[INFO] fetching crate serde-rlp 0.1.4...
[INFO] testing serde-rlp-0.1.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate serde-rlp 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serde-rlp 0.1.4 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 serde-rlp 0.1.4
[INFO] finished tweaking crates.io crate serde-rlp 0.1.4
[INFO] tweaked toml for crates.io crate serde-rlp 0.1.4 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd3b06ab54c92b7b0810ae2f5287cdd0aa9dfae0eb6512519c3b2fd35fd34c3c
[INFO] running `Command { std: "docker" "start" "-a" "dd3b06ab54c92b7b0810ae2f5287cdd0aa9dfae0eb6512519c3b2fd35fd34c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd3b06ab54c92b7b0810ae2f5287cdd0aa9dfae0eb6512519c3b2fd35fd34c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3b06ab54c92b7b0810ae2f5287cdd0aa9dfae0eb6512519c3b2fd35fd34c3c", kill_on_drop: false }`
[INFO] [stdout] dd3b06ab54c92b7b0810ae2f5287cdd0aa9dfae0eb6512519c3b2fd35fd34c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1bdf698df2ec61380992316a8084e07c8b8b6e82c7fdc4cc7d596ba02a8b5a38
[INFO] running `Command { std: "docker" "start" "-a" "1bdf698df2ec61380992316a8084e07c8b8b6e82c7fdc4cc7d596ba02a8b5a38", kill_on_drop: false }`
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde-rlp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:43:48
[INFO] [stdout]    |
[INFO] [stdout] 43 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_bytes`
[INFO] [stdout]    --> src/de.rs:429:4
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn get_bytes(b: &str) -> Option<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 6.93s
[INFO] running `Command { std: "docker" "inspect" "1bdf698df2ec61380992316a8084e07c8b8b6e82c7fdc4cc7d596ba02a8b5a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdf698df2ec61380992316a8084e07c8b8b6e82c7fdc4cc7d596ba02a8b5a38", kill_on_drop: false }`
[INFO] [stdout] 1bdf698df2ec61380992316a8084e07c8b8b6e82c7fdc4cc7d596ba02a8b5a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 71888be51412e8b583ddc95c63c3a5ff6e47fc7aab70c768bb7cd086bf7470ee
[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" "71888be51412e8b583ddc95c63c3a5ff6e47fc7aab70c768bb7cd086bf7470ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:43:48
[INFO] [stdout]    |
[INFO] [stdout] 43 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_bytes`
[INFO] [stdout]    --> src/de.rs:429:4
[INFO] [stdout]     |
[INFO] [stdout] 429 | fn get_bytes(b: &str) -> Option<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde-rlp v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:43:48
[INFO] [stdout]    |
[INFO] [stdout] 43 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71888be51412e8b583ddc95c63c3a5ff6e47fc7aab70c768bb7cd086bf7470ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71888be51412e8b583ddc95c63c3a5ff6e47fc7aab70c768bb7cd086bf7470ee", kill_on_drop: false }`
[INFO] [stdout] 71888be51412e8b583ddc95c63c3a5ff6e47fc7aab70c768bb7cd086bf7470ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 455b44a76c8a37db6784d64f0312cb022e2046c61ee654537bd29b9491a9cb99
[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" "455b44a76c8a37db6784d64f0312cb022e2046c61ee654537bd29b9491a9cb99", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:43:48
[INFO] [stderr]    |
[INFO] [stderr] 43 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_bytes`
[INFO] [stderr]    --> src/de.rs:429:4
[INFO] [stderr]     |
[INFO] [stderr] 429 | fn get_bytes(b: &str) -> Option<Vec<u8>> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-rlp` (lib) generated 2 warnings
[INFO] [stderr] warning: `serde-rlp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_rlp-7cb02930c845f976)
[INFO] [stdout] running 39 tests
[INFO] [stdout] test de::deserialize_longer_string ... ok
[INFO] [stdout] test de::deserialize_nested_sequence_of_string_seq ... ok
[INFO] [stdout] test de::deserialize_short_array ... ok
[INFO] [stdout] test de::deserialize_short_string ... ok
[INFO] [stdout] test de::deserialize_short_array_into_tuple ... ok
[INFO] [stdout] test de::deserialize_three_levels ... ok
[INFO] [stdout] test de::invalid_complex ... ok
[INFO] [stdout] test rlp::decode_u32_max ... ok
[INFO] [stdout] test rlp::decode_empty_byte_slice ... ok
[INFO] [stdout] test de::deserialize_set_representation_of_three ... ok
[INFO] [stdout] test rlp::test_encode_number ... ok
[INFO] [stdout] test de::unsigned_eth_transaction ... ok
[INFO] [stdout] test de::lorem_ipsum ... ok
[INFO] [stdout] test rlp::decode_short_array ... ok
[INFO] [stdout] test rlp::decode_short_string ... ok
[INFO] [stdout] test rlp::decode_single_byte ... ok
[INFO] [stdout] test rlp::decode_u64_max ... ok
[INFO] [stdout] test rlp::test_encode_length_big ... ok
[INFO] [stdout] test rlp::test_to_binary_non_null ... ok
[INFO] [stdout] test rlp::test_to_binary_null ... ok
[INFO] [stdout] test rlp::to_integer_with_empty_buffer ... ok
[INFO] [stdout] test rlp::to_integer_with_multiple_bytes ... ok
[INFO] [stdout] test rlp::to_integer_with_single_byte ... ok
[INFO] [stdout] test ser::test_array ... ok
[INFO] [stdout] test ser::test_integer_0 ... ok
[INFO] [stdout] test ser::test_integer_1024 ... ok
[INFO] [stdout] test ser::test_integer_1024_u32 ... ok
[INFO] [stdout] test ser::test_integer_15 ... ok
[INFO] [stdout] test ser::test_kv ... ok
[INFO] [stdout] test ser::test_long_string ... ok
[INFO] [stdout] test ser::test_nested_shortlist ... ok
[INFO] [stdout] test ser::test_shortlist ... ok
[INFO] [stdout] test ser::test_shortlist_as_tuple ... ok
[INFO] [stdout] test ser::test_shortstring ... ok
[INFO] [stdout] test ser::test_wrapped_shortlist ... ok
[INFO] [stdout] test ser::test_emptystring ... ok
[INFO] [stdout] test rlp::test_encode_length_small ... ok
[INFO] [stdout] test rlp::test_encode_length_of_wrong_size - should panic ... ok
[INFO] [stdout] test de::simple_invalid - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/structures.rs (/opt/rustwide/target/debug/deps/structures-a9d96159f31b74f1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-rlp
[INFO] [stdout] running 1 test
[INFO] [stdout] test serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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] running `Command { std: "docker" "inspect" "455b44a76c8a37db6784d64f0312cb022e2046c61ee654537bd29b9491a9cb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455b44a76c8a37db6784d64f0312cb022e2046c61ee654537bd29b9491a9cb99", kill_on_drop: false }`
[INFO] [stdout] 455b44a76c8a37db6784d64f0312cb022e2046c61ee654537bd29b9491a9cb99