[INFO] cloning repository https://github.com/ColbyCypherSociety/ChatDemo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColbyCypherSociety/ChatDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColbyCypherSociety%2FChatDemo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColbyCypherSociety%2FChatDemo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c2391202d6c30fef54813e5cdfa601dec45d3d3 [INFO] checking ColbyCypherSociety/ChatDemo against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColbyCypherSociety%2FChatDemo" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ColbyCypherSociety/ChatDemo on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ColbyCypherSociety/ChatDemo [INFO] finished tweaking git repo https://github.com/ColbyCypherSociety/ChatDemo [INFO] tweaked toml for git repo https://github.com/ColbyCypherSociety/ChatDemo written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ColbyCypherSociety/ChatDemo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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 itoa v0.4.2 [INFO] [stderr] Downloaded serde_json v1.0.26 [INFO] [stderr] Downloaded num-complex v0.2.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.13 [INFO] [stderr] Downloaded quote v0.6.6 [INFO] [stderr] Downloaded log v0.4.4 [INFO] [stderr] Downloaded serde_derive v1.0.71 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.17 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.17 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.17 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.17 [INFO] [stderr] Downloaded serde v1.0.71 [INFO] [stderr] Downloaded num-bigint v0.2.0 [INFO] [stderr] Downloaded ryu v0.2.4 [INFO] [stderr] Downloaded wasm-bindgen v0.2.17 [INFO] [stderr] Downloaded syn v0.14.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f43e7d444295b70454f22edeee69cd07bc12c35b591711cff2dada9003c2e96a [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" "f43e7d444295b70454f22edeee69cd07bc12c35b591711cff2dada9003c2e96a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f43e7d444295b70454f22edeee69cd07bc12c35b591711cff2dada9003c2e96a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f43e7d444295b70454f22edeee69cd07bc12c35b591711cff2dada9003c2e96a", kill_on_drop: false }` [INFO] [stdout] f43e7d444295b70454f22edeee69cd07bc12c35b591711cff2dada9003c2e96a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8712dc96798e9bd742ee36c0c0c461e062bedc63091a86290534043c6c1f6d2 [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" "f8712dc96798e9bd742ee36c0c0c461e062bedc63091a86290534043c6c1f6d2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Compiling ryu v0.2.4 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling log v0.4.4 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking rand v0.5.5 [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-macro2-0.4.13/src/unstable.rs:359:27 [INFO] [stdout] | [INFO] [stdout] 359 | 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" "f8712dc96798e9bd742ee36c0c0c461e062bedc63091a86290534043c6c1f6d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8712dc96798e9bd742ee36c0c0c461e062bedc63091a86290534043c6c1f6d2", kill_on_drop: false }` [INFO] [stdout] f8712dc96798e9bd742ee36c0c0c461e062bedc63091a86290534043c6c1f6d2