[INFO] fetching crate x-bow 0.2.0... [INFO] building x-bow-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate x-bow 0.2.0 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate x-bow 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pollster-macro v0.1.0 [INFO] [stderr] Downloaded x-bow-macros v0.2.0 [INFO] [stderr] Downloaded async_ui_internal_utils v0.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 118014003c736df75404d8fc600e4c8d57cd43185f15a1bc5a17d9d355c4233f [INFO] running `Command { std: "docker" "start" "-a" "118014003c736df75404d8fc600e4c8d57cd43185f15a1bc5a17d9d355c4233f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "118014003c736df75404d8fc600e4c8d57cd43185f15a1bc5a17d9d355c4233f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "118014003c736df75404d8fc600e4c8d57cd43185f15a1bc5a17d9d355c4233f", kill_on_drop: false }` [INFO] [stdout] 118014003c736df75404d8fc600e4c8d57cd43185f15a1bc5a17d9d355c4233f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 215d63b03a3280367d68b7d32c974c0234ea23d460110470eba007966086f65c [INFO] running `Command { std: "docker" "start" "-a" "215d63b03a3280367d68b7d32c974c0234ea23d460110470eba007966086f65c", 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 syn v2.0.106 [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 6.37s [INFO] running `Command { std: "docker" "inspect" "215d63b03a3280367d68b7d32c974c0234ea23d460110470eba007966086f65c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "215d63b03a3280367d68b7d32c974c0234ea23d460110470eba007966086f65c", kill_on_drop: false }` [INFO] [stdout] 215d63b03a3280367d68b7d32c974c0234ea23d460110470eba007966086f65c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f018211ebfb0c793433c7130b0623c6ec0116b0041848ae9ab3781a78dd7d6a [INFO] running `Command { std: "docker" "start" "-a" "0f018211ebfb0c793433c7130b0623c6ec0116b0041848ae9ab3781a78dd7d6a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling waker-fn v1.2.0 [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 7.28s [INFO] running `Command { std: "docker" "inspect" "0f018211ebfb0c793433c7130b0623c6ec0116b0041848ae9ab3781a78dd7d6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f018211ebfb0c793433c7130b0623c6ec0116b0041848ae9ab3781a78dd7d6a", kill_on_drop: false }` [INFO] [stdout] 0f018211ebfb0c793433c7130b0623c6ec0116b0041848ae9ab3781a78dd7d6a