[INFO] updating cached repository sector-f/eminence
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sector-f/eminence
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sector-f/eminence" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sector-f/eminence"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sector-f/eminence'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sector-f/eminence" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sector-f/eminence"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sector-f/eminence'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73f14e7fc16ac279e1572d544ebdd891f8f6ab92
[INFO] sha for GitHub repo sector-f/eminence: 73f14e7fc16ac279e1572d544ebdd891f8f6ab92
[INFO] validating manifest of sector-f/eminence on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sector-f/eminence on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sector-f/eminence
[INFO] finished frobbing sector-f/eminence
[INFO] frobbed toml for sector-f/eminence written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sector-f/eminence/Cargo.toml
[INFO] started frobbing sector-f/eminence
[INFO] finished frobbing sector-f/eminence
[INFO] frobbed toml for sector-f/eminence written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sector-f/eminence/Cargo.toml
[INFO] crate sector-f/eminence already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sector-f/eminence against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sector-f/eminence:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f3972bb25a3553305727bb6350a6e4cfa3f0aff651a0cfb624088545c5f2ef9
[INFO] running `"docker" "start" "-a" "5f3972bb25a3553305727bb6350a6e4cfa3f0aff651a0cfb624088545c5f2ef9"`
[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/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `WmRoot`
[INFO] [stderr]  --> src/hash.rs:3:1
[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: struct is never constructed: `Monitor`
[INFO] [stderr]  --> src/hash.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Monitor {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Workspace`
[INFO] [stderr]   --> src/hash.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Workspace {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Window`
[INFO] [stderr]   --> src/hash.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Window {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WmRoot`
[INFO] [stderr]  --> src/hash.rs:3:1
[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: struct is never constructed: `Monitor`
[INFO] [stderr]  --> src/hash.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Monitor {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Workspace`
[INFO] [stderr]   --> src/hash.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Workspace {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Window`
[INFO] [stderr]   --> src/hash.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Window {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "5f3972bb25a3553305727bb6350a6e4cfa3f0aff651a0cfb624088545c5f2ef9"`
[INFO] running `"docker" "rm" "-f" "5f3972bb25a3553305727bb6350a6e4cfa3f0aff651a0cfb624088545c5f2ef9"`
[INFO] [stdout] 5f3972bb25a3553305727bb6350a6e4cfa3f0aff651a0cfb624088545c5f2ef9