[INFO] cloning repository https://github.com/mmstick/fontfinder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmstick/fontfinder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Ffontfinder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Ffontfinder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eeb51f04148cb9b5bec0cf54a0d62d8246684d4
[INFO] checking mmstick/fontfinder against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Ffontfinder" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmstick/fontfinder on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmstick/fontfinder
[INFO] finished tweaking git repo https://github.com/mmstick/fontfinder
[INFO] tweaked toml for git repo https://github.com/mmstick/fontfinder written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mmstick/fontfinder 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-embed-impl v6.5.0
[INFO] [stderr]   Downloaded tinystr v0.7.1
[INFO] [stderr]   Downloaded unic-langid v0.9.1
[INFO] [stderr]   Downloaded i18n-embed v0.13.8
[INFO] [stderr]   Downloaded i18n-embed-fl v0.6.6
[INFO] [stderr]   Downloaded rust-embed-utils v7.5.0
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.1
[INFO] [stderr]   Downloaded cascade v1.0.1
[INFO] [stderr]   Downloaded i18n-embed-impl v0.8.0
[INFO] [stderr]   Downloaded ureq v2.6.2
[INFO] [stderr]   Downloaded field-offset v0.3.5
[INFO] [stderr]   Downloaded javascriptcore-rs-sys v1.0.0
[INFO] [stderr]   Downloaded webkit2gtk-sys v1.0.0
[INFO] [stderr]   Downloaded polling v2.7.0
[INFO] [stderr]   Downloaded cfg-expr v0.14.0
[INFO] [stderr]   Downloaded dirs v5.0.0
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] [stderr]   Downloaded fluent v0.16.0
[INFO] [stderr]   Downloaded javascriptcore-rs v1.0.0
[INFO] [stderr]   Downloaded system-deps v6.0.4
[INFO] [stderr]   Downloaded dirs-sys v0.4.0
[INFO] [stderr]   Downloaded horrorshow v0.8.4
[INFO] [stderr]   Downloaded self_cell v0.10.2
[INFO] [stderr]   Downloaded find-crate v0.6.3
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded closure v0.3.0
[INFO] [stderr]   Downloaded i18n-config v0.4.3
[INFO] [stderr]   Downloaded webkit2gtk v1.0.0
[INFO] [stderr]   Downloaded glib v0.16.7
[INFO] [stderr]   Downloaded rust-embed v6.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e18c4dcb9175015476e69759835540c99f2a174f0c8c3a9b5398244b3b1533bb
[INFO] running `Command { std: "docker" "start" "-a" "e18c4dcb9175015476e69759835540c99f2a174f0c8c3a9b5398244b3b1533bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18c4dcb9175015476e69759835540c99f2a174f0c8c3a9b5398244b3b1533bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18c4dcb9175015476e69759835540c99f2a174f0c8c3a9b5398244b3b1533bb", kill_on_drop: false }`
[INFO] [stdout] e18c4dcb9175015476e69759835540c99f2a174f0c8c3a9b5398244b3b1533bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4653a25c293da6590777437f060124ffee808d66dfdeba13861d443896650138
[INFO] running `Command { std: "docker" "start" "-a" "4653a25c293da6590777437f060124ffee808d66dfdeba13861d443896650138", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling gio v0.16.7
[INFO] [stderr]    Compiling type-map v0.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 io-lifetimes v1.0.10
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling polling v2.7.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustix v0.37.11
[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" "4653a25c293da6590777437f060124ffee808d66dfdeba13861d443896650138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4653a25c293da6590777437f060124ffee808d66dfdeba13861d443896650138", kill_on_drop: false }`
[INFO] [stdout] 4653a25c293da6590777437f060124ffee808d66dfdeba13861d443896650138