[INFO] cloning repository https://github.com/JaniM/effects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JaniM/effects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaniM%2Feffects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaniM%2Feffects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0a1624af51b93a271f210696b484fec1f2a7161
[INFO] checking JaniM/effects against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaniM%2Feffects" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JaniM/effects on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JaniM/effects
[INFO] finished tweaking git repo https://github.com/JaniM/effects
[INFO] tweaked toml for git repo https://github.com/JaniM/effects written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JaniM/effects already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a08c6bd3b6748d31571de03d9cdfc8266580afb153a92e09c231bf18fa0d441
[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" "2a08c6bd3b6748d31571de03d9cdfc8266580afb153a92e09c231bf18fa0d441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a08c6bd3b6748d31571de03d9cdfc8266580afb153a92e09c231bf18fa0d441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a08c6bd3b6748d31571de03d9cdfc8266580afb153a92e09c231bf18fa0d441", kill_on_drop: false }`
[INFO] [stdout] 2a08c6bd3b6748d31571de03d9cdfc8266580afb153a92e09c231bf18fa0d441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5b86a8cb3ab0d37edcdd663316b13712656130eda01f25dceebf9dae28e0c251
[INFO] running `Command { std: "docker" "start" "-a" "5b86a8cb3ab0d37edcdd663316b13712656130eda01f25dceebf9dae28e0c251", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking lasso v0.2.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `EdgeIndex`
[INFO] [stdout]    --> src/main.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | type EdgeIndex = petgraph::graph::EdgeIndex<u32>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Call,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `New`
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     New(u32)
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Connect`
[INFO] [stdout]    --> src/main.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Connect(TransformIndex, TransformIndex),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Create`
[INFO] [stdout]    --> src/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     Create(Operator)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `new_count`
[INFO] [stdout]    --> src/main.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     new_count: u32
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `EdgeIndex`
[INFO] [stdout]    --> src/main.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | type EdgeIndex = petgraph::graph::EdgeIndex<u32>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Call,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `New`
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     New(u32)
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Connect`
[INFO] [stdout]    --> src/main.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     Connect(TransformIndex, TransformIndex),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Create`
[INFO] [stdout]    --> src/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     Create(Operator)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `new_count`
[INFO] [stdout]    --> src/main.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     new_count: u32
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.18s
[INFO] running `Command { std: "docker" "inspect" "5b86a8cb3ab0d37edcdd663316b13712656130eda01f25dceebf9dae28e0c251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b86a8cb3ab0d37edcdd663316b13712656130eda01f25dceebf9dae28e0c251", kill_on_drop: false }`
[INFO] [stdout] 5b86a8cb3ab0d37edcdd663316b13712656130eda01f25dceebf9dae28e0c251