[INFO] fetching crate lovesense 0.1.0...
[INFO] checking lovesense-0.1.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate lovesense 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lovesense 0.1.0 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lovesense 0.1.0
[INFO] finished tweaking crates.io crate lovesense 0.1.0
[INFO] tweaked toml for crates.io crate lovesense 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbabb2fcfbc1bf71e6e715c2c8b8c3a33aea573eab7eb3a1fe987dec2d07b185
[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" "bbabb2fcfbc1bf71e6e715c2c8b8c3a33aea573eab7eb3a1fe987dec2d07b185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbabb2fcfbc1bf71e6e715c2c8b8c3a33aea573eab7eb3a1fe987dec2d07b185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbabb2fcfbc1bf71e6e715c2c8b8c3a33aea573eab7eb3a1fe987dec2d07b185", kill_on_drop: false }`
[INFO] [stdout] bbabb2fcfbc1bf71e6e715c2c8b8c3a33aea573eab7eb3a1fe987dec2d07b185
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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] 0eddec04b2424c05f0d613316557d74e2ea41040ae6e2e1c44fdaa3000ccc586
[INFO] running `Command { std: "docker" "start" "-a" "0eddec04b2424c05f0d613316557d74e2ea41040ae6e2e1c44fdaa3000ccc586", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial v0.3.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking lovesense v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lovesense.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     port: Box<serial::SerialPort + 'a>
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn serial::SerialPort + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lovesense.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     port: Box<serial::SerialPort + 'a>
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn serial::SerialPort + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "0eddec04b2424c05f0d613316557d74e2ea41040ae6e2e1c44fdaa3000ccc586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eddec04b2424c05f0d613316557d74e2ea41040ae6e2e1c44fdaa3000ccc586", kill_on_drop: false }`
[INFO] [stdout] 0eddec04b2424c05f0d613316557d74e2ea41040ae6e2e1c44fdaa3000ccc586