[INFO] fetching crate ergo_config 0.0.1...
[INFO] checking ergo_config-0.0.1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate ergo_config 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ergo_config 0.0.1 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 ergo_config 0.0.1
[INFO] finished tweaking crates.io crate ergo_config 0.0.1
[INFO] tweaked toml for crates.io crate ergo_config 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 00a02774dc300f12fae4ed03739fe8bcec67a67d23b02014c261af57fd2947e9
[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" "00a02774dc300f12fae4ed03739fe8bcec67a67d23b02014c261af57fd2947e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a02774dc300f12fae4ed03739fe8bcec67a67d23b02014c261af57fd2947e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a02774dc300f12fae4ed03739fe8bcec67a67d23b02014c261af57fd2947e9", kill_on_drop: false }`
[INFO] [stdout] 00a02774dc300f12fae4ed03739fe8bcec67a67d23b02014c261af57fd2947e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 15c8df1aea14aa4c57fe87c1cbbda213bfce0bddfa0edcb1ab14df4b84f3a69d
[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" "15c8df1aea14aa4c57fe87c1cbbda213bfce0bddfa0edcb1ab14df4b84f3a69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling configure_derive v0.1.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking ron v0.1.7
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking configure v0.1.1
[INFO] [stderr]     Checking ergo_config v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.37s
[INFO] running `Command { std: "docker" "inspect" "15c8df1aea14aa4c57fe87c1cbbda213bfce0bddfa0edcb1ab14df4b84f3a69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c8df1aea14aa4c57fe87c1cbbda213bfce0bddfa0edcb1ab14df4b84f3a69d", kill_on_drop: false }`
[INFO] [stdout] 15c8df1aea14aa4c57fe87c1cbbda213bfce0bddfa0edcb1ab14df4b84f3a69d