[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] checking nw-wood/rust_book_workspace against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnw-wood%2Frust_book_workspace" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [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-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nw-wood/rust_book_workspace on toolchain 987a165cfab916796a8315782b83ac460a651ce2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d69b4bd0ec71fbaf977152027987ecf80dc7078e25289789dbea45741e054f4a [INFO] running `Command { std: "docker" "start" "-a" "d69b4bd0ec71fbaf977152027987ecf80dc7078e25289789dbea45741e054f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d69b4bd0ec71fbaf977152027987ecf80dc7078e25289789dbea45741e054f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d69b4bd0ec71fbaf977152027987ecf80dc7078e25289789dbea45741e054f4a", kill_on_drop: false }` [INFO] [stdout] d69b4bd0ec71fbaf977152027987ecf80dc7078e25289789dbea45741e054f4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37b7b685ef4c11e3b5bcfde7e224c5fc37eeb601749f83cc5cdf7dc1e9adc71e [INFO] running `Command { std: "docker" "start" "-a" "37b7b685ef4c11e3b5bcfde7e224c5fc37eeb601749f83cc5cdf7dc1e9adc71e", kill_on_drop: false }` [INFO] [stderr] Checking rust_book_utilities v0.1.0 (/opt/rustwide/workdir/rust_book_utilities) [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking rust_list v0.2.0 [INFO] [stderr] Checking _6_enums_and_pattern_matching v0.1.0 (/opt/rustwide/workdir/_6_enums_and_pattern_matching) [INFO] [stderr] Checking _18_patterns_and_matching v0.1.0 (/opt/rustwide/workdir/_18_patterns_and_matching) [INFO] [stderr] Checking _5_using_structs_to_structure_related_data v0.1.0 (/opt/rustwide/workdir/_5_using_structs_to_structure_related_data) [INFO] [stderr] Checking _13_iterators_and_closures v0.1.0 (/opt/rustwide/workdir/_13_iterators_and_closures) [INFO] [stderr] Checking _3_common_programming_concepts v0.1.0 (/opt/rustwide/workdir/_3_common_programming_concepts) [INFO] [stderr] Checking _20_building_a_multithreaded_web_server v0.1.0 (/opt/rustwide/workdir/_20_building_a_multithreaded_web_server) [INFO] [stderr] Checking _17_object_oreinted_programming_in_rust v0.1.0 (/opt/rustwide/workdir/_17_object_oreinted_programming_in_rust) [INFO] [stderr] Checking _19_advanced_features v0.1.0 (/opt/rustwide/workdir/_19_advanced_features) [INFO] [stderr] Checking _15_smart_pointers v0.1.0 (/opt/rustwide/workdir/_15_smart_pointers) [INFO] [stderr] Checking _4_understanding_ownership v0.1.0 (/opt/rustwide/workdir/_4_understanding_ownership) [INFO] [stderr] Checking _7_packages_crates_and_modules v0.1.0 (/opt/rustwide/workdir/_7_packages_crates_and_modules) [INFO] [stderr] Checking _10_generic_types_traits_and_lifetimes v0.1.0 (/opt/rustwide/workdir/_10_generic_types_traits_and_lifetimes) [INFO] [stderr] Checking _14_cargo_and_crates_io v0.1.0 (/opt/rustwide/workdir/_14_cargo_and_crates_io) [INFO] [stderr] Checking _9_error_handling v0.1.0 (/opt/rustwide/workdir/_9_error_handling) [INFO] [stderr] Checking _1_getting_started v0.1.0 (/opt/rustwide/workdir/_1_getting_started) [INFO] [stderr] Checking _16_fearless_concurrency v0.1.0 (/opt/rustwide/workdir/_16_fearless_concurrency) [INFO] [stderr] Checking _11_writing_automated_tests v0.1.0 (/opt/rustwide/workdir/_11_writing_automated_tests) [INFO] [stderr] Checking _12_building_a_command_line_program v0.1.0 (/opt/rustwide/workdir/_12_building_a_command_line_program) [INFO] [stderr] Checking _8_common_collections v0.1.0 (/opt/rustwide/workdir/_8_common_collections) [INFO] [stderr] Checking _21_appendix v0.1.0 (/opt/rustwide/workdir/_21_appendix) [INFO] [stdout] warning: creating a shared reference to mutable static [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] [stdout] warning: struct `Button` is never constructed [INFO] [stdout] --> _17_object_oreinted_programming_in_rust/src/lib.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 53 | pub struct Button {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking _2_programming_a_guessing_game v0.1.0 (/opt/rustwide/workdir/_2_programming_a_guessing_game) [INFO] [stderr] Checking rust_book_run v0.1.0 (/opt/rustwide/workdir/rust_book_run) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "37b7b685ef4c11e3b5bcfde7e224c5fc37eeb601749f83cc5cdf7dc1e9adc71e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37b7b685ef4c11e3b5bcfde7e224c5fc37eeb601749f83cc5cdf7dc1e9adc71e", kill_on_drop: false }` [INFO] [stdout] 37b7b685ef4c11e3b5bcfde7e224c5fc37eeb601749f83cc5cdf7dc1e9adc71e