[INFO] fetching crate stream-vbyte 0.3.2...
[INFO] testing stream-vbyte-0.3.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stream-vbyte 0.3.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate stream-vbyte 0.3.2 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 stream-vbyte 0.3.2
[INFO] finished tweaking crates.io crate stream-vbyte 0.3.2
[INFO] tweaked toml for crates.io crate stream-vbyte 0.3.2 written to /workspace/builds/worker-14/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] 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f451ee3e1958c83a293c1f8eb7e3f383e2e1a46d1d85b4d27d509e9c81e46a1f
[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" "f451ee3e1958c83a293c1f8eb7e3f383e2e1a46d1d85b4d27d509e9c81e46a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f451ee3e1958c83a293c1f8eb7e3f383e2e1a46d1d85b4d27d509e9c81e46a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f451ee3e1958c83a293c1f8eb7e3f383e2e1a46d1d85b4d27d509e9c81e46a1f", kill_on_drop: false }`
[INFO] [stdout] f451ee3e1958c83a293c1f8eb7e3f383e2e1a46d1d85b4d27d509e9c81e46a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4bfdb55c61157256c06eb229ea8375676cd7e15ebe6fce04db7447914513ea58
[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" "4bfdb55c61157256c06eb229ea8375676cd7e15ebe6fce04db7447914513ea58", kill_on_drop: false }`
[INFO] [stderr]    Compiling stream-vbyte v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib.rs:317:14
[INFO] [stdout]     |
[INFO] [stdout] 317 |         .map({ |&b| tables::DECODE_LENGTH_PER_QUAD_TABLE[b as usize] as usize })
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "4bfdb55c61157256c06eb229ea8375676cd7e15ebe6fce04db7447914513ea58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bfdb55c61157256c06eb229ea8375676cd7e15ebe6fce04db7447914513ea58", kill_on_drop: false }`
[INFO] [stdout] 4bfdb55c61157256c06eb229ea8375676cd7e15ebe6fce04db7447914513ea58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cad0f7624f20a46dcbfca13bfe84008b8125cb635b95dceb62ce8d17909ffd4
[INFO] running `Command { std: "docker" "start" "-a" "8cad0f7624f20a46dcbfca13bfe84008b8125cb635b95dceb62ce8d17909ffd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib.rs:317:14
[INFO] [stdout]     |
[INFO] [stdout] 317 |         .map({ |&b| tables::DECODE_LENGTH_PER_QUAD_TABLE[b as usize] as usize })
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling stream-vbyte v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib.rs:317:14
[INFO] [stdout]     |
[INFO] [stdout] 317 |         .map({ |&b| tables::DECODE_LENGTH_PER_QUAD_TABLE[b as usize] as usize })
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> tests/cursor.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         'dec1: for initial_decode_len in 4..(count + 1) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.65s
[INFO] running `Command { std: "docker" "inspect" "8cad0f7624f20a46dcbfca13bfe84008b8125cb635b95dceb62ce8d17909ffd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cad0f7624f20a46dcbfca13bfe84008b8125cb635b95dceb62ce8d17909ffd4", kill_on_drop: false }`
[INFO] [stdout] 8cad0f7624f20a46dcbfca13bfe84008b8125cb635b95dceb62ce8d17909ffd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0405f9745a40a85534d7a0661601af03f135cdacc7bcdbb92d8d8598bedba851
[INFO] running `Command { std: "docker" "start" "-a" "0405f9745a40a85534d7a0661601af03f135cdacc7bcdbb92d8d8598bedba851", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib.rs:317:14
[INFO] [stderr]     |
[INFO] [stderr] 317 |         .map({ |&b| tables::DECODE_LENGTH_PER_QUAD_TABLE[b as usize] as usize })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> tests/cursor.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         'dec1: for initial_decode_len in 4..(count + 1) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib.rs:317:14
[INFO] [stderr]     |
[INFO] [stderr] 317 |         .map({ |&b| tables::DECODE_LENGTH_PER_QUAD_TABLE[b as usize] as usize })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stream_vbyte-22390d27cedef8d4
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test cursor::tests::skip_entire_enput_is_done ... ok
[INFO] [stdout] test tests::decode_num_1_byte ... ok
[INFO] [stdout] test tests::encode_num_bottom_two_bytes ... ok
[INFO] [stdout] test tests::decode_num_4_byte ... ok
[INFO] [stdout] test tests::decode_num_zero ... ok
[INFO] [stdout] test tests::decode_num_3_byte ... ok
[INFO] [stdout] test tests::encode_num_middleish ... ok
[INFO] [stdout] test tests::encode_num_u32_max ... ok
[INFO] [stdout] test tests::decode_num_2_byte ... ok
[INFO] [stdout] test tests::decode_num_u32_max ... ok
[INFO] [stdout] test tests::encoded_shape_len_4 ... ok
[INFO] [stdout] test tests::encoded_shape_len_3 ... ok
[INFO] [stdout] test tests::encoded_shape_len_5 ... ok
[INFO] [stdout] test tests::encoded_shape_len_0 ... ok
[INFO] [stdout] test tests::encoded_shape_len_1 ... ok
[INFO] [stdout] test tests::encode_num_zero ... ok
[INFO] [stdout] test cursor::tests::panics_on_not_multiple_of_4 ... ok
[INFO] [stdout] test cursor::tests::panics_on_exceeding_full_quads ... ok
[INFO] [stdout] test tests::encode_decode_roundtrip_random ... ok
[INFO] [stdout] test tests::decoder_honors_nums_to_decode_scalar ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cursor-877f2d7f0b88696c
[INFO] [stdout] test tests::cumulative_encoded_len_accurate_complete_quad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test decode_cursor_skip_from_start_scalar ... ok
[INFO] [stdout] test decode_cursor_every_decode_len_scalar ... ok
[INFO] [stdout] test decode_cursor_skip_every_allowable_len_between_decodes_scalar ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-c5e44902a9844d26
[INFO] [stdout] test decode_cursor_random_decode_len_scalar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test partial_final_quad_roundtrip_scalar ... ok
[INFO] [stdout] test encode_scalar_compare_reference_impl ... ok
[INFO] [stdout] test random_roundtrip_scalar_scalar ... ok
[INFO] [stderr]    Doc-tests stream-vbyte
[INFO] [stdout] test all_same_single_byte_scalar_scalar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:317:14
[INFO] [stderr]     |
[INFO] [stderr] 317 |         .map({ |&b| tables::DECODE_LENGTH_PER_QUAD_TABLE[b as usize] as usize })
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0405f9745a40a85534d7a0661601af03f135cdacc7bcdbb92d8d8598bedba851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0405f9745a40a85534d7a0661601af03f135cdacc7bcdbb92d8d8598bedba851", kill_on_drop: false }`
[INFO] [stdout] 0405f9745a40a85534d7a0661601af03f135cdacc7bcdbb92d8d8598bedba851