[INFO] cloning repository https://github.com/PatrickStephansen/websynth [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PatrickStephansen/websynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickStephansen%2Fwebsynth", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickStephansen%2Fwebsynth'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0185c4509d9019a61b83336d8a4e35b25fb23921 [INFO] checking PatrickStephansen/websynth against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickStephansen%2Fwebsynth" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PatrickStephansen/websynth on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PatrickStephansen/websynth [INFO] finished tweaking git repo https://github.com/PatrickStephansen/websynth [INFO] tweaked toml for git repo https://github.com/PatrickStephansen/websynth written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/PatrickStephansen/websynth already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.15 [INFO] [stderr] Downloaded syn v0.14.7 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.15 [INFO] [stderr] Downloaded wasm-bindgen v0.2.15 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.15 [INFO] [stderr] Downloaded console_error_panic_hook v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 532c1a6e054ac0333bf3256434a74409e6e759c5c4c994884dc7d5e5661a3323 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "532c1a6e054ac0333bf3256434a74409e6e759c5c4c994884dc7d5e5661a3323", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "532c1a6e054ac0333bf3256434a74409e6e759c5c4c994884dc7d5e5661a3323", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "532c1a6e054ac0333bf3256434a74409e6e759c5c4c994884dc7d5e5661a3323", kill_on_drop: false }` [INFO] [stdout] 532c1a6e054ac0333bf3256434a74409e6e759c5c4c994884dc7d5e5661a3323 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6dadc7cc39d2ebf183d62b1659bdba7319b0527e6c5c2383f242ce61e8765747 [INFO] running `Command { std: "docker" "start" "-a" "6dadc7cc39d2ebf183d62b1659bdba7319b0527e6c5c2383f242ce61e8765747", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.15 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Checking rand_core v0.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Checking rand v0.5.0 [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27 [INFO] [stdout] | [INFO] [stdout] 347 | Span::Nightly(proc_macro::Span::def_site()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54724 for more information [INFO] [stdout] = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6dadc7cc39d2ebf183d62b1659bdba7319b0527e6c5c2383f242ce61e8765747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dadc7cc39d2ebf183d62b1659bdba7319b0527e6c5c2383f242ce61e8765747", kill_on_drop: false }` [INFO] [stdout] 6dadc7cc39d2ebf183d62b1659bdba7319b0527e6c5c2383f242ce61e8765747