[INFO] fetching crate zookeeper_derive 0.4.1...
[INFO] testing zookeeper_derive-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zookeeper_derive 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zookeeper_derive 0.4.1 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 zookeeper_derive 0.4.1
[INFO] finished tweaking crates.io crate zookeeper_derive 0.4.1
[INFO] tweaked toml for crates.io crate zookeeper_derive 0.4.1 written to /workspace/builds/worker-2/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f117283efa55379d45b81ea8de5cea46264448ef8b6aa4a0cb956d91530f9c9
[INFO] running `Command { std: "docker" "start" "-a" "4f117283efa55379d45b81ea8de5cea46264448ef8b6aa4a0cb956d91530f9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f117283efa55379d45b81ea8de5cea46264448ef8b6aa4a0cb956d91530f9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f117283efa55379d45b81ea8de5cea46264448ef8b6aa4a0cb956d91530f9c9", kill_on_drop: false }`
[INFO] [stdout] 4f117283efa55379d45b81ea8de5cea46264448ef8b6aa4a0cb956d91530f9c9
[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" "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] 662e4790990a0a7a2b4ae9d13fc2192bc0ad8b0350e04ffdb9a6b6148eefb97c
[INFO] running `Command { std: "docker" "start" "-a" "662e4790990a0a7a2b4ae9d13fc2192bc0ad8b0350e04ffdb9a6b6148eefb97c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.83s
[INFO] running `Command { std: "docker" "inspect" "662e4790990a0a7a2b4ae9d13fc2192bc0ad8b0350e04ffdb9a6b6148eefb97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662e4790990a0a7a2b4ae9d13fc2192bc0ad8b0350e04ffdb9a6b6148eefb97c", kill_on_drop: false }`
[INFO] [stdout] 662e4790990a0a7a2b4ae9d13fc2192bc0ad8b0350e04ffdb9a6b6148eefb97c
[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" "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] 3d816e115d3fcd5a9513187d70f088e291e7b8e48b1496937f44f182e947d2cc
[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" "3d816e115d3fcd5a9513187d70f088e291e7b8e48b1496937f44f182e947d2cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> tests/basic.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     assert_eq!("A", BasicError::A.description());
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> tests/basic.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_eq!("B", BasicError::B.description());
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> tests/basic.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_eq!("C", BasicError::C.description());
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "3d816e115d3fcd5a9513187d70f088e291e7b8e48b1496937f44f182e947d2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d816e115d3fcd5a9513187d70f088e291e7b8e48b1496937f44f182e947d2cc", kill_on_drop: false }`
[INFO] [stdout] 3d816e115d3fcd5a9513187d70f088e291e7b8e48b1496937f44f182e947d2cc
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cfa8de28e038f4eff8c5a2c8cc73a25e239f00b3d3d808f4fdf45834973c695
[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" "0cfa8de28e038f4eff8c5a2c8cc73a25e239f00b3d3d808f4fdf45834973c695", 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]   --> tests/basic.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     assert_eq!("A", BasicError::A.description());
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> tests/basic.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |     assert_eq!("B", BasicError::B.description());
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> tests/basic.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     assert_eq!("C", BasicError::C.description());
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zookeeper_derive-9c2a17be53dcf682
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-50de32b8d89bdbcf
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests zookeeper_derive
[INFO] [stdout] test display ... ok
[INFO] [stdout] test from ... ok
[INFO] [stdout] test description ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cfa8de28e038f4eff8c5a2c8cc73a25e239f00b3d3d808f4fdf45834973c695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfa8de28e038f4eff8c5a2c8cc73a25e239f00b3d3d808f4fdf45834973c695", kill_on_drop: false }`
[INFO] [stdout] 0cfa8de28e038f4eff8c5a2c8cc73a25e239f00b3d3d808f4fdf45834973c695