[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#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1195655796%2F15-week-homework4" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1195655796/15-week-homework4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.10.4
[INFO] [stderr]   Downloaded memchr v2.7.2
[INFO] [stderr]   Downloaded regex-automata v0.4.6
[INFO] [stderr]   Downloaded regex-syntax v0.8.3
[INFO] [stderr]   Downloaded winnow v0.6.8
[INFO] [stderr]   Downloaded cc v1.0.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7dca3d999aeb475528562ac85a5475f75fab5bc5d8599f1e598dc964e7dc0b5
[INFO] running `Command { std: "docker" "start" "-a" "d7dca3d999aeb475528562ac85a5475f75fab5bc5d8599f1e598dc964e7dc0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7dca3d999aeb475528562ac85a5475f75fab5bc5d8599f1e598dc964e7dc0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7dca3d999aeb475528562ac85a5475f75fab5bc5d8599f1e598dc964e7dc0b5", kill_on_drop: false }`
[INFO] [stdout] d7dca3d999aeb475528562ac85a5475f75fab5bc5d8599f1e598dc964e7dc0b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9af23f562839aef055fb223d4a6a8ffbcd3369655e2aadb63b95c039d93a29bd
[INFO] running `Command { std: "docker" "start" "-a" "9af23f562839aef055fb223d4a6a8ffbcd3369655e2aadb63b95c039d93a29bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[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 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]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking pest v2.7.10
[INFO] [stderr]     Checking regex v1.10.4
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.96s
[INFO] running `Command { std: "docker" "inspect" "9af23f562839aef055fb223d4a6a8ffbcd3369655e2aadb63b95c039d93a29bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af23f562839aef055fb223d4a6a8ffbcd3369655e2aadb63b95c039d93a29bd", kill_on_drop: false }`
[INFO] [stdout] 9af23f562839aef055fb223d4a6a8ffbcd3369655e2aadb63b95c039d93a29bd
