[INFO] cloning repository https://github.com/FiloSottile/ed25519-dalek-rustgo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FiloSottile/ed25519-dalek-rustgo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiloSottile%2Fed25519-dalek-rustgo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiloSottile%2Fed25519-dalek-rustgo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a41908e3af01e057634a2c2d25c261f3f9c440b
[INFO] building FiloSottile/ed25519-dalek-rustgo against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFiloSottile%2Fed25519-dalek-rustgo" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FiloSottile/ed25519-dalek-rustgo 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/FiloSottile/ed25519-dalek-rustgo
[INFO] finished tweaking git repo https://github.com/FiloSottile/ed25519-dalek-rustgo
[INFO] tweaked toml for git repo https://github.com/FiloSottile/ed25519-dalek-rustgo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/FiloSottile/ed25519-dalek-rustgo 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]  Downloading crates ...
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded subtle v0.2.0
[INFO] [stderr]   Downloaded generic-array v0.8.2
[INFO] [stderr]   Downloaded curve25519-dalek v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6fe6afff583ec4eab4cd3d08a71a2d6aa38322da0f09b57ef8a99483f1d9d95
[INFO] running `Command { std: "docker" "start" "-a" "d6fe6afff583ec4eab4cd3d08a71a2d6aa38322da0f09b57ef8a99483f1d9d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6fe6afff583ec4eab4cd3d08a71a2d6aa38322da0f09b57ef8a99483f1d9d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fe6afff583ec4eab4cd3d08a71a2d6aa38322da0f09b57ef8a99483f1d9d95", kill_on_drop: false }`
[INFO] [stdout] d6fe6afff583ec4eab4cd3d08a71a2d6aa38322da0f09b57ef8a99483f1d9d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 296f74f1df579e19303a6bc0f68214aa2478fa37d15a82894fc7a7fc4d5f74a1
[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" "296f74f1df579e19303a6bc0f68214aa2478fa37d15a82894fc7a7fc4d5f74a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling subtle v0.2.0
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling generic-array v0.8.2
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling curve25519-dalek v0.10.0
[INFO] [stderr]    Compiling ed25519-dalek-rustgo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[allow(private_no_mangle_fns)] #[no_mangle] // rust-lang/rust#38281
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0259]: the name `compiler_builtins` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate compiler_builtins; // rust-lang/rust#43264
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `compiler_builtins` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `compiler_builtins` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate compiler_builtins as other_compiler_builtins; // rust-lang/rust#43264
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[lang = "panic_fmt"] fn panic_fmt() -> ! { unsafe { intrinsics::abort() } }
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate compiler_builtins; // rust-lang/rust#43264
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0259, E0522, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0259`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ed25519-dalek-rustgo`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "296f74f1df579e19303a6bc0f68214aa2478fa37d15a82894fc7a7fc4d5f74a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296f74f1df579e19303a6bc0f68214aa2478fa37d15a82894fc7a7fc4d5f74a1", kill_on_drop: false }`
[INFO] [stdout] 296f74f1df579e19303a6bc0f68214aa2478fa37d15a82894fc7a7fc4d5f74a1
