[INFO] cloning repository https://github.com/Freaky/unprivileged
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Freaky/unprivileged" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreaky%2Funprivileged", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreaky%2Funprivileged'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84e32115fc1cd8279d5268454c347e2427be350c
[INFO] testing Freaky/unprivileged against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreaky%2Funprivileged" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Freaky/unprivileged on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Freaky/unprivileged
[INFO] finished tweaking git repo https://github.com/Freaky/unprivileged
[INFO] tweaked toml for git repo https://github.com/Freaky/unprivileged written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Freaky/unprivileged already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89bd2b98300994c567b221c63cd8b2973b1cfb3de2fb8867b6fe8d236a352f23
[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" "89bd2b98300994c567b221c63cd8b2973b1cfb3de2fb8867b6fe8d236a352f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89bd2b98300994c567b221c63cd8b2973b1cfb3de2fb8867b6fe8d236a352f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bd2b98300994c567b221c63cd8b2973b1cfb3de2fb8867b6fe8d236a352f23", kill_on_drop: false }`
[INFO] [stdout] 89bd2b98300994c567b221c63cd8b2973b1cfb3de2fb8867b6fe8d236a352f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 65fb473911640cc3d8f6e554da617985cfae3cf0f52ac859517833101d49338b
[INFO] running `Command { std: "docker" "start" "-a" "65fb473911640cc3d8f6e554da617985cfae3cf0f52ac859517833101d49338b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling unprivileged v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/platform/unix/user.rs:127:37
[INFO] [stdout]     |
[INFO] [stdout] 127 |         if unsafe { libc::setgroups(ids.gids.len() as i32, ids.gids.as_ptr()) != 0 } {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `i32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert an `i32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]     |
[INFO] [stdout] 127 |         if unsafe { libc::setgroups((ids.gids.len() as i32).try_into().unwrap(), ids.gids.as_ptr()) != 0 } {
[INFO] [stdout]     |                                     +                     +++++++++++++++++++++
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unprivileged` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "65fb473911640cc3d8f6e554da617985cfae3cf0f52ac859517833101d49338b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65fb473911640cc3d8f6e554da617985cfae3cf0f52ac859517833101d49338b", kill_on_drop: false }`
[INFO] [stdout] 65fb473911640cc3d8f6e554da617985cfae3cf0f52ac859517833101d49338b