[INFO] cloning repository https://github.com/hemantkgupta/prog-rust-2nd-ws [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hemantkgupta/prog-rust-2nd-ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemantkgupta%2Fprog-rust-2nd-ws", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemantkgupta%2Fprog-rust-2nd-ws'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e7ada8d537a54938271437fab1cb3e3a24f58da [INFO] checking hemantkgupta/prog-rust-2nd-ws against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemantkgupta%2Fprog-rust-2nd-ws" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hemantkgupta/prog-rust-2nd-ws on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hemantkgupta/prog-rust-2nd-ws [INFO] finished tweaking git repo https://github.com/hemantkgupta/prog-rust-2nd-ws [INFO] tweaked toml for git repo https://github.com/hemantkgupta/prog-rust-2nd-ws written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hemantkgupta/prog-rust-2nd-ws 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded async-global-executor v2.4.0 [INFO] [stderr] Downloaded sluice v0.4.2 [INFO] [stderr] Downloaded surf v1.0.3 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded isahc v0.7.6 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.8+1.55.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0fb86a0452d508df0a49c093f41b31515557a61b94f05e0d0c96aa83c1b1ad2 [INFO] running `Command { std: "docker" "start" "-a" "e0fb86a0452d508df0a49c093f41b31515557a61b94f05e0d0c96aa83c1b1ad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0fb86a0452d508df0a49c093f41b31515557a61b94f05e0d0c96aa83c1b1ad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0fb86a0452d508df0a49c093f41b31515557a61b94f05e0d0c96aa83c1b1ad2", kill_on_drop: false }` [INFO] [stdout] e0fb86a0452d508df0a49c093f41b31515557a61b94f05e0d0c96aa83c1b1ad2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4c0766c6b7c0b87d91d9320a2b73a9dae6714777051840ba6a1012b44d39a73 [INFO] running `Command { std: "docker" "start" "-a" "c4c0766c6b7c0b87d91d9320a2b73a9dae6714777051840ba6a1012b44d39a73", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Checking value-bag v1.4.2 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling rustix v0.38.26 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking futures-lite v2.1.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking async-task v4.5.0 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking event-listener v4.0.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking async-lock v3.2.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking io-lifetimes v1.0.11 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking async-channel v2.1.1 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking polling v2.8.0 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Compiling curl v0.4.44 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Checking async-executor v1.8.0 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling isahc v0.7.6 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking sluice v0.4.2 [INFO] [stderr] Checking rayon-core v1.12.0 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Compiling libz-sys v1.1.12 [INFO] [stderr] Compiling libnghttp2-sys v0.1.8+1.55.1 [INFO] [stderr] Compiling curl-sys v0.4.68+curl-8.4.0 [INFO] [stderr] Checking base64 v0.21.5 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking integration_testing v0.1.0 (/opt/rustwide/workdir/integration_testing) [INFO] [stderr] Checking ch02 v0.1.0 (/opt/rustwide/workdir/ch02) [INFO] [stderr] Checking ch07_errors v0.1.0 (/opt/rustwide/workdir/ch07_errors) [INFO] [stderr] Checking ch08_crates_modules v0.1.0 (/opt/rustwide/workdir/ch08_crates_modules) [INFO] [stderr] Checking ch09_structs v0.1.0 (/opt/rustwide/workdir/ch09_structs) [INFO] [stderr] Checking ch03_fundamentals v0.1.0 (/opt/rustwide/workdir/ch03_fundamentals) [INFO] [stderr] Checking ch11_traits_and_generics v0.1.0 (/opt/rustwide/workdir/ch11_traits_and_generics) [INFO] [stderr] Checking ch12_overloading