[INFO] fetching crate unit17 0.1.0...
[INFO] testing unit17-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate unit17 0.1.0 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unit17 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f56524e46f72dc707ed1b99bd6f5357a425a1a1e1a7b3c1072a65a323afed63
[INFO] running `Command { std: "docker" "start" "-a" "5f56524e46f72dc707ed1b99bd6f5357a425a1a1e1a7b3c1072a65a323afed63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f56524e46f72dc707ed1b99bd6f5357a425a1a1e1a7b3c1072a65a323afed63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f56524e46f72dc707ed1b99bd6f5357a425a1a1e1a7b3c1072a65a323afed63", kill_on_drop: false }`
[INFO] [stdout] 5f56524e46f72dc707ed1b99bd6f5357a425a1a1e1a7b3c1072a65a323afed63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5046cc9f200df564190ccf7c713c96dd7ad067e37f5141645411db54566daf7
[INFO] running `Command { std: "docker" "start" "-a" "c5046cc9f200df564190ccf7c713c96dd7ad067e37f5141645411db54566daf7", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "c5046cc9f200df564190ccf7c713c96dd7ad067e37f5141645411db54566daf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5046cc9f200df564190ccf7c713c96dd7ad067e37f5141645411db54566daf7", kill_on_drop: false }`
[INFO] [stdout] c5046cc9f200df564190ccf7c713c96dd7ad067e37f5141645411db54566daf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eded6804ab0ca875d02d695a5315f94db2e49dc910489aefb598fb18f19a96f
[INFO] running `Command { std: "docker" "start" "-a" "1eded6804ab0ca875d02d695a5315f94db2e49dc910489aefb598fb18f19a96f", 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 0.37s
[INFO] running `Command { std: "docker" "inspect" "1eded6804ab0ca875d02d695a5315f94db2e49dc910489aefb598fb18f19a96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eded6804ab0ca875d02d695a5315f94db2e49dc910489aefb598fb18f19a96f", kill_on_drop: false }`
[INFO] [stdout] 1eded6804ab0ca875d02d695a5315f94db2e49dc910489aefb598fb18f19a96f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e46bd85880137e5d85ce3ec3388d51ca99f621feb5fb11ab14d4a0d95af22559
[INFO] running `Command { std: "docker" "start" "-a" "e46bd85880137e5d85ce3ec3388d51ca99f621feb5fb11ab14d4a0d95af22559", 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 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unit17-a41a9ad6708b7536)
[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" "e46bd85880137e5d85ce3ec3388d51ca99f621feb5fb11ab14d4a0d95af22559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46bd85880137e5d85ce3ec3388d51ca99f621feb5fb11ab14d4a0d95af22559", kill_on_drop: false }`
[INFO] [stdout] e46bd85880137e5d85ce3ec3388d51ca99f621feb5fb11ab14d4a0d95af22559
