[INFO] fetching crate mat2image 0.2.0...
[INFO] checking mat2image-0.2.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate mat2image 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mat2image 0.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mat2image 0.2.0
[INFO] finished tweaking crates.io crate mat2image 0.2.0
[INFO] tweaked toml for crates.io crate mat2image 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mat2image 0.2.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.34
[INFO] [stderr]   Downloaded opencv-binding-generator v0.52.0
[INFO] [stderr]   Downloaded rayon v1.6.0
[INFO] [stderr]   Downloaded tiff v0.8.0
[INFO] [stderr]   Downloaded opencv v0.74.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7df9c4ef156e9d801924b6e998bf171a646c38e9cf5f97f7cb409922a93ea2c1
[INFO] running `Command { std: "docker" "start" "-a" "7df9c4ef156e9d801924b6e998bf171a646c38e9cf5f97f7cb409922a93ea2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7df9c4ef156e9d801924b6e998bf171a646c38e9cf5f97f7cb409922a93ea2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df9c4ef156e9d801924b6e998bf171a646c38e9cf5f97f7cb409922a93ea2c1", kill_on_drop: false }`
[INFO] [stdout] 7df9c4ef156e9d801924b6e998bf171a646c38e9cf5f97f7cb409922a93ea2c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc29d6b221bed7a5411443e0337bc7c2110183b3c5d3beb207ee7479bc42b9da
[INFO] running `Command { std: "docker" "start" "-a" "bc29d6b221bed7a5411443e0337bc7c2110183b3c5d3beb207ee7479bc42b9da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling dunce v1.0.3
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[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]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling num-rational v0.4.1
[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" "bc29d6b221bed7a5411443e0337bc7c2110183b3c5d3beb207ee7479bc42b9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc29d6b221bed7a5411443e0337bc7c2110183b3c5d3beb207ee7479bc42b9da", kill_on_drop: false }`
[INFO] [stdout] bc29d6b221bed7a5411443e0337bc7c2110183b3c5d3beb207ee7479bc42b9da
[INFO] checking mat2image-0.2.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate mat2image 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mat2image 0.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mat2image 0.2.0
[INFO] finished tweaking crates.io crate mat2image 0.2.0
[INFO] tweaked toml for crates.io crate mat2image 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mat2image 0.2.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a626db77221df8c52a1993ae2ef2bd691a64965a6f59acab6a1acd4fa5aea3ff
[INFO] running `Command { std: "docker" "start" "-a" "a626db77221df8c52a1993ae2ef2bd691a64965a6f59acab6a1acd4fa5aea3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a626db77221df8c52a1993ae2ef2bd691a64965a6f59acab6a1acd4fa5aea3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a626db77221df8c52a1993ae2ef2bd691a64965a6f59acab6a1acd4fa5aea3ff", kill_on_drop: false }`
[INFO] [stdout] a626db77221df8c52a1993ae2ef2bd691a64965a6f59acab6a1acd4fa5aea3ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 3f4797ef8e2e4991c04d4548738b5a8e37209a2d8b82b30b0bec5753f3dde206
[INFO] running `Command { std: "docker" "start" "-a" "3f4797ef8e2e4991c04d4548738b5a8e37209a2d8b82b30b0bec5753f3dde206", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling dunce v1.0.3
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[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]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling num-rational v0.4.1
[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" "3f4797ef8e2e4991c04d4548738b5a8e37209a2d8b82b30b0bec5753f3dde206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4797ef8e2e4991c04d4548738b5a8e37209a2d8b82b30b0bec5753f3dde206", kill_on_drop: false }`
[INFO] [stdout] 3f4797ef8e2e4991c04d4548738b5a8e37209a2d8b82b30b0bec5753f3dde206
