[INFO] fetching crate x-bow 0.2.0... [INFO] checking x-bow-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate x-bow 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate x-bow 0.2.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--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] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded x-bow-macros v0.2.0 [INFO] [stderr] Downloaded async_ui_internal_utils v0.0.2 [INFO] [stderr] Downloaded pollster-macro v0.1.0 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 403954b80ea3637be85dd25dda78b98730ec8dd99088b4bf06d834867dd7c8eb [INFO] running `Command { std: "docker" "start" "-a" "403954b80ea3637be85dd25dda78b98730ec8dd99088b4bf06d834867dd7c8eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "403954b80ea3637be85dd25dda78b98730ec8dd99088b4bf06d834867dd7c8eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "403954b80ea3637be85dd25dda78b98730ec8dd99088b4bf06d834867dd7c8eb", kill_on_drop: false }` [INFO] [stdout] 403954b80ea3637be85dd25dda78b98730ec8dd99088b4bf06d834867dd7c8eb [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33a6f7c58261a443cc200156ee69ba1c6ea96784391deeba350576b54ca5b319 [INFO] running `Command { std: "docker" "start" "-a" "33a6f7c58261a443cc200156ee69ba1c6ea96784391deeba350576b54ca5b319", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking nohash-hasher v0.2.0 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking async_ui_internal_utils v0.0.2 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Compiling pollster-macro v0.1.0 [INFO] [stderr] Compiling x-bow-macros v0.2.0 [INFO] [stderr] Checking pollster v0.3.0 [INFO] [stderr] Checking x-bow v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `field` is never read [INFO] [stdout] --> tests/basic_typecheck.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 65 | struct MyStruct { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 66 | field: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyStruct` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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((), (), ()), [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(()), [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] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.69s [INFO] running `Command { std: "docker" "inspect" "33a6f7c58261a443cc200156ee69ba1c6ea96784391deeba350576b54ca5b319", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33a6f7c58261a443cc200156ee69ba1c6ea96784391deeba350576b54ca5b319", kill_on_drop: false }` [INFO] [stdout] 33a6f7c58261a443cc200156ee69ba1c6ea96784391deeba350576b54ca5b319