[INFO] fetching crate repo_icons 0.3.3...
[INFO] building repo_icons-0.3.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate repo_icons 0.3.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate repo_icons 0.3.3
[INFO] finished tweaking crates.io crate repo_icons 0.3.3
[INFO] tweaked toml for crates.io crate repo_icons 0.3.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate repo_icons 0.3.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate repo_icons 0.3.3 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec1 v1.10.1
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded scraper v0.13.0
[INFO] [stderr]   Downloaded markup5ever v0.11.0
[INFO] [stderr]   Downloaded serde_with_macros v2.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded exr v1.5.2
[INFO] [stderr]   Downloaded cached_proc_macro v0.6.2
[INFO] [stderr]   Downloaded gh_api v0.3.0
[INFO] [stderr]   Downloaded mime-parse-4 v0.0.0
[INFO] [stderr]   Downloaded cssparser-macros v0.6.0
[INFO] [stderr]   Downloaded servo_arc v0.1.1
[INFO] [stderr]   Downloaded weezl v0.1.7
[INFO] [stderr]   Downloaded async-recursion v1.0.0
[INFO] [stderr]   Downloaded fancy-regex v0.10.0
[INFO] [stderr]   Downloaded dtoa-short v0.3.3
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded async-trait v0.1.60
[INFO] [stderr]   Downloaded reqwest-wasm v0.11.15
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[INFO] [stderr]   Downloaded spin v0.9.4
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[INFO] [stderr]   Downloaded clap_derive v3.2.18
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[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded ego-tree v0.6.2
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.2
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded phf_macros v0.8.0
[INFO] [stderr]   Downloaded phf v0.8.0
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[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded tokio v1.23.0
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.0
[INFO] [stderr]   Downloaded cached v0.23.0
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded mime_4 v0.4.0-a.0
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[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded serde_with v2.1.0
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded site_icons v0.4.1
[INFO] [stderr]   Downloaded tendril v0.4.3
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] [stderr]   Downloaded image v0.24.5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a56c6590b77bf7e7995409f0a54616e9273b13d6de60abe1a76376c8c76b3d8
[INFO] running `Command { std: "docker" "start" "-a" "1a56c6590b77bf7e7995409f0a54616e9273b13d6de60abe1a76376c8c76b3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a56c6590b77bf7e7995409f0a54616e9273b13d6de60abe1a76376c8c76b3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a56c6590b77bf7e7995409f0a54616e9273b13d6de60abe1a76376c8c76b3d8", kill_on_drop: false }`
[INFO] [stdout] 1a56c6590b77bf7e7995409f0a54616e9273b13d6de60abe1a76376c8c76b3d8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7064c6963afc1d6d719813b3874da584514fbbb08ac5542d3049a8011d5a7f8c
[INFO] running `Command { std: "docker" "start" "-a" "7064c6963afc1d6d719813b3874da584514fbbb08ac5542d3049a8011d5a7f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 itoa v1.0.5
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.26
[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" "7064c6963afc1d6d719813b3874da584514fbbb08ac5542d3049a8011d5a7f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7064c6963afc1d6d719813b3874da584514fbbb08ac5542d3049a8011d5a7f8c", kill_on_drop: false }`
[INFO] [stdout] 7064c6963afc1d6d719813b3874da584514fbbb08ac5542d3049a8011d5a7f8c