[INFO] fetching crate env2js 1.0.1... [INFO] checking env2js-1.0.1 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] extracting crate env2js 1.0.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate env2js 1.0.1 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate env2js 1.0.1 [INFO] finished tweaking crates.io crate env2js 1.0.1 [INFO] tweaked toml for crates.io crate env2js 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate env2js 1.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e33796e1957f028c633ee6ddefe80246ed49886e91594b13836bd70eb8862b7a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e33796e1957f028c633ee6ddefe80246ed49886e91594b13836bd70eb8862b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e33796e1957f028c633ee6ddefe80246ed49886e91594b13836bd70eb8862b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e33796e1957f028c633ee6ddefe80246ed49886e91594b13836bd70eb8862b7a", kill_on_drop: false }` [INFO] [stdout] e33796e1957f028c633ee6ddefe80246ed49886e91594b13836bd70eb8862b7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f4a3e31fbc6a70bd85c8d10c3f951912547258d080fdcd1888ae021a86eb7fb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4f4a3e31fbc6a70bd85c8d10c3f951912547258d080fdcd1888ae021a86eb7fb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking env2js v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | / (prefix.is_none() [INFO] [stdout] 65 | | || prefix.is_some() && k.starts_with(prefix.as_deref().unwrap()) == true) [INFO] [stdout] | |_________________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 | prefix.is_none() [INFO] [stdout] 65 | || prefix.is_some() && k.starts_with(prefix.as_deref().unwrap()) == true [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | / (prefix.is_none() [INFO] [stdout] 65 | | || prefix.is_some() && k.starts_with(prefix.as_deref().unwrap()) == true) [INFO] [stdout] | |_________________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 | prefix.is_none() [INFO] [stdout] 65 | || prefix.is_some() && k.starts_with(prefix.as_deref().unwrap()) == true [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.28s [INFO] running `Command { std: "docker" "inspect" "4f4a3e31fbc6a70bd85c8d10c3f951912547258d080fdcd1888ae021a86eb7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f4a3e31fbc6a70bd85c8d10c3f951912547258d080fdcd1888ae021a86eb7fb", kill_on_drop: false }` [INFO] [stdout] 4f4a3e31fbc6a70bd85c8d10c3f951912547258d080fdcd1888ae021a86eb7fb