[INFO] fetching crate dairy 0.2.2... [INFO] checking dairy-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate dairy 0.2.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate dairy 0.2.2 [INFO] finished tweaking crates.io crate dairy 0.2.2 [INFO] tweaked toml for crates.io crate dairy 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dairy 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 63 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed3b4bb09f83531290ace44a28cfbbe6b0f8499b1283c5adc957a9e76e87472c [INFO] running `Command { std: "docker" "start" "-a" "ed3b4bb09f83531290ace44a28cfbbe6b0f8499b1283c5adc957a9e76e87472c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed3b4bb09f83531290ace44a28cfbbe6b0f8499b1283c5adc957a9e76e87472c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed3b4bb09f83531290ace44a28cfbbe6b0f8499b1283c5adc957a9e76e87472c", kill_on_drop: false }` [INFO] [stdout] ed3b4bb09f83531290ace44a28cfbbe6b0f8499b1283c5adc957a9e76e87472c [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 -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] a5c960b718a671f9b032193b45a1fd2ae0f1192e6c544dedb2e970d2a425419e [INFO] running `Command { std: "docker" "start" "-a" "a5c960b718a671f9b032193b45a1fd2ae0f1192e6c544dedb2e970d2a425419e", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Checking csv-core v0.1.13 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling dairy v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking beef v0.5.2 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stdout] warning: unexpected `cfg` condition name: `os_str_ext` [INFO] [stdout] --> src/imp/mod.rs:46:28 [INFO] [stdout] | [INFO] [stdout] 46 | #[cfg(all(feature = "std", os_str_ext))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(os_str_ext)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(os_str_ext)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `os_str_ext` [INFO] [stdout] --> src/imp/mod.rs:51:32 [INFO] [stdout] | [INFO] [stdout] 51 | #[cfg(all(feature = "std", not(os_str_ext)))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(os_str_ext)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(os_str_ext)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `os_str_ext` [INFO] [stdout] --> src/imp/mod.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | #[cfg(all(feature = "std", os_str_ext))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(os_str_ext)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(os_str_ext)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `os_str_ext` [INFO] [stdout] --> src/imp/mod.rs:61:32 [INFO] [stdout] | [INFO] [stdout] 61 | #[cfg(all(feature = "std", not(os_str_ext)))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(os_str_ext)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(os_str_ext)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `os_str_ext` [INFO] [stdout] --> src/imp/compact/convert.rs:139:28 [INFO] [stdout] | [INFO] [stdout] 139 | #[cfg(all(feature = "std", os_str_ext))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(os_str_ext)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(os_str_ext)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `os_str_ext` [INFO] [stdout] --> src/imp/compact/convert.rs:165:28 [INFO] [stdout] | [INFO] [stdout] 165 | #[cfg(all(feature = "std", os_str_ext))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(os_str_ext)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(os_str_ext)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/from_str.rs:16:53 [INFO] [stdout] | [INFO] [stdout] 16 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 17 | | Ok(Self::owned(String::from(s))) [INFO] [stdout] 18 | | } [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, Infallible> [INFO] [stdout] --> src/from_str.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | Ok(Self::owned(String::from(s))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/from_str.rs:24:53 [INFO] [stdout] | [INFO] [stdout] 24 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 25 | | Ok(Self::owned(OsString::from(s))) [INFO] [stdout] 26 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/from_str.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | Ok(Self::owned(OsString::from(s))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/from_str.rs:32:53 [INFO] [stdout] | [INFO] [stdout] 32 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 33 | | Ok(Self::owned(PathBuf::from(s))) [INFO] [stdout] 34 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/from_str.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(Self::owned(PathBuf::from(s))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dairy` (lib) due to 6 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a5c960b718a671f9b032193b45a1fd2ae0f1192e6c544dedb2e970d2a425419e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5c960b718a671f9b032193b45a1fd2ae0f1192e6c544dedb2e970d2a425419e", kill_on_drop: false }` [INFO] [stdout] a5c960b718a671f9b032193b45a1fd2ae0f1192e6c544dedb2e970d2a425419e