[INFO] fetching crate unit17 0.1.0...
[INFO] testing unit17-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate unit17 0.1.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unit17 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26c650495a8ac1f5a5e409cc348a634dc0730c2e932a5526a19cb9d583402fe9
[INFO] running `Command { std: "docker" "start" "-a" "26c650495a8ac1f5a5e409cc348a634dc0730c2e932a5526a19cb9d583402fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26c650495a8ac1f5a5e409cc348a634dc0730c2e932a5526a19cb9d583402fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c650495a8ac1f5a5e409cc348a634dc0730c2e932a5526a19cb9d583402fe9", kill_on_drop: false }`
[INFO] [stdout] 26c650495a8ac1f5a5e409cc348a634dc0730c2e932a5526a19cb9d583402fe9
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1db5245ab5f73b712347fab1c4fcdfeabf723c6baa8058190087f6189e97def
[INFO] running `Command { std: "docker" "start" "-a" "a1db5245ab5f73b712347fab1c4fcdfeabf723c6baa8058190087f6189e97def", 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 tr...
[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 0.26s
[INFO] running `Command { std: "docker" "inspect" "a1db5245ab5f73b712347fab1c4fcdfeabf723c6baa8058190087f6189e97def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1db5245ab5f73b712347fab1c4fcdfeabf723c6baa8058190087f6189e97def", kill_on_drop: false }`
[INFO] [stdout] a1db5245ab5f73b712347fab1c4fcdfeabf723c6baa8058190087f6189e97def
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c0a10674b1a8f6e0c8dcee045aa4acebc8a3a00aab68d2a9bcedcc3c6878f24
[INFO] running `Command { std: "docker" "start" "-a" "2c0a10674b1a8f6e0c8dcee045aa4acebc8a3a00aab68d2a9bcedcc3c6878f24", 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 tr...
[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 0.15s
[INFO] running `Command { std: "docker" "inspect" "2c0a10674b1a8f6e0c8dcee045aa4acebc8a3a00aab68d2a9bcedcc3c6878f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0a10674b1a8f6e0c8dcee045aa4acebc8a3a00aab68d2a9bcedcc3c6878f24", kill_on_drop: false }`
[INFO] [stdout] 2c0a10674b1a8f6e0c8dcee045aa4acebc8a3a00aab68d2a9bcedcc3c6878f24
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9d6cdd8e1ed017b4b99a8a1ea6d0d51d7444353ffa9f76fe16c61c1be446733
[INFO] running `Command { std: "docker" "start" "-a" "c9d6cdd8e1ed017b4b99a8a1ea6d0d51d7444353ffa9f76fe16c61c1be446733", kill_on_drop: false }`
[INFO] [stderr] warning: field `dyn_struct_vec` is never read
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct DynStruct {
[INFO] [stderr]    |        --------- field in this struct
[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 tr...
[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 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unit17-9a596083ef1a7dec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9d6cdd8e1ed017b4b99a8a1ea6d0d51d7444353ffa9f76fe16c61c1be446733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d6cdd8e1ed017b4b99a8a1ea6d0d51d7444353ffa9f76fe16c61c1be446733", kill_on_drop: false }`
[INFO] [stdout] c9d6cdd8e1ed017b4b99a8a1ea6d0d51d7444353ffa9f76fe16c61c1be446733