[INFO] fetching crate bluetooth-serial-port-async 0.6.1...
[INFO] checking bluetooth-serial-port-async-0.6.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate bluetooth-serial-port-async 0.6.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bluetooth-serial-port-async 0.6.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bluetooth-serial-port-async 0.6.1
[INFO] finished tweaking crates.io crate bluetooth-serial-port-async 0.6.1
[INFO] tweaked toml for crates.io crate bluetooth-serial-port-async 0.6.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate bluetooth-serial-port-async 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8ef7ee2d574cae0f2c5bd5dd6953dc2051c570c89d2b036356403df23f9f933
[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" "d8ef7ee2d574cae0f2c5bd5dd6953dc2051c570c89d2b036356403df23f9f933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8ef7ee2d574cae0f2c5bd5dd6953dc2051c570c89d2b036356403df23f9f933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ef7ee2d574cae0f2c5bd5dd6953dc2051c570c89d2b036356403df23f9f933", kill_on_drop: false }`
[INFO] [stdout] d8ef7ee2d574cae0f2c5bd5dd6953dc2051c570c89d2b036356403df23f9f933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab8f71fed51d03a964a63f2844a34fe1d724c4bc9f543ff5f48ee593c1a5849
[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" "1ab8f71fed51d03a964a63f2844a34fe1d724c4bc9f543ff5f48ee593c1a5849", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking polling v2.0.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking bluetooth-serial-port-async v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.83s
[INFO] running `Command { std: "docker" "inspect" "1ab8f71fed51d03a964a63f2844a34fe1d724c4bc9f543ff5f48ee593c1a5849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab8f71fed51d03a964a63f2844a34fe1d724c4bc9f543ff5f48ee593c1a5849", kill_on_drop: false }`
[INFO] [stdout] 1ab8f71fed51d03a964a63f2844a34fe1d724c4bc9f543ff5f48ee593c1a5849