[INFO] cloning repository https://github.com/sector-f/eminence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sector-f/eminence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Feminence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Feminence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f14e7fc16ac279e1572d544ebdd891f8f6ab92
[INFO] testing sector-f/eminence against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Feminence" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sector-f/eminence on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sector-f/eminence already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6ea44605f0d8d79dedcd0dda5f732bbd2deeeedbc83759fbeed8fb92a6517d0
[INFO] running `Command { std: "docker" "start" "-a" "b6ea44605f0d8d79dedcd0dda5f732bbd2deeeedbc83759fbeed8fb92a6517d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ea44605f0d8d79dedcd0dda5f732bbd2deeeedbc83759fbeed8fb92a6517d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ea44605f0d8d79dedcd0dda5f732bbd2deeeedbc83759fbeed8fb92a6517d0", kill_on_drop: false }`
[INFO] [stdout] b6ea44605f0d8d79dedcd0dda5f732bbd2deeeedbc83759fbeed8fb92a6517d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 578642902e84e8f3a77c01470de97e608db060012985808d5fbe6dc7efc50b18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "578642902e84e8f3a77c01470de97e608db060012985808d5fbe6dc7efc50b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling named-vec v0.1.0 (https://github.com/sector-f/named_vec.git#ce59211f)
[INFO] [stderr]    Compiling eminence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `WmRoot`
[INFO] [stdout]  --> src/hash.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct WmRoot {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workspaces`
[INFO] [stdout]  --> src/hash.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     workspaces: NamedVec<Workspace>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `windows`
[INFO] [stdout]   --> src/hash.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     windows: Vec<Window>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wid`
[INFO] [stdout]   --> src/hash.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     wid: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "578642902e84e8f3a77c01470de97e608db060012985808d5fbe6dc7efc50b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578642902e84e8f3a77c01470de97e608db060012985808d5fbe6dc7efc50b18", kill_on_drop: false }`
[INFO] [stdout] 578642902e84e8f3a77c01470de97e608db060012985808d5fbe6dc7efc50b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b421103e4f34834eac9d59cf03c4ec1c75d2fd8490acf2a5072f58d8f31d30aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b421103e4f34834eac9d59cf03c4ec1c75d2fd8490acf2a5072f58d8f31d30aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling eminence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `WmRoot`
[INFO] [stdout]  --> src/hash.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct WmRoot {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workspaces`
[INFO] [stdout]  --> src/hash.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     workspaces: NamedVec<Workspace>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `windows`
[INFO] [stdout]   --> src/hash.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     windows: Vec<Window>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wid`
[INFO] [stdout]   --> src/hash.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     wid: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "b421103e4f34834eac9d59cf03c4ec1c75d2fd8490acf2a5072f58d8f31d30aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b421103e4f34834eac9d59cf03c4ec1c75d2fd8490acf2a5072f58d8f31d30aa", kill_on_drop: false }`
[INFO] [stdout] b421103e4f34834eac9d59cf03c4ec1c75d2fd8490acf2a5072f58d8f31d30aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bad12f1313e5f44e624e311171546481d06844d9bce5258aa692f5411bb5ab39
[INFO] running `Command { std: "docker" "start" "-a" "bad12f1313e5f44e624e311171546481d06844d9bce5258aa692f5411bb5ab39", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: struct is never constructed: `WmRoot`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/hash.rs:3:8
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | struct WmRoot {
[INFO] [stdout] 
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eminence-2998d1557448fcba)
[INFO] running `Command { std: "docker" "inspect" "bad12f1313e5f44e624e311171546481d06844d9bce5258aa692f5411bb5ab39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad12f1313e5f44e624e311171546481d06844d9bce5258aa692f5411bb5ab39", kill_on_drop: false }`
[INFO] [stdout] bad12f1313e5f44e624e311171546481d06844d9bce5258aa692f5411bb5ab39