[INFO] fetching crate file_limit 0.0.2... [INFO] checking file_limit-0.0.2 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585 [INFO] extracting crate file_limit 0.0.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate file_limit 0.0.2 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate file_limit 0.0.2 [INFO] finished tweaking crates.io crate file_limit 0.0.2 [INFO] tweaked toml for crates.io crate file_limit 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2bd2ed1e484ba6a4293823c24fd30334c1cf15e963755a3c011baf0495ba4a8f [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" "2bd2ed1e484ba6a4293823c24fd30334c1cf15e963755a3c011baf0495ba4a8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bd2ed1e484ba6a4293823c24fd30334c1cf15e963755a3c011baf0495ba4a8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bd2ed1e484ba6a4293823c24fd30334c1cf15e963755a3c011baf0495ba4a8f", kill_on_drop: false }` [INFO] [stdout] 2bd2ed1e484ba6a4293823c24fd30334c1cf15e963755a3c011baf0495ba4a8f [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d13fc0478838a02e7b807a96b0e073dc935260cc0bdb2cb18ae6fe1d1a7a290 [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" "3d13fc0478838a02e7b807a96b0e073dc935260cc0bdb2cb18ae6fe1d1a7a290", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking file_limit v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/lib.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | Err(err) => assert!(false), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.24s [INFO] running `Command { std: "docker" "inspect" "3d13fc0478838a02e7b807a96b0e073dc935260cc0bdb2cb18ae6fe1d1a7a290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d13fc0478838a02e7b807a96b0e073dc935260cc0bdb2cb18ae6fe1d1a7a290", kill_on_drop: false }` [INFO] [stdout] 3d13fc0478838a02e7b807a96b0e073dc935260cc0bdb2cb18ae6fe1d1a7a290