[INFO] fetching crate wasm_membrane_host 0.2.0...
[INFO] checking wasm_membrane_host-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate wasm_membrane_host 0.2.0 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm_membrane_host 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]       Adding wasmer v2.3.0 (available: v6.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f42fa074641999c05b7836f932ad5557c25f678db922eab6cc4e103cc7f7fa88
[INFO] running `Command { std: "docker" "start" "-a" "f42fa074641999c05b7836f932ad5557c25f678db922eab6cc4e103cc7f7fa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f42fa074641999c05b7836f932ad5557c25f678db922eab6cc4e103cc7f7fa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42fa074641999c05b7836f932ad5557c25f678db922eab6cc4e103cc7f7fa88", kill_on_drop: false }`
[INFO] [stdout] f42fa074641999c05b7836f932ad5557c25f678db922eab6cc4e103cc7f7fa88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80f8fd7a965d8a7226b5466ffbd01c4db2dfa1f46cade5e4b85357d896a7e831
[INFO] running `Command { std: "docker" "start" "-a" "80f8fd7a965d8a7226b5466ffbd01c4db2dfa1f46cade5e4b85357d896a7e831", 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.56s
[INFO] running `Command { std: "docker" "inspect" "80f8fd7a965d8a7226b5466ffbd01c4db2dfa1f46cade5e4b85357d896a7e831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f8fd7a965d8a7226b5466ffbd01c4db2dfa1f46cade5e4b85357d896a7e831", kill_on_drop: false }`
[INFO] [stdout] 80f8fd7a965d8a7226b5466ffbd01c4db2dfa1f46cade5e4b85357d896a7e831