[INFO] fetching crate dyplugin 0.2.0...
[INFO] checking dyplugin-0.2.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate dyplugin 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dyplugin 0.2.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dyplugin 0.2.0
[INFO] finished tweaking crates.io crate dyplugin 0.2.0
[INFO] tweaked toml for crates.io crate dyplugin 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c9ea5fd57a9c5518fa7f8de1501039e0f39ac647026b8b5f95fbd0ae2edae4c
[INFO] running `Command { std: "docker" "start" "-a" "2c9ea5fd57a9c5518fa7f8de1501039e0f39ac647026b8b5f95fbd0ae2edae4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9ea5fd57a9c5518fa7f8de1501039e0f39ac647026b8b5f95fbd0ae2edae4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9ea5fd57a9c5518fa7f8de1501039e0f39ac647026b8b5f95fbd0ae2edae4c", kill_on_drop: false }`
[INFO] [stdout] 2c9ea5fd57a9c5518fa7f8de1501039e0f39ac647026b8b5f95fbd0ae2edae4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e36b02dcac55c39475cd6dd49e73d5998b896e539ecf820c2807e9dedda59bdd
[INFO] running `Command { std: "docker" "start" "-a" "e36b02dcac55c39475cd6dd49e73d5998b896e539ecf820c2807e9dedda59bdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking dyplugin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `load`
[INFO] [stdout]   --> src/lib.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 |               pub fn load<'a>(&mut self, lib: &str) -> ::std::io::Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 | /         plugin_registry!(
[INFO] [stdout] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stdout] 98 | |         );
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unload`
[INFO] [stdout]   --> src/lib.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 |               pub fn unload(&mut self, name: &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 | /         plugin_registry!(
[INFO] [stdout] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stdout] 98 | |         );
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "e36b02dcac55c39475cd6dd49e73d5998b896e539ecf820c2807e9dedda59bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36b02dcac55c39475cd6dd49e73d5998b896e539ecf820c2807e9dedda59bdd", kill_on_drop: false }`
[INFO] [stdout] e36b02dcac55c39475cd6dd49e73d5998b896e539ecf820c2807e9dedda59bdd