[INFO] fetching crate slipmux 0.3.2...
[INFO] building slipmux-0.3.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate slipmux 0.3.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate slipmux 0.3.2
[INFO] finished tweaking crates.io crate slipmux 0.3.2
[INFO] tweaked toml for crates.io crate slipmux 0.3.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slipmux 0.3.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slipmux 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88dd5a1677750f89189397a10b26102a391f1d979098f34d288e5d547f987051
[INFO] running `Command { std: "docker" "start" "-a" "88dd5a1677750f89189397a10b26102a391f1d979098f34d288e5d547f987051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88dd5a1677750f89189397a10b26102a391f1d979098f34d288e5d547f987051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88dd5a1677750f89189397a10b26102a391f1d979098f34d288e5d547f987051", kill_on_drop: false }`
[INFO] [stdout] 88dd5a1677750f89189397a10b26102a391f1d979098f34d288e5d547f987051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf79bf23494bb134ba9ab37ab855852886ca38857e57b89406e8517986be62bb
[INFO] running `Command { std: "docker" "start" "-a" "cf79bf23494bb134ba9ab37ab855852886ca38857e57b89406e8517986be62bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-line-ip v0.5.0
[INFO] [stderr]    Compiling slipmux v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "cf79bf23494bb134ba9ab37ab855852886ca38857e57b89406e8517986be62bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf79bf23494bb134ba9ab37ab855852886ca38857e57b89406e8517986be62bb", kill_on_drop: false }`
[INFO] [stdout] cf79bf23494bb134ba9ab37ab855852886ca38857e57b89406e8517986be62bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 154a377aa94d94922c20846cf72cb44052b97a49f408102982f0388f3f475521
[INFO] running `Command { std: "docker" "start" "-a" "154a377aa94d94922c20846cf72cb44052b97a49f408102982f0388f3f475521", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru_time_cache v0.11.11
[INFO] [stderr]    Compiling coap-message v0.2.3
[INFO] [stderr]    Compiling coap-message v0.3.6
[INFO] [stderr]    Compiling coap-lite v0.13.1
[INFO] [stderr]    Compiling slipmux v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "154a377aa94d94922c20846cf72cb44052b97a49f408102982f0388f3f475521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154a377aa94d94922c20846cf72cb44052b97a49f408102982f0388f3f475521", kill_on_drop: false }`
[INFO] [stdout] 154a377aa94d94922c20846cf72cb44052b97a49f408102982f0388f3f475521