[INFO] fetching crate polywrap_fs_plugin 0.1.11...
[INFO] checking polywrap_fs_plugin-0.1.11 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate polywrap_fs_plugin 0.1.11 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate polywrap_fs_plugin 0.1.11 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polywrap_fs_plugin 0.1.11
[INFO] finished tweaking crates.io crate polywrap_fs_plugin 0.1.11
[INFO] tweaked toml for crates.io crate polywrap_fs_plugin 0.1.11 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 245 packages to latest compatible versions
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[INFO] [stderr]       Adding cranelift-frontend v0.91.1 (available: v0.112.1)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0deb14a7aecaa36888f6a809b30ca7c88e9a4bccba8aa0b25033c2e6396b1c3d
[INFO] running `Command { std: "docker" "start" "-a" "0deb14a7aecaa36888f6a809b30ca7c88e9a4bccba8aa0b25033c2e6396b1c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0deb14a7aecaa36888f6a809b30ca7c88e9a4bccba8aa0b25033c2e6396b1c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deb14a7aecaa36888f6a809b30ca7c88e9a4bccba8aa0b25033c2e6396b1c3d", kill_on_drop: false }`
[INFO] [stdout] 0deb14a7aecaa36888f6a809b30ca7c88e9a4bccba8aa0b25033c2e6396b1c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f80e1021759a713c87849d8e33b8cf3667e93dbb4d36cd157740a755ac920ee
[INFO] running `Command { std: "docker" "start" "-a" "6f80e1021759a713c87849d8e33b8cf3667e93dbb4d36cd157740a755ac920ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling polywrap_plugin_implementor v0.1.11
[INFO] [stderr]     Checking polywrap_plugin v0.1.11
[INFO] [stderr]     Checking polywrap_fs_plugin v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/wrap/module.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cranelift-frontend v0.91.1
[INFO] [stderr]     Checking wasmer v4.3.7
[INFO] [stderr]     Checking polywrap_wasm v0.1.11
[INFO] [stderr]     Checking polywrap_resolvers v0.1.11
[INFO] [stderr]     Checking polywrap_resolver_extensions v0.1.11
[INFO] [stderr]     Checking polywrap_client_builder v0.1.11
[INFO] [stderr]     Checking polywrap_client v0.1.11
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/wrap/module.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "6f80e1021759a713c87849d8e33b8cf3667e93dbb4d36cd157740a755ac920ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f80e1021759a713c87849d8e33b8cf3667e93dbb4d36cd157740a755ac920ee", kill_on_drop: false }`
[INFO] [stdout] 6f80e1021759a713c87849d8e33b8cf3667e93dbb4d36cd157740a755ac920ee