[INFO] updating cached repository https://github.com/stevesweetney/rox
[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] 2fc262c9c24e96088e8e60ed651ad3675fbc48ae
[INFO] checking stevesweetney/rox against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevesweetney%2Frox" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevesweetney/rox 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/stevesweetney/rox
[INFO] finished tweaking git repo https://github.com/stevesweetney/rox
[INFO] tweaked toml for git repo https://github.com/stevesweetney/rox written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/stevesweetney/rox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 23d09705ddf0a3c6ae86e10b03efc99694b4fa787b16778902a1d3f2363bc8d5
[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" "23d09705ddf0a3c6ae86e10b03efc99694b4fa787b16778902a1d3f2363bc8d5"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rustyline v5.0.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking rox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/token.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]   --> src/token.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Class,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]   --> src/token.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Else,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/token.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]   --> src/token.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Class,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]   --> src/token.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Else,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.00s
[INFO] running `"docker" "inspect" "23d09705ddf0a3c6ae86e10b03efc99694b4fa787b16778902a1d3f2363bc8d5"`
[INFO] running `"docker" "rm" "-f" "23d09705ddf0a3c6ae86e10b03efc99694b4fa787b16778902a1d3f2363bc8d5"`
[INFO] [stdout] 23d09705ddf0a3c6ae86e10b03efc99694b4fa787b16778902a1d3f2363bc8d5