[INFO] fetching crate wasm_membrane_host 0.2.0...
[INFO] checking wasm_membrane_host-0.2.0 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate wasm_membrane_host 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate wasm_membrane_host 0.2.0
[INFO] finished tweaking crates.io crate wasm_membrane_host 0.2.0
[INFO] tweaked toml for crates.io crate wasm_membrane_host 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm_membrane_host 0.2.0 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 170 packages to highest compatible versions
[INFO] [stderr]       Adding wasmer v2.3.0 (available: v7.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003
[INFO] running `Command { std: "docker" "start" "ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking wasm_membrane_host v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `NamedResolver` and `RuntimeError`
[INFO] [stdout]  --> src/membrane.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NamedResolver, RuntimeError, WasmPtr, WasmerEnv,
[INFO] [stdout]   |     ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NamedResolver` and `RuntimeError`
[INFO] [stdout]  --> src/membrane.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NamedResolver, RuntimeError, WasmPtr, WasmerEnv,
[INFO] [stdout]   |     ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/membrane.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/membrane.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/membrane.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     Err(error) => {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/membrane.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     Err(error) => {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ptr` and `len` are never read
[INFO] [stdout]    --> src/membrane.rs:320:5
[INFO] [stdout]     |
[INFO] [stdout] 319 | pub struct WasmBuffer {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 320 |     ptr: WasmPtr<u8, Array>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 321 |     len: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WasmBuffer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ptr` and `len` are never read
[INFO] [stdout]    --> src/membrane.rs:320:5
[INFO] [stdout]     |
[INFO] [stdout] 319 | pub struct WasmBuffer {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 320 |     ptr: WasmPtr<u8, Array>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 321 |     len: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WasmBuffer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.04s
[INFO] running `Command { std: "docker" "inspect" "ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003", kill_on_drop: false }`
[INFO] [stdout] ebb6bcc9bf5ecf04760f749d06382cfcc58b20d3c1e0066c1117a3399d58a003
