[INFO] fetching crate verilog-arc 0.4.2...
[INFO] checking verilog-arc-0.4.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate verilog-arc 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate verilog-arc 0.4.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate verilog-arc 0.4.2
[INFO] finished tweaking crates.io crate verilog-arc 0.4.2
[INFO] tweaked toml for crates.io crate verilog-arc 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded intrusive-collections v0.9.0
[INFO] [stderr]   Downloaded index_vec v0.1.2
[INFO] [stderr]   Downloaded rustc-ap-graphviz v662.0.0
[INFO] [stderr]   Downloaded open-vaf v0.4.2
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25ccd574f7258042ff64c726ee1549cb926ad66dd97fa975fb0f211aeb2c4500
[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" "25ccd574f7258042ff64c726ee1549cb926ad66dd97fa975fb0f211aeb2c4500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ccd574f7258042ff64c726ee1549cb926ad66dd97fa975fb0f211aeb2c4500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ccd574f7258042ff64c726ee1549cb926ad66dd97fa975fb0f211aeb2c4500", kill_on_drop: false }`
[INFO] [stdout] 25ccd574f7258042ff64c726ee1549cb926ad66dd97fa975fb0f211aeb2c4500
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b25abfe65cf55442a32954a535cf4d1a95ee0154e612023d53e728fb52d1af9b
[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" "b25abfe65cf55442a32954a535cf4d1a95ee0154e612023d53e728fb52d1af9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking bumpalo v3.4.0
[INFO] [stderr]     Checking beef v0.4.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.3.1
[INFO] [stderr]     Checking index_vec v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking intrusive-collections v0.9.0
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking open-vaf v0.4.2
[INFO] [stderr]     Checking verilog-arc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.89s
[INFO] running `Command { std: "docker" "inspect" "b25abfe65cf55442a32954a535cf4d1a95ee0154e612023d53e728fb52d1af9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25abfe65cf55442a32954a535cf4d1a95ee0154e612023d53e728fb52d1af9b", kill_on_drop: false }`
[INFO] [stdout] b25abfe65cf55442a32954a535cf4d1a95ee0154e612023d53e728fb52d1af9b