[INFO] cloning repository https://github.com/kasshii28/Study-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kasshii28/Study-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasshii28%2FStudy-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasshii28%2FStudy-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b4697bc43ce762017ec48aa3e142c053f46941
[INFO] checking kasshii28/Study-Rust against 24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasshii28%2FStudy-Rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  99% (1838/1846)
Updating files: 100% (1846/1846)
Updating files: 100% (1846/1846), done.
[INFO] started tweaking git repo https://github.com/kasshii28/Study-Rust
[INFO] finished tweaking git repo https://github.com/kasshii28/Study-Rust
[INFO] tweaked toml for git repo https://github.com/kasshii28/Study-Rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kasshii28/Study-Rust on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kasshii28/Study-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" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407
[INFO] running `Command { std: "docker" "start" "df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking match_iflet v0.1.0 (/opt/rustwide/workdir/match_iflet)
[INFO] [stderr]     Checking Enum v0.1.0 (/opt/rustwide/workdir/Enum)
[INFO] [stderr]     Checking lifetime v0.1.0 (/opt/rustwide/workdir/lifetime)
[INFO] [stderr]     Checking minicliapp v0.1.0 (/opt/rustwide/workdir/minicliapp)
[INFO] [stderr]     Checking module v0.1.0 (/opt/rustwide/workdir/module)
[INFO] [stderr]     Checking generics v0.1.0 (/opt/rustwide/workdir/generics)
[INFO] [stderr]     Checking struct_instance v0.1.0 (/opt/rustwide/workdir/struct_instance)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]     Checking error_handling v0.1.0 (/opt/rustwide/workdir/error_handling)
[INFO] [stderr]     Checking primitive_type v0.1.0 (/opt/rustwide/workdir/primitive_type)
[INFO] [stderr]     Checking control_flow v0.1.0 (/opt/rustwide/workdir/control_flow)
[INFO] [stdout] warning: function `parse_config` is never used
[INFO] [stdout]   --> minicliapp/src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_config(args:&[String]) -> (&str, &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `content`, `reply`, and `retweet` are never read
[INFO] [stdout]   --> generics/src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub struct Tweet {
[INFO] [stdout]    |                ----- fields in this struct
[INFO] [stdout] 39 |         pub username: String,
[INFO] [stdout] 40 |         pub content: String,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 41 |         pub reply: bool,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 42 |         pub retweet: bool,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/ownership)
[INFO] [stderr]     Checking collection v0.1.0 (/opt/rustwide/workdir/collection)
[INFO] [stderr]     Checking auto_test v0.1.0 (/opt/rustwide/workdir/auto_test)
[INFO] [stdout] warning: function `parse_config` is never used
[INFO] [stdout]   --> minicliapp/src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_config(args:&[String]) -> (&str, &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `content`, `reply`, and `retweet` are never read
[INFO] [stdout]   --> generics/src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub struct Tweet {
[INFO] [stdout]    |                ----- fields in this struct
[INFO] [stdout] 39 |         pub username: String,
[INFO] [stdout] 40 |         pub content: String,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 41 |         pub reply: bool,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 42 |         pub retweet: bool,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> auto_test/src/main.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn greeting(name: &str) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> auto_test/src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Guess {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 62 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> auto_test/src/main.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn greeting(name: &str) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> auto_test/src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Guess {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 62 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407", kill_on_drop: false }`
[INFO] [stdout] df8d94f91b881dad7d476fa63d300d68567018dc5abca10c3db252db4ee30407