[INFO] cloning repository https://github.com/main--/stereo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/main--/stereo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmain--%2Fstereo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmain--%2Fstereo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 995be7b295a1bad29d435818f533c57d6f348f63
[INFO] checking main--/stereo against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmain--%2Fstereo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/main--/stereo on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/main--/stereo
[INFO] finished tweaking git repo https://github.com/main--/stereo
[INFO] tweaked toml for git repo https://github.com/main--/stereo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/main--/stereo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cstr-macro v0.1.0
[INFO] [stderr]   Downloaded cexpr v0.2.2
[INFO] [stderr]   Downloaded clang-sys v0.19.0
[INFO] [stderr]   Downloaded bindgen v0.26.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c23c5c0c74e74a7ba58446632289ec5dfe101757d1884bf23faa0ae4249fb8e8
[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" "c23c5c0c74e74a7ba58446632289ec5dfe101757d1884bf23faa0ae4249fb8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23c5c0c74e74a7ba58446632289ec5dfe101757d1884bf23faa0ae4249fb8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23c5c0c74e74a7ba58446632289ec5dfe101757d1884bf23faa0ae4249fb8e8", kill_on_drop: false }`
[INFO] [stdout] c23c5c0c74e74a7ba58446632289ec5dfe101757d1884bf23faa0ae4249fb8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta" "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] 587fc2df419b5e000efc32324e0a6288a3f7845b00eb251e7b71b4318937d2b7
[INFO] running `Command { std: "docker" "start" "-a" "587fc2df419b5e000efc32324e0a6288a3f7845b00eb251e7b71b4318937d2b7", 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]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]     Checking widestring v0.2.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling clang-sys v0.19.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]    Compiling cexpr v0.2.2
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stdout] error[E0423]: expected function, tuple struct or tuple variant, found struct `ast::Name`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.58.1/src/symbol.rs:146:27
[INFO] [stdout]     |
[INFO] [stdout] 146 |                       name: ast::Name($index),
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | / declare_keywords! {
[INFO] [stdout] 166 | |     // Invalid identifier
[INFO] [stdout] 167 | |     (0,  Invalid,        "")
[INFO] [stdout] 168 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |     (56, CrateRoot, "{{root}}")
[INFO] [stdout] 232 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_syntax`
[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" "587fc2df419b5e000efc32324e0a6288a3f7845b00eb251e7b71b4318937d2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587fc2df419b5e000efc32324e0a6288a3f7845b00eb251e7b71b4318937d2b7", kill_on_drop: false }`
[INFO] [stdout] 587fc2df419b5e000efc32324e0a6288a3f7845b00eb251e7b71b4318937d2b7