[INFO] fetching crate yaml-rust-davvid 0.5.1...
[INFO] checking yaml-rust-davvid-0.5.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate yaml-rust-davvid 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yaml-rust-davvid 0.5.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaml-rust-davvid 0.5.1
[INFO] finished tweaking crates.io crate yaml-rust-davvid 0.5.1
[INFO] tweaked toml for crates.io crate yaml-rust-davvid 0.5.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate yaml-rust-davvid 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ae608f0a711f54d499a8c5e8dfe8d454c28bd4982f07a311fc4cf5a94f33c6e
[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" "3ae608f0a711f54d499a8c5e8dfe8d454c28bd4982f07a311fc4cf5a94f33c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ae608f0a711f54d499a8c5e8dfe8d454c28bd4982f07a311fc4cf5a94f33c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae608f0a711f54d499a8c5e8dfe8d454c28bd4982f07a311fc4cf5a94f33c6e", kill_on_drop: false }`
[INFO] [stdout] 3ae608f0a711f54d499a8c5e8dfe8d454c28bd4982f07a311fc4cf5a94f33c6e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f9abf8b5bd2ac7c897e7364387ba0a2e3c3a8987083cca61ecf175a3f0c48e
[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" "12f9abf8b5bd2ac7c897e7364387ba0a2e3c3a8987083cca61ecf175a3f0c48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking yaml-rust-davvid v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "12f9abf8b5bd2ac7c897e7364387ba0a2e3c3a8987083cca61ecf175a3f0c48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f9abf8b5bd2ac7c897e7364387ba0a2e3c3a8987083cca61ecf175a3f0c48e", kill_on_drop: false }`
[INFO] [stdout] 12f9abf8b5bd2ac7c897e7364387ba0a2e3c3a8987083cca61ecf175a3f0c48e