[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] checking ZhouHansen/async_rust_playground against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhouHansen%2Fasync_rust_playground" "/workspace/builds/worker-40/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZhouHansen/async_rust_playground on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-40/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35832a1bbd11afee6ef46abce12827d0ccb8a53c46e6fc26c1c8210c85928f94 [INFO] running `Command { std: "docker" "start" "-a" "35832a1bbd11afee6ef46abce12827d0ccb8a53c46e6fc26c1c8210c85928f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35832a1bbd11afee6ef46abce12827d0ccb8a53c46e6fc26c1c8210c85928f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35832a1bbd11afee6ef46abce12827d0ccb8a53c46e6fc26c1c8210c85928f94", kill_on_drop: false }` [INFO] [stdout] 35832a1bbd11afee6ef46abce12827d0ccb8a53c46e6fc26c1c8210c85928f94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31d09746267a8b00e0cf6762a12c7471f199b5ec8ce7b6b3d5588fc4d8f26060 [INFO] running `Command { std: "docker" "start" "-a" "31d09746267a8b00e0cf6762a12c7471f199b5ec8ce7b6b3d5588fc4d8f26060", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking 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: 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "31d09746267a8b00e0cf6762a12c7471f199b5ec8ce7b6b3d5588fc4d8f26060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31d09746267a8b00e0cf6762a12c7471f199b5ec8ce7b6b3d5588fc4d8f26060", kill_on_drop: false }` [INFO] [stdout] 31d09746267a8b00e0cf6762a12c7471f199b5ec8ce7b6b3d5588fc4d8f26060