[INFO] updating cached repository https://github.com/tobybot11/prime-timeout
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f01185d3c20479fed705194ccf2952253f4b9454
[INFO] checking tobybot11/prime-timeout against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobybot11%2Fprime-timeout" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tobybot11/prime-timeout on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tobybot11/prime-timeout
[INFO] finished tweaking git repo https://github.com/tobybot11/prime-timeout
[INFO] tweaked toml for git repo https://github.com/tobybot11/prime-timeout written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tobybot11/prime-timeout already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ca2835dad2492b1ec2c63a39d189a0dbf8057301c6931850688eb0d2d78052bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ca2835dad2492b1ec2c63a39d189a0dbf8057301c6931850688eb0d2d78052bb"`
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking prime-timeout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/main.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |      println!("{}", unsafe { std::intrinsics::type_name::<T>() });
[INFO] [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_type_of`
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn print_type_of<T>(_: &T) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/main.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |      println!("{}", unsafe { std::intrinsics::type_name::<T>() });
[INFO] [stderr]    |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_type_of`
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn print_type_of<T>(_: &T) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "ca2835dad2492b1ec2c63a39d189a0dbf8057301c6931850688eb0d2d78052bb"`
[INFO] running `"docker" "rm" "-f" "ca2835dad2492b1ec2c63a39d189a0dbf8057301c6931850688eb0d2d78052bb"`
[INFO] [stdout] ca2835dad2492b1ec2c63a39d189a0dbf8057301c6931850688eb0d2d78052bb