[INFO] cloning repository https://github.com/tjpalmer/wimsi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjpalmer/wimsi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjpalmer%2Fwimsi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjpalmer%2Fwimsi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dca824051f72678267e8e1c87649f53195237c9b
[INFO] checking tjpalmer/wimsi against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjpalmer%2Fwimsi" "/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/tjpalmer/wimsi on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tjpalmer/wimsi
[INFO] finished tweaking git repo https://github.com/tjpalmer/wimsi
[INFO] tweaked toml for git repo https://github.com/tjpalmer/wimsi written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tjpalmer/wimsi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 45fa598d2169f3be9b2db9ec5d054f19c53b51dc4decf06fc08c24283b1d4b00
[INFO] running `Command { std: "docker" "start" "-a" "45fa598d2169f3be9b2db9ec5d054f19c53b51dc4decf06fc08c24283b1d4b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45fa598d2169f3be9b2db9ec5d054f19c53b51dc4decf06fc08c24283b1d4b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fa598d2169f3be9b2db9ec5d054f19c53b51dc4decf06fc08c24283b1d4b00", kill_on_drop: false }`
[INFO] [stdout] 45fa598d2169f3be9b2db9ec5d054f19c53b51dc4decf06fc08c24283b1d4b00
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b0471c60c1f1af8994018d108600d0903752035afad0a89619a1540b1c28fe1
[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" "3b0471c60c1f1af8994018d108600d0903752035afad0a89619a1540b1c28fe1", kill_on_drop: false }`
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking wimsi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `function_index`
[INFO] [stdout]   --> src/main.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Operator::Call { function_index } => {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: try ignoring the field: `function_index: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_index`
[INFO] [stdout]   --> src/main.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Operator::Call { function_index } => {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: try ignoring the field: `function_index: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Memory`
[INFO] [stdout]   --> src/code.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Memory {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Module`
[INFO] [stdout]   --> src/code.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Module {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nop`
[INFO] [stdout]   --> src/code.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Nop = 0x01,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> src/code.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Return = 0x0F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unreachable`
[INFO] [stdout]   --> src/code.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Unreachable = 0x00,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `err`
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn err(message: &'static str) -> Box<dyn std::error::Error> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Native`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Native { name: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `User`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     User { address: i32, refs: Vec<i32> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `funs`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     funs: Vec<FunInfo>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Memory`
[INFO] [stdout]   --> src/code.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Memory {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Module`
[INFO] [stdout]   --> src/code.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Module {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nop`
[INFO] [stdout]   --> src/code.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Nop = 0x01,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> src/code.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Return = 0x0F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unreachable`
[INFO] [stdout]   --> src/code.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Unreachable = 0x00,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `err`
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn err(message: &'static str) -> Box<dyn std::error::Error> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Native`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Native { name: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `User`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     User { address: i32, refs: Vec<i32> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `funs`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     funs: Vec<FunInfo>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "3b0471c60c1f1af8994018d108600d0903752035afad0a89619a1540b1c28fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0471c60c1f1af8994018d108600d0903752035afad0a89619a1540b1c28fe1", kill_on_drop: false }`
[INFO] [stdout] 3b0471c60c1f1af8994018d108600d0903752035afad0a89619a1540b1c28fe1