[INFO] cloning repository https://github.com/ZhouHansen/async_rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZhouHansen/async_rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhouHansen%2Fasync_rust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhouHansen%2Fasync_rust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 35a57a71145390d68ca6d19ee16905543662d726 [INFO] testing ZhouHansen/async_rust_playground against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhouHansen%2Fasync_rust_playground" "/workspace/builds/worker-48/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZhouHansen/async_rust_playground on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZhouHansen/async_rust_playground [INFO] finished tweaking git repo https://github.com/ZhouHansen/async_rust_playground [INFO] tweaked toml for git repo https://github.com/ZhouHansen/async_rust_playground written to /workspace/builds/worker-48/source/Cargo.toml [INFO] crate git repo https://github.com/ZhouHansen/async_rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85432605263ee33a28e2d15a0c68a1985e799a35bc58c4b82fe53a23d476423d [INFO] running `Command { std: "docker" "start" "-a" "85432605263ee33a28e2d15a0c68a1985e799a35bc58c4b82fe53a23d476423d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85432605263ee33a28e2d15a0c68a1985e799a35bc58c4b82fe53a23d476423d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85432605263ee33a28e2d15a0c68a1985e799a35bc58c4b82fe53a23d476423d", kill_on_drop: false }` [INFO] [stdout] 85432605263ee33a28e2d15a0c68a1985e799a35bc58c4b82fe53a23d476423d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb728abc529edcf4de776c780f88c880f0fcfd2895abed501bdb1e10ce5b157b [INFO] running `Command { std: "docker" "start" "-a" "cb728abc529edcf4de776c780f88c880f0fcfd2895abed501bdb1e10ce5b157b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling async_rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/task_exc.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub task: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 - pub task: Box, [INFO] [stdout] 24 + pub task: Box, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.08s [INFO] running `Command { std: "docker" "inspect" "cb728abc529edcf4de776c780f88c880f0fcfd2895abed501bdb1e10ce5b157b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb728abc529edcf4de776c780f88c880f0fcfd2895abed501bdb1e10ce5b157b", kill_on_drop: false }` [INFO] [stdout] cb728abc529edcf4de776c780f88c880f0fcfd2895abed501bdb1e10ce5b157b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92be40d4580243f8ea888bc14a33ff71d6f38b4a7bc4322459234dbee2a8eb71 [INFO] running `Command { std: "docker" "start" "-a" "92be40d4580243f8ea888bc14a33ff71d6f38b4a7bc4322459234dbee2a8eb71", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/task_exc.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub task: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 - pub task: Box, [INFO] [stdout] 24 + pub task: Box, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling async_rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/task_exc.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub task: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 - pub task: Box, [INFO] [stdout] 24 + pub task: Box, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "92be40d4580243f8ea888bc14a33ff71d6f38b4a7bc4322459234dbee2a8eb71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92be40d4580243f8ea888bc14a33ff71d6f38b4a7bc4322459234dbee2a8eb71", kill_on_drop: false }` [INFO] [stdout] 92be40d4580243f8ea888bc14a33ff71d6f38b4a7bc4322459234dbee2a8eb71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 81e6ec21b1df0b732a43f97b9d7f716ae7410b8b37e8bb28431ec1114f9ea9cb [INFO] running `Command { std: "docker" "start" "-a" "81e6ec21b1df0b732a43f97b9d7f716ae7410b8b37e8bb28431ec1114f9ea9cb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/task_exc.rs:24:19 [INFO] [stderr] | [INFO] [stderr] 24 | pub task: Box, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 24 - pub task: Box, [INFO] [stderr] 24 + pub task: Box, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `async_rust_playground` (lib) generated 1 warning [INFO] [stderr] warning: `async_rust_playground` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_rust_playground-5baa857df19f58af) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_rust_playground-cc0b7431fdb7e48b) [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] [stderr] Doc-tests async_rust_playground [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" "81e6ec21b1df0b732a43f97b9d7f716ae7410b8b37e8bb28431ec1114f9ea9cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81e6ec21b1df0b732a43f97b9d7f716ae7410b8b37e8bb28431ec1114f9ea9cb", kill_on_drop: false }` [INFO] [stdout] 81e6ec21b1df0b732a43f97b9d7f716ae7410b8b37e8bb28431ec1114f9ea9cb