[INFO] cloning repository https://github.com/yuk1ty/rstest-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuk1ty/rstest-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Frstest-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Frstest-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa0475ce2a4629bbe9123c3d7275f209d5d93b1f
[INFO] checking yuk1ty/rstest-example against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Frstest-example" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/rstest-example 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/yuk1ty/rstest-example
[INFO] finished tweaking git repo https://github.com/yuk1ty/rstest-example
[INFO] tweaked toml for git repo https://github.com/yuk1ty/rstest-example written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yuk1ty/rstest-example 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]  Downloading crates ...
[INFO] [stderr]   Downloaded relative-path v1.9.2
[INFO] [stderr]   Downloaded rstest v0.18.2
[INFO] [stderr]   Downloaded hermit-abi v0.3.5
[INFO] [stderr]   Downloaded rstest_macros v0.18.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b33b4f53bfcad9354e4cd72edbf1506e8dde51dee995739f8dda2df3e22cdc
[INFO] running `Command { std: "docker" "start" "-a" "f1b33b4f53bfcad9354e4cd72edbf1506e8dde51dee995739f8dda2df3e22cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b33b4f53bfcad9354e4cd72edbf1506e8dde51dee995739f8dda2df3e22cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b33b4f53bfcad9354e4cd72edbf1506e8dde51dee995739f8dda2df3e22cdc", kill_on_drop: false }`
[INFO] [stdout] f1b33b4f53bfcad9354e4cd72edbf1506e8dde51dee995739f8dda2df3e22cdc
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 485f2ced55eeba2ded8c44db9bfc2eefc74ef15515c4a383557390179a4e6dad
[INFO] running `Command { std: "docker" "start" "-a" "485f2ced55eeba2ded8c44db9bfc2eefc74ef15515c4a383557390179a4e6dad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking rstest-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stdout] warning: struct `InputForm` is never constructed
[INFO] [stdout]  --> src/bin/combination.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct InputForm {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate` is never used
[INFO] [stdout]  --> src/bin/combination.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn validate(input: &InputForm) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/bin/fixture.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Connection` is never constructed
[INFO] [stdout]   --> src/bin/fixture.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Connection;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DB` is never constructed
[INFO] [stdout]   --> src/bin/fixture.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct DB {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `connect` are never used
[INFO] [stdout]   --> src/bin/fixture.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl DB {
[INFO] [stdout]    | ------- associated functions in this implementation
[INFO] [stdout] 18 |     fn new(config: Config) -> Result<Self, &'static str> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn connect(_config: Config) -> Result<Connection, &'static str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Year` is never used
[INFO] [stdout]  --> src/bin/basic.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Year {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `year_kind` is never used
[INFO] [stdout]  --> src/bin/basic.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn year_kind(year: u32) -> Year {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/bin/fixture.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     use crate::{Config, DB};
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/bin/fixture.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn should_connect_database(db: DB) {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host`, `port`, `database`, `username`, and `password` are never read
[INFO] [stdout]  --> src/bin/fixture.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Config {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 4 |     host: Ipv6Addr,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     port: u16,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     database: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 8 |     password: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `conn` is never read
[INFO] [stdout]   --> src/bin/fixture.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct DB {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] 14 |     conn: Connection,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `body` is never read
[INFO] [stdout]   --> src/bin/async.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 9  |     struct Article {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |         body: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "485f2ced55eeba2ded8c44db9bfc2eefc74ef15515c4a383557390179a4e6dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485f2ced55eeba2ded8c44db9bfc2eefc74ef15515c4a383557390179a4e6dad", kill_on_drop: false }`
[INFO] [stdout] 485f2ced55eeba2ded8c44db9bfc2eefc74ef15515c4a383557390179a4e6dad