[INFO] cloning repository https://github.com/jejbuitenhuis/mocker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jejbuitenhuis/mocker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjejbuitenhuis%2Fmocker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjejbuitenhuis%2Fmocker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fe3d8b1ce8ab06d42b0d9f9824c7096bc25e222
[INFO] checking jejbuitenhuis/mocker against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjejbuitenhuis%2Fmocker" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jejbuitenhuis/mocker
[INFO] finished tweaking git repo https://github.com/jejbuitenhuis/mocker
[INFO] tweaked toml for git repo https://github.com/jejbuitenhuis/mocker written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jejbuitenhuis/mocker on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jejbuitenhuis/mocker 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9901c90c7623180b4fcb8ef2cf8a93c389b76ae869cfbcba5a0262a5f3baa0e
[INFO] running `Command { std: "docker" "start" "-a" "c9901c90c7623180b4fcb8ef2cf8a93c389b76ae869cfbcba5a0262a5f3baa0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9901c90c7623180b4fcb8ef2cf8a93c389b76ae869cfbcba5a0262a5f3baa0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9901c90c7623180b4fcb8ef2cf8a93c389b76ae869cfbcba5a0262a5f3baa0e", kill_on_drop: false }`
[INFO] [stdout] c9901c90c7623180b4fcb8ef2cf8a93c389b76ae869cfbcba5a0262a5f3baa0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5de10efe8bd4d41f1a2f921cc19070d9e0978bad6a87e5203a5f39acb65de163
[INFO] running `Command { std: "docker" "start" "-a" "5de10efe8bd4d41f1a2f921cc19070d9e0978bad6a87e5203a5f39acb65de163", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]     Checking mocker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `type` is never read
[INFO] [stdout]   --> src/generator.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct ColumnData {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 51 |     pub name: String,
[INFO] [stdout] 52 |     pub r#type: ColumnType,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColumnData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `constraints` is never read
[INFO] [stdout]    --> src/parser/config.rs:180:6
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Column {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub constraints: Vec<Constraint>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Column` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `row_count` is never read
[INFO] [stdout]   --> src/provider.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ProviderCreationData {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 31 |     pub row_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:60:2
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// The output type to use when generating the mock data
[INFO] [stdout] 61 | |     #[clap(short, long, default_value = "tsql", validator = validate_output_type)]
[INFO] [stdout] 62 | |     pub r#type: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:64:2
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// The path to the output folder
[INFO] [stdout] 65 | |     #[clap(short, long, validator = validate_path_is_folder)]
[INFO] [stdout] 66 | |     pub output: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/arguments.rs:68:2
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     /// The path to the config file
[INFO] [stdout] 69 | |     #[clap(validator = validate_path_exists)]
[INFO] [stdout] 70 | |     pub config: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mocker` (bin "mocker") due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `type` is never read
[INFO] [stdout]   --> src/generator.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct ColumnData {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 51 |     pub name: String,
[INFO] [stdout] 52 |     pub r#type: ColumnType,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColumnData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `constraints` is never read
[INFO] [stdout]    --> src/parser/config.rs:180:6
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Column {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub constraints: Vec<Constraint>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Column` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `row_count` is never read
[INFO] [stdout]   --> src/provider.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ProviderCreationData {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 31 |     pub row_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:60:2
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// The output type to use when generating the mock data
[INFO] [stdout] 61 | |     #[clap(short, long, default_value = "tsql", validator = validate_output_type)]
[INFO] [stdout] 62 | |     pub r#type: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/arguments.rs:64:2
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// The path to the output folder
[INFO] [stdout] 65 | |     #[clap(short, long, validator = validate_path_is_folder)]
[INFO] [stdout] 66 | |     pub output: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/arguments.rs:68:2
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     /// The path to the config file
[INFO] [stdout] 69 | |     #[clap(validator = validate_path_exists)]
[INFO] [stdout] 70 | |     pub config: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mocker` (bin "mocker" test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5de10efe8bd4d41f1a2f921cc19070d9e0978bad6a87e5203a5f39acb65de163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de10efe8bd4d41f1a2f921cc19070d9e0978bad6a87e5203a5f39acb65de163", kill_on_drop: false }`
[INFO] [stdout] 5de10efe8bd4d41f1a2f921cc19070d9e0978bad6a87e5203a5f39acb65de163
