[INFO] fetching crate polywrap_fs_plugin 0.1.9-beta.2...
[INFO] checking polywrap_fs_plugin-0.1.9-beta.2 against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] extracting crate polywrap_fs_plugin 0.1.9-beta.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate polywrap_fs_plugin 0.1.9-beta.2 on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polywrap_fs_plugin 0.1.9-beta.2
[INFO] finished tweaking crates.io crate polywrap_fs_plugin 0.1.9-beta.2
[INFO] tweaked toml for crates.io crate polywrap_fs_plugin 0.1.9-beta.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded stacker v0.1.15
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d60eda1d0978e454ef2ec2ad238f4cd7c6ebe4a72cfdfe45dd1384c01465649f
[INFO] running `Command { std: "docker" "start" "-a" "d60eda1d0978e454ef2ec2ad238f4cd7c6ebe4a72cfdfe45dd1384c01465649f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d60eda1d0978e454ef2ec2ad238f4cd7c6ebe4a72cfdfe45dd1384c01465649f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60eda1d0978e454ef2ec2ad238f4cd7c6ebe4a72cfdfe45dd1384c01465649f", kill_on_drop: false }`
[INFO] [stdout] d60eda1d0978e454ef2ec2ad238f4cd7c6ebe4a72cfdfe45dd1384c01465649f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1475971aec9dbaab2fd1c2456fa12cb0e559b75a28df0e6d48dc4d893595f566
[INFO] running `Command { std: "docker" "start" "-a" "1475971aec9dbaab2fd1c2456fa12cb0e559b75a28df0e6d48dc4d893595f566", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]     Checking jsonschema v0.16.1
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[INFO] [stderr]     Checking wasmer-compiler v4.2.0
[INFO] [stderr]     Checking polywrap_core v0.1.9-beta.2
[INFO] [stderr]    Compiling polywrap_plugin_implementor v0.1.9-beta.2
[INFO] [stderr]     Checking polywrap_plugin v0.1.9-beta.2
[INFO] [stderr]     Checking polywrap_fs_plugin v0.1.9-beta.2 (/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 v4.2.0
[INFO] [stderr]     Checking polywrap_wasm v0.1.9-beta.2
[INFO] [stderr]     Checking polywrap_resolvers v0.1.9-beta.2
[INFO] [stderr]     Checking polywrap_resolver_extensions v0.1.9-beta.2
[INFO] [stderr]     Checking polywrap_client_builder v0.1.9-beta.2
[INFO] [stderr]     Checking polywrap_client v0.1.9-beta.2
[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 [unoptimized + debuginfo] target(s) in 27.53s
[INFO] running `Command { std: "docker" "inspect" "1475971aec9dbaab2fd1c2456fa12cb0e559b75a28df0e6d48dc4d893595f566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1475971aec9dbaab2fd1c2456fa12cb0e559b75a28df0e6d48dc4d893595f566", kill_on_drop: false }`
[INFO] [stdout] 1475971aec9dbaab2fd1c2456fa12cb0e559b75a28df0e6d48dc4d893595f566