[INFO] cloning repository https://github.com/nw-wood/rust_book_workspace [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nw-wood/rust_book_workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnw-wood%2Frust_book_workspace", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnw-wood%2Frust_book_workspace'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 962db9da0cb2e1039578f83dca59e72ee40a2960 [INFO] building nw-wood/rust_book_workspace against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnw-wood%2Frust_book_workspace" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nw-wood/rust_book_workspace on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nw-wood/rust_book_workspace [INFO] finished tweaking git repo https://github.com/nw-wood/rust_book_workspace [INFO] tweaked toml for git repo https://github.com/nw-wood/rust_book_workspace written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nw-wood/rust_book_workspace 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rust_list v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73922c14d013c80414075621032d727e09268e4b78136fe7c207754a8f6f1448 [INFO] running `Command { std: "docker" "start" "-a" "73922c14d013c80414075621032d727e09268e4b78136fe7c207754a8f6f1448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73922c14d013c80414075621032d727e09268e4b78136fe7c207754a8f6f1448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73922c14d013c80414075621032d727e09268e4b78136fe7c207754a8f6f1448", kill_on_drop: false }` [INFO] [stdout] 73922c14d013c80414075621032d727e09268e4b78136fe7c207754a8f6f1448 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c03518560781e6e5bacc9dfbb4642a8bd8275611e9351cb9f82d4b1938e0ccf6 [INFO] running `Command { std: "docker" "start" "-a" "c03518560781e6e5bacc9dfbb4642a8bd8275611e9351cb9f82d4b1938e0ccf6", kill_on_drop: false }` [INFO] [stderr] Compiling rust_book_utilities v0.1.0 (/opt/rustwide/workdir/rust_book_utilities) [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling rust_list v0.2.0 [INFO] [stderr] Compiling _5_using_structs_to_structure_related_data v0.1.0 (/opt/rustwide/workdir/_5_using_structs_to_structure_related_data) [INFO] [stderr] Compiling _11_writing_automated_tests v0.1.0 (/opt/rustwide/workdir/_11_writing_automated_tests) [INFO] [stderr] Compiling _17_object_oreinted_programming_in_rust v0.1.0 (/opt/rustwide/workdir/_17_object_oreinted_programming_in_rust) [INFO] [stderr] Compiling _12_building_a_command_line_program v0.1.0 (/opt/rustwide/workdir/_12_building_a_command_line_program) [INFO] [stderr] Compiling _14_cargo_and_crates_io v0.1.0 (/opt/rustwide/workdir/_14_cargo_and_crates_io) [INFO] [stderr] Compiling _9_error_handling v0.1.0 (/opt/rustwide/workdir/_9_error_handling) [INFO] [stderr] Compiling _3_common_programming_concepts v0.1.0 (/opt/rustwide/workdir/_3_common_programming_concepts) [INFO] [stderr] Compiling _7_packages_crates_and_modules v0.1.0 (/opt/rustwide/workdir/_7_packages_crates_and_modules) [INFO] [stderr] Compiling _21_appendix v0.1.0 (/opt/rustwide/workdir/_21_appendix) [INFO] [stderr] Compiling _20_building_a_multithreaded_web_server v0.1.0 (/opt/rustwide/workdir/_20_building_a_multithreaded_web_server) [INFO] [stderr] Compiling _8_common_collections v0.1.0 (/opt/rustwide/workdir/_8_common_collections) [INFO] [stderr] Compiling _10_generic_types_traits_and_lifetimes v0.1.0 (/opt/rustwide/workdir/_10_generic_types_traits_and_lifetimes) [INFO] [stderr] Compiling _15_smart_pointers v0.1.0 (/opt/rustwide/workdir/_15_smart_pointers) [INFO] [stderr] Compiling _18_patterns_and_matching v0.1.0 (/opt/rustwide/workdir/_18_patterns_and_matching) [INFO] [stderr] Compiling _16_fearless_concurrency v0.1.0 (/opt/rustwide/workdir/_16_fearless_concurrency) [INFO] [stderr] Compiling _19_advanced_features v0.1.0 (/opt/rustwide/workdir/_19_advanced_features) [INFO] [stderr] Compiling _13_iterators_and_closures v0.1.0 (/opt/rustwide/workdir/_13_iterators_and_closures) [INFO] [stderr] Compiling _1_getting_started v0.1.0 (/opt/rustwide/workdir/_1_getting_started) [INFO] [stderr] Compiling _6_enums_and_pattern_matching v0.1.0 (/opt/rustwide/workdir/_6_enums_and_pattern_matching) [INFO] [stderr] Compiling _4_understanding_ownership v0.1.0 (/opt/rustwide/workdir/_4_understanding_ownership) [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling _2_programming_a_guessing_game v0.1.0 (/opt/rustwide/workdir/_2_programming_a_guessing_game) [INFO] [stderr] Compiling rust_book_run v0.1.0 (/opt/rustwide/workdir/rust_book_run) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s [INFO] running `Command { std: "docker" "inspect" "c03518560781e6e5bacc9dfbb4642a8bd8275611e9351cb9f82d4b1938e0ccf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c03518560781e6e5bacc9dfbb4642a8bd8275611e9351cb9f82d4b1938e0ccf6", kill_on_drop: false }` [INFO] [stdout] c03518560781e6e5bacc9dfbb4642a8bd8275611e9351cb9f82d4b1938e0ccf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 264275cbedc6b12f21293368eec5de9af6ad33f4b68c9c84881001d8c7e4322e [INFO] running `Command { std: "docker" "start" "-a" "264275cbedc6b12f21293368eec5de9af6ad33f4b68c9c84881001d8c7e4322e", kill_on_drop: false }` [INFO] [stderr] Compiling rust_book_run v0.1.0 (/opt/rustwide/workdir/rust_book_run) [INFO] [stderr] Compiling _15_smart_pointers v0.1.0 (/opt/rustwide/workdir/_15_smart_pointers) [INFO] [stderr] Compiling _2_programming_a_guessing_game v0.1.0 (/opt/rustwide/workdir/_2_programming_a_guessing_game) [INFO] [stderr] Compiling _3_common_programming_concepts v0.1.0 (/opt/rustwide/workdir/_3_common_programming_concepts) [INFO] [stderr] Compiling _19_advanced_features v0.1.0 (/opt/rustwide/workdir/_19_advanced_features) [INFO] [stderr] Compiling _18_patterns_and_matching v0.1.0 (/opt/rustwide/workdir/_18_patterns_and_matching) [INFO] [stderr] Compiling _5_using_structs_to_structure_related_data v0.1.0 (/opt/rustwide/workdir/_5_using_structs_to_structure_related_data) [INFO] [stderr] Compiling _17_object_oreinted_programming_in_rust v0.1.0 (/opt/rustwide/workdir/_17_object_oreinted_programming_in_rust) [INFO] [stderr] Compiling _13_iterators_and_closures v0.1.0 (/opt/rustwide/workdir/_13_iterators_and_closures) [INFO] [stderr] Compiling _16_fearless_concurrency v0.1.0 (/opt/rustwide/workdir/_16_fearless_concurrency) [INFO] [stderr] Compiling _21_appendix v0.1.0 (/opt/rustwide/workdir/_21_appendix) [INFO] [stderr] Compiling _11_writing_automated_tests v0.1.0 (/opt/rustwide/workdir/_11_writing_automated_tests) [INFO] [stderr] Compiling _14_cargo_and_crates_io v0.1.0 (/opt/rustwide/workdir/_14_cargo_and_crates_io) [INFO] [stderr] Compiling _10_generic_types_traits_and_lifetimes v0.1.0 (/opt/rustwide/workdir/_10_generic_types_traits_and_lifetimes) [INFO] [stderr] Compiling _12_building_a_command_line_program v0.1.0 (/opt/rustwide/workdir/_12_building_a_command_line_program) [INFO] [stderr] Compiling _7_packages_crates_and_modules v0.1.0 (/opt/rustwide/workdir/_7_packages_crates_and_modules) [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> _19_advanced_features/src/lib.rs:104:24 [INFO] [stdout] | [INFO] [stdout] 104 | assert_eq!(COUNTER, 3); //required again to assert equal to 3 [INFO] [stdout] | ^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling _20_building_a_multithreaded_web_server v0.1.0 (/opt/rustwide/workdir/_20_building_a_multithreaded_web_server) [INFO] [stderr] Compiling _4_understanding_ownership v0.1.0 (/opt/rustwide/workdir/_4_understanding_ownership) [INFO] [stderr] Compiling _6_enums_and_pattern_matching v0.1.0 (/opt/rustwide/workdir/_6_enums_and_pattern_matching) [INFO] [stderr] Compiling _1_getting_started v0.1.0 (/opt/rustwide/workdir/_1_getting_started) [INFO] [stderr] Compiling _8_common_collections v0.1.0 (/opt/rustwide/workdir/_8_common_collections) [INFO] [stderr] Compiling _9_error_handling v0.1.0 (/opt/rustwide/workdir/_9_error_handling) [INFO] [stderr] Compiling rust_book_utilities v0.1.0 (/opt/rustwide/workdir/rust_book_utilities) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "264275cbedc6b12f21293368eec5de9af6ad33f4b68c9c84881001d8c7e4322e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "264275cbedc6b12f21293368eec5de9af6ad33f4b68c9c84881001d8c7e4322e", kill_on_drop: false }` [INFO] [stdout] 264275cbedc6b12f21293368eec5de9af6ad33f4b68c9c84881001d8c7e4322e