[INFO] fetching crate fast_config 1.2.1...
[INFO] checking fast_config-1.2.1 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate fast_config 1.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fast_config 1.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fast_config 1.2.1
[INFO] tweaked toml for crates.io crate fast_config 1.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_config 1.2.1 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fast_config 1.2.1 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b2aec531e98931df9403802ffaf77ca9d7ab22b91e79812116593b9aedd51a7
[INFO] running `Command { std: "docker" "start" "-a" "3b2aec531e98931df9403802ffaf77ca9d7ab22b91e79812116593b9aedd51a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b2aec531e98931df9403802ffaf77ca9d7ab22b91e79812116593b9aedd51a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2aec531e98931df9403802ffaf77ca9d7ab22b91e79812116593b9aedd51a7", kill_on_drop: false }`
[INFO] [stdout] 3b2aec531e98931df9403802ffaf77ca9d7ab22b91e79812116593b9aedd51a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e7e3fc456a7af4d3add2f54b18bc17b49b8f30bae6385c17286586f62b3cf4
[INFO] running `Command { std: "docker" "start" "-a" "85e7e3fc456a7af4d3add2f54b18bc17b49b8f30bae6385c17286586f62b3cf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking regex v1.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking fast_config v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `tests`, create file "src/tests.rs" or "src/tests/mod.rs"
[INFO] [stdout]    = note: if there is a `mod tests` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: You must install at least one format feature: `json`, `json5`, `toml`, or `yaml`
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | compile_error!("You must install at least one format feature: `json`, `json5`, `toml`, or `yaml`");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: You must install at least one format feature: `json`, `json5`, `toml`, or `yaml`
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | compile_error!("You must install at least one format feature: `json`, `json5`, `toml`, or `yaml`");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/format_dependant.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut vector = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/format_dependant.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn to_string<D>(value: &D, options: &InternalOptions) -> GenericResult<String> where D: Serialize {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/format_dependant.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let value = value.as_str();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_config` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/format_dependant.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut vector = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/format_dependant.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn to_string<D>(value: &D, options: &InternalOptions) -> GenericResult<String> where D: Serialize {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/format_dependant.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let value = value.as_str();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_config` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "85e7e3fc456a7af4d3add2f54b18bc17b49b8f30bae6385c17286586f62b3cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e7e3fc456a7af4d3add2f54b18bc17b49b8f30bae6385c17286586f62b3cf4", kill_on_drop: false }`
[INFO] [stdout] 85e7e3fc456a7af4d3add2f54b18bc17b49b8f30bae6385c17286586f62b3cf4
