[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 beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhouHansen%2Fasync_rust_playground" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZhouHansen/async_rust_playground on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcbdf69c5a38a4b51ed9cd5ed31fdc0a32beeff045e01965ff0e126b93f1fc35 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dcbdf69c5a38a4b51ed9cd5ed31fdc0a32beeff045e01965ff0e126b93f1fc35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcbdf69c5a38a4b51ed9cd5ed31fdc0a32beeff045e01965ff0e126b93f1fc35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcbdf69c5a38a4b51ed9cd5ed31fdc0a32beeff045e01965ff0e126b93f1fc35", kill_on_drop: false }` [INFO] [stdout] dcbdf69c5a38a4b51ed9cd5ed31fdc0a32beeff045e01965ff0e126b93f1fc35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f8d90324d51f927af368c065a3d1063e50423fae7643cafecafc0d714ff991be [INFO] running `Command { std: "docker" "start" "-a" "f8d90324d51f927af368c065a3d1063e50423fae7643cafecafc0d714ff991be", kill_on_drop: false }` [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] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ToyTask + Send` [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] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.09s [INFO] running `Command { std: "docker" "inspect" "f8d90324d51f927af368c065a3d1063e50423fae7643cafecafc0d714ff991be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8d90324d51f927af368c065a3d1063e50423fae7643cafecafc0d714ff991be", kill_on_drop: false }` [INFO] [stdout] f8d90324d51f927af368c065a3d1063e50423fae7643cafecafc0d714ff991be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b9739054436beb4856aac4f8a1f2947aec392e97638449db3070a63addb217f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6b9739054436beb4856aac4f8a1f2947aec392e97638449db3070a63addb217f", 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] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ToyTask + Send` [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] [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] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ToyTask + Send` [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] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "6b9739054436beb4856aac4f8a1f2947aec392e97638449db3070a63addb217f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b9739054436beb4856aac4f8a1f2947aec392e97638449db3070a63addb217f", kill_on_drop: false }` [INFO] [stdout] 6b9739054436beb4856aac4f8a1f2947aec392e97638449db3070a63addb217f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b1d8c47a523072327ee30aa9cc3739e4bad32b3bb271dba2e2f617123f6944bf [INFO] running `Command { std: "docker" "start" "-a" "b1d8c47a523072327ee30aa9cc3739e4bad32b3bb271dba2e2f617123f6944bf", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/task_exc.rs:24:19 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 24 | pub task: Box, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ToyTask + Send` [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] [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 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_rust_playground-be27b86bc66590f2) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_rust_playground-d04ff9c289f5884e) [INFO] [stdout] [INFO] [stderr] Doc-tests async_rust_playground [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] [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" "b1d8c47a523072327ee30aa9cc3739e4bad32b3bb271dba2e2f617123f6944bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1d8c47a523072327ee30aa9cc3739e4bad32b3bb271dba2e2f617123f6944bf", kill_on_drop: false }` [INFO] [stdout] b1d8c47a523072327ee30aa9cc3739e4bad32b3bb271dba2e2f617123f6944bf