[INFO] fetching crate hex-buffer-serde 0.2.2...
[INFO] testing hex-buffer-serde-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hex-buffer-serde 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hex-buffer-serde 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hex-buffer-serde 0.2.2
[INFO] finished tweaking crates.io crate hex-buffer-serde 0.2.2
[INFO] tweaked toml for crates.io crate hex-buffer-serde 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate hex-buffer-serde 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca484a35dfb4c8d0a9d52fa5a80bf1dc72d23db50ba8ae3bc45c6150d55d6ddd
[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" "ca484a35dfb4c8d0a9d52fa5a80bf1dc72d23db50ba8ae3bc45c6150d55d6ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca484a35dfb4c8d0a9d52fa5a80bf1dc72d23db50ba8ae3bc45c6150d55d6ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca484a35dfb4c8d0a9d52fa5a80bf1dc72d23db50ba8ae3bc45c6150d55d6ddd", kill_on_drop: false }`
[INFO] [stdout] ca484a35dfb4c8d0a9d52fa5a80bf1dc72d23db50ba8ae3bc45c6150d55d6ddd
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 05eca7d8cd505df89bd6f20c9fe117abcfbb8983ecf648ab4156a98caf7150a0
[INFO] running `Command { std: "docker" "start" "-a" "05eca7d8cd505df89bd6f20c9fe117abcfbb8983ecf648ab4156a98caf7150a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling hex-buffer-serde v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "05eca7d8cd505df89bd6f20c9fe117abcfbb8983ecf648ab4156a98caf7150a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05eca7d8cd505df89bd6f20c9fe117abcfbb8983ecf648ab4156a98caf7150a0", kill_on_drop: false }`
[INFO] [stdout] 05eca7d8cd505df89bd6f20c9fe117abcfbb8983ecf648ab4156a98caf7150a0
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc6c70535b5e5b0e0b7021d9297de32c9b83fa9eca8cf60f6a11f1b9cb85954
[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" "6cc6c70535b5e5b0e0b7021d9297de32c9b83fa9eca8cf60f6a11f1b9cb85954", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling hex-buffer-serde v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.53s
[INFO] running `Command { std: "docker" "inspect" "6cc6c70535b5e5b0e0b7021d9297de32c9b83fa9eca8cf60f6a11f1b9cb85954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc6c70535b5e5b0e0b7021d9297de32c9b83fa9eca8cf60f6a11f1b9cb85954", kill_on_drop: false }`
[INFO] [stdout] 6cc6c70535b5e5b0e0b7021d9297de32c9b83fa9eca8cf60f6a11f1b9cb85954
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e7d7949035f25e687e36b1530492c4d0f9dd1c3c92bafc7d79a34007b8c96d1
[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" "6e7d7949035f25e687e36b1530492c4d0f9dd1c3c92bafc7d79a34007b8c96d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hex_buffer_serde-101310bbaf112c87
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::internal_type_with_derived_serde_code ... ok
[INFO] [stdout] test tests::internal_type ... ok
[INFO] [stdout] test tests::deserializing_flattened_field ... ok
[INFO] [stdout] test tests::external_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_match-d58756e8cdba5a64
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test readme_is_in_sync ... ok
[INFO] [stderr]    Doc-tests hex-buffer-serde
[INFO] [stdout] test html_root_url_is_in_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e7d7949035f25e687e36b1530492c4d0f9dd1c3c92bafc7d79a34007b8c96d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7d7949035f25e687e36b1530492c4d0f9dd1c3c92bafc7d79a34007b8c96d1", kill_on_drop: false }`
[INFO] [stdout] 6e7d7949035f25e687e36b1530492c4d0f9dd1c3c92bafc7d79a34007b8c96d1