[INFO] fetching crate sigma-ser 0.2.3...
[INFO] testing sigma-ser-0.2.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sigma-ser 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sigma-ser 0.2.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sigma-ser 0.2.3
[INFO] finished tweaking crates.io crate sigma-ser 0.2.3
[INFO] tweaked toml for crates.io crate sigma-ser 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0c44d728fe9925fee982e096b59ccf05d1fcb9588d4f6af6fca4fce02716193
[INFO] running `Command { std: "docker" "start" "-a" "f0c44d728fe9925fee982e096b59ccf05d1fcb9588d4f6af6fca4fce02716193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c44d728fe9925fee982e096b59ccf05d1fcb9588d4f6af6fca4fce02716193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c44d728fe9925fee982e096b59ccf05d1fcb9588d4f6af6fca4fce02716193", kill_on_drop: false }`
[INFO] [stdout] f0c44d728fe9925fee982e096b59ccf05d1fcb9588d4f6af6fca4fce02716193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382aaf71b5151701801741ab57b1e63ffa992a1de82ae80dfabc210e7463d6a0
[INFO] running `Command { std: "docker" "start" "-a" "382aaf71b5151701801741ab57b1e63ffa992a1de82ae80dfabc210e7463d6a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling sigma-ser v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "382aaf71b5151701801741ab57b1e63ffa992a1de82ae80dfabc210e7463d6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382aaf71b5151701801741ab57b1e63ffa992a1de82ae80dfabc210e7463d6a0", kill_on_drop: false }`
[INFO] [stdout] 382aaf71b5151701801741ab57b1e63ffa992a1de82ae80dfabc210e7463d6a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a31923f2cacd01ce06e629012e1b9f835820be59aad889fa678d81fcabcdfd
[INFO] running `Command { std: "docker" "start" "-a" "38a31923f2cacd01ce06e629012e1b9f835820be59aad889fa678d81fcabcdfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]    Compiling sigma-ser v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `Command { std: "docker" "inspect" "38a31923f2cacd01ce06e629012e1b9f835820be59aad889fa678d81fcabcdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a31923f2cacd01ce06e629012e1b9f835820be59aad889fa678d81fcabcdfd", kill_on_drop: false }`
[INFO] [stdout] 38a31923f2cacd01ce06e629012e1b9f835820be59aad889fa678d81fcabcdfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b312a4b1c02b6bbb9db4d62e9b007b1786fb3066130dbb079e5e2033850a2473
[INFO] running `Command { std: "docker" "start" "-a" "b312a4b1c02b6bbb9db4d62e9b007b1786fb3066130dbb079e5e2033850a2473", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sigma_ser-7b864425642d7c95)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test vlq_encode::tests::i16_corner_cases ... ok
[INFO] [stdout] test vlq_encode::tests::i32_corner_cases ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_2_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_10_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_1 ... ok
[INFO] [stdout] test vlq_encode::tests::i16_i32_i64_equivalence ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_2_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_3_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_3_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_10_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_4_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::u32_corner_cases ... ok
[INFO] [stdout] test vlq_encode::tests::test_read_u64_expected_values ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_8_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_6_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_corner_cases ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_7_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_5_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::test_read_u8 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_5_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::test_write_u64_expected_values ... ok
[INFO] [stdout] test vlq_encode::tests::malformed_input ... ok
[INFO] [stdout] test vlq_encode::tests::u16_corner_cases ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_6_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::test_write_u8 ... ok
[INFO] [stdout] test vlq_encode::tests::test_i32_ten_bytes_case ... ok
[INFO] [stdout] test zig_zag_encode::tests::test_expected_values ... ok
[INFO] [stdout] test vlq_encode::tests::u64_corner_cases ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_4_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_9_part1 ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_5 ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_1 ... ok
[INFO] [stdout] test zig_zag_encode::encode_i32_roundtrip ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_3 ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_9 ... ok
[INFO] [stdout] test vlq_encode::tests::u16_u32_u64_equivalence ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_8 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_roundtrip ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_7 ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_4 ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_2 ... ok
[INFO] [stdout] test vlq_encode::tests::u64_check_size_6 ... ok
[INFO] [stdout] test vlq_encode::tests::u64_roundtrip ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_7_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_8_part2 ... ok
[INFO] [stdout] test zig_zag_encode::encode_i64_roundtrip ... ok
[INFO] [stdout] test vlq_encode::tests::i64_check_size_9_part2 ... ok
[INFO] [stdout] test vlq_encode::tests::prop_u64_array_roundtrip ... ok
[INFO] [stdout] test vlq_encode::tests::prop_bits_roundtrip ... ok
[INFO] [stdout] test vlq_encode::tests::arbitrary_values_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.76s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sigma-ser
[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" "b312a4b1c02b6bbb9db4d62e9b007b1786fb3066130dbb079e5e2033850a2473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b312a4b1c02b6bbb9db4d62e9b007b1786fb3066130dbb079e5e2033850a2473", kill_on_drop: false }`
[INFO] [stdout] b312a4b1c02b6bbb9db4d62e9b007b1786fb3066130dbb079e5e2033850a2473