[INFO] cloning repository https://github.com/richardlett/VariadicMonoids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardlett/VariadicMonoids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardlett%2FVariadicMonoids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardlett%2FVariadicMonoids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00a2e1c90e2cccb33fba4a0aa0d949b338d976ef
[INFO] building richardlett/VariadicMonoids against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardlett%2FVariadicMonoids" "/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/richardlett/VariadicMonoids on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richardlett/VariadicMonoids
[INFO] finished tweaking git repo https://github.com/richardlett/VariadicMonoids
[INFO] tweaked toml for git repo https://github.com/richardlett/VariadicMonoids written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/richardlett/VariadicMonoids already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eaefc5646ce1dab6b92082e40cbde2d71a6fdb2d2f7e8599642ceca95eda776
[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" "8eaefc5646ce1dab6b92082e40cbde2d71a6fdb2d2f7e8599642ceca95eda776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eaefc5646ce1dab6b92082e40cbde2d71a6fdb2d2f7e8599642ceca95eda776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eaefc5646ce1dab6b92082e40cbde2d71a6fdb2d2f7e8599642ceca95eda776", kill_on_drop: false }`
[INFO] [stdout] 8eaefc5646ce1dab6b92082e40cbde2d71a6fdb2d2f7e8599642ceca95eda776
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ae5a0971af98681c53888c3eaf48428ec9f9090aecf1b8abc0553d7f106bd1
[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" "28ae5a0971af98681c53888c3eaf48428ec9f9090aecf1b8abc0553d7f106bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuple_list v0.1.2
[INFO] [stderr]    Compiling variadic_monoids v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable
[INFO] [stdout]   --> src/lib.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub const fn gen_function<T: ?Sized+ PartialEq+ Eq, N>() -> VariFunc<T, N> {
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
[INFO] [stdout]    = help: add `#![feature(const_fn_trait_bound)]` 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 `variadic_monoids`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "28ae5a0971af98681c53888c3eaf48428ec9f9090aecf1b8abc0553d7f106bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ae5a0971af98681c53888c3eaf48428ec9f9090aecf1b8abc0553d7f106bd1", kill_on_drop: false }`
[INFO] [stdout] 28ae5a0971af98681c53888c3eaf48428ec9f9090aecf1b8abc0553d7f106bd1
