[INFO] cloning repository https://github.com/francoisperron/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/francoisperron/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancoisperron%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancoisperron%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc77f0b994d1fd5894859f41158e76966e123121 [INFO] checking francoisperron/learning-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancoisperron%2Flearning-rust" "/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/francoisperron/learning-rust 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/francoisperron/learning-rust [INFO] finished tweaking git repo https://github.com/francoisperron/learning-rust [INFO] tweaked toml for git repo https://github.com/francoisperron/learning-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/francoisperron/learning-rust 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] 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] 79e00c1c76963f580e2fefce2c0925412d4a2ac9d4e2bfc298c5e32c08ed9eaa [INFO] running `Command { std: "docker" "start" "-a" "79e00c1c76963f580e2fefce2c0925412d4a2ac9d4e2bfc298c5e32c08ed9eaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79e00c1c76963f580e2fefce2c0925412d4a2ac9d4e2bfc298c5e32c08ed9eaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79e00c1c76963f580e2fefce2c0925412d4a2ac9d4e2bfc298c5e32c08ed9eaa", kill_on_drop: false }` [INFO] [stdout] 79e00c1c76963f580e2fefce2c0925412d4a2ac9d4e2bfc298c5e32c08ed9eaa [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] f11737d3dd368ccb0c0476b82e49c98d600feb624a8c8fa43a2940ebbd707150 [INFO] running `Command { std: "docker" "start" "-a" "f11737d3dd368ccb0c0476b82e49c98d600feb624a8c8fa43a2940ebbd707150", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking hashbrown v0.14.2 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking _19_hello_macro v0.1.0 (/opt/rustwide/workdir/src/book/_19_hello_macro) [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking _12_minigrep v0.1.0 (/opt/rustwide/workdir/src/book/_12_minigrep) [INFO] [stderr] Checking _20_web_server v0.1.0 (/opt/rustwide/workdir/src/book/_20_web_server) [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Compiling psm v0.1.21 [INFO] [stderr] Compiling stacker v0.1.15 [INFO] [stderr] Checking _19_hello_macro_derive v0.1.0 (/opt/rustwide/workdir/src/book/_19_hello_macro/_19_hello_macro_derive) [INFO] [stderr] Checking learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/book/_06_enums.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 29 | V4((), (), (), ()), [INFO] [stdout] | ~~ ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/book/_06_enums.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 30 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/book/_15_box.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 31 | Cons(i32, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serial_test_derive v2.0.0 [INFO] [stderr] Checking serial_test v2.0.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking bstr v1.7.0 [INFO] [stderr] Checking predicates v3.0.4 [INFO] [stderr] Checking assert_cmd v2.0.12 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s [INFO] running `Command { std: "docker" "inspect" "f11737d3dd368ccb0c0476b82e49c98d600feb624a8c8fa43a2940ebbd707150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f11737d3dd368ccb0c0476b82e49c98d600feb624a8c8fa43a2940ebbd707150", kill_on_drop: false }` [INFO] [stdout] f11737d3dd368ccb0c0476b82e49c98d600feb624a8c8fa43a2940ebbd707150