[INFO] fetching crate var_byte_str 0.1.2...
[INFO] testing var_byte_str-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate var_byte_str 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate var_byte_str 0.1.2 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 var_byte_str 0.1.2
[INFO] finished tweaking crates.io crate var_byte_str 0.1.2
[INFO] tweaked toml for crates.io crate var_byte_str 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] df92b1fb8ff6b027df81fcf33605eb5f618eba5a65698a24deab02058e64c536
[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" "df92b1fb8ff6b027df81fcf33605eb5f618eba5a65698a24deab02058e64c536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df92b1fb8ff6b027df81fcf33605eb5f618eba5a65698a24deab02058e64c536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df92b1fb8ff6b027df81fcf33605eb5f618eba5a65698a24deab02058e64c536", kill_on_drop: false }`
[INFO] [stdout] df92b1fb8ff6b027df81fcf33605eb5f618eba5a65698a24deab02058e64c536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 19d00f923a59a61e23f95f0307c9aabb9e60d716223daf1a67e7b0a4807f2233
[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" "19d00f923a59a61e23f95f0307c9aabb9e60d716223daf1a67e7b0a4807f2233", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling var_byte_str v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "19d00f923a59a61e23f95f0307c9aabb9e60d716223daf1a67e7b0a4807f2233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d00f923a59a61e23f95f0307c9aabb9e60d716223daf1a67e7b0a4807f2233", kill_on_drop: false }`
[INFO] [stdout] 19d00f923a59a61e23f95f0307c9aabb9e60d716223daf1a67e7b0a4807f2233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 302e66959e0b18294ca1472bb282d7687616f3ac710a6d190de69a99a34feb85
[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" "302e66959e0b18294ca1472bb282d7687616f3ac710a6d190de69a99a34feb85", kill_on_drop: false }`
[INFO] [stderr]    Compiling var_byte_str v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "302e66959e0b18294ca1472bb282d7687616f3ac710a6d190de69a99a34feb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302e66959e0b18294ca1472bb282d7687616f3ac710a6d190de69a99a34feb85", kill_on_drop: false }`
[INFO] [stdout] 302e66959e0b18294ca1472bb282d7687616f3ac710a6d190de69a99a34feb85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] bc042040bfc5096c9227e05f41d9f8de2993bfabc80a2572693eafd6c2916f84
[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" "bc042040bfc5096c9227e05f41d9f8de2993bfabc80a2572693eafd6c2916f84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/var_byte_str-9fceda6bcf5d25db
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::cmp_str ... ok
[INFO] [stdout] test tests::convert_back_forth ... ok
[INFO] [stdout] test tests::eq_str ... ok
[INFO] [stdout] test tests::gaps ... ok
[INFO] [stdout] test tests::gaps_bytes ... ok
[INFO] [stdout] test tests::msb_encode_int ... ok
[INFO] [stdout] test tests::long_text_display ... ok
[INFO] [stdout] test tests::short_text_display ... ok
[INFO] [stdout] test tests::hash_obj ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests var_byte_str
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc042040bfc5096c9227e05f41d9f8de2993bfabc80a2572693eafd6c2916f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc042040bfc5096c9227e05f41d9f8de2993bfabc80a2572693eafd6c2916f84", kill_on_drop: false }`
[INFO] [stdout] bc042040bfc5096c9227e05f41d9f8de2993bfabc80a2572693eafd6c2916f84