[INFO] fetching crate unit17 0.1.0... [INFO] building unit17-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [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 d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6df858d29b1ec29c812e24c8bcb0616c21f132e32941b245b0f360701029de2 [INFO] running `Command { std: "docker" "start" "-a" "b6df858d29b1ec29c812e24c8bcb0616c21f132e32941b245b0f360701029de2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6df858d29b1ec29c812e24c8bcb0616c21f132e32941b245b0f360701029de2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6df858d29b1ec29c812e24c8bcb0616c21f132e32941b245b0f360701029de2", kill_on_drop: false }` [INFO] [stdout] b6df858d29b1ec29c812e24c8bcb0616c21f132e32941b245b0f360701029de2 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0420b62d48e2b909bfe7e143db567be2b3b7f3b2afe2c64820265aa91d14bfa3 [INFO] running `Command { std: "docker" "start" "-a" "0420b62d48e2b909bfe7e143db567be2b3b7f3b2afe2c64820265aa91d14bfa3", 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>,// 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、Rc... [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" "0420b62d48e2b909bfe7e143db567be2b3b7f3b2afe2c64820265aa91d14bfa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0420b62d48e2b909bfe7e143db567be2b3b7f3b2afe2c64820265aa91d14bfa3", kill_on_drop: false }` [INFO] [stdout] 0420b62d48e2b909bfe7e143db567be2b3b7f3b2afe2c64820265aa91d14bfa3 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7076ab46023725b10f3c427d1fbe081863030afb9398404c84e0e02ed0bd0f97 [INFO] running `Command { std: "docker" "start" "-a" "7076ab46023725b10f3c427d1fbe081863030afb9398404c84e0e02ed0bd0f97", 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>,// 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、Rc... [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 0.27s [INFO] running `Command { std: "docker" "inspect" "7076ab46023725b10f3c427d1fbe081863030afb9398404c84e0e02ed0bd0f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7076ab46023725b10f3c427d1fbe081863030afb9398404c84e0e02ed0bd0f97", kill_on_drop: false }` [INFO] [stdout] 7076ab46023725b10f3c427d1fbe081863030afb9398404c84e0e02ed0bd0f97