[INFO] fetching crate ei 0.2.0...
[INFO] testing ei-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ei 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ei 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ei 0.2.0
[INFO] finished tweaking crates.io crate ei 0.2.0
[INFO] tweaked toml for crates.io crate ei 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ei 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0ef301a34f481e0f9cf8f5ab24ddb0a638bc85f68ff6a70973a2cd8125ba3d73
[INFO] running `Command { std: "docker" "start" "-a" "0ef301a34f481e0f9cf8f5ab24ddb0a638bc85f68ff6a70973a2cd8125ba3d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef301a34f481e0f9cf8f5ab24ddb0a638bc85f68ff6a70973a2cd8125ba3d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef301a34f481e0f9cf8f5ab24ddb0a638bc85f68ff6a70973a2cd8125ba3d73", kill_on_drop: false }`
[INFO] [stdout] 0ef301a34f481e0f9cf8f5ab24ddb0a638bc85f68ff6a70973a2cd8125ba3d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d0beafc7da5eb201d0bb4438208218944f6e82b9b3e4ff2cad675c60edc816
[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" "e0d0beafc7da5eb201d0bb4438208218944f6e82b9b3e4ff2cad675c60edc816", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ei v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.15s
[INFO] running `Command { std: "docker" "inspect" "e0d0beafc7da5eb201d0bb4438208218944f6e82b9b3e4ff2cad675c60edc816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d0beafc7da5eb201d0bb4438208218944f6e82b9b3e4ff2cad675c60edc816", kill_on_drop: false }`
[INFO] [stdout] e0d0beafc7da5eb201d0bb4438208218944f6e82b9b3e4ff2cad675c60edc816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 901ac62639b21dc94fc733bf94292f44687ed33cf66af584b3737cf68d418a06
[INFO] running `Command { std: "docker" "start" "-a" "901ac62639b21dc94fc733bf94292f44687ed33cf66af584b3737cf68d418a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling ei v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "901ac62639b21dc94fc733bf94292f44687ed33cf66af584b3737cf68d418a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901ac62639b21dc94fc733bf94292f44687ed33cf66af584b3737cf68d418a06", kill_on_drop: false }`
[INFO] [stdout] 901ac62639b21dc94fc733bf94292f44687ed33cf66af584b3737cf68d418a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 5206e0f7bb1cc4f93e83d89bd12697a1c145a9ebbc0ce94040e39e7fc2bedb5d
[INFO] running `Command { std: "docker" "start" "-a" "5206e0f7bb1cc4f93e83d89bd12697a1c145a9ebbc0ce94040e39e7fc2bedb5d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ei-5c5986aeac644529)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test de::tests::deserialize_atom ... ok
[INFO] [stdout] test de::tests::deserialize_bytes ... ok
[INFO] [stdout] test de::tests::deserialize_i32 ... ok
[INFO] [stdout] test de::tests::deserialize_i8 ... ok
[INFO] [stdout] test de::tests::deserialize_pid ... ok
[INFO] [stdout] test de::tests::deserialize_map ... ok
[INFO] [stdout] test de::tests::deserialize_port ... ok
[INFO] [stdout] test de::tests::deserialize_ref ... ok
[INFO] [stdout] test de::tests::deserialize_newtype_struct ... ok
[INFO] [stdout] test de::tests::deserialize_u16 ... ok
[INFO] [stdout] test de::tests::deserialize_u32 ... ok
[INFO] [stdout] test de::tests::deserialize_u64 ... ok
[INFO] [stdout] test de::tests::deserialize_msg ... ok
[INFO] [stdout] test de::tests::deserialize_unit_struct ... ok
[INFO] [stdout] test de::tests::deserialize_seq ... ok
[INFO] [stdout] test de::tests::deserialize_u8 ... ok
[INFO] [stdout] test de::tests::deserialize_string ... ok
[INFO] [stdout] test de::tests::deserialize_trace ... ok
[INFO] [stdout] test ser::tests::serialize_bytes ... ok
[INFO] [stdout] test de::tests::deserialize_tuple ... ok
[INFO] [stdout] test ser::tests::serialize_f64 ... ok
[INFO] [stdout] test de::tests::deserialize_tuple_struct ... ok
[INFO] [stdout] test ser::tests::serialize_i16 ... ok
[INFO] [stdout] test ser::tests::serialize_i8 ... ok
[INFO] [stdout] test ser::tests::serialize_map ... ok
[INFO] [stdout] test ser::tests::serialize_i64 ... ok
[INFO] [stdout] test ser::tests::serialize_msg ... ok
[INFO] [stdout] test ser::tests::serialize_i32 ... ok
[INFO] [stdout] test ser::tests::serialize_newtype_struct ... ok
[INFO] [stdout] test ser::tests::serialize_ref ... ok
[INFO] [stdout] test ser::tests::serialize_pid ... ok
[INFO] [stdout] test ser::tests::serialize_port ... ok
[INFO] [stdout] test ser::tests::serialize_seq ... ok
[INFO] [stdout] test ser::tests::serialize_trace ... ok
[INFO] [stdout] test de::tests::deserialize_i16 ... ok
[INFO] [stdout] test ser::tests::serialize_struct ... ok
[INFO] [stdout] test ser::tests::serialize_u16 ... ok
[INFO] [stdout] test de::tests::deserialize_bool ... ok
[INFO] [stdout] test ser::tests::serialize_bool ... ok
[INFO] [stdout] test ser::tests::serialize_u32 ... ok
[INFO] [stdout] test de::tests::deserialize_f64 ... ok
[INFO] [stdout] test ser::tests::serialize_atom ... ok
[INFO] [stdout] test ser::tests::serialize_str ... ok
[INFO] [stdout] test ser::tests::serialize_u64 ... ok
[INFO] [stdout] test ser::tests::serialize_u8 ... ok
[INFO] [stdout] test ser::tests::serialize_unit_struct ... ok
[INFO] [stdout] test ser::tests::serialize_tuple ... ok
[INFO] [stdout] test ser::tests::serialize_tuple_struct ... ok
[INFO] [stdout] test de::tests::deserialize_struct ... ok
[INFO] [stdout] test de::tests::deserialize_i64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ei
[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" "5206e0f7bb1cc4f93e83d89bd12697a1c145a9ebbc0ce94040e39e7fc2bedb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5206e0f7bb1cc4f93e83d89bd12697a1c145a9ebbc0ce94040e39e7fc2bedb5d", kill_on_drop: false }`
[INFO] [stdout] 5206e0f7bb1cc4f93e83d89bd12697a1c145a9ebbc0ce94040e39e7fc2bedb5d