[INFO] fetching crate herkulex_communicator 0.2.7...
[INFO] testing herkulex_communicator-0.2.7 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate herkulex_communicator 0.2.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate herkulex_communicator 0.2.7 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate herkulex_communicator 0.2.7
[INFO] finished tweaking crates.io crate herkulex_communicator 0.2.7
[INFO] tweaked toml for crates.io crate herkulex_communicator 0.2.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate herkulex_communicator 0.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] b677c55ae8cd96fa257962bb2c8ab14ce7cf6720dc2b9c19352eaf1345b4b987
[INFO] running `Command { std: "docker" "start" "-a" "b677c55ae8cd96fa257962bb2c8ab14ce7cf6720dc2b9c19352eaf1345b4b987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b677c55ae8cd96fa257962bb2c8ab14ce7cf6720dc2b9c19352eaf1345b4b987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b677c55ae8cd96fa257962bb2c8ab14ce7cf6720dc2b9c19352eaf1345b4b987", kill_on_drop: false }`
[INFO] [stdout] b677c55ae8cd96fa257962bb2c8ab14ce7cf6720dc2b9c19352eaf1345b4b987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] e754576c3b5a62b8ade6c10638bace711afe026c9dda1c5177c54ba5cffdc121
[INFO] running `Command { std: "docker" "start" "-a" "e754576c3b5a62b8ade6c10638bace711afe026c9dda1c5177c54ba5cffdc121", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling drs-0x01 v0.3.0
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enum-map v0.6.4
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]    Compiling wasmer_enumset v1.0.1
[INFO] [stderr]    Compiling cursive_core v0.2.2
[INFO] [stderr]    Compiling cursive v0.16.3
[INFO] [stderr]    Compiling herkulex_communicator v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "e754576c3b5a62b8ade6c10638bace711afe026c9dda1c5177c54ba5cffdc121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e754576c3b5a62b8ade6c10638bace711afe026c9dda1c5177c54ba5cffdc121", kill_on_drop: false }`
[INFO] [stdout] e754576c3b5a62b8ade6c10638bace711afe026c9dda1c5177c54ba5cffdc121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c4ffb880dc060094692266c562acb3d8fbdfe0fd75cf78725865627818a41c5
[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" "0c4ffb880dc060094692266c562acb3d8fbdfe0fd75cf78725865627818a41c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling herkulex_communicator v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "0c4ffb880dc060094692266c562acb3d8fbdfe0fd75cf78725865627818a41c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4ffb880dc060094692266c562acb3d8fbdfe0fd75cf78725865627818a41c5", kill_on_drop: false }`
[INFO] [stdout] 0c4ffb880dc060094692266c562acb3d8fbdfe0fd75cf78725865627818a41c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", 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] c4b5659cde4fa834aba9307318d54cf900d9cb7f31d2d1b9c729774935f3781f
[INFO] running `Command { std: "docker" "start" "-a" "c4b5659cde4fa834aba9307318d54cf900d9cb7f31d2d1b9c729774935f3781f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/herkulex_communicator-a798ed751d43ce85)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4b5659cde4fa834aba9307318d54cf900d9cb7f31d2d1b9c729774935f3781f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b5659cde4fa834aba9307318d54cf900d9cb7f31d2d1b9c729774935f3781f", kill_on_drop: false }`
[INFO] [stdout] c4b5659cde4fa834aba9307318d54cf900d9cb7f31d2d1b9c729774935f3781f