[INFO] fetching crate polymorph 0.1.0...
[INFO] testing polymorph-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate polymorph 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate polymorph 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polymorph 0.1.0
[INFO] finished tweaking crates.io crate polymorph 0.1.0
[INFO] tweaked toml for crates.io crate polymorph 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fede5ad0b55bbf3cf9e2b4bba6a09eecfae12407803d705e8780c803661e20d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3fede5ad0b55bbf3cf9e2b4bba6a09eecfae12407803d705e8780c803661e20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fede5ad0b55bbf3cf9e2b4bba6a09eecfae12407803d705e8780c803661e20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fede5ad0b55bbf3cf9e2b4bba6a09eecfae12407803d705e8780c803661e20d", kill_on_drop: false }`
[INFO] [stdout] 3fede5ad0b55bbf3cf9e2b4bba6a09eecfae12407803d705e8780c803661e20d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc236683da636157b2231b72de006ca4bbdec3b1319613fe61ea6bf87c51474
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6cc236683da636157b2231b72de006ca4bbdec3b1319613fe61ea6bf87c51474", kill_on_drop: false }`
[INFO] [stderr]    Compiling polymorph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "6cc236683da636157b2231b72de006ca4bbdec3b1319613fe61ea6bf87c51474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc236683da636157b2231b72de006ca4bbdec3b1319613fe61ea6bf87c51474", kill_on_drop: false }`
[INFO] [stdout] 6cc236683da636157b2231b72de006ca4bbdec3b1319613fe61ea6bf87c51474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c651c3019d9071e0b6852de0d54b4ad192574df183b927fd84007bcb41d9d03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c651c3019d9071e0b6852de0d54b4ad192574df183b927fd84007bcb41d9d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling polymorph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "6c651c3019d9071e0b6852de0d54b4ad192574df183b927fd84007bcb41d9d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c651c3019d9071e0b6852de0d54b4ad192574df183b927fd84007bcb41d9d03", kill_on_drop: false }`
[INFO] [stdout] 6c651c3019d9071e0b6852de0d54b4ad192574df183b927fd84007bcb41d9d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44ca8cbe3ccc294bf577963874911a844b1fd35a4f731e8954d503ce9096e728
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44ca8cbe3ccc294bf577963874911a844b1fd35a4f731e8954d503ce9096e728", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polymorph-11e00cda20514e8d)
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_or_box_std_traits ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_or_owned_as_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_or_owned_std_traits ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_mut_or_box_with_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_or_owned_into_owned ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_mut_or_owned_as_mut ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_mut_or_box_with_box ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_mut_or_box_as_mut ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_or_owned_with_ownership ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_mut_or_box_std_traits ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_or_owned_with_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_or_box_with_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_mut_or_owned_with_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_or_box_as_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::ref_mut_or_owned_std_traits ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_or_box_with_box ... ok
[INFO] [stderr]    Doc-tests polymorph
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_mut_or_owned_with_ownership ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefMutOrOwned (line 81) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefMutOrBox (line 208) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefOrOwned (line 43) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefOrOwned (line 30) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefOrBox (line 171) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefMutOrOwned::into_owned (line 156) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefMutOrOwned (line 94) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefOrOwned::into_owned (line 81) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefOrBox (line 158) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefMutOrBox (line 221) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44ca8cbe3ccc294bf577963874911a844b1fd35a4f731e8954d503ce9096e728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ca8cbe3ccc294bf577963874911a844b1fd35a4f731e8954d503ce9096e728", kill_on_drop: false }`
[INFO] [stdout] 44ca8cbe3ccc294bf577963874911a844b1fd35a4f731e8954d503ce9096e728