[INFO] fetching crate fast_config 1.2.1... [INFO] testing fast_config-1.2.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate fast_config 1.2.1 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fast_config 1.2.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libyml v0.0.5 [INFO] [stderr] Downloaded serde_derive v1.0.213 [INFO] [stderr] Downloaded serde v1.0.213 [INFO] [stderr] Downloaded serde_yml v0.0.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6ea3d3e00b495b5ecc2f94715797eeb5957948423b20e5b1182913c93a92f47 [INFO] running `Command { std: "docker" "start" "-a" "c6ea3d3e00b495b5ecc2f94715797eeb5957948423b20e5b1182913c93a92f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6ea3d3e00b495b5ecc2f94715797eeb5957948423b20e5b1182913c93a92f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6ea3d3e00b495b5ecc2f94715797eeb5957948423b20e5b1182913c93a92f47", kill_on_drop: false }` [INFO] [stdout] c6ea3d3e00b495b5ecc2f94715797eeb5957948423b20e5b1182913c93a92f47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c4231d321858dc7b29b28f8d3ff49a426d274a3a9f97ff3bbf8f337d23dbf93 [INFO] running `Command { std: "docker" "start" "-a" "4c4231d321858dc7b29b28f8d3ff49a426d274a3a9f97ff3bbf8f337d23dbf93", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling thiserror v1.0.65 [INFO] [stderr] Compiling serde v1.0.213 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.85 [INFO] [stderr] Compiling serde_derive v1.0.213 [INFO] [stderr] Compiling thiserror-impl v1.0.65 [INFO] [stderr] Compiling fast_config v1.2.1 (/opt/rustwide/workdir) [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)]` (part of `#[warn(unused)]`) 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(value: &D, options: &InternalOptions) -> GenericResult where D: Serialize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4c4231d321858dc7b29b28f8d3ff49a426d274a3a9f97ff3bbf8f337d23dbf93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c4231d321858dc7b29b28f8d3ff49a426d274a3a9f97ff3bbf8f337d23dbf93", kill_on_drop: false }` [INFO] [stdout] 4c4231d321858dc7b29b28f8d3ff49a426d274a3a9f97ff3bbf8f337d23dbf93