[INFO] fetching crate neural-network-rs 0.1.4...
[INFO] checking neural-network-rs-0.1.4 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate neural-network-rs 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate neural-network-rs 0.1.4 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] started tweaking crates.io crate neural-network-rs 0.1.4
[INFO] finished tweaking crates.io crate neural-network-rs 0.1.4
[INFO] tweaked toml for crates.io crate neural-network-rs 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate neural-network-rs 0.1.4 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] warning: file `/workspace/builds/worker-1-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `neural_network_rs`
[INFO] [stderr]   * `bin` target `neural-network-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.78
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.78
[INFO] [stderr]   Downloaded cxx v1.0.78
[INFO] [stderr]   Downloaded cxx-build v1.0.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5327dcdabf1273845e2be585c40f74c0e17a3af7712732cf72d3cfcb3703d5a6
[INFO] running `Command { std: "docker" "start" "-a" "5327dcdabf1273845e2be585c40f74c0e17a3af7712732cf72d3cfcb3703d5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5327dcdabf1273845e2be585c40f74c0e17a3af7712732cf72d3cfcb3703d5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5327dcdabf1273845e2be585c40f74c0e17a3af7712732cf72d3cfcb3703d5a6", kill_on_drop: false }`
[INFO] [stdout] 5327dcdabf1273845e2be585c40f74c0e17a3af7712732cf72d3cfcb3703d5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 42173459f8e244e125d274594b6d10bf4e234a0e9530d07ff6aa98f59d801b50
[INFO] running `Command { std: "docker" "start" "-a" "42173459f8e244e125d274594b6d10bf4e234a0e9530d07ff6aa98f59d801b50", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `neural_network_rs`
[INFO] [stderr]   * `bin` target `neural-network-rs`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.51
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking itertools v0.8.2
[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" "42173459f8e244e125d274594b6d10bf4e234a0e9530d07ff6aa98f59d801b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42173459f8e244e125d274594b6d10bf4e234a0e9530d07ff6aa98f59d801b50", kill_on_drop: false }`
[INFO] [stdout] 42173459f8e244e125d274594b6d10bf4e234a0e9530d07ff6aa98f59d801b50
[INFO] checking neural-network-rs-0.1.4 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate neural-network-rs 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate neural-network-rs 0.1.4 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neural-network-rs 0.1.4
[INFO] finished tweaking crates.io crate neural-network-rs 0.1.4
[INFO] tweaked toml for crates.io crate neural-network-rs 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate neural-network-rs 0.1.4 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-1-tc2/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `neural_network_rs`
[INFO] [stderr]   * `bin` target `neural-network-rs`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c674e4ad20a19c9967250bdfbb737259ff852130197e819bc9bee9499a56e75a
[INFO] running `Command { std: "docker" "start" "-a" "c674e4ad20a19c9967250bdfbb737259ff852130197e819bc9bee9499a56e75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c674e4ad20a19c9967250bdfbb737259ff852130197e819bc9bee9499a56e75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c674e4ad20a19c9967250bdfbb737259ff852130197e819bc9bee9499a56e75a", kill_on_drop: false }`
[INFO] [stdout] c674e4ad20a19c9967250bdfbb737259ff852130197e819bc9bee9499a56e75a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260c99e454435d79e969c90ad84c7ea7c9a99c5de12a8926b89b5437519c61cf
[INFO] running `Command { std: "docker" "start" "-a" "260c99e454435d79e969c90ad84c7ea7c9a99c5de12a8926b89b5437519c61cf", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `neural_network_rs`
[INFO] [stderr]   * `bin` target `neural-network-rs`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking iana-time-zone v0.1.51
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 cmake v0.1.48
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking itertools v0.8.2
[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" "260c99e454435d79e969c90ad84c7ea7c9a99c5de12a8926b89b5437519c61cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260c99e454435d79e969c90ad84c7ea7c9a99c5de12a8926b89b5437519c61cf", kill_on_drop: false }`
[INFO] [stdout] 260c99e454435d79e969c90ad84c7ea7c9a99c5de12a8926b89b5437519c61cf
