[INFO] crate ether-dream 0.2.2 is already in cache [INFO] checking ether-dream-0.2.2 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294 [INFO] extracting crate ether-dream 0.2.2 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate ether-dream 0.2.2 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788 [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ether-dream 0.2.2 [INFO] finished tweaking crates.io crate ether-dream 0.2.2 [INFO] tweaked toml for crates.io crate ether-dream 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 13b03003bd2ebcce39df4782cc0677b077e8e525e3296b003aad0b1f94ad14d1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "13b03003bd2ebcce39df4782cc0677b077e8e525e3296b003aad0b1f94ad14d1"` [INFO] [stderr] Checking ether-dream v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/dac/stream.rs:397:32 [INFO] [stderr] | [INFO] [stderr] 397 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/dac/stream.rs:397:32 [INFO] [stderr] | [INFO] [stderr] 397 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `timeout` [INFO] [stderr] --> src/dac/stream.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | timeout: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `timeout` [INFO] [stderr] --> src/dac/stream.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | timeout: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> examples/dac_stream.rs:47:53 [INFO] [stderr] | [INFO] [stderr] 47 | let n_points = points_to_generate(stream.dac());; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> examples/dac_stream.rs:62:57 [INFO] [stderr] | [INFO] [stderr] 62 | let n_points = points_to_generate(stream.dac());; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.85s [INFO] running `"docker" "inspect" "13b03003bd2ebcce39df4782cc0677b077e8e525e3296b003aad0b1f94ad14d1"` [INFO] running `"docker" "rm" "-f" "13b03003bd2ebcce39df4782cc0677b077e8e525e3296b003aad0b1f94ad14d1"` [INFO] [stdout] 13b03003bd2ebcce39df4782cc0677b077e8e525e3296b003aad0b1f94ad14d1