[INFO] fetching crate serial_frame 0.3.0...
[INFO] checking serial_frame-0.3.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate serial_frame 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serial_frame 0.3.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial_frame 0.3.0
[INFO] finished tweaking crates.io crate serial_frame 0.3.0
[INFO] tweaked toml for crates.io crate serial_frame 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate serial_frame 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded derive_more v0.99.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded simple_logger v1.4.0
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded regex v1.3.3
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.13
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded colored v1.9.2
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f57e2bd55a6642aeb3fcb8ab6ba7e75cd2cfb1680e3f3db7c69a0ab54b26f42b
[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" "f57e2bd55a6642aeb3fcb8ab6ba7e75cd2cfb1680e3f3db7c69a0ab54b26f42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f57e2bd55a6642aeb3fcb8ab6ba7e75cd2cfb1680e3f3db7c69a0ab54b26f42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57e2bd55a6642aeb3fcb8ab6ba7e75cd2cfb1680e3f3db7c69a0ab54b26f42b", kill_on_drop: false }`
[INFO] [stdout] f57e2bd55a6642aeb3fcb8ab6ba7e75cd2cfb1680e3f3db7c69a0ab54b26f42b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] afcf18f20f24de74c72f173e4ef14e3164358192efaaad592fdc47f07c942542
[INFO] running `Command { std: "docker" "start" "-a" "afcf18f20f24de74c72f173e4ef14e3164358192efaaad592fdc47f07c942542", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking simple_logger v1.4.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]     Checking serial_frame v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "afcf18f20f24de74c72f173e4ef14e3164358192efaaad592fdc47f07c942542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcf18f20f24de74c72f173e4ef14e3164358192efaaad592fdc47f07c942542", kill_on_drop: false }`
[INFO] [stdout] afcf18f20f24de74c72f173e4ef14e3164358192efaaad592fdc47f07c942542