[INFO] fetching crate polymorph 0.1.0...
[INFO] testing polymorph-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate polymorph 0.1.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polymorph 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbd59b4f7d50b2684010d960b9bc410221ba50ed30542f20ce410e5cae84f2d7
[INFO] running `Command { std: "docker" "start" "-a" "bbd59b4f7d50b2684010d960b9bc410221ba50ed30542f20ce410e5cae84f2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd59b4f7d50b2684010d960b9bc410221ba50ed30542f20ce410e5cae84f2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd59b4f7d50b2684010d960b9bc410221ba50ed30542f20ce410e5cae84f2d7", kill_on_drop: false }`
[INFO] [stdout] bbd59b4f7d50b2684010d960b9bc410221ba50ed30542f20ce410e5cae84f2d7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b52d2bb25a95b59859a9436caa3338f35f1b7c3a9de77f3747a805901934858b
[INFO] running `Command { std: "docker" "start" "-a" "b52d2bb25a95b59859a9436caa3338f35f1b7c3a9de77f3747a805901934858b", kill_on_drop: false }`
[INFO] [stderr]    Compiling polymorph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "b52d2bb25a95b59859a9436caa3338f35f1b7c3a9de77f3747a805901934858b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52d2bb25a95b59859a9436caa3338f35f1b7c3a9de77f3747a805901934858b", kill_on_drop: false }`
[INFO] [stdout] b52d2bb25a95b59859a9436caa3338f35f1b7c3a9de77f3747a805901934858b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20f85d5c32725f775c6e3e05b769eaf3e42d0c1bc511e5d42e6666910d1bd1f0
[INFO] running `Command { std: "docker" "start" "-a" "20f85d5c32725f775c6e3e05b769eaf3e42d0c1bc511e5d42e6666910d1bd1f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling polymorph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "20f85d5c32725f775c6e3e05b769eaf3e42d0c1bc511e5d42e6666910d1bd1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f85d5c32725f775c6e3e05b769eaf3e42d0c1bc511e5d42e6666910d1bd1f0", kill_on_drop: false }`
[INFO] [stdout] 20f85d5c32725f775c6e3e05b769eaf3e42d0c1bc511e5d42e6666910d1bd1f0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3c106de18ddf9be55bc76937bf65e766baa36131b5c050dcef653d950ecfb6f
[INFO] running `Command { std: "docker" "start" "-a" "b3c106de18ddf9be55bc76937bf65e766baa36131b5c050dcef653d950ecfb6f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polymorph-f6dde47897e203b2)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[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_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::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_into_owned ... 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::test_ref_mut_or_owned_with_ownership ... 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_owned_with_ref ... 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_box_with_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::test_ref_or_owned_with_ref ... ok
[INFO] [stdout] test ref_or_owned::ref_or_owned_tests::test_ref_or_box_with_box ... 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] [stderr]    Doc-tests polymorph
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[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 (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<'_,T>::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::RefMutOrOwned (line 94) ... ok
[INFO] [stdout] test src/ref_or_owned.rs - ref_or_owned::RefOrOwned<'_,T>::into_owned (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::RefOrBox (line 158) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3c106de18ddf9be55bc76937bf65e766baa36131b5c050dcef653d950ecfb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c106de18ddf9be55bc76937bf65e766baa36131b5c050dcef653d950ecfb6f", kill_on_drop: false }`
[INFO] [stdout] b3c106de18ddf9be55bc76937bf65e766baa36131b5c050dcef653d950ecfb6f