v0.1.0 (/opt/rustwide/workdir/ch12_overloading) [INFO] [stderr] Checking ch16_collections v0.1.0 (/opt/rustwide/workdir/ch16_collections) [INFO] [stderr] Checking ch13_utility_traits v0.1.0 (/opt/rustwide/workdir/ch13_utility_traits) [INFO] [stderr] Checking ch22_unsafe_code v0.1.0 (/opt/rustwide/workdir/ch22_unsafe_code) [INFO] [stderr] Checking ch21_macros v0.1.0 (/opt/rustwide/workdir/ch21_macros) [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking testing v0.1.0 (/opt/rustwide/workdir/testing) [INFO] [stderr] Checking ch04_ownership v0.1.0 (/opt/rustwide/workdir/ch04_ownership) [INFO] [stderr] Checking async-io v1.13.0 [INFO] [stderr] Checking ch10_enums_and_patterns v0.1.0 (/opt/rustwide/workdir/ch10_enums_and_patterns) [INFO] [stderr] Checking ch01 v0.1.0 (/opt/rustwide/workdir/ch01) [INFO] [stderr] Checking build_server v0.1.0 (/opt/rustwide/workdir/build_server) [INFO] [stderr] Checking ch06_expressions v0.1.0 (/opt/rustwide/workdir/ch06_expressions) [INFO] [stderr] Checking ch23_foreign_functions v0.1.0 (/opt/rustwide/workdir/ch23_foreign_functions) [INFO] [stderr] Checking ch14_closures v0.1.0 (/opt/rustwide/workdir/ch14_closures) [INFO] [stderr] Checking ch17_strings v0.1.0 (/opt/rustwide/workdir/ch17_strings) [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking ch15_iterators v0.1.0 (/opt/rustwide/workdir/ch15_iterators) [INFO] [stderr] Checking ch05_references v0.1.0 (/opt/rustwide/workdir/ch05_references) [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking ch19_concurrency v0.1.0 (/opt/rustwide/workdir/ch19_concurrency) [INFO] [stderr] Checking polling v3.3.1 [INFO] [stderr] Checking async-io v2.2.1 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking async-global-executor v2.4.0 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking surf v1.0.3 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking ch20_async v0.1.0 (/opt/rustwide/workdir/ch20_async) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> ch20_async/src/async4.rs:93:17 [INFO] [stdout] | [INFO] [stdout] 93 | Some(void) => match void {}, [INFO] [stdout] | ^^^^^^^^^^ matches no values because `Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> ch20_async/src/async4.rs:93:17 [INFO] [stdout] | [INFO] [stdout] 93 | Some(void) => match void {}, [INFO] [stdout] | ^^^^^^^^^^ matches no values because `Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [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] Checking hyper v0.14.27 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.22 [INFO] [stderr] Checking ch18_io v0.1.0 (/opt/rustwide/workdir/ch18_io) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.48s [INFO] running `Command { std: "docker" "inspect" "c4c0766c6b7c0b87d91d9320a2b73a9dae6714777051840ba6a1012b44d39a73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4c0766c6b7c0b87d91d9320a2b73a9dae6714777051840ba6a1012b44d39a73", kill_on_drop: false }` [INFO] [stdout] c4c0766c6b7c0b87d91d9320a2b73a9dae6714777051840ba6a1012b44d39a73 [INFO] checking hemantkgupta/prog-rust-2nd-ws against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemantkgupta%2Fprog-rust-2nd-ws" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hemantkgupta/prog-rust-2nd-ws on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hemantkgupta/prog-rust-2nd-ws [INFO] finished tweaking git repo https://github.com/hemantkgupta/prog-rust-2nd-ws [INFO] tweaked toml for git repo https://github.com/hemantkgupta/prog-rust-2nd-ws written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hemantkgupta/prog-rust-2nd-ws 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c83bf0772d32771442098577d860be779b85d2d417a0ddfdd32b6b1c26ba4ac2 [INFO] running `Command { std: "docker" "start" "-a" "c83bf0772d32771442098577d860be779b85d2d417a0ddfdd32b6b1c26ba4ac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c83bf0772d32771442098577d860be779b85d2d417a0ddfdd32b6b1c26ba4ac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c83bf0772d32771442098577d860be779b85d2d417a0ddfdd32b6b1c26ba4ac2", kill_on_drop: false }` [INFO] [stdout] c83bf0772d32771442098577d860be779b85d2d417a0ddfdd32b6b1c26ba4ac2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f2dfb30257650abc2e07a62a1d82418ed30ea86d329a1ff7d88ec08f6300a7c [INFO] running `Command { std: "docker" "start" "-a" "9f2dfb30257650abc2e07a62a1d82418ed30ea86d329a1ff7d88ec08f6300a7c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking value-bag v1.4.2 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling rustix v0.38.26 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking futures-lite v2.1.