[INFO] fetching crate unit17 0.1.0...
[INFO] testing unit17-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate unit17 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate unit17 0.1.0
[INFO] finished tweaking crates.io crate unit17 0.1.0
[INFO] tweaked toml for crates.io crate unit17 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unit17 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] crate crates.io crate unit17 0.1.0 already has a lockfile, it will not be regenerated
[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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cd0b90dc06df660196214a53fb34d4806855e500aaae5c6129a2092b0cb87ad5
[INFO] running `Command { std: "docker" "start" "-a" "cd0b90dc06df660196214a53fb34d4806855e500aaae5c6129a2092b0cb87ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd0b90dc06df660196214a53fb34d4806855e500aaae5c6129a2092b0cb87ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0b90dc06df660196214a53fb34d4806855e500aaae5c6129a2092b0cb87ad5", kill_on_drop: false }`
[INFO] [stdout] cd0b90dc06df660196214a53fb34d4806855e500aaae5c6129a2092b0cb87ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0c6e69e307e1d70ff571b8d6aea7003e9b7a90de2c5816e1d86fd81a4ecaf85d
[INFO] running `Command { std: "docker" "start" "-a" "0c6e69e307e1d70ff571b8d6aea7003e9b7a90de2c5816e1d86fd81a4ecaf85d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit17 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `dyn_struct_vec` is never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct DynStruct {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     dyn_struct_vec: Vec<Box<dyn DynTrait>>,// 为了将trait用作trait对象，此处必需要将它放在某种指针之后，比如：&dyn trait、Box<dyn trait>、Rc<dyn trait>...
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0c6e69e307e1d70ff571b8d6aea7003e9b7a90de2c5816e1d86fd81a4ecaf85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6e69e307e1d70ff571b8d6aea7003e9b7a90de2c5816e1d86fd81a4ecaf85d", kill_on_drop: false }`
[INFO] [stdout] 0c6e69e307e1d70ff571b8d6aea7003e9b7a90de2c5816e1d86fd81a4ecaf85d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8ab45c009fcf7df896f77a8194bb94a316f59de069c1a307f9fa0a73fa68e8af
[INFO] running `Command { std: "docker" "start" "-a" "8ab45c009fcf7df896f77a8194bb94a316f59de069c1a307f9fa0a73fa68e8af", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit17 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `dyn_struct_vec` is never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct DynStruct {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     dyn_struct_vec: Vec<Box<dyn DynTrait>>,// 为了将trait用作trait对象，此处必需要将它放在某种指针之后，比如：&dyn trait、Box<dyn trait>、Rc<dyn trait>...
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8ab45c009fcf7df896f77a8194bb94a316f59de069c1a307f9fa0a73fa68e8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab45c009fcf7df896f77a8194bb94a316f59de069c1a307f9fa0a73fa68e8af", kill_on_drop: false }`
[INFO] [stdout] 8ab45c009fcf7df896f77a8194bb94a316f59de069c1a307f9fa0a73fa68e8af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 78491e630b50a026972b8a3f4be44e8fcf69e8ffa806d83aac82100b43153409
[INFO] running `Command { std: "docker" "start" "-a" "78491e630b50a026972b8a3f4be44e8fcf69e8ffa806d83aac82100b43153409", kill_on_drop: false }`
[INFO] [stderr] warning: field `dyn_struct_vec` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 37 | struct DynStruct {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stderr] 40 |     dyn_struct_vec: Vec<Box<dyn DynTrait>>,// 为了将trait用作trait对象，此处必需要将它放在某种指针之后，比如：&dyn trait、Box<dyn trait>、Rc<dyn trait>...
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unit17` (bin "unit17" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unit17-87e7fe0bc7c3c75f)
[INFO] running `Command { std: "docker" "inspect" "78491e630b50a026972b8a3f4be44e8fcf69e8ffa806d83aac82100b43153409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78491e630b50a026972b8a3f4be44e8fcf69e8ffa806d83aac82100b43153409", kill_on_drop: false }`
[INFO] [stdout] 78491e630b50a026972b8a3f4be44e8fcf69e8ffa806d83aac82100b43153409