[INFO] fetching crate twiggy-opt 0.6.0...
[INFO] checking twiggy-opt-0.6.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate twiggy-opt 0.6.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate twiggy-opt 0.6.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twiggy-opt 0.6.0
[INFO] finished tweaking crates.io crate twiggy-opt 0.6.0
[INFO] tweaked toml for crates.io crate twiggy-opt 0.6.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adeeac666fc011650e498f4894c9e874ae5801f37daf738a25d1d451e3f4ed1d
[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" "adeeac666fc011650e498f4894c9e874ae5801f37daf738a25d1d451e3f4ed1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adeeac666fc011650e498f4894c9e874ae5801f37daf738a25d1d451e3f4ed1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adeeac666fc011650e498f4894c9e874ae5801f37daf738a25d1d451e3f4ed1d", kill_on_drop: false }`
[INFO] [stdout] adeeac666fc011650e498f4894c9e874ae5801f37daf738a25d1d451e3f4ed1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52871e013ba37ad4f9cbc4f91c83b217ad667f24f795e05c72795a53fed5740a
[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" "52871e013ba37ad4f9cbc4f91c83b217ad667f24f795e05c72795a53fed5740a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking wasmparser v0.31.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling cpp_demangle v0.2.16
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling twiggy-opt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking twiggy-ir v0.6.0
[INFO] [stderr]     Checking twiggy-traits v0.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "52871e013ba37ad4f9cbc4f91c83b217ad667f24f795e05c72795a53fed5740a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52871e013ba37ad4f9cbc4f91c83b217ad667f24f795e05c72795a53fed5740a", kill_on_drop: false }`
[INFO] [stdout] 52871e013ba37ad4f9cbc4f91c83b217ad667f24f795e05c72795a53fed5740a