[INFO] fetching crate verilog-arc 0.4.2...
[INFO] checking verilog-arc-0.4.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate verilog-arc 0.4.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate verilog-arc 0.4.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3194888f3a62fdfc323355cc391398de8881bb5a43fad4782bd0e40307bf8b10
[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" "3194888f3a62fdfc323355cc391398de8881bb5a43fad4782bd0e40307bf8b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3194888f3a62fdfc323355cc391398de8881bb5a43fad4782bd0e40307bf8b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3194888f3a62fdfc323355cc391398de8881bb5a43fad4782bd0e40307bf8b10", kill_on_drop: false }`
[INFO] [stdout] 3194888f3a62fdfc323355cc391398de8881bb5a43fad4782bd0e40307bf8b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec6f4bdf55e5a983fd5703c21b9954a4af99658229fc08c86097f3f32ae48d2b
[INFO] running `Command { std: "docker" "start" "-a" "ec6f4bdf55e5a983fd5703c21b9954a4af99658229fc08c86097f3f32ae48d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking bumpalo v3.5.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking index_vec v0.1.2
[INFO] [stderr]     Checking fixedbitset v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking intrusive-collections v0.9.0
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking const-random v0.1.13
[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 53.09s
[INFO] running `Command { std: "docker" "inspect" "ec6f4bdf55e5a983fd5703c21b9954a4af99658229fc08c86097f3f32ae48d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6f4bdf55e5a983fd5703c21b9954a4af99658229fc08c86097f3f32ae48d2b", kill_on_drop: false }`
[INFO] [stdout] ec6f4bdf55e5a983fd5703c21b9954a4af99658229fc08c86097f3f32ae48d2b