[INFO] fetching crate svg-diff 0.0.6...
[INFO] checking svg-diff-0.0.6 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate svg-diff 0.0.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate svg-diff 0.0.6
[INFO] finished tweaking crates.io crate svg-diff 0.0.6
[INFO] tweaked toml for crates.io crate svg-diff 0.0.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate svg-diff 0.0.6 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate svg-diff 0.0.6 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.9.13
[INFO] [stderr]   Downloaded actix-files v0.6.2
[INFO] [stderr]   Downloaded napi-sys v2.2.2
[INFO] [stderr]   Downloaded napi-build v2.0.1
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded napi-derive v2.9.1
[INFO] [stderr]   Downloaded napi-derive-backend v1.0.38
[INFO] [stderr]   Downloaded svg v0.12.0
[INFO] [stderr]   Downloaded flange-flat-tree v0.2.2
[INFO] [stderr]   Downloaded napi v2.10.0
[INFO] [stderr]   Downloaded pikchr v0.1.1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d0041b06b99f5eb746c162fcafcc890903bad523699e4f0ac989d796e8056f0
[INFO] running `Command { std: "docker" "start" "-a" "9d0041b06b99f5eb746c162fcafcc890903bad523699e4f0ac989d796e8056f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d0041b06b99f5eb746c162fcafcc890903bad523699e4f0ac989d796e8056f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0041b06b99f5eb746c162fcafcc890903bad523699e4f0ac989d796e8056f0", kill_on_drop: false }`
[INFO] [stdout] 9d0041b06b99f5eb746c162fcafcc890903bad523699e4f0ac989d796e8056f0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3439bb1767bdf15ac21ba0d102abf06dd97f88d5458bbc4f95a3deae4f940f87
[INFO] running `Command { std: "docker" "start" "-a" "3439bb1767bdf15ac21ba0d102abf06dd97f88d5458bbc4f95a3deae4f940f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.146
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde v1.0.146
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[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" "3439bb1767bdf15ac21ba0d102abf06dd97f88d5458bbc4f95a3deae4f940f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3439bb1767bdf15ac21ba0d102abf06dd97f88d5458bbc4f95a3deae4f940f87", kill_on_drop: false }`
[INFO] [stdout] 3439bb1767bdf15ac21ba0d102abf06dd97f88d5458bbc4f95a3deae4f940f87
