[INFO] fetching crate ref_wrapper 0.3.0...
[INFO] testing ref_wrapper-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate ref_wrapper 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ref_wrapper 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ref_wrapper 0.3.0
[INFO] tweaked toml for crates.io crate ref_wrapper 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ref_wrapper 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding drop_tracer v0.1.1 (available: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebf206f9633e68575b7c8011287c95aac843fe9d28dfd499ac65fd8df58be52d
[INFO] running `Command { std: "docker" "start" "-a" "ebf206f9633e68575b7c8011287c95aac843fe9d28dfd499ac65fd8df58be52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebf206f9633e68575b7c8011287c95aac843fe9d28dfd499ac65fd8df58be52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf206f9633e68575b7c8011287c95aac843fe9d28dfd499ac65fd8df58be52d", kill_on_drop: false }`
[INFO] [stdout] ebf206f9633e68575b7c8011287c95aac843fe9d28dfd499ac65fd8df58be52d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca08a27c1e4ea6e213f21cb05fd5f928afd062bccd699670fdc83a329c9a1001
[INFO] running `Command { std: "docker" "start" "-a" "ca08a27c1e4ea6e213f21cb05fd5f928afd062bccd699670fdc83a329c9a1001", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref_wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ca08a27c1e4ea6e213f21cb05fd5f928afd062bccd699670fdc83a329c9a1001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca08a27c1e4ea6e213f21cb05fd5f928afd062bccd699670fdc83a329c9a1001", kill_on_drop: false }`
[INFO] [stdout] ca08a27c1e4ea6e213f21cb05fd5f928afd062bccd699670fdc83a329c9a1001
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6645ea86dd7ad159f2b624fd4933feab358b3d6e960eee1d958133422604b6b
[INFO] running `Command { std: "docker" "start" "-a" "b6645ea86dd7ad159f2b624fd4933feab358b3d6e960eee1d958133422604b6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling drop_tracer v0.1.1
[INFO] [stderr]    Compiling ref_wrapper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "b6645ea86dd7ad159f2b624fd4933feab358b3d6e960eee1d958133422604b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6645ea86dd7ad159f2b624fd4933feab358b3d6e960eee1d958133422604b6b", kill_on_drop: false }`
[INFO] [stdout] b6645ea86dd7ad159f2b624fd4933feab358b3d6e960eee1d958133422604b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d28408c92dfef759e0ad09184c703b8cde0364acdec48513273f744ae65fddc9
[INFO] running `Command { std: "docker" "start" "-a" "d28408c92dfef759e0ad09184c703b8cde0364acdec48513273f744ae65fddc9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ref_wrapper-a4f8406f87d31217)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/impl_iterator.rs (/opt/rustwide/target/debug/deps/impl_iterator-12920c7de9365479)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ref_wrap.rs (/opt/rustwide/target/debug/deps/ref_wrap-b894397f0f6f5d5b)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/ref_wrap_mut.rs (/opt/rustwide/target/debug/deps/ref_wrap_mut-11ec8486a0b33940)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ref_wrapper
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test for_ref_wrap ... ok
[INFO] [stdout] test for_ref_wrap_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test deref_mut ... ok
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test test_drop_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test deref_mut ... ok
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test test_drop_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d28408c92dfef759e0ad09184c703b8cde0364acdec48513273f744ae65fddc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28408c92dfef759e0ad09184c703b8cde0364acdec48513273f744ae65fddc9", kill_on_drop: false }`
[INFO] [stdout] d28408c92dfef759e0ad09184c703b8cde0364acdec48513273f744ae65fddc9