[INFO] updating cached repository https://github.com/sector-f/eminence
[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] 73f14e7fc16ac279e1572d544ebdd891f8f6ab92
[INFO] checking sector-f/eminence against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Feminence" "/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/sector-f/eminence on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sector-f/eminence
[INFO] finished tweaking git repo https://github.com/sector-f/eminence
[INFO] tweaked toml for git repo https://github.com/sector-f/eminence written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sector-f/eminence already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 9c37387898a77fb4c719f729d4eaf9ac5a5c7696503bf33e47e2e6c752248899
[INFO] running `"docker" "start" "-a" "9c37387898a77fb4c719f729d4eaf9ac5a5c7696503bf33e47e2e6c752248899"`
[INFO] [stderr]     Checking named-vec v0.1.0 (https://github.com/sector-f/named_vec.git#ce59211f)
[INFO] [stderr]     Checking eminence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `WmRoot`
[INFO] [stderr]  --> src/hash.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct WmRoot {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `workspaces`
[INFO] [stderr]  --> src/hash.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     workspaces: NamedVec<Workspace>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `windows`
[INFO] [stderr]   --> src/hash.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     windows: Vec<Window>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `wid`
[INFO] [stderr]   --> src/hash.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     wid: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WmRoot`
[INFO] [stderr]  --> src/hash.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct WmRoot {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `workspaces`
[INFO] [stderr]  --> src/hash.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     workspaces: NamedVec<Workspace>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `windows`
[INFO] [stderr]   --> src/hash.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     windows: Vec<Window>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `wid`
[INFO] [stderr]   --> src/hash.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     wid: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "9c37387898a77fb4c719f729d4eaf9ac5a5c7696503bf33e47e2e6c752248899"`
[INFO] running `"docker" "rm" "-f" "9c37387898a77fb4c719f729d4eaf9ac5a5c7696503bf33e47e2e6c752248899"`
[INFO] [stdout] 9c37387898a77fb4c719f729d4eaf9ac5a5c7696503bf33e47e2e6c752248899