[INFO] fetching crate env2js 1.0.1... [INFO] checking env2js-1.0.1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846 [INFO] extracting crate env2js 1.0.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate env2js 1.0.1 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c495b15824e0b9b55c6fe771a7ba5bab9c8596ccdbbb4f2dbdbe5c33b19cb7c [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" "0c495b15824e0b9b55c6fe771a7ba5bab9c8596ccdbbb4f2dbdbe5c33b19cb7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c495b15824e0b9b55c6fe771a7ba5bab9c8596ccdbbb4f2dbdbe5c33b19cb7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c495b15824e0b9b55c6fe771a7ba5bab9c8596ccdbbb4f2dbdbe5c33b19cb7c", kill_on_drop: false }` [INFO] [stdout] 0c495b15824e0b9b55c6fe771a7ba5bab9c8596ccdbbb4f2dbdbe5c33b19cb7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1eaadda5689d544d59c6c4879733d8b1559d9ae355e88666b1b80da6058cb3ae [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" "1eaadda5689d544d59c6c4879733d8b1559d9ae355e88666b1b80da6058cb3ae", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking itoa v0.4.5 [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 14.51s [INFO] running `Command { std: "docker" "inspect" "1eaadda5689d544d59c6c4879733d8b1559d9ae355e88666b1b80da6058cb3ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eaadda5689d544d59c6c4879733d8b1559d9ae355e88666b1b80da6058cb3ae", kill_on_drop: false }` [INFO] [stdout] 1eaadda5689d544d59c6c4879733d8b1559d9ae355e88666b1b80da6058cb3ae