[INFO] fetching crate slip-codec 0.2.4...
[INFO] testing slip-codec-0.2.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate slip-codec 0.2.4 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate slip-codec 0.2.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slip-codec 0.2.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slip-codec 0.2.4
[INFO] tweaked toml for crates.io crate slip-codec 0.2.4 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate slip-codec 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project v1.0.4
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded futures-io v0.3.9
[INFO] [stderr]   Downloaded futures-task v0.3.9
[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded serialport v4.0.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded tokio-stream v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31fcf1e4ab4e2d64a8775639644fbf3de6a07a8f34c5616e5f15138d8bc682e0
[INFO] running `Command { std: "docker" "start" "-a" "31fcf1e4ab4e2d64a8775639644fbf3de6a07a8f34c5616e5f15138d8bc682e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31fcf1e4ab4e2d64a8775639644fbf3de6a07a8f34c5616e5f15138d8bc682e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fcf1e4ab4e2d64a8775639644fbf3de6a07a8f34c5616e5f15138d8bc682e0", kill_on_drop: false }`
[INFO] [stdout] 31fcf1e4ab4e2d64a8775639644fbf3de6a07a8f34c5616e5f15138d8bc682e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d43a60bb768abd3d9793f37d1064c373e29f84a0199e2e66452f083354cf1153
[INFO] running `Command { std: "docker" "start" "-a" "d43a60bb768abd3d9793f37d1064c373e29f84a0199e2e66452f083354cf1153", kill_on_drop: false }`
[INFO] [stderr]    Compiling slip-codec v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "d43a60bb768abd3d9793f37d1064c373e29f84a0199e2e66452f083354cf1153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43a60bb768abd3d9793f37d1064c373e29f84a0199e2e66452f083354cf1153", kill_on_drop: false }`
[INFO] [stdout] d43a60bb768abd3d9793f37d1064c373e29f84a0199e2e66452f083354cf1153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdefd4d219e977b7049367004c58c4f0b9ba8f2f6ecbce8057cc4bd575555001
[INFO] running `Command { std: "docker" "start" "-a" "cdefd4d219e977b7049367004c58c4f0b9ba8f2f6ecbce8057cc4bd575555001", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.9
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling futures-task v0.3.9
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling serialport v4.0.0
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling slip-codec v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.40s
[INFO] running `Command { std: "docker" "inspect" "cdefd4d219e977b7049367004c58c4f0b9ba8f2f6ecbce8057cc4bd575555001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdefd4d219e977b7049367004c58c4f0b9ba8f2f6ecbce8057cc4bd575555001", kill_on_drop: false }`
[INFO] [stdout] cdefd4d219e977b7049367004c58c4f0b9ba8f2f6ecbce8057cc4bd575555001
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aabdb2c68ec303e0cf45a210f0ee83c80c53e9895d03dce0dff3f266b88fe0de
[INFO] running `Command { std: "docker" "start" "-a" "aabdb2c68ec303e0cf45a210f0ee83c80c53e9895d03dce0dff3f266b88fe0de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slip_codec-59a1c1113a82fc10)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test default::decoder::tests::decode_esc_then_esc_end_sequence ... ok
[INFO] [stdout] test default::decoder::tests::decode_esc_then_esc_esc_sequence ... ok
[INFO] [stdout] test default::decoder::tests::empty_decode ... ok
[INFO] [stdout] test default::decoder::tests::simple_decode ... ok
[INFO] [stdout] test default::decoder::tests::multi_part_decode ... ok
[INFO] [stdout] test default::encoder::tests::encode_end_esc_sequence ... ok
[INFO] [stdout] test default::encoder::tests::encode_esc_esc_sequence ... ok
[INFO] [stdout] test default::encoder::tests::empty_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slip-codec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aabdb2c68ec303e0cf45a210f0ee83c80c53e9895d03dce0dff3f266b88fe0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabdb2c68ec303e0cf45a210f0ee83c80c53e9895d03dce0dff3f266b88fe0de", kill_on_drop: false }`
[INFO] [stdout] aabdb2c68ec303e0cf45a210f0ee83c80c53e9895d03dce0dff3f266b88fe0de