[INFO] fetching crate nails 0.12.0...
[INFO] checking nails-0.12.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate nails 0.12.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nails 0.12.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nails 0.12.0
[INFO] finished tweaking crates.io crate nails 0.12.0
[INFO] tweaked toml for crates.io crate nails 0.12.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67cb8821a2fca2c8c16b6cc548f01eb648be3a14c0910c0f5ceedfc5b5b830d8
[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" "67cb8821a2fca2c8c16b6cc548f01eb648be3a14c0910c0f5ceedfc5b5b830d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67cb8821a2fca2c8c16b6cc548f01eb648be3a14c0910c0f5ceedfc5b5b830d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67cb8821a2fca2c8c16b6cc548f01eb648be3a14c0910c0f5ceedfc5b5b830d8", kill_on_drop: false }`
[INFO] [stdout] 67cb8821a2fca2c8c16b6cc548f01eb648be3a14c0910c0f5ceedfc5b5b830d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a08ec3e2b44f86aba41605f7586e5ce620161bf2bce85307bf5b24c6cfc865
[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" "43a08ec3e2b44f86aba41605f7586e5ce620161bf2bce85307bf5b24c6cfc865", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking nails v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "43a08ec3e2b44f86aba41605f7586e5ce620161bf2bce85307bf5b24c6cfc865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a08ec3e2b44f86aba41605f7586e5ce620161bf2bce85307bf5b24c6cfc865", kill_on_drop: false }`
[INFO] [stdout] 43a08ec3e2b44f86aba41605f7586e5ce620161bf2bce85307bf5b24c6cfc865