[INFO] cloning repository https://github.com/illicitonion/syn-repro-enum-tuple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/illicitonion/syn-repro-enum-tuple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillicitonion%2Fsyn-repro-enum-tuple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillicitonion%2Fsyn-repro-enum-tuple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4963570710dba76952d7884be484f41f9857b0a9
[INFO] testing illicitonion/syn-repro-enum-tuple against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillicitonion%2Fsyn-repro-enum-tuple" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/illicitonion/syn-repro-enum-tuple on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/illicitonion/syn-repro-enum-tuple
[INFO] finished tweaking git repo https://github.com/illicitonion/syn-repro-enum-tuple
[INFO] tweaked toml for git repo https://github.com/illicitonion/syn-repro-enum-tuple written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/illicitonion/syn-repro-enum-tuple already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] efa3abdd19f21dc3bed6f50b6935492965871ea1f4bc9cb691bca51628a55a5e
[INFO] running `Command { std: "docker" "start" "-a" "efa3abdd19f21dc3bed6f50b6935492965871ea1f4bc9cb691bca51628a55a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa3abdd19f21dc3bed6f50b6935492965871ea1f4bc9cb691bca51628a55a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa3abdd19f21dc3bed6f50b6935492965871ea1f4bc9cb691bca51628a55a5e", kill_on_drop: false }`
[INFO] [stdout] efa3abdd19f21dc3bed6f50b6935492965871ea1f4bc9cb691bca51628a55a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 930bd51b702d786d63c11d419d2ac23d27cd5e3bbab3812e838aa4fe07c3dcef
[INFO] running `Command { std: "docker" "start" "-a" "930bd51b702d786d63c11d419d2ac23d27cd5e3bbab3812e838aa4fe07c3dcef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.19
[INFO] [stderr]    Compiling syn-repro-enum-tuple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token
[INFO] [stdout]  --> src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Zero = (0, 1).0,
[INFO] [stdout]   |              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn-repro-enum-tuple`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "930bd51b702d786d63c11d419d2ac23d27cd5e3bbab3812e838aa4fe07c3dcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930bd51b702d786d63c11d419d2ac23d27cd5e3bbab3812e838aa4fe07c3dcef", kill_on_drop: false }`
[INFO] [stdout] 930bd51b702d786d63c11d419d2ac23d27cd5e3bbab3812e838aa4fe07c3dcef