[INFO] fetching crate polymorph 0.1.0...
[INFO] testing polymorph-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate polymorph 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate polymorph 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e48f603606ccd4f522cec12bd848ca1ea7b44e7c6c9620616bf72d813e06e0c6
[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" "e48f603606ccd4f522cec12bd848ca1ea7b44e7c6c9620616bf72d813e06e0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e48f603606ccd4f522cec12bd848ca1ea7b44e7c6c9620616bf72d813e06e0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48f603606ccd4f522cec12bd848ca1ea7b44e7c6c9620616bf72d813e06e0c6", kill_on_drop: false }`
[INFO] [stdout] e48f603606ccd4f522cec12bd848ca1ea7b44e7c6c9620616bf72d813e06e0c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 212c867fb6a6c3d0b0acbe7cef2753564ba1da16c9982f380770cf79f3629c2c
[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" "212c867fb6a6c3d0b0acbe7cef2753564ba1da16c9982f380770cf79f3629c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling polymorph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "212c867fb6a6c3d0b0acbe7cef2753564ba1da16c9982f380770cf79f3629c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212c867fb6a6c3d0b0acbe7cef2753564ba1da16c9982f380770cf79f3629c2c", kill_on_drop: false }`
[INFO] [stdout] 212c867fb6a6c3d0b0acbe7cef2753564ba1da16c9982f380770cf79f3629c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434ad56fcf897e6c7f32d9c9706e814b3817f62fe5c2c6b7f6328e79717126b8
[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" "434ad56fcf897e6c7f32d9c9706e814b3817f62fe5c2c6b7f6328e79717126b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.5.0
[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 1.60s
[INFO] running `Command { std: "docker" "inspect" "434ad56fcf897e6c7f32d9c9706e814b3817f62fe5c2c6b7f6328e79717126b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434ad56fcf897e6c7f32d9c9706e814b3817f62fe5c2c6b7f6328e79717126b8", kill_on_drop: false }`
[INFO] [stdout] 434ad56fcf897e6c7f32d9c9706e814b3817f62fe5c2c6b7f6328e79717126b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5254b530d2310d6e102796fe60c32152446757adce9d872996c9886ed0a36a7
[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" "d5254b530d2310d6e102796fe60c32152446757adce9d872996c9886ed0a36a7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[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_mut_or_box_as_mut ... 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::ref_mut_or_owned_as_mut ... 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::ref_or_box_as_ref ... ok
[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::test_ref_or_owned_with_ref ... 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::test_ref_or_owned_with_ownership ... 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::test_ref_or_box_with_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_or_box_with_box ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_mut_or_owned_with_ownership ... 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_box ... 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::test_ref_mut_or_owned_with_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polymorph
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[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::RefMutOrOwned (line 94) ... ok
[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::RefOrOwned (line 43) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefMutOrBox (line 221) ... 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::RefOrOwned (line 30) ... 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 171) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefOrBox (line 158) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5254b530d2310d6e102796fe60c32152446757adce9d872996c9886ed0a36a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5254b530d2310d6e102796fe60c32152446757adce9d872996c9886ed0a36a7", kill_on_drop: false }`
[INFO] [stdout] d5254b530d2310d6e102796fe60c32152446757adce9d872996c9886ed0a36a7