[INFO] cloning repository https://github.com/starptr/butterfly [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/starptr/butterfly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarptr%2Fbutterfly", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarptr%2Fbutterfly'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bf219f303bb0f9a0739e74d5646ab3220244fe5 [INFO] checking starptr/butterfly against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarptr%2Fbutterfly" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/starptr/butterfly on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/starptr/butterfly [INFO] finished tweaking git repo https://github.com/starptr/butterfly [INFO] tweaked toml for git repo https://github.com/starptr/butterfly written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/starptr/butterfly 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const-str v0.5.3 [INFO] [stderr] Downloaded worker-sys v0.0.8 [INFO] [stderr] Downloaded worker-macros v0.0.8 [INFO] [stderr] Downloaded worker v0.0.14 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9e390c49b680349e26615b0d26d7fa1ac21e5d51b3c3f87a99375ee7c040fbc [INFO] running `Command { std: "docker" "start" "-a" "f9e390c49b680349e26615b0d26d7fa1ac21e5d51b3c3f87a99375ee7c040fbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9e390c49b680349e26615b0d26d7fa1ac21e5d51b3c3f87a99375ee7c040fbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9e390c49b680349e26615b0d26d7fa1ac21e5d51b3c3f87a99375ee7c040fbc", kill_on_drop: false }` [INFO] [stdout] f9e390c49b680349e26615b0d26d7fa1ac21e5d51b3c3f87a99375ee7c040fbc [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79ea55a99eab6bb8666e836881f0450fc8fa565387a138bd0fc64579e666b48b [INFO] running `Command { std: "docker" "start" "-a" "79ea55a99eab6bb8666e836881f0450fc8fa565387a138bd0fc64579e666b48b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.54 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.84 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling bumpalo v3.12.0 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling wasm-bindgen v0.2.84 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling serde_derive v1.0.159 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.54/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 futures-core v0.3.27 [INFO] [stderr] Compiling uncased v0.9.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [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 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "79ea55a99eab6bb8666e836881f0450fc8fa565387a138bd0fc64579e666b48b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79ea55a99eab6bb8666e836881f0450fc8fa565387a138bd0fc64579e666b48b", kill_on_drop: false }` [INFO] [stdout] 79ea55a99eab6bb8666e836881f0450fc8fa565387a138bd0fc64579e666b48b [INFO] checking starptr/butterfly against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarptr%2Fbutterfly" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/starptr/butterfly on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/starptr/butterfly [INFO] finished tweaking git repo https://github.com/starptr/butterfly [INFO] tweaked toml for git repo https://github.com/starptr/butterfly written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/starptr/butterfly 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49435e9bb7160ffbc96e5b91ee777a193dbc03c8d43e41acd060b6f794753c42 [INFO] running `Command { std: "docker" "start" "-a" "49435e9bb7160ffbc96e5b91ee777a193dbc03c8d43e41acd060b6f794753c42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49435e9bb7160ffbc96e5b91ee777a193dbc03c8d43e41acd060b6f794753c42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49435e9bb7160ffbc96e5b91ee777a193dbc03c8d43e41acd060b6f794753c42", kill_on_drop: false }` [INFO] [stdout] 49435e9bb7160ffbc96e5b91ee777a193dbc03c8d43e41acd060b6f794753c42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42a20e297cd85c2ac673b654ec6d95ae23873d79c6e8811887c7b86f507f32e7 [INFO] running `Command { std: "docker" "start" "-a" "42a20e297cd85c2ac673b654ec6d95ae23873d79c6e8811887c7b86f507f32e7", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "42a20e297cd85c2ac673b654ec6d95ae23873d79c6e8811887c7b86f507f32e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42a20e297cd85c2ac673b654ec6d95ae23873d79c6e8811887c7b86f507f32e7", kill_on_drop: false }` [INFO] [stdout] 42a20e297cd85c2ac673b654ec6d95ae23873d79c6e8811887c7b86f507f32e7