[INFO] fetching crate problem 5.3.0...
[INFO] testing problem-5.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate problem 5.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate problem 5.3.0 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 problem 5.3.0
[INFO] finished tweaking crates.io crate problem 5.3.0
[INFO] tweaked toml for crates.io crate problem 5.3.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 009744bd7aae65f0c05876d2e83a0251767d08b3d3f7ac64851b4aa45e2f045c
[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" "009744bd7aae65f0c05876d2e83a0251767d08b3d3f7ac64851b4aa45e2f045c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "009744bd7aae65f0c05876d2e83a0251767d08b3d3f7ac64851b4aa45e2f045c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009744bd7aae65f0c05876d2e83a0251767d08b3d3f7ac64851b4aa45e2f045c", kill_on_drop: false }`
[INFO] [stdout] 009744bd7aae65f0c05876d2e83a0251767d08b3d3f7ac64851b4aa45e2f045c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d8ed6a662c8438b1ce3636e5b3a0cc41e91434d4decef12a8290d55215e7e7e5
[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" "d8ed6a662c8438b1ce3636e5b3a0cc41e91434d4decef12a8290d55215e7e7e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling problem v5.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "d8ed6a662c8438b1ce3636e5b3a0cc41e91434d4decef12a8290d55215e7e7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ed6a662c8438b1ce3636e5b3a0cc41e91434d4decef12a8290d55215e7e7e5", kill_on_drop: false }`
[INFO] [stdout] d8ed6a662c8438b1ce3636e5b3a0cc41e91434d4decef12a8290d55215e7e7e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 24b558f65a17a620c0185581e3d7b7219084515736c2f980d8f8d6f2cb3d4755
[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" "24b558f65a17a620c0185581e3d7b7219084515736c2f980d8f8d6f2cb3d4755", kill_on_drop: false }`
[INFO] [stderr]    Compiling loggerv v0.7.2
[INFO] [stderr]    Compiling problem v5.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "24b558f65a17a620c0185581e3d7b7219084515736c2f980d8f8d6f2cb3d4755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b558f65a17a620c0185581e3d7b7219084515736c2f980d8f8d6f2cb3d4755", kill_on_drop: false }`
[INFO] [stdout] 24b558f65a17a620c0185581e3d7b7219084515736c2f980d8f8d6f2cb3d4755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9062a083e613c17f466cd198484b8e3797ed2449272f818c07a90f5462ba5ba0
[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" "9062a083e613c17f466cd198484b8e3797ed2449272f818c07a90f5462ba5ba0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 23 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/problem-0315e14df405ac05
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Baz error; caused by: Bar error; caused by: Foo error
[INFO] [stderr] problem::logged: Continuing with error: Baz error; caused by: Bar error; caused by: Foo error
[INFO] [stdout] test tests::test_problem_log_iter_error ... ok
[INFO] [stdout] test tests::test_problem_log_iter_warn ... ok
[INFO] [stdout] test tests::test_convertion ... ok
[INFO] [stdout] test tests::test_problem_backtrace ... ok
[INFO] [stdout] test tests::test_problem_log_warn ... ok
[INFO] [stdout] test tests::test_problem_log_error ... ok
[INFO] [stdout] test tests::test_integration ... ok
[INFO] [stdout] test tests::test_result_option_errors_unknown ... ok
[INFO] [stdout] test tests::test_in_context_of ... ok
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_integration_message ... ok
[INFO] [stdout] test tests::test_integration_cause_chain ... ok
[INFO] [stdout] test tests::test_option_errors ... ok
[INFO] [stdout] test tests::test_result_ok_or_problem ... ok
[INFO] [stdout] test tests::test_problem_macro ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_result_cause_chain ... ok
[INFO] [stdout] test tests::test_result_cause_chain_message ... ok
[INFO] [stdout] test tests::test_result_iter_or_failed_to ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_expect ... ok
[INFO] [stdout] test tests::test_panic_format_stderr ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_unwrap ... ok
[INFO] [stderr]    Doc-tests problem
[INFO] [stdout] test tests::test_panic_format_stderr_problem ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name problem -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="default"' --cfg 'feature="backtrace"' --cfg 'feature="log"' --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-90b405344db320c7.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern loggerv=/opt/rustwide/target/debug/deps/libloggerv-52714c713154a11b.rlib --extern problem=/opt/rustwide/target/debug/deps/libproblem-4fc6379bb7f21272.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9062a083e613c17f466cd198484b8e3797ed2449272f818c07a90f5462ba5ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9062a083e613c17f466cd198484b8e3797ed2449272f818c07a90f5462ba5ba0", kill_on_drop: false }`
[INFO] [stdout] 9062a083e613c17f466cd198484b8e3797ed2449272f818c07a90f5462ba5ba0