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking async-task v4.5.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling openssl v0.10.60 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Checking event-listener v4.0.0 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking async-lock v3.2.0 [INFO] [stderr] Checking async-channel v2.1.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking io-lifetimes v1.0.11 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking polling v2.8.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking async-executor v1.8.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Compiling curl v0.4.44 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling isahc v0.7.6 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking sluice v0.4.2 [INFO] [stderr] Checking rayon-core v1.12.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Compiling openssl-sys v0.9.96 [INFO] [stderr] Compiling libnghttp2-sys v0.1.8+1.55.1 [INFO] [stderr] Compiling libz-sys v1.1.12 [INFO] [stderr] Compiling curl-sys v0.4.68+curl-8.4.0 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking base64 v0.21.5 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking integration_testing v0.1.0 (/opt/rustwide/workdir/integration_testing) [INFO] [stderr] Checking ch11_traits_and_generics v0.1.0 (/opt/rustwide/workdir/ch11_traits_and_generics) [INFO] [stderr] Checking testing v0.1.0 (/opt/rustwide/workdir/testing) [INFO] [stderr] Checking ch10_enums_and_patterns v0.1.0 (/opt/rustwide/workdir/ch10_enums_and_patterns) [INFO] [stderr] Checking ch02 v0.1.0 (/opt/rustwide/workdir/ch02) [INFO] [stderr] Checking ch03_fundamentals v0.1.0 (/opt/rustwide/workdir/ch03_fundamentals) [INFO] [stderr] Checking ch14_closures v0.1.0 (/opt/rustwide/workdir/ch14_closures) [INFO] [stderr] Checking ch23_foreign_functions v0.1.0 (/opt/rustwide/workdir/ch23_foreign_functions) [INFO] [stderr] Checking ch05_references v0.1.0 (/opt/rustwide/workdir/ch05_references) [INFO] [stderr] Checking ch08_crates_modules v0.1.0 (/opt/rustwide/workdir/ch08_crates_modules) [INFO] [stderr] Checking ch04_ownership v0.1.0 (/opt/rustwide/workdir/ch04_ownership) [INFO] [stderr] Checking ch01 v0.1.0 (/opt/rustwide/workdir/ch01) [INFO] [stderr] Checking ch12_overloading v0.1.0 (/opt/rustwide/workdir/ch12_overloading) [INFO] [stderr] Checking async-io v1.13.0 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ch07_errors v0.1.0 (/opt/rustwide/workdir/ch07_errors) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> ch07_errors/src/results.rs:98:11 [INFO] [stdout] | [INFO] [stdout] 89 | let username_file_result = File::open("hello.txt"); [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 90 | [INFO] [stdout] 91 | let mut username_file = match username_file_result { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 92 | Ok(file) => file, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 93 | Err(e) => return Err(e), [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 98 | match username_file.read_to_string(&mut username) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ch07_errors` (bin "ch07_errors") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9f2dfb30257650abc2e07a62a1d82418ed30ea86d329a1ff7d88ec08f6300a7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f2dfb30257650abc2e07a62a1d82418ed30ea86d329a1ff7d88ec08f6300a7c", kill_on_drop: false }` [INFO] [stdout] 9f2dfb30257650abc2e07a62a1d82418ed30ea86d329a1ff7d88ec08f6300a7c