[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Feminence" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sector-f/eminence on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c704d12933a0fda136cb82ed88ee1d8b5abd9fab88faffaa9988aaf8d24f6f85
[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" "c704d12933a0fda136cb82ed88ee1d8b5abd9fab88faffaa9988aaf8d24f6f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c704d12933a0fda136cb82ed88ee1d8b5abd9fab88faffaa9988aaf8d24f6f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c704d12933a0fda136cb82ed88ee1d8b5abd9fab88faffaa9988aaf8d24f6f85", kill_on_drop: false }`
[INFO] [stdout] c704d12933a0fda136cb82ed88ee1d8b5abd9fab88faffaa9988aaf8d24f6f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 213c755214194af3d0c4506241b1d303362d92992ad1495ca2289f848f60eacf
[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" "213c755214194af3d0c4506241b1d303362d92992ad1495ca2289f848f60eacf", 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] [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 1.48s
[INFO] running `Command { std: "docker" "inspect" "213c755214194af3d0c4506241b1d303362d92992ad1495ca2289f848f60eacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213c755214194af3d0c4506241b1d303362d92992ad1495ca2289f848f60eacf", kill_on_drop: false }`
[INFO] [stdout] 213c755214194af3d0c4506241b1d303362d92992ad1495ca2289f848f60eacf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db4cc7f331a306e2fbb0c45fd8332270b944eabcfd1161f91d2b95252ff921e4
[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" "db4cc7f331a306e2fbb0c45fd8332270b944eabcfd1161f91d2b95252ff921e4", 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "db4cc7f331a306e2fbb0c45fd8332270b944eabcfd1161f91d2b95252ff921e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4cc7f331a306e2fbb0c45fd8332270b944eabcfd1161f91d2b95252ff921e4", kill_on_drop: false }`
[INFO] [stdout] db4cc7f331a306e2fbb0c45fd8332270b944eabcfd1161f91d2b95252ff921e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 4c7683a8f47061b7571ba5900a72aa21726197b1ef6d79d1dbfd6f07668cb88f
[INFO] running `Command { std: "docker" "start" "-a" "4c7683a8f47061b7571ba5900a72aa21726197b1ef6d79d1dbfd6f07668cb88f", 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: `eminence` (bin "eminence" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eminence-a4a2e766dcfc20e7)
[INFO] running `Command { std: "docker" "inspect" "4c7683a8f47061b7571ba5900a72aa21726197b1ef6d79d1dbfd6f07668cb88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7683a8f47061b7571ba5900a72aa21726197b1ef6d79d1dbfd6f07668cb88f", kill_on_drop: false }`
[INFO] [stdout] 4c7683a8f47061b7571ba5900a72aa21726197b1ef6d79d1dbfd6f07668cb88f