[INFO] fetching crate darknet 0.4.0...
[INFO] checking darknet-0.4.0 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate darknet 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate darknet 0.4.0 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darknet 0.4.0
[INFO] finished tweaking crates.io crate darknet 0.4.0
[INFO] tweaked toml for crates.io crate darknet 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate darknet 0.4.0 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.4.0
[INFO] [stderr]   Downloaded lebe v0.5.2
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded zune-inflate v0.2.54
[INFO] [stderr]   Downloaded bytemuck v1.12.3
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded argh_shared v0.1.9
[INFO] [stderr]   Downloaded argh_derive v0.1.9
[INFO] [stderr]   Downloaded fdeflate v0.3.0
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded spin v0.9.8
[INFO] [stderr]   Downloaded openssl-sys v0.9.79
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded gif v0.12.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] [stderr]   Downloaded png v0.17.8
[INFO] [stderr]   Downloaded qoi v0.4.1
[INFO] [stderr]   Downloaded rayon v1.6.1
[INFO] [stderr]   Downloaded serde v1.0.150
[INFO] [stderr]   Downloaded openssl v0.10.44
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded prettyplease v0.2.4
[INFO] [stderr]   Downloaded bindgen v0.65.1
[INFO] [stderr]   Downloaded image v0.24.6
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded libloading v0.7.4
[INFO] [stderr]   Downloaded clang-sys v1.4.0
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded cexpr v0.6.0
[INFO] [stderr]   Downloaded argh v0.1.9
[INFO] [stderr]   Downloaded darknet-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c489129fc2cd30dd6c53d3dcc3f465fc02c0e833a06a8410ee1a2cd0ec2265cf
[INFO] running `Command { std: "docker" "start" "-a" "c489129fc2cd30dd6c53d3dcc3f465fc02c0e833a06a8410ee1a2cd0ec2265cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c489129fc2cd30dd6c53d3dcc3f465fc02c0e833a06a8410ee1a2cd0ec2265cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c489129fc2cd30dd6c53d3dcc3f465fc02c0e833a06a8410ee1a2cd0ec2265cf", kill_on_drop: false }`
[INFO] [stdout] c489129fc2cd30dd6c53d3dcc3f465fc02c0e833a06a8410ee1a2cd0ec2265cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a6e43f217e503fa792b9f84c08dc2aae354553731d98b0b95343ad175ddaed5
[INFO] running `Command { std: "docker" "start" "-a" "2a6e43f217e503fa792b9f84c08dc2aae354553731d98b0b95343ad175ddaed5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling prettyplease v0.2.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 libloading v0.7.4
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error: aborting due to 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" "2a6e43f217e503fa792b9f84c08dc2aae354553731d98b0b95343ad175ddaed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6e43f217e503fa792b9f84c08dc2aae354553731d98b0b95343ad175ddaed5", kill_on_drop: false }`
[INFO] [stdout] 2a6e43f217e503fa792b9f84c08dc2aae354553731d98b0b95343ad175ddaed5