[INFO] fetching crate rsc 2.0.0... [INFO] checking rsc-2.0.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] extracting crate rsc 2.0.0 into /workspace/builds/worker-68/source [INFO] validating manifest of crates.io crate rsc 2.0.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rsc 2.0.0 [INFO] finished tweaking crates.io crate rsc 2.0.0 [INFO] tweaked toml for crates.io crate rsc 2.0.0 written to /workspace/builds/worker-68/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7664eec43fa5055b904dba733857e80580d24d16f1ff7d973a1f18ce7e0a1655 [INFO] running `Command { std: "docker" "start" "-a" "7664eec43fa5055b904dba733857e80580d24d16f1ff7d973a1f18ce7e0a1655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7664eec43fa5055b904dba733857e80580d24d16f1ff7d973a1f18ce7e0a1655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7664eec43fa5055b904dba733857e80580d24d16f1ff7d973a1f18ce7e0a1655", kill_on_drop: false }` [INFO] [stdout] 7664eec43fa5055b904dba733857e80580d24d16f1ff7d973a1f18ce7e0a1655 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab37aab3b41d2e16d78334a3d17d277ebdb7506765a86f40ec12b2143958eeff [INFO] running `Command { std: "docker" "start" "-a" "ab37aab3b41d2e16d78334a3d17d277ebdb7506765a86f40ec12b2143958eeff", kill_on_drop: false }` [INFO] [stderr] Checking rsc v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/computer.rs:70:40 [INFO] [stdout] | [INFO] [stdout] 70 | pub functions: HashMap T>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T` [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/computer.rs:83:53 [INFO] [stdout] | [INFO] [stdout] 83 | let mut map = HashMap:: f64>::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stdout] | [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/computer.rs:70:40 [INFO] [stdout] | [INFO] [stdout] 70 | pub functions: HashMap T>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T` [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/computer.rs:83:53 [INFO] [stdout] | [INFO] [stdout] 83 | let mut map = HashMap:: f64>::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stdout] | [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "ab37aab3b41d2e16d78334a3d17d277ebdb7506765a86f40ec12b2143958eeff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab37aab3b41d2e16d78334a3d17d277ebdb7506765a86f40ec12b2143958eeff", kill_on_drop: false }` [INFO] [stdout] ab37aab3b41d2e16d78334a3d17d277ebdb7506765a86f40ec12b2143958eeff