[INFO] fetching crate serial-monitor 0.0.5...
[INFO] checking serial-monitor-0.0.5 against beta for pr-78714
[INFO] extracting crate serial-monitor 0.0.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serial-monitor 0.0.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial-monitor 0.0.5
[INFO] finished tweaking crates.io crate serial-monitor 0.0.5
[INFO] tweaked toml for crates.io crate serial-monitor 0.0.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate serial-monitor 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eae5e6659b9aae4b7ae372aaac7f5f69eb43303d29b60028013d8c0ed6d077d7
[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" "eae5e6659b9aae4b7ae372aaac7f5f69eb43303d29b60028013d8c0ed6d077d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eae5e6659b9aae4b7ae372aaac7f5f69eb43303d29b60028013d8c0ed6d077d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae5e6659b9aae4b7ae372aaac7f5f69eb43303d29b60028013d8c0ed6d077d7", kill_on_drop: false }`
[INFO] [stdout] eae5e6659b9aae4b7ae372aaac7f5f69eb43303d29b60028013d8c0ed6d077d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d4a2d94056ffdf3c2093704ed0726283e36bf97f3d07571f3d9b7463e8bf877
[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" "1d4a2d94056ffdf3c2093704ed0726283e36bf97f3d07571f3d9b7463e8bf877", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking wildmatch v1.0.9
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking crossterm v0.17.3
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.1
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-serial v4.3.3
[INFO] [stderr]     Checking serial-monitor v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.90s
[INFO] running `Command { std: "docker" "inspect" "1d4a2d94056ffdf3c2093704ed0726283e36bf97f3d07571f3d9b7463e8bf877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4a2d94056ffdf3c2093704ed0726283e36bf97f3d07571f3d9b7463e8bf877", kill_on_drop: false }`
[INFO] [stdout] 1d4a2d94056ffdf3c2093704ed0726283e36bf97f3d07571f3d9b7463e8bf877