[INFO] fetching crate x-bow 0.2.0... [INFO] building x-bow-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate x-bow 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate x-bow 0.2.0 [INFO] finished tweaking crates.io crate x-bow 0.2.0 [INFO] tweaked toml for crates.io crate x-bow 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate x-bow 0.2.0 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 20 packages to latest compatible versions [INFO] [stderr] Adding futures-lite v1.13.0 (available: v2.6.1) [INFO] [stderr] Adding pollster v0.3.0 (available: v0.4.0) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5ad72b2a1ba77b01007e47f8a3a40d42d918620bd8b337267d8919be0b85e421 [INFO] running `Command { std: "docker" "start" "-a" "5ad72b2a1ba77b01007e47f8a3a40d42d918620bd8b337267d8919be0b85e421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ad72b2a1ba77b01007e47f8a3a40d42d918620bd8b337267d8919be0b85e421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ad72b2a1ba77b01007e47f8a3a40d42d918620bd8b337267d8919be0b85e421", kill_on_drop: false }` [INFO] [stdout] 5ad72b2a1ba77b01007e47f8a3a40d42d918620bd8b337267d8919be0b85e421 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 82e937c7ce3d1b5ce33fc514c6c36c57c0e5c5b430b433e6e8484ea0269e4217 [INFO] running `Command { std: "docker" "start" "-a" "82e937c7ce3d1b5ce33fc514c6c36c57c0e5c5b430b433e6e8484ea0269e4217", kill_on_drop: false }` [INFO] [stderr] Compiling nohash-hasher v0.2.0 [INFO] [stderr] Compiling async_ui_internal_utils v0.0.2 [INFO] [stderr] Compiling x-bow-macros v0.2.0 [INFO] [stderr] Compiling x-bow v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `Command { std: "docker" "inspect" "82e937c7ce3d1b5ce33fc514c6c36c57c0e5c5b430b433e6e8484ea0269e4217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82e937c7ce3d1b5ce33fc514c6c36c57c0e5c5b430b433e6e8484ea0269e4217", kill_on_drop: false }` [INFO] [stdout] 82e937c7ce3d1b5ce33fc514c6c36c57c0e5c5b430b433e6e8484ea0269e4217 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 619517158f79b0beb63ea32fa1c20e025677784de926a6e4c9e1688ed3f1e163 [INFO] running `Command { std: "docker" "start" "-a" "619517158f79b0beb63ea32fa1c20e025677784de926a6e4c9e1688ed3f1e163", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling waker-fn v1.2.0 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling futures-lite v1.13.0 [INFO] [stderr] Compiling pollster-macro v0.1.0 [INFO] [stderr] Compiling pollster v0.3.0 [INFO] [stderr] Compiling x-bow v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `MyStruct` is never constructed [INFO] [stdout] --> tests/basic_typecheck.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 65 | struct MyStruct { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> tests/basic_typecheck.rs:98:18 [INFO] [stdout] | [INFO] [stdout] 98 | Variant1(i16, i32, i64), [INFO] [stdout] | -------- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 98 - Variant1(i16, i32, i64), [INFO] [stdout] 98 + Variant1((), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `third` is never read [INFO] [stdout] --> tests/basic_typecheck.rs:99:45 [INFO] [stdout] | [INFO] [stdout] 99 | Variant2 { first: i16, second: i32, third: T }, [INFO] [stdout] | -------- field in this variant ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/basic_typecheck.rs:121:14 [INFO] [stdout] | [INFO] [stdout] 121 | Var1(isize), [INFO] [stdout] | ---- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 121 - Var1(isize), [INFO] [stdout] 121 + Var1(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `field` is never read [INFO] [stdout] --> tests/basic_typecheck.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 127 | struct MyStruct { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 128 | field: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.59s [INFO] running `Command { std: "docker" "inspect" "619517158f79b0beb63ea32fa1c20e025677784de926a6e4c9e1688ed3f1e163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "619517158f79b0beb63ea32fa1c20e025677784de926a6e4c9e1688ed3f1e163", kill_on_drop: false }` [INFO] [stdout] 619517158f79b0beb63ea32fa1c20e025677784de926a6e4c9e1688ed3f1e163