[INFO] cloning repository https://github.com/1195655796/15-week-homework4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1195655796/15-week-homework4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1195655796%2F15-week-homework4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1195655796%2F15-week-homework4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dabf57e27186f00cc0888318dfcc527997a569cc [INFO] checking 1195655796/15-week-homework4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1195655796%2F15-week-homework4" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/1195655796/15-week-homework4 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/1195655796/15-week-homework4 [INFO] finished tweaking git repo https://github.com/1195655796/15-week-homework4 [INFO] tweaked toml for git repo https://github.com/1195655796/15-week-homework4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/1195655796/15-week-homework4 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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.92 [INFO] [stderr] Downloaded android_system_properties v0.1.5 [INFO] [stderr] Downloaded windows-targets v0.52.5 [INFO] [stderr] Downloaded iana-time-zone-haiku v0.1.2 [INFO] [stderr] Downloaded pest_generator v2.7.10 [INFO] [stderr] Downloaded version_check v0.9.4 [INFO] [stderr] Downloaded android-tzdata v0.1.1 [INFO] [stderr] Downloaded thiserror-impl v1.0.61 [INFO] [stderr] Downloaded thiserror v1.0.61 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Downloaded core-foundation-sys v0.8.6 [INFO] [stderr] Downloaded windows-core v0.52.0 [INFO] [stderr] Downloaded serde_derive v1.0.202 [INFO] [stderr] Downloaded cc v1.0.98 [INFO] [stderr] Downloaded memchr v2.7.2 [INFO] [stderr] Downloaded js-sys v0.3.69 [INFO] [stderr] Downloaded pest v2.7.10 [INFO] [stderr] Downloaded serde_json v1.0.117 [INFO] [stderr] Downloaded wasm-bindgen v0.2.92 [INFO] [stderr] Downloaded bumpalo v3.16.0 [INFO] [stderr] Downloaded chrono v0.4.38 [INFO] [stderr] Downloaded aho-corasick v1.1.3 [INFO] [stderr] Downloaded regex v1.10.4 [INFO] [stderr] Downloaded syn v2.0.65 [INFO] [stderr] Downloaded serde v1.0.202 [INFO] [stderr] Downloaded pest_meta v2.7.10 [INFO] [stderr] Downloaded regex-syntax v0.8.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.83 [INFO] [stderr] Downloaded winnow v0.6.8 [INFO] [stderr] Downloaded ucd-trie v0.1.6 [INFO] [stderr] Downloaded iana-time-zone v0.1.60 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.52.5 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.52.5 [INFO] [stderr] Downloaded num-traits v0.2.19 [INFO] [stderr] Downloaded log v0.4.21 [INFO] [stderr] Downloaded windows_i686_gnullvm v0.52.5 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.92 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.92 [INFO] [stderr] Downloaded typenum v1.17.0 [INFO] [stderr] Downloaded regex-automata v0.4.6 [INFO] [stderr] Downloaded sha2 v0.10.8 [INFO] [stderr] Downloaded quote v1.0.36 [INFO] [stderr] Downloaded cpufeatures v0.2.12 [INFO] [stderr] Downloaded pest_derive v2.7.10 [INFO] [stderr] Downloaded block-buffer v0.10.4 [INFO] [stderr] Downloaded libc v0.2.155 [INFO] [stderr] Downloaded crypto-common v0.1.6 [INFO] [stderr] Downloaded generic-array v0.14.7 [INFO] [stderr] Downloaded digest v0.10.7 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.52.5 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.52.5 [INFO] [stderr] Downloaded windows_i686_gnu v0.52.5 [INFO] [stderr] Downloaded windows_i686_msvc v0.52.5 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.52.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8b674aceceb6f4c82c5024d4eac2dc6ae77efe27b1f32da8857bb6499c80176a [INFO] running `Command { std: "docker" "start" "-a" "8b674aceceb6f4c82c5024d4eac2dc6ae77efe27b1f32da8857bb6499c80176a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b674aceceb6f4c82c5024d4eac2dc6ae77efe27b1f32da8857bb6499c80176a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b674aceceb6f4c82c5024d4eac2dc6ae77efe27b1f32da8857bb6499c80176a", kill_on_drop: false }` [INFO] [stdout] 8b674aceceb6f4c82c5024d4eac2dc6ae77efe27b1f32da8857bb6499c80176a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f8fb3fe5cc2022de65796f519421be86d9ca9f8a0f825cd0bdcba6d34f4a87f8 [INFO] running `Command { std: "docker" "start" "-a" "f8fb3fe5cc2022de65796f519421be86d9ca9f8a0f825cd0bdcba6d34f4a87f8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.83 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling serde v1.0.202 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking winnow v0.6.8 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.65 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling pest v2.7.10 [INFO] [stderr] Compiling pest_meta v2.7.10 [INFO] [stderr] Compiling pest_generator v2.7.10 [INFO] [stderr] Compiling pest_derive v2.7.10 [INFO] [stderr] Checking grammar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `let` scrutinee expression [INFO] [stdout] --> src/json.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | ("e".value(()) [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 105 | })) { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 97 ~ "e".value(()) [INFO] [stdout] 98 | .parse_next(input) [INFO] [stdout] ... [INFO] [stdout] 104 | .parse_next(input) [INFO] [stdout] 105 ~ }) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `let` scrutinee expression [INFO] [stdout] --> src/json.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | ("e".value(()) [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 105 | })) { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 97 ~ "e".value(()) [INFO] [stdout] 98 | .parse_next(input) [INFO] [stdout] ... [INFO] [stdout] 104 | .parse_next(input) [INFO] [stdout] 105 ~ }) { [INFO] [stdout] | [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.67s [INFO] running `Command { std: "docker" "inspect" "f8fb3fe5cc2022de65796f519421be86d9ca9f8a0f825cd0bdcba6d34f4a87f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8fb3fe5cc2022de65796f519421be86d9ca9f8a0f825cd0bdcba6d34f4a87f8", kill_on_drop: false }` [INFO] [stdout] f8fb3fe5cc2022de65796f519421be86d9ca9f8a0f825cd0bdcba6d34f4a87f8