[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#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjpalmer%2Fwimsi" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tjpalmer/wimsi on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tjpalmer/wimsi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e45c0c6dcc2a50b022ce4076958746b2104a9208427929ef2ebde47a66fd0e48
[INFO] running `Command { std: "docker" "start" "-a" "e45c0c6dcc2a50b022ce4076958746b2104a9208427929ef2ebde47a66fd0e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e45c0c6dcc2a50b022ce4076958746b2104a9208427929ef2ebde47a66fd0e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45c0c6dcc2a50b022ce4076958746b2104a9208427929ef2ebde47a66fd0e48", kill_on_drop: false }`
[INFO] [stdout] e45c0c6dcc2a50b022ce4076958746b2104a9208427929ef2ebde47a66fd0e48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9313fbeba1e5f8c4bdab2cd2b4dd36d4e24b1b36f3ab41ac735ad08b7088175
[INFO] running `Command { std: "docker" "start" "-a" "e9313fbeba1e5f8c4bdab2cd2b4dd36d4e24b1b36f3ab41ac735ad08b7088175", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Native` and `User` are never constructed
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum FunInfo {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 29 |     Native { name: String },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     User { address: i32, refs: Vec<i32> },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `funs` is never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Coder<'a> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     funs: Vec<FunInfo>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]   --> src/code.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Memory {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/code.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Module {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nop`, `Return`, and `Unreachable` are never constructed
[INFO] [stdout]   --> src/code.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum Opcode {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     Nop = 0x01,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     Return = 0x0F,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 47 |     Unreachable = 0x00,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]  --> src/util.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Error {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `err` is never used
[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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Native` and `User` are never constructed
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum FunInfo {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 29 |     Native { name: String },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     User { address: i32, refs: Vec<i32> },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `funs` is never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Coder<'a> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     funs: Vec<FunInfo>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]   --> src/code.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Memory {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/code.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Module {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nop`, `Return`, and `Unreachable` are never constructed
[INFO] [stdout]   --> src/code.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub enum Opcode {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     Nop = 0x01,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     Return = 0x0F,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 47 |     Unreachable = 0x00,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]  --> src/util.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Error {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `err` is never used
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasmparser v0.57.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e9313fbeba1e5f8c4bdab2cd2b4dd36d4e24b1b36f3ab41ac735ad08b7088175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9313fbeba1e5f8c4bdab2cd2b4dd36d4e24b1b36f3ab41ac735ad08b7088175", kill_on_drop: false }`
[INFO] [stdout] e9313fbeba1e5f8c4bdab2cd2b4dd36d4e24b1b36f3ab41ac735ad08b7088175
