[INFO] fetching crate stream-vbyte 0.3.2...
[INFO] testing stream-vbyte-0.3.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate stream-vbyte 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stream-vbyte 0.3.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75a7a3409a47d9cef07920a6ecdc53039a67a518814fced16a227f238da3711
[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" "b75a7a3409a47d9cef07920a6ecdc53039a67a518814fced16a227f238da3711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75a7a3409a47d9cef07920a6ecdc53039a67a518814fced16a227f238da3711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75a7a3409a47d9cef07920a6ecdc53039a67a518814fced16a227f238da3711", kill_on_drop: false }`
[INFO] [stdout] b75a7a3409a47d9cef07920a6ecdc53039a67a518814fced16a227f238da3711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b367d30572cfa282e36010b7d144d7bbfa74d3ec4afd50455a033a5d91be67b
[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" "1b367d30572cfa282e36010b7d144d7bbfa74d3ec4afd50455a033a5d91be67b", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[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 borrow that must be used
[INFO] [stdout]    --> src/lib.rs:307:5
[INFO] [stdout]     |
[INFO] [stdout] 307 |     &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "1b367d30572cfa282e36010b7d144d7bbfa74d3ec4afd50455a033a5d91be67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b367d30572cfa282e36010b7d144d7bbfa74d3ec4afd50455a033a5d91be67b", kill_on_drop: false }`
[INFO] [stdout] 1b367d30572cfa282e36010b7d144d7bbfa74d3ec4afd50455a033a5d91be67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] b3e0e5d306bbcc94d1dcd82e5199d2275c58a20aec59a07e9731d60b1588edc5
[INFO] running `Command { std: "docker" "start" "-a" "b3e0e5d306bbcc94d1dcd82e5199d2275c58a20aec59a07e9731d60b1588edc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[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] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:307:5
[INFO] [stdout]     |
[INFO] [stdout] 307 |     &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[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: 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: 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 borrow that must be used
[INFO] [stdout]    --> src/lib.rs:307:5
[INFO] [stdout]     |
[INFO] [stdout] 307 |     &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.45s
[INFO] running `Command { std: "docker" "inspect" "b3e0e5d306bbcc94d1dcd82e5199d2275c58a20aec59a07e9731d60b1588edc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e0e5d306bbcc94d1dcd82e5199d2275c58a20aec59a07e9731d60b1588edc5", kill_on_drop: false }`
[INFO] [stdout] b3e0e5d306bbcc94d1dcd82e5199d2275c58a20aec59a07e9731d60b1588edc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d28a49b3653a621ceda969262ac112989d8955a6258db78118b3cc181f592b9
[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" "3d28a49b3653a621ceda969262ac112989d8955a6258db78118b3cc181f592b9", 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: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:307:5
[INFO] [stderr]     |
[INFO] [stderr] 307 |     &buf[0..len].copy_from_slice(&input[0..len]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stream-vbyte` (lib) generated 2 warnings
[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: `stream-vbyte` (test "cursor") generated 1 warning
[INFO] [stderr] warning: `stream-vbyte` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stream_vbyte-3969609d3d0a67eb)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test tests::encode_num_middleish ... ok
[INFO] [stdout] test tests::encode_num_u32_max ... ok
[INFO] [stdout] test tests::encode_num_zero ... ok
[INFO] [stdout] test tests::encode_num_bottom_two_bytes ... ok
[INFO] [stdout] test tests::decode_num_1_byte ... ok
[INFO] [stdout] test tests::decode_num_2_byte ... ok
[INFO] [stdout] test tests::decode_num_u32_max ... ok
[INFO] [stdout] test tests::decode_num_zero ... ok
[INFO] [stdout] test tests::decode_num_4_byte ... ok
[INFO] [stdout] test tests::encoded_shape_len_0 ... ok
[INFO] [stdout] test tests::encoded_shape_len_1 ... ok
[INFO] [stdout] test tests::encoded_shape_len_3 ... ok
[INFO] [stdout] test cursor::tests::skip_entire_enput_is_done ... ok
[INFO] [stdout] test tests::encoded_shape_len_4 ... ok
[INFO] [stdout] test tests::encoded_shape_len_5 ... ok
[INFO] [stdout] test tests::decode_num_3_byte ... ok
[INFO] [stdout] test cursor::tests::panics_on_exceeding_full_quads - should panic ... ok
[INFO] [stdout] test cursor::tests::panics_on_not_multiple_of_4 - should panic ... ok
[INFO] [stdout] test tests::encode_decode_roundtrip_random ... ok
[INFO] [stdout] test tests::cumulative_encoded_len_accurate_complete_quad ... ok
[INFO] [stdout] test tests::decoder_honors_nums_to_decode_scalar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stderr]      Running tests/cursor.rs (/opt/rustwide/target/debug/deps/cursor-a09ef2ebf5165aab)
[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 tests/tests.rs (/opt/rustwide/target/debug/deps/tests-8a65f9079983b219)
[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; finished in 5.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test encode_scalar_compare_reference_impl ... ok
[INFO] [stdout] test partial_final_quad_roundtrip_scalar ... ok
[INFO] [stdout] test random_roundtrip_scalar_scalar ... ok
[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; finished in 15.39s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream-vbyte
[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] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d28a49b3653a621ceda969262ac112989d8955a6258db78118b3cc181f592b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d28a49b3653a621ceda969262ac112989d8955a6258db78118b3cc181f592b9", kill_on_drop: false }`
[INFO] [stdout] 3d28a49b3653a621ceda969262ac112989d8955a6258db78118b3cc181f592b9