[INFO] fetching crate mangofetch-core 0.5.3...
[INFO] checking mangofetch-core-0.5.3 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate mangofetch-core 0.5.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mangofetch-core 0.5.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mangofetch-core 0.5.3
[INFO] tweaked toml for crates.io crate mangofetch-core 0.5.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mangofetch-core 0.5.3 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mangofetch-core 0.5.3 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdb0530511c2bd1f0ec66104c22c99ab28b2de66f60b02919277a6038ddf1d1e
[INFO] running `Command { std: "docker" "start" "-a" "fdb0530511c2bd1f0ec66104c22c99ab28b2de66f60b02919277a6038ddf1d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdb0530511c2bd1f0ec66104c22c99ab28b2de66f60b02919277a6038ddf1d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb0530511c2bd1f0ec66104c22c99ab28b2de66f60b02919277a6038ddf1d1e", kill_on_drop: false }`
[INFO] [stdout] fdb0530511c2bd1f0ec66104c22c99ab28b2de66f60b02919277a6038ddf1d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b296a0acceab4283868042391c410c582243eaa6c82c8e22b697e9ad17414cf
[INFO] running `Command { std: "docker" "start" "-a" "6b296a0acceab4283868042391c410c582243eaa6c82c8e22b697e9ad17414cf", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `reporter`
[INFO] [stdout]    --> src/core/dependencies.rs:648:5
[INFO] [stdout]     |
[INFO] [stdout] 648 |     reporter: Option<&dyn crate::core::traits::DownloadReporter>,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reporter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reporter`
[INFO] [stdout]    --> src/core/dependencies.rs:648:5
[INFO] [stdout]     |
[INFO] [stdout] 648 |     reporter: Option<&dyn crate::core::traits::DownloadReporter>,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reporter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn MangoFetchPlugin`, which is not FFI-safe
[INFO] [stdout]  --> src/core/manager/plugin_manager.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | type PluginInitFn = unsafe extern "C" fn() -> *mut dyn MangoFetchPlugin;
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: trait objects have no C equivalent
[INFO] [stdout]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn MangoFetchPlugin`, which is not FFI-safe
[INFO] [stdout]  --> src/core/manager/plugin_manager.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | type PluginInitFn = unsafe extern "C" fn() -> *mut dyn MangoFetchPlugin;
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: trait objects have no C equivalent
[INFO] [stdout]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "6b296a0acceab4283868042391c410c582243eaa6c82c8e22b697e9ad17414cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b296a0acceab4283868042391c410c582243eaa6c82c8e22b697e9ad17414cf", kill_on_drop: false }`
[INFO] [stdout] 6b296a0acceab4283868042391c410c582243eaa6c82c8e22b697e9ad17414cf
