[INFO] cloning repository https://github.com/dc7290/plugin-next-export-optimize-images
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dc7290/plugin-next-export-optimize-images" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdc7290%2Fplugin-next-export-optimize-images", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdc7290%2Fplugin-next-export-optimize-images'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36ece803d4ad9b556d0ad4961b72ae9b0d5a41a6
[INFO] checking dc7290/plugin-next-export-optimize-images against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdc7290%2Fplugin-next-export-optimize-images" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dc7290/plugin-next-export-optimize-images
[INFO] finished tweaking git repo https://github.com/dc7290/plugin-next-export-optimize-images
[INFO] tweaked toml for git repo https://github.com/dc7290/plugin-next-export-optimize-images written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dc7290/plugin-next-export-optimize-images on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dc7290/plugin-next-export-optimize-images 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06f34a3c3b86e2d06d0a37f6ea5cd4b9af5cd4faa23be7881304815aa8a53573
[INFO] running `Command { std: "docker" "start" "-a" "06f34a3c3b86e2d06d0a37f6ea5cd4b9af5cd4faa23be7881304815aa8a53573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06f34a3c3b86e2d06d0a37f6ea5cd4b9af5cd4faa23be7881304815aa8a53573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f34a3c3b86e2d06d0a37f6ea5cd4b9af5cd4faa23be7881304815aa8a53573", kill_on_drop: false }`
[INFO] [stdout] 06f34a3c3b86e2d06d0a37f6ea5cd4b9af5cd4faa23be7881304815aa8a53573
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b649770ede8e321f7931f6e975e8f04ddc993292106d21e1ad1df197af1be348
[INFO] running `Command { std: "docker" "start" "-a" "b649770ede8e321f7931f6e975e8f04ddc993292106d21e1ad1df197af1be348", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling bytecheck v0.6.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 ahash v0.7.6
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rend v0.4.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b649770ede8e321f7931f6e975e8f04ddc993292106d21e1ad1df197af1be348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b649770ede8e321f7931f6e975e8f04ddc993292106d21e1ad1df197af1be348", kill_on_drop: false }`
[INFO] [stdout] b649770ede8e321f7931f6e975e8f04ddc993292106d21e1ad1df197af1be348