[INFO] fetching crate narrow 0.1.0...
[INFO] testing narrow-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate narrow 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate narrow 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate narrow 0.1.0
[INFO] finished tweaking crates.io crate narrow 0.1.0
[INFO] tweaked toml for crates.io crate narrow 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c5a73b335dfcd1ff4b7f65e6d91ea23ba05ab07d26c3120c72f31184791dd3d
[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" "6c5a73b335dfcd1ff4b7f65e6d91ea23ba05ab07d26c3120c72f31184791dd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c5a73b335dfcd1ff4b7f65e6d91ea23ba05ab07d26c3120c72f31184791dd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5a73b335dfcd1ff4b7f65e6d91ea23ba05ab07d26c3120c72f31184791dd3d", kill_on_drop: false }`
[INFO] [stdout] 6c5a73b335dfcd1ff4b7f65e6d91ea23ba05ab07d26c3120c72f31184791dd3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 656245d9e1628897b74f8bef4dceb403803a57dfac4a2de0ce964da2fe76b411
[INFO] running `Command { std: "docker" "start" "-a" "656245d9e1628897b74f8bef4dceb403803a57dfac4a2de0ce964da2fe76b411", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling narrow-derive v0.1.0
[INFO] [stderr]    Compiling narrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.17s
[INFO] running `Command { std: "docker" "inspect" "656245d9e1628897b74f8bef4dceb403803a57dfac4a2de0ce964da2fe76b411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656245d9e1628897b74f8bef4dceb403803a57dfac4a2de0ce964da2fe76b411", kill_on_drop: false }`
[INFO] [stdout] 656245d9e1628897b74f8bef4dceb403803a57dfac4a2de0ce964da2fe76b411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] ab121e5107e15adbd302d7ad0f11f3b4006faa63ab8c978888408ee66378f5e1
[INFO] running `Command { std: "docker" "start" "-a" "ab121e5107e15adbd302d7ad0f11f3b4006faa63ab8c978888408ee66378f5e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling narrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Layout::size` that must be used
[INFO] [stdout]    --> src/buffer.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 437 |         layout::<u8, 0>(0).size();
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "ab121e5107e15adbd302d7ad0f11f3b4006faa63ab8c978888408ee66378f5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab121e5107e15adbd302d7ad0f11f3b4006faa63ab8c978888408ee66378f5e1", kill_on_drop: false }`
[INFO] [stdout] ab121e5107e15adbd302d7ad0f11f3b4006faa63ab8c978888408ee66378f5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 2ae15ca0728259a07fc2b21b28c192b11727bb050031c5eaab55132818816d03
[INFO] running `Command { std: "docker" "start" "-a" "2ae15ca0728259a07fc2b21b28c192b11727bb050031c5eaab55132818816d03", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Layout::size` that must be used
[INFO] [stderr]    --> src/buffer.rs:437:9
[INFO] [stderr]     |
[INFO] [stderr] 437 |         layout::<u8, 0>(0).size();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `narrow` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/narrow-5c9b36b1873497c8)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test array::boolean::tests::deref ... ok
[INFO] [stdout] test array::fixed_size_primitive::tests::from_iter ... ok
[INFO] [stdout] test array::fixed_size_list::tests::from_iter ... ok
[INFO] [stdout] test array::r#struct::tests::derive ... ok
[INFO] [stdout] test array::string::tests::from_iter ... ok
[INFO] [stdout] test array::fixed_size_list::tests::into_iter ... ok
[INFO] [stdout] test array::variable_size_binary::tests::from_iter ... ok
[INFO] [stdout] test array::variable_size_list::tests::from_iter ... ok
[INFO] [stdout] test array::variable_size_list::tests::into_iter ... ok
[INFO] [stdout] test bitmap::tests::as_ref ... ok
[INFO] [stdout] test bitmap::tests::into_iter ... ok
[INFO] [stdout] test bitmap::tests::from_iter_ref ... ok
[INFO] [stdout] test array::union::tests::from_iter ... ok
[INFO] [stdout] test bitmap::tests::from_iter ... ok
[INFO] [stdout] test bitmap::tests::deref ... ok
[INFO] [stdout] test buffer::tests::as_ref ... ok
[INFO] [stdout] test buffer::tests::as_ref_u8 ... ok
[INFO] [stdout] test buffer::tests::borrow ... ok
[INFO] [stdout] test buffer::tests::default ... ok
[INFO] [stdout] test buffer::tests::from_iter_ref ... ok
[INFO] [stdout] test bitmap::tests::as_ref_bitslice ... ok
[INFO] [stdout] test buffer::tests::into_iter ... ok
[INFO] [stdout] test bitmap::tests::capacity ... ok
[INFO] [stdout] test buffer::tests::layout_size ... ok
[INFO] [stdout] test nullable::tests::into_iter ... ok
[INFO] [stdout] test offset::tests::array_data ... ok
[INFO] [stdout] test offset::tests::from_iter ... ok
[INFO] [stdout] test offset::tests::into_iter ... ok
[INFO] [stdout] test validity::tests::array_data ... ok
[INFO] [stdout] test validity::tests::data ... ok
[INFO] [stdout] test validity::tests::deref ... ok
[INFO] [stdout] test bitmap::tests::as_ref_usize ... ok
[INFO] [stdout] test array::boolean::tests::from_iter ... ok
[INFO] [stdout] test array::dictionary::tests::from_iter ... ok
[INFO] [stdout] test array::dictionary::tests::into_iter ... ok
[INFO] [stdout] test array::string::tests::into_iter ... ok
[INFO] [stdout] test array::variable_size_binary::tests::into_iter ... ok
[INFO] [stdout] test buffer::tests::deref ... ok
[INFO] [stdout] test buffer::tests::from_iter ... ok
[INFO] [stdout] test bitmap::tests::as_ref_u8 ... ok
[INFO] [stdout] test nullable::tests::from_iter ... ok
[INFO] [stderr]    Doc-tests narrow
[INFO] [stdout] test bitmap::tests::as_ref_bitslice_out_of_bounds - should panic ... ok
[INFO] [stdout] test buffer::tests::layout_bad_align - should panic ... ok
[INFO] [stdout] test buffer::tests::layout_zero_sized - should panic ... ok
[INFO] [stdout] test buffer::tests::layout_overflow - should panic ... ok
[INFO] [stdout] test bitmap::tests::as_ref_u8_out_of_bounds - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/array/mod.rs - array::Array::any_valid (line 148) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::all_null (line 104) ... ok
[INFO] [stdout] test src/nullable.rs - nullable::Nullable<T>::data (line 44) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::len (line 52) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::is_empty (line 65) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::valid_count (line 135) ... ok
[INFO] [stdout] test src/nullable.rs - nullable::Nullable<T>::validity (line 25) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::any_null (line 91) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::is_valid (line 178) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::all_valid (line 161) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::null_count (line 78) ... ok
[INFO] [stdout] test src/array/mod.rs - array::Array::is_null (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ae15ca0728259a07fc2b21b28c192b11727bb050031c5eaab55132818816d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae15ca0728259a07fc2b21b28c192b11727bb050031c5eaab55132818816d03", kill_on_drop: false }`
[INFO] [stdout] 2ae15ca0728259a07fc2b21b28c192b11727bb050031c5eaab55132818816d03