327fbfeb3cafd86ea112f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df016be6eea1fc632ba64ad823d5aa07ed6aa9718327fbfeb3cafd86ea112f3b", kill_on_drop: false }`
[INFO] [stdout] df016be6eea1fc632ba64ad823d5aa07ed6aa9718327fbfeb3cafd86ea112f3b
