[INFO] fetching crate rvsp 0.1.2...
[INFO] testing rvsp-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rvsp 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rvsp 0.1.2
[INFO] finished tweaking crates.io crate rvsp 0.1.2
[INFO] tweaked toml for crates.io crate rvsp 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rvsp 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rvsp 0.1.2 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd53e52a1cc6ef11411c601ba986046d90a33ab20a934a95a97439acd3e00cb0
[INFO] running `Command { std: "docker" "start" "-a" "dd53e52a1cc6ef11411c601ba986046d90a33ab20a934a95a97439acd3e00cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd53e52a1cc6ef11411c601ba986046d90a33ab20a934a95a97439acd3e00cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd53e52a1cc6ef11411c601ba986046d90a33ab20a934a95a97439acd3e00cb0", kill_on_drop: false }`
[INFO] [stdout] dd53e52a1cc6ef11411c601ba986046d90a33ab20a934a95a97439acd3e00cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5687561e889f017628c314da0fa7a7ad771b06f04df149b42b9834e6a54dd0b4
[INFO] running `Command { std: "docker" "start" "-a" "5687561e889f017628c314da0fa7a7ad771b06f04df149b42b9834e6a54dd0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling io-lifetimes v1.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling rustix v0.36.3
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling linux-raw-sys v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling primal-check v0.3.3
[INFO] [stderr]    Compiling transpose v0.2.2
[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]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[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" "5687561e889f017628c314da0fa7a7ad771b06f04df149b42b9834e6a54dd0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5687561e889f017628c314da0fa7a7ad771b06f04df149b42b9834e6a54dd0b4", kill_on_drop: false }`
[INFO] [stdout] 5687561e889f017628c314da0fa7a7ad771b06f04df149b42b9834e6a54dd0b4