[INFO] fetching crate driverkit 0.3.0... [INFO] checking driverkit-0.3.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate driverkit 0.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate driverkit 0.3.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate driverkit 0.3.0 [INFO] finished tweaking crates.io crate driverkit 0.3.0 [INFO] tweaked toml for crates.io crate driverkit 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate driverkit 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 051cbc1c90df953d654df26881e1bf7cae5a88d495d0fed10c4eaf1d61f5b1a3 [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" "051cbc1c90df953d654df26881e1bf7cae5a88d495d0fed10c4eaf1d61f5b1a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "051cbc1c90df953d654df26881e1bf7cae5a88d495d0fed10c4eaf1d61f5b1a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "051cbc1c90df953d654df26881e1bf7cae5a88d495d0fed10c4eaf1d61f5b1a3", kill_on_drop: false }` [INFO] [stdout] 051cbc1c90df953d654df26881e1bf7cae5a88d495d0fed10c4eaf1d61f5b1a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 2dba72f69fe73278017b91b99306938b0a76f8c54857bac21867c9eac8924c5f [INFO] running `Command { std: "docker" "start" "-a" "2dba72f69fe73278017b91b99306938b0a76f8c54857bac21867c9eac8924c5f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling x86 v0.32.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking bit_field v0.10.0 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling raw-cpuid v7.0.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking mmap v0.1.1 [INFO] [stderr] Checking driverkit v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/linux/mem.rs:124:16 [INFO] [stdout] | [INFO] [stdout] 124 | Ok(f) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [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 11.13s [INFO] running `Command { std: "docker" "inspect" "2dba72f69fe73278017b91b99306938b0a76f8c54857bac21867c9eac8924c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dba72f69fe73278017b91b99306938b0a76f8c54857bac21867c9eac8924c5f", kill_on_drop: false }` [INFO] [stdout] 2dba72f69fe73278017b91b99306938b0a76f8c54857bac21867c9eac8924c5f