[INFO] updating cached repository https://github.com/zni/rforth
[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] 5a0d3ba1b0608ef0a29dbbf8c73d1154078cfc30
[INFO] checking zni/rforth against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Frforth" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zni/rforth on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zni/rforth
[INFO] finished tweaking git repo https://github.com/zni/rforth
[INFO] tweaked toml for git repo https://github.com/zni/rforth written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zni/rforth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42c1bd24207ebf9b3b65c13521b9f2a4158f40b997e99ea754fa262e4e6aa0a9
[INFO] running `"docker" "start" "-a" "42c1bd24207ebf9b3b65c13521b9f2a4158f40b997e99ea754fa262e4e6aa0a9"`
[INFO] [stderr]     Checking rforth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `translate_if`
[INFO] [stderr]    --> src/vm/machine.rs:216:4
[INFO] [stderr]     |
[INFO] [stderr] 216 | fn translate_if(values: &mut Vec<Value>) -> Result<(), ErrorType> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_offset`
[INFO] [stderr]    --> src/vm/machine.rs:236:4
[INFO] [stderr]     |
[INFO] [stderr] 236 | fn calculate_offset(i: usize, values: &mut Vec<Value>) -> Result<i32, ErrorType> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `translate_if`
[INFO] [stderr]    --> src/vm/machine.rs:216:4
[INFO] [stderr]     |
[INFO] [stderr] 216 | fn translate_if(values: &mut Vec<Value>) -> Result<(), ErrorType> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_offset`
[INFO] [stderr]    --> src/vm/machine.rs:236:4
[INFO] [stderr]     |
[INFO] [stderr] 236 | fn calculate_offset(i: usize, values: &mut Vec<Value>) -> Result<i32, ErrorType> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "42c1bd24207ebf9b3b65c13521b9f2a4158f40b997e99ea754fa262e4e6aa0a9"`
[INFO] running `"docker" "rm" "-f" "42c1bd24207ebf9b3b65c13521b9f2a4158f40b997e99ea754fa262e4e6aa0a9"`
[INFO] [stdout] 42c1bd24207ebf9b3b65c13521b9f2a4158f40b997e99ea754fa262e4e6aa0a9