[INFO] fetching crate custom_error 1.8.0...
[INFO] testing custom_error-1.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate custom_error 1.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate custom_error 1.8.0 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 custom_error 1.8.0
[INFO] finished tweaking crates.io crate custom_error 1.8.0
[INFO] tweaked toml for crates.io crate custom_error 1.8.0 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f86c7722045a1f8dcb58afccec62384574bb31c1b676b3cee5bd9cbc91241381
[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" "f86c7722045a1f8dcb58afccec62384574bb31c1b676b3cee5bd9cbc91241381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86c7722045a1f8dcb58afccec62384574bb31c1b676b3cee5bd9cbc91241381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86c7722045a1f8dcb58afccec62384574bb31c1b676b3cee5bd9cbc91241381", kill_on_drop: false }`
[INFO] [stdout] f86c7722045a1f8dcb58afccec62384574bb31c1b676b3cee5bd9cbc91241381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] dfa4849f39d56adc77c5e0e5ee5f61e87e65d927a25f0702e9ad0ff0ba0cf615
[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" "dfa4849f39d56adc77c5e0e5ee5f61e87e65d927a25f0702e9ad0ff0ba0cf615", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_error v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "dfa4849f39d56adc77c5e0e5ee5f61e87e65d927a25f0702e9ad0ff0ba0cf615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa4849f39d56adc77c5e0e5ee5f61e87e65d927a25f0702e9ad0ff0ba0cf615", kill_on_drop: false }`
[INFO] [stdout] dfa4849f39d56adc77c5e0e5ee5f61e87e65d927a25f0702e9ad0ff0ba0cf615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 92b84867fab4684be8df21089a5eba4da2d180899219936273cf0a7d608c8235
[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" "92b84867fab4684be8df21089a5eba4da2d180899219936273cf0a7d608c8235", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_error v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "92b84867fab4684be8df21089a5eba4da2d180899219936273cf0a7d608c8235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b84867fab4684be8df21089a5eba4da2d180899219936273cf0a7d608c8235", kill_on_drop: false }`
[INFO] [stdout] 92b84867fab4684be8df21089a5eba4da2d180899219936273cf0a7d608c8235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e0535d86fd19f32ba01d6a9541dafb853474bacf0c724b94311b4027edeb7749
[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" "e0535d86fd19f32ba01d6a9541dafb853474bacf0c724b94311b4027edeb7749", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/custom_error-37f25161e06e46e8
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test tests::custom_format_source ... ok
[INFO] [stdout] test tests::enum_with_derive ... ok
[INFO] [stdout] test tests::enum_with_box_dyn_source ... ok
[INFO] [stdout] test tests::single_error_struct_case ... ok
[INFO] [stdout] test tests::single_error_struct_case_with_braces ... ok
[INFO] [stdout] test tests::single_error_case_with_braces ... ok
[INFO] [stdout] test tests::pub_error_struct ... ok
[INFO] [stdout] test tests::source ... ok
[INFO] [stdout] test tests::single_error_case ... ok
[INFO] [stdout] test tests::pub_error_struct_fields ... ok
[INFO] [stdout] test tests::lifetime_param_and_type_param ... ok
[INFO] [stdout] test tests::struct_source ... ok
[INFO] [stdout] test tests::struct_with_box_dyn_source ... ok
[INFO] [stdout] test tests::generic_error_struct ... ok
[INFO] [stdout] test tests::struct_lifetime_source_param ... ok
[INFO] [stdout] test tests::struct_from_source ... ok
[INFO] [stdout] test tests::struct_lifetime_param_and_type_param ... ok
[INFO] [stdout] test tests::struct_custom_format_source ... ok
[INFO] [stdout] test tests::struct_with_custom_formatting ... ok
[INFO] [stdout] test tests::struct_with_error_data ... ok
[INFO] [stdout] test tests::struct_with_field_lifetime ... ok
[INFO] [stdout] test tests::struct_with_field_documentation ... ok
[INFO] [stdout] test tests::struct_with_public_field ... ok
[INFO] [stdout] test tests::struct_with_derive ... ok
[INFO] [stdout] test tests::struct_with_source_and_others ... ok
[INFO] [stdout] test tests::three_error_cases ... ok
[INFO] [stdout] test tests::trailing_comma ... ok
[INFO] [stdout] test tests::with_custom_formatting ... ok
[INFO] [stdout] test tests::with_doc_comments_for_fields ... ok
[INFO] [stdout] test tests::struct_with_multiple_error_data ... ok
[INFO] [stdout] test tests::with_doc_comments_for_variants ... ok
[INFO] [stdout] test tests::with_error_data ... ok
[INFO] [stdout] test tests::with_multiple_error_data ... ok
[INFO] [stdout] test tests::with_source_and_others ... ok
[INFO] [stdout] test tests::generic_error ... ok
[INFO] [stdout] test tests::from_source ... ok
[INFO] [stdout] test tests::enum_with_pub_derive_and_doc_comment ... ok
[INFO] [stdout] test tests::pub_error ... ok
[INFO] [stdout] test tests::enum_with_field_lifetime ... ok
[INFO] [stdout] test tests::lifetime_source_param ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-4a40bae2f4177abc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests custom_error
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - custom_error (line 102) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 20) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 138) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 28) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 8) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 116) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0535d86fd19f32ba01d6a9541dafb853474bacf0c724b94311b4027edeb7749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0535d86fd19f32ba01d6a9541dafb853474bacf0c724b94311b4027edeb7749", kill_on_drop: false }`
[INFO] [stdout] e0535d86fd19f32ba01d6a9541dafb853474bacf0c724b94311b4027edeb7749