[INFO] fetching crate cast_trait_object 0.1.4...
[INFO] testing cast_trait_object-0.1.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate cast_trait_object 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cast_trait_object 0.1.4
[INFO] finished tweaking crates.io crate cast_trait_object 0.1.4
[INFO] tweaked toml for crates.io crate cast_trait_object 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cast_trait_object 0.1.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d53ad6d8d67eeb4a8499ba5c508d43cdc4266b386cdcdf422982f81c4d793a7c
[INFO] running `Command { std: "docker" "start" "-a" "d53ad6d8d67eeb4a8499ba5c508d43cdc4266b386cdcdf422982f81c4d793a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53ad6d8d67eeb4a8499ba5c508d43cdc4266b386cdcdf422982f81c4d793a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53ad6d8d67eeb4a8499ba5c508d43cdc4266b386cdcdf422982f81c4d793a7c", kill_on_drop: false }`
[INFO] [stdout] d53ad6d8d67eeb4a8499ba5c508d43cdc4266b386cdcdf422982f81c4d793a7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb9bba954e58bc7ff2fa5edac740afed65b4e7ded75ca19effddceb753339f8e
[INFO] running `Command { std: "docker" "start" "-a" "eb9bba954e58bc7ff2fa5edac740afed65b4e7ded75ca19effddceb753339f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling cast_trait_object_macros v0.1.4
[INFO] [stderr]    Compiling cast_trait_object v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "eb9bba954e58bc7ff2fa5edac740afed65b4e7ded75ca19effddceb753339f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9bba954e58bc7ff2fa5edac740afed65b4e7ded75ca19effddceb753339f8e", kill_on_drop: false }`
[INFO] [stdout] eb9bba954e58bc7ff2fa5edac740afed65b4e7ded75ca19effddceb753339f8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6145989fc372ec07dddfa45079361c1a385436187dff12f44a32ba21e0d8e589
[INFO] running `Command { std: "docker" "start" "-a" "6145989fc372ec07dddfa45079361c1a385436187dff12f44a32ba21e0d8e589", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast_trait_object v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestSuper` is never constructed
[INFO] [stdout]     --> src/lib.rs:1693:12
[INFO] [stdout]      |
[INFO] [stdout] 1693 |     struct TestSuper;
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestSub` is never constructed
[INFO] [stdout]     --> src/lib.rs:1697:12
[INFO] [stdout]      |
[INFO] [stdout] 1697 |     struct TestSub;
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestSubMixed` is never constructed
[INFO] [stdout]     --> src/lib.rs:1703:12
[INFO] [stdout]      |
[INFO] [stdout] 1703 |     struct TestSubMixed;
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestGenericMixed` is never constructed
[INFO] [stdout]     --> src/lib.rs:1729:12
[INFO] [stdout]      |
[INFO] [stdout] 1729 |     struct TestGenericMixed<T>(T);
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestSuper` is never constructed
[INFO] [stdout]     --> src/lib.rs:1778:16
[INFO] [stdout]      |
[INFO] [stdout] 1778 |         struct TestSuper;
[INFO] [stdout]      |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestSub` is never constructed
[INFO] [stdout]     --> src/lib.rs:1782:16
[INFO] [stdout]      |
[INFO] [stdout] 1782 |         struct TestSub;
[INFO] [stdout]      |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6145989fc372ec07dddfa45079361c1a385436187dff12f44a32ba21e0d8e589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6145989fc372ec07dddfa45079361c1a385436187dff12f44a32ba21e0d8e589", kill_on_drop: false }`
[INFO] [stdout] 6145989fc372ec07dddfa45079361c1a385436187dff12f44a32ba21e0d8e589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ec02f6050b90537db2d4eef1a8f87391eec669782a77fe98dbfb9e65cddaa1e
[INFO] running `Command { std: "docker" "start" "-a" "9ec02f6050b90537db2d4eef1a8f87391eec669782a77fe98dbfb9e65cddaa1e", kill_on_drop: false }`
[INFO] [stderr] warning: struct `TestSuper` is never constructed
[INFO] [stderr]     --> src/lib.rs:1693:12
[INFO] [stderr]      |
[INFO] [stderr] 1693 |     struct TestSuper;
[INFO] [stderr]      |            ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestSub` is never constructed
[INFO] [stderr]     --> src/lib.rs:1697:12
[INFO] [stderr]      |
[INFO] [stderr] 1697 |     struct TestSub;
[INFO] [stderr]      |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestSubMixed` is never constructed
[INFO] [stderr]     --> src/lib.rs:1703:12
[INFO] [stderr]      |
[INFO] [stderr] 1703 |     struct TestSubMixed;
[INFO] [stderr]      |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestGenericMixed` is never constructed
[INFO] [stderr]     --> src/lib.rs:1729:12
[INFO] [stderr]      |
[INFO] [stderr] 1729 |     struct TestGenericMixed<T>(T);
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestSuper` is never constructed
[INFO] [stderr]     --> src/lib.rs:1778:16
[INFO] [stderr]      |
[INFO] [stderr] 1778 |         struct TestSuper;
[INFO] [stderr]      |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestSub` is never constructed
[INFO] [stderr]     --> src/lib.rs:1782:16
[INFO] [stderr]      |
[INFO] [stderr] 1782 |         struct TestSub;
[INFO] [stderr]      |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cast_trait_object` (lib test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cast_trait_object-dbc834a92c112806)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::cast_to_generic_trait_object ... ok
[INFO] [stdout] test tests::generic_impl ... 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]    Doc-tests cast_trait_object
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - (line 245) ... ok
[INFO] [stdout] test src/lib.rs - (line 194) ... ok
[INFO] [stdout] test src/lib.rs - DynCastExt::dyn_upcast (line 765) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - DynCastExt::dyn_cast_with_config (line 837) ... ok
[INFO] [stdout] test src/lib.rs - dyn_upcast (line 480) ... ok
[INFO] [stdout] test src/lib.rs - (line 297) ... ok
[INFO] [stdout] test src/lib.rs - dyn_cast (line 509) ... ok
[INFO] [stdout] test src/lib.rs - dyn_upcast (line 457) ... ok
[INFO] [stdout] test src/lib.rs - DynCastExt::dyn_cast_adv (line 796) ... ok
[INFO] [stdout] test src/lib.rs - dyn_cast (line 532) ... ok
[INFO] [stdout] test src/lib.rs - (line 104) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/lib.rs - DynCastExt::dyn_cast (line 734) ... ok
[INFO] [stdout] test src/lib.rs - (line 143) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ec02f6050b90537db2d4eef1a8f87391eec669782a77fe98dbfb9e65cddaa1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec02f6050b90537db2d4eef1a8f87391eec669782a77fe98dbfb9e65cddaa1e", kill_on_drop: false }`
[INFO] [stdout] 9ec02f6050b90537db2d4eef1a8f87391eec669782a77fe98dbfb9e65cddaa1e