[INFO] fetching crate arbitrary 1.0.0-rc1...
[INFO] testing arbitrary-1.0.0-rc1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate arbitrary 1.0.0-rc1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate arbitrary 1.0.0-rc1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbitrary 1.0.0-rc1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary 1.0.0-rc1
[INFO] tweaked toml for crates.io crate arbitrary 1.0.0-rc1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate arbitrary 1.0.0-rc1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.51
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.0-rc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] b67603b6fd5e80aae4de1f8660266de8073f3026f46c6347ab7c7cf83630ff28
[INFO] running `Command { std: "docker" "start" "-a" "b67603b6fd5e80aae4de1f8660266de8073f3026f46c6347ab7c7cf83630ff28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b67603b6fd5e80aae4de1f8660266de8073f3026f46c6347ab7c7cf83630ff28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67603b6fd5e80aae4de1f8660266de8073f3026f46c6347ab7c7cf83630ff28", kill_on_drop: false }`
[INFO] [stdout] b67603b6fd5e80aae4de1f8660266de8073f3026f46c6347ab7c7cf83630ff28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221a14b34b1ed2ee791b3cde5a9b6360ee9170ae22c67e45104d3c674282c520
[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" "221a14b34b1ed2ee791b3cde5a9b6360ee9170ae22c67e45104d3c674282c520", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.0.0-rc1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "221a14b34b1ed2ee791b3cde5a9b6360ee9170ae22c67e45104d3c674282c520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221a14b34b1ed2ee791b3cde5a9b6360ee9170ae22c67e45104d3c674282c520", kill_on_drop: false }`
[INFO] [stdout] 221a14b34b1ed2ee791b3cde5a9b6360ee9170ae22c67e45104d3c674282c520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 349cc348fa36941fe06969917ad4c17848a3143a0a20fec4795e137bc3f968c6
[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" "349cc348fa36941fe06969917ad4c17848a3143a0a20fec4795e137bc3f968c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.0.0-rc1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "349cc348fa36941fe06969917ad4c17848a3143a0a20fec4795e137bc3f968c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349cc348fa36941fe06969917ad4c17848a3143a0a20fec4795e137bc3f968c6", kill_on_drop: false }`
[INFO] [stdout] 349cc348fa36941fe06969917ad4c17848a3143a0a20fec4795e137bc3f968c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "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] b10120c636d4a79a1792cfec9b6c4a7ea9d34613c4e27025581c824cc60dd475
[INFO] running `Command { std: "docker" "start" "-a" "b10120c636d4a79a1792cfec9b6c4a7ea9d34613c4e27025581c824cc60dd475", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arbitrary-5dbf6aece39789a7
[INFO] [stdout] test size_hint::tests::and ... ok
[INFO] [stdout] test size_hint::tests::and_all ... ok
[INFO] [stdout] test size_hint::tests::or ... ok
[INFO] [stdout] test test::arbitrary_collection ... ok
[INFO] [stdout] test test::arbitrary_for_integers ... ok
[INFO] [stdout] test test::size_hint_for_tuples ... ok
[INFO] [stdout] test test::arbitrary_take_rest ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_of_one ... ok
[INFO] [stdout] test test::finite_buffer_fill_buffer ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/path-a961523d977faf6a
[INFO] [stdout] test unstructured::tests::test_byte_size ... ok
[INFO] [stdout] test size_hint::tests::or_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arbitrary
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::fill_buffer (line 387) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::arbitrary (line 146) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 101) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::get_bytes (line 417) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary_len (line 185) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::new (line 79) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary (line 144) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::int_in_range (line 280) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::is_empty (line 117) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::len (line 93) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured (line 44) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::size_hint (line 214) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::choose (line 356) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 73) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::peek_bytes (line 444) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::take_rest (line 466) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b10120c636d4a79a1792cfec9b6c4a7ea9d34613c4e27025581c824cc60dd475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10120c636d4a79a1792cfec9b6c4a7ea9d34613c4e27025581c824cc60dd475", kill_on_drop: false }`
[INFO] [stdout] b10120c636d4a79a1792cfec9b6c4a7ea9d34613c4e27025581c824cc60dd475