[INFO] fetching crate image2 1.9.2...
[INFO] checking image2-1.9.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate image2 1.9.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate image2 1.9.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate image2 1.9.2
[INFO] tweaked toml for crates.io crate image2 1.9.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate image2 1.9.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate image2 1.9.2 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded cpp_macros v0.5.7
[INFO] [stderr]   Downloaded cpp_common v0.5.7
[INFO] [stderr]   Downloaded async-process v1.6.0
[INFO] [stderr]   Downloaded cpp_build v0.5.7
[INFO] [stderr]   Downloaded glow v0.12.0
[INFO] [stderr]   Downloaded cpp v0.5.7
[INFO] [stderr]   Downloaded glfw v0.51.0
[INFO] [stderr]   Downloaded glfw-sys v4.0.0+3.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40c6635b3fefebe5ea1804f7ce65137ab3ff280a6f613735e5052fbbd7d9ca4e
[INFO] running `Command { std: "docker" "start" "-a" "40c6635b3fefebe5ea1804f7ce65137ab3ff280a6f613735e5052fbbd7d9ca4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c6635b3fefebe5ea1804f7ce65137ab3ff280a6f613735e5052fbbd7d9ca4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c6635b3fefebe5ea1804f7ce65137ab3ff280a6f613735e5052fbbd7d9ca4e", kill_on_drop: false }`
[INFO] [stdout] 40c6635b3fefebe5ea1804f7ce65137ab3ff280a6f613735e5052fbbd7d9ca4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ae01e13e11d18e997f53da627c7e574125f2485ad7499650f63138aeb48925
[INFO] running `Command { std: "docker" "start" "-a" "e9ae01e13e11d18e997f53da627c7e574125f2485ad7499650f63138aeb48925", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 signal-hook v0.3.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking memmap2 v0.5.8
[INFO] [stderr]     Checking half v2.2.1
[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" "e9ae01e13e11d18e997f53da627c7e574125f2485ad7499650f63138aeb48925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ae01e13e11d18e997f53da627c7e574125f2485ad7499650f63138aeb48925", kill_on_drop: false }`
[INFO] [stdout] e9ae01e13e11d18e997f53da627c7e574125f2485ad7499650f63138aeb48925