[INFO] fetching crate bt_bencode 0.3.0...
[INFO] testing bt_bencode-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bt_bencode 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bt_bencode 0.3.0 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 bt_bencode 0.3.0
[INFO] finished tweaking crates.io crate bt_bencode 0.3.0
[INFO] tweaked toml for crates.io crate bt_bencode 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 serde_bytes v0.11.5
[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" "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] [stdout] f444a043c39043e515ac32407ba30644bb4d60f03f2eb5d2e50924f92272b4be
[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" "f444a043c39043e515ac32407ba30644bb4d60f03f2eb5d2e50924f92272b4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f444a043c39043e515ac32407ba30644bb4d60f03f2eb5d2e50924f92272b4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f444a043c39043e515ac32407ba30644bb4d60f03f2eb5d2e50924f92272b4be", kill_on_drop: false }`
[INFO] [stdout] f444a043c39043e515ac32407ba30644bb4d60f03f2eb5d2e50924f92272b4be
[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=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] d37899c205ac821b8b01e4c736002c4a0e5f8964137bbaf12b1b3e5002cc6676
[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" "d37899c205ac821b8b01e4c736002c4a0e5f8964137bbaf12b1b3e5002cc6676", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bt_bencode v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "d37899c205ac821b8b01e4c736002c4a0e5f8964137bbaf12b1b3e5002cc6676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37899c205ac821b8b01e4c736002c4a0e5f8964137bbaf12b1b3e5002cc6676", kill_on_drop: false }`
[INFO] [stdout] d37899c205ac821b8b01e4c736002c4a0e5f8964137bbaf12b1b3e5002cc6676
[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=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] 40bf0e0f654a900de1cb41418b8a2e80076d378d32d4f76fc0f0cd0f832f3787
[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" "40bf0e0f654a900de1cb41418b8a2e80076d378d32d4f76fc0f0cd0f832f3787", kill_on_drop: false }`
[INFO] [stderr]    Compiling bt_bencode v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "40bf0e0f654a900de1cb41418b8a2e80076d378d32d4f76fc0f0cd0f832f3787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bf0e0f654a900de1cb41418b8a2e80076d378d32d4f76fc0f0cd0f832f3787", kill_on_drop: false }`
[INFO] [stdout] 40bf0e0f654a900de1cb41418b8a2e80076d378d32d4f76fc0f0cd0f832f3787
[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=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] [stdout] b888b03e2afc19c3971833aba1ec3c47f9050ed9fdcbc569fd03d02f58e5d78f
[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" "b888b03e2afc19c3971833aba1ec3c47f9050ed9fdcbc569fd03d02f58e5d78f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bt_bencode-45f6d4fb3d6aebbe
[INFO] [stdout] 
[INFO] [stdout] running 97 tests
[INFO] [stdout] test de::tests::test_deserialize_dict_1 ... ok
[INFO] [stdout] test de::tests::test_deserialize_dict_2 ... ok
[INFO] [stdout] test de::tests::test_deserialize_string ... ok
[INFO] [stdout] test de::tests::test_deserialize_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_bool ... ok
[INFO] [stdout] test ser::tests::test_serialize_f32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_f64 ... ok
[INFO] [stdout] test ser::tests::test_serialize_i16 ... ok
[INFO] [stdout] test ser::tests::test_serialize_i32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_isize ... ok
[INFO] [stdout] test ser::tests::test_serialize_newtype_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_none ... ok
[INFO] [stdout] test ser::tests::test_serialize_seq ... ok
[INFO] [stdout] test ser::tests::test_serialize_empty_str ... ok
[INFO] [stdout] test ser::tests::test_serialize_newtype_variant ... ok
[INFO] [stdout] test ser::tests::test_serialize_char ... ok
[INFO] [stdout] test de::tests::test_deserialize_list ... ok
[INFO] [stdout] test ser::tests::test_serialize_bytes ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_4 ... ok
[INFO] [stdout] test ser::tests::test_serialize_struct_variant ... ok
[INFO] [stdout] test ser::tests::test_serialize_tuple ... ok
[INFO] [stdout] test ser::tests::test_serialize_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_tuple_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_u16 ... ok
[INFO] [stdout] test ser::tests::test_serialize_u32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_u64 ... ok
[INFO] [stdout] test ser::tests::test_serialize_u8 ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_3 ... ok
[INFO] [stdout] test ser::tests::test_serialize_i64 ... ok
[INFO] [stdout] test ser::tests::test_serialize_unit ... ok
[INFO] [stdout] test ser::tests::test_serialize_i8 ... ok
[INFO] [stdout] test ser::tests::test_serialize_unit_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_unit_variant ... ok
[INFO] [stdout] test ser::tests::test_serialize_usize ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_1 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_2 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_3 ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_1 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_4 ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_2 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_integer_1 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_integer_3 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_integer_2 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_bool ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_bytes ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_char ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_f32 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_f64 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i16 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i64 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i8 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_isize ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_newtype_struct ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_newtype_variant ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_none ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_seq_empty ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_empty_str ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_u64_greater_than_i64_max ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_some ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_string ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_str ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_struct ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_struct_variant ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_tuple ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_seq ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_tuple_variant ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_tuple_struct ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u8 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_unit ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_unit_struct ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u16 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u32 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u64 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u64_greater_than_i64_max ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_unit_variant ... ok
[INFO] [stdout] test value::tests::test_deserialize_dict_2 ... ok
[INFO] [stdout] test value::tests::test_deserialize_integer_1 ... ok
[INFO] [stdout] test value::tests::test_deserialize_integer_2 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_usize ... ok
[INFO] [stdout] test value::tests::test_deserialize_integer_3 ... ok
[INFO] [stdout] test value::tests::test_deserialize_string ... ok
[INFO] [stdout] test value::tests::test_serialize_dict_1 ... ok
[INFO] [stdout] test value::tests::test_deserialize_list ... ok
[INFO] [stdout] test value::tests::test_deserialize_dict_1 ... ok
[INFO] [stdout] test value::tests::test_serialize_dict_2 ... ok
[INFO] [stdout] test value::tests::test_serialize_string ... ok
[INFO] [stdout] test value::tests::test_serialize_integer_1 ... ok
[INFO] [stderr]    Doc-tests bt_bencode
[INFO] [stdout] test value::tests::test_serialize_integer_2 ... ok
[INFO] [stdout] test value::tests::test_serialize_list ... ok
[INFO] [stdout] test value::tests::test_serialize_integer_3 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_list ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_byte_str ... ok
[INFO] [stdout] test ser::tests::test_serialize_str ... ok
[INFO] [stdout] test ser::tests::test_serialize_seq_empty ... ok
[INFO] [stdout] test ser::tests::test_serialize_some ... ok
[INFO] [stdout] test ser::tests::test_serialize_tuple_variant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 97 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b888b03e2afc19c3971833aba1ec3c47f9050ed9fdcbc569fd03d02f58e5d78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b888b03e2afc19c3971833aba1ec3c47f9050ed9fdcbc569fd03d02f58e5d78f", kill_on_drop: false }`
[INFO] [stdout] b888b03e2afc19c3971833aba1ec3c47f9050ed9fdcbc569fd03d02f58e5d78f