[INFO] fetching crate ufo 0.1.0... [INFO] building ufo-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate ufo 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate ufo 0.1.0 [INFO] finished tweaking crates.io crate ufo 0.1.0 [INFO] tweaked toml for crates.io crate ufo 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ufo 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1bad4942f7f5cb07810c463ba3d5f0f4564a68960244b2b0d54531f4b40e48c8 [INFO] running `Command { std: "docker" "start" "-a" "1bad4942f7f5cb07810c463ba3d5f0f4564a68960244b2b0d54531f4b40e48c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1bad4942f7f5cb07810c463ba3d5f0f4564a68960244b2b0d54531f4b40e48c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bad4942f7f5cb07810c463ba3d5f0f4564a68960244b2b0d54531f4b40e48c8", kill_on_drop: false }` [INFO] [stdout] 1bad4942f7f5cb07810c463ba3d5f0f4564a68960244b2b0d54531f4b40e48c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bebc361f76531681e407e695dc726f5e98d9a2de2d612c64c4ab3eb5eed8c898 [INFO] running `Command { std: "docker" "start" "-a" "bebc361f76531681e407e695dc726f5e98d9a2de2d612c64c4ab3eb5eed8c898", kill_on_drop: false }` [INFO] [stderr] Compiling ufo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `tests` [INFO] [stdout] --> src/lib.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | #[cfg(tests)] [INFO] [stdout] | ^^^^^ help: there is a config with a similar name: `test` [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(tests)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:119:31 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct InvalidNumberError(f32); [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidNumberError` 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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/math.rs:82:50 [INFO] [stdout] | [INFO] [stdout] 82 | fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 82 - fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] 82 + fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bebc361f76531681e407e695dc726f5e98d9a2de2d612c64c4ab3eb5eed8c898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bebc361f76531681e407e695dc726f5e98d9a2de2d612c64c4ab3eb5eed8c898", kill_on_drop: false }` [INFO] [stdout] bebc361f76531681e407e695dc726f5e98d9a2de2d612c64c4ab3eb5eed8c898 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5eeffcd2d2c2238194e64380ddc31c32795d5e0ec490b9c0b6f0884fa07a7f02 [INFO] running `Command { std: "docker" "start" "-a" "5eeffcd2d2c2238194e64380ddc31c32795d5e0ec490b9c0b6f0884fa07a7f02", kill_on_drop: false }` [INFO] [stdout] warning: unexpected `cfg` condition name: `tests` [INFO] [stdout] --> src/lib.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | #[cfg(tests)] [INFO] [stdout] | ^^^^^ help: there is a config with a similar name: `test` [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(tests)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` 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: field `0` is never read [INFO] [stdout] --> src/lib.rs:119:31 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct InvalidNumberError(f32); [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidNumberError` 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] [stderr] Compiling ufo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/math.rs:82:50 [INFO] [stdout] | [INFO] [stdout] 82 | fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 82 - fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] 82 + fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `tests` [INFO] [stdout] --> src/lib.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | #[cfg(tests)] [INFO] [stdout] | ^^^^^ help: there is a config with a similar name: `test` [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(tests)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` 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: field `0` is never read [INFO] [stdout] --> src/lib.rs:119:31 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct InvalidNumberError(f32); [INFO] [stdout] | ------------------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `InvalidNumberError` 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: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/math.rs:82:50 [INFO] [stdout] | [INFO] [stdout] 82 | fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 82 - fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] 82 + fn sub(self, rhs: &'b Uf32) -> >::Output { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "5eeffcd2d2c2238194e64380ddc31c32795d5e0ec490b9c0b6f0884fa07a7f02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eeffcd2d2c2238194e64380ddc31c32795d5e0ec490b9c0b6f0884fa07a7f02", kill_on_drop: false }` [INFO] [stdout] 5eeffcd2d2c2238194e64380ddc31c32795d5e0ec490b9c0b6f0884fa07a7f02