[INFO] fetching crate cast_trait_object 0.1.4...
[INFO] checking cast_trait_object-0.1.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate cast_trait_object 0.1.4 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cast_trait_object 0.1.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23e3cf7b2b82e25f56a35f93412ff81635c4a4a33260e5910978cce185628d4b
[INFO] running `Command { std: "docker" "start" "-a" "23e3cf7b2b82e25f56a35f93412ff81635c4a4a33260e5910978cce185628d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23e3cf7b2b82e25f56a35f93412ff81635c4a4a33260e5910978cce185628d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e3cf7b2b82e25f56a35f93412ff81635c4a4a33260e5910978cce185628d4b", kill_on_drop: false }`
[INFO] [stdout] 23e3cf7b2b82e25f56a35f93412ff81635c4a4a33260e5910978cce185628d4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e608e1a29c51a8f44d6a22325d7c5b41f74fdd464d8ee888d75e97f17d9bb2
[INFO] running `Command { std: "docker" "start" "-a" "a6e608e1a29c51a8f44d6a22325d7c5b41f74fdd464d8ee888d75e97f17d9bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[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]     Checking 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)]` 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 `dev` profile [unoptimized + debuginfo] target(s) in 9.48s
[INFO] running `Command { std: "docker" "inspect" "a6e608e1a29c51a8f44d6a22325d7c5b41f74fdd464d8ee888d75e97f17d9bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e608e1a29c51a8f44d6a22325d7c5b41f74fdd464d8ee888d75e97f17d9bb2", kill_on_drop: false }`
[INFO] [stdout] a6e608e1a29c51a8f44d6a22325d7c5b41f74fdd464d8ee888d75e97f17d9bb2