[INFO] fetching crate bt_bencode 0.3.0...
[INFO] testing bt_bencode-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bt_bencode 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bt_bencode 0.3.0 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 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-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1ec2d81b112162e2e13ccd93cd741fd0a5ab5fd028d822654f40f3b6f2423283
[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" "1ec2d81b112162e2e13ccd93cd741fd0a5ab5fd028d822654f40f3b6f2423283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec2d81b112162e2e13ccd93cd741fd0a5ab5fd028d822654f40f3b6f2423283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec2d81b112162e2e13ccd93cd741fd0a5ab5fd028d822654f40f3b6f2423283", kill_on_drop: false }`
[INFO] [stdout] 1ec2d81b112162e2e13ccd93cd741fd0a5ab5fd028d822654f40f3b6f2423283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a890f34bec6a36228de604d285292711d3d59c56fe4812a66df790743aaa7e4
[INFO] running `Command { std: "docker" "start" "-a" "3a890f34bec6a36228de604d285292711d3d59c56fe4812a66df790743aaa7e4", 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 11.13s
[INFO] running `Command { std: "docker" "inspect" "3a890f34bec6a36228de604d285292711d3d59c56fe4812a66df790743aaa7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a890f34bec6a36228de604d285292711d3d59c56fe4812a66df790743aaa7e4", kill_on_drop: false }`
[INFO] [stdout] 3a890f34bec6a36228de604d285292711d3d59c56fe4812a66df790743aaa7e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 9fd0b2a3f5c2093b96c62e0fb353691f8fdd756156f0e54bbe23482dbaaaba69
[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" "9fd0b2a3f5c2093b96c62e0fb353691f8fdd756156f0e54bbe23482dbaaaba69", kill_on_drop: false }`
[INFO] [stderr]    Compiling bt_bencode v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "9fd0b2a3f5c2093b96c62e0fb353691f8fdd756156f0e54bbe23482dbaaaba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd0b2a3f5c2093b96c62e0fb353691f8fdd756156f0e54bbe23482dbaaaba69", kill_on_drop: false }`
[INFO] [stdout] 9fd0b2a3f5c2093b96c62e0fb353691f8fdd756156f0e54bbe23482dbaaaba69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] c4cb4725e777f374c338690956f3037bf0d64c9d2371c1b6026be947d01fc438
[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" "c4cb4725e777f374c338690956f3037bf0d64c9d2371c1b6026be947d01fc438", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bt_bencode-1c74993ea31dac9f
[INFO] [stdout] 
[INFO] [stdout] running 97 tests
[INFO] [stdout] test de::tests::test_deserialize_dict_2 ... ok
[INFO] [stdout] test de::tests::test_deserialize_dict_1 ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_3 ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_1 ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_2 ... ok
[INFO] [stdout] test de::tests::test_deserialize_integer_4 ... ok
[INFO] [stdout] test de::tests::test_deserialize_list ... ok
[INFO] [stdout] test ser::tests::test_serialize_f32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_char ... ok
[INFO] [stdout] test ser::tests::test_serialize_i64 ... ok
[INFO] [stdout] test ser::tests::test_serialize_i16 ... ok
[INFO] [stdout] test ser::tests::test_serialize_i8 ... 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_bool ... ok
[INFO] [stdout] test ser::tests::test_serialize_i32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_f64 ... ok
[INFO] [stdout] test ser::tests::test_serialize_newtype_variant ... 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_seq_empty ... ok
[INFO] [stdout] test ser::tests::test_serialize_str ... ok
[INFO] [stdout] test ser::tests::test_serialize_u64 ... ok
[INFO] [stdout] test ser::tests::test_serialize_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_u32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_some ... ok
[INFO] [stdout] test ser::tests::test_serialize_unit_variant ... ok
[INFO] [stdout] test de::tests::test_deserialize_struct ... ok
[INFO] [stdout] test de::tests::test_deserialize_string ... ok
[INFO] [stdout] test ser::tests::test_serialize_u64_greater_than_i64_max ... ok
[INFO] [stdout] test ser::tests::test_serialize_unit ... ok
[INFO] [stdout] test ser::tests::test_serialize_unit_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_u8 ... ok
[INFO] [stdout] test ser::tests::test_serialize_empty_str ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_3 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_integer_3 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_4 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_string ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_list ... 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_empty_str ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i16 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_f64 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i64 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i32 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_isize ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_i8 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_newtype_variant ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_newtype_struct ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_none ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_seq ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_seq_empty ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_some ... 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_tuple_struct ... ok
[INFO] [stdout] test ser::tests::test_serialize_bytes ... ok
[INFO] [stdout] test ser::tests::test_serialize_u16 ... ok
[INFO] [stdout] test ser::tests::test_serialize_tuple_variant ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_tuple_variant ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_tuple_struct ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u16 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u64_greater_than_i64_max ... 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::de::tests::test_deserialize_integer_1 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_usize ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_integer_2 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_1 ... ok
[INFO] [stdout] test ser::tests::test_serialize_struct_variant ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u8 ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_unit_variant ... ok
[INFO] [stdout] test ser::tests::test_serialize_tuple ... ok
[INFO] [stdout] test ser::tests::test_serialize_usize ... ok
[INFO] [stdout] test value::ser::tests::test_serialize_u64 ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_byte_str ... ok
[INFO] [stdout] test value::de::tests::test_deserialize_dict_2 ... ok
[INFO] [stdout] test value::tests::test_deserialize_dict_2 ... ok
[INFO] [stdout] test value::tests::test_serialize_integer_3 ... ok
[INFO] [stdout] test value::tests::test_serialize_integer_1 ... ok
[INFO] [stdout] test value::tests::test_serialize_integer_2 ... ok
[INFO] [stdout] test value::tests::test_serialize_dict_2 ... ok
[INFO] [stdout] test value::tests::test_serialize_dict_1 ... 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::tests::test_serialize_list ... ok
[INFO] [stdout] test value::tests::test_deserialize_integer_3 ... ok
[INFO] [stdout] test value::tests::test_serialize_string ... 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_deserialize_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 97 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bt_bencode
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4cb4725e777f374c338690956f3037bf0d64c9d2371c1b6026be947d01fc438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cb4725e777f374c338690956f3037bf0d64c9d2371c1b6026be947d01fc438", kill_on_drop: false }`
[INFO] [stdout] c4cb4725e777f374c338690956f3037bf0d64c9d2371c1b6026be947d01fc438