[INFO] fetching crate pom-preview 3.0.4-alpha-1... [INFO] checking pom-preview-3.0.4-alpha-1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate pom-preview 3.0.4-alpha-1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate pom-preview 3.0.4-alpha-1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pom-preview 3.0.4-alpha-1 [INFO] finished tweaking crates.io crate pom-preview 3.0.4-alpha-1 [INFO] tweaked toml for crates.io crate pom-preview 3.0.4-alpha-1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate pom-preview 3.0.4-alpha-1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3191cc717f6e8f7a5d969195d1c1a6d10cea559295d6fc85201d67f55e9218da [INFO] running `Command { std: "docker" "start" "-a" "3191cc717f6e8f7a5d969195d1c1a6d10cea559295d6fc85201d67f55e9218da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3191cc717f6e8f7a5d969195d1c1a6d10cea559295d6fc85201d67f55e9218da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3191cc717f6e8f7a5d969195d1c1a6d10cea559295d6fc85201d67f55e9218da", kill_on_drop: false }` [INFO] [stdout] 3191cc717f6e8f7a5d969195d1c1a6d10cea559295d6fc85201d67f55e9218da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 925f7fce5297a7a4c1ba5593619cdc74ee614c109ab10fcfd5ece438170f6b01 [INFO] running `Command { std: "docker" "start" "-a" "925f7fce5297a7a4c1ba5593619cdc74ee614c109ab10fcfd5ece438170f6b01", kill_on_drop: false }` [INFO] [stderr] Checking pom-preview v3.0.4-alpha-1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> examples/whitespace.rs:77:2 [INFO] [stdout] | [INFO] [stdout] 77 | / ( [INFO] [stdout] 78 | | whitespace() * [INFO] [stdout] 79 | | list( [INFO] [stdout] 80 | | call(container), [INFO] [stdout] 81 | | whitespace() [INFO] [stdout] 82 | | ) [INFO] [stdout] 83 | | ) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 | whitespace() * [INFO] [stdout] 78 | list( [INFO] [stdout] 79 | call(container), [INFO] [stdout] 80 | whitespace() [INFO] [stdout] 81 | ) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "925f7fce5297a7a4c1ba5593619cdc74ee614c109ab10fcfd5ece438170f6b01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "925f7fce5297a7a4c1ba5593619cdc74ee614c109ab10fcfd5ece438170f6b01", kill_on_drop: false }` [INFO] [stdout] 925f7fce5297a7a4c1ba5593619cdc74ee614c109ab10fcfd5ece438170f6b01