[INFO] fetching crate ref_wrapper 0.3.0...
[INFO] testing ref_wrapper-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate ref_wrapper 0.3.0 into /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ref_wrapper 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drop_tracer v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca431f45d18632980d2f14d44a1b1d422d63f8c404cc62c4ef17e794b1b6842d
[INFO] running `Command { std: "docker" "start" "-a" "ca431f45d18632980d2f14d44a1b1d422d63f8c404cc62c4ef17e794b1b6842d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca431f45d18632980d2f14d44a1b1d422d63f8c404cc62c4ef17e794b1b6842d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca431f45d18632980d2f14d44a1b1d422d63f8c404cc62c4ef17e794b1b6842d", kill_on_drop: false }`
[INFO] [stdout] ca431f45d18632980d2f14d44a1b1d422d63f8c404cc62c4ef17e794b1b6842d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae9f17817236d1bb962bcdc9ab4d307b2827c03b7e18cc6afa697b3bc8c7e906
[INFO] running `Command { std: "docker" "start" "-a" "ae9f17817236d1bb962bcdc9ab4d307b2827c03b7e18cc6afa697b3bc8c7e906", 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "ae9f17817236d1bb962bcdc9ab4d307b2827c03b7e18cc6afa697b3bc8c7e906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9f17817236d1bb962bcdc9ab4d307b2827c03b7e18cc6afa697b3bc8c7e906", kill_on_drop: false }`
[INFO] [stdout] ae9f17817236d1bb962bcdc9ab4d307b2827c03b7e18cc6afa697b3bc8c7e906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c55def4b6719342d4220061e954c2b2fb79280efcd8cc24b40e2ad5385d43b
[INFO] running `Command { std: "docker" "start" "-a" "b4c55def4b6719342d4220061e954c2b2fb79280efcd8cc24b40e2ad5385d43b", 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 1.06s
[INFO] running `Command { std: "docker" "inspect" "b4c55def4b6719342d4220061e954c2b2fb79280efcd8cc24b40e2ad5385d43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c55def4b6719342d4220061e954c2b2fb79280efcd8cc24b40e2ad5385d43b", kill_on_drop: false }`
[INFO] [stdout] b4c55def4b6719342d4220061e954c2b2fb79280efcd8cc24b40e2ad5385d43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01d47fc3384752c8f52416ab68dec814450ab9974c467d4382598c55dfdf89a9
[INFO] running `Command { std: "docker" "start" "-a" "01d47fc3384752c8f52416ab68dec814450ab9974c467d4382598c55dfdf89a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ref_wrapper-a4f8406f87d31217)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/impl_iterator.rs (/opt/rustwide/target/debug/deps/impl_iterator-12920c7de9365479)
[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] [stderr]      Running tests/ref_wrap.rs (/opt/rustwide/target/debug/deps/ref_wrap-b894397f0f6f5d5b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test deref_mut ... ok
[INFO] [stderr]      Running tests/ref_wrap_mut.rs (/opt/rustwide/target/debug/deps/ref_wrap_mut-11ec8486a0b33940)
[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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test test_drop_count ... ok
[INFO] [stderr]    Doc-tests ref_wrapper
[INFO] [stdout] test deref_mut ... 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 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01d47fc3384752c8f52416ab68dec814450ab9974c467d4382598c55dfdf89a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d47fc3384752c8f52416ab68dec814450ab9974c467d4382598c55dfdf89a9", kill_on_drop: false }`
[INFO] [stdout] 01d47fc3384752c8f52416ab68dec814450ab9974c467d4382598c55dfdf89a9