[INFO] crate dyplugin 0.2.0 is already in cache
[INFO] testing dyplugin-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate dyplugin 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dyplugin 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac770c0264671b3a4b113866564f8877b7a0b871ab0e766b92ddd88ddef3a950
[INFO] running `"docker" "start" "-a" "ac770c0264671b3a4b113866564f8877b7a0b871ab0e766b92ddd88ddef3a950"`
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling dyplugin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "ac770c0264671b3a4b113866564f8877b7a0b871ab0e766b92ddd88ddef3a950"`
[INFO] running `"docker" "rm" "-f" "ac770c0264671b3a4b113866564f8877b7a0b871ab0e766b92ddd88ddef3a950"`
[INFO] [stdout] ac770c0264671b3a4b113866564f8877b7a0b871ab0e766b92ddd88ddef3a950
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1060a6e923c7ae885f6c543c5423c41c78714d01ca93972032545e234f484f5
[INFO] running `"docker" "start" "-a" "c1060a6e923c7ae885f6c543c5423c41c78714d01ca93972032545e234f484f5"`
[INFO] [stderr]    Compiling dyplugin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]   --> src/lib.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |               pub fn load<'a>(&mut self, lib: &str) -> ::std::io::Result<()> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |           plugin_registry!(
[INFO] [stderr]    |  _________-
[INFO] [stderr] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stderr] 98 | |         );
[INFO] [stderr]    | |__________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unload`
[INFO] [stderr]   --> src/lib.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 |               pub fn unload(&mut self, name: &str) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |           plugin_registry!(
[INFO] [stderr]    |  _________-
[INFO] [stderr] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stderr] 98 | |         );
[INFO] [stderr]    | |__________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "c1060a6e923c7ae885f6c543c5423c41c78714d01ca93972032545e234f484f5"`
[INFO] running `"docker" "rm" "-f" "c1060a6e923c7ae885f6c543c5423c41c78714d01ca93972032545e234f484f5"`
[INFO] [stdout] c1060a6e923c7ae885f6c543c5423c41c78714d01ca93972032545e234f484f5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a04df193d6bdb6dd14a23bc948801326cde01b5a3ea2232fa3949ea8b25c150
[INFO] running `"docker" "start" "-a" "4a04df193d6bdb6dd14a23bc948801326cde01b5a3ea2232fa3949ea8b25c150"`
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]   --> src/lib.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 |               pub fn load<'a>(&mut self, lib: &str) -> ::std::io::Result<()> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |           plugin_registry!(
[INFO] [stderr]    |  _________-
[INFO] [stderr] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stderr] 98 | |         );
[INFO] [stderr]    | |__________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unload`
[INFO] [stderr]   --> src/lib.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 |               pub fn unload(&mut self, name: &str) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96 |           plugin_registry!(
[INFO] [stderr]    |  _________-
[INFO] [stderr] 97 | |             fn is_empty(x: &str) -> bool;
[INFO] [stderr] 98 | |         );
[INFO] [stderr]    | |__________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dyplugin-cb5f5173dbfbb33e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests dyplugin
[INFO] [stdout] test test::types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4a04df193d6bdb6dd14a23bc948801326cde01b5a3ea2232fa3949ea8b25c150"`
[INFO] running `"docker" "rm" "-f" "4a04df193d6bdb6dd14a23bc948801326cde01b5a3ea2232fa3949ea8b25c150"`
[INFO] [stdout] 4a04df193d6bdb6dd14a23bc948801326cde01b5a3ea2232fa3949ea8b25c150