[INFO] fetching crate problem 5.3.0...
[INFO] testing problem-5.3.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate problem 5.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate problem 5.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52f082f46958565b35c3ca4862191977af7291349b93e422b22383a910de43cd
[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" "52f082f46958565b35c3ca4862191977af7291349b93e422b22383a910de43cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f082f46958565b35c3ca4862191977af7291349b93e422b22383a910de43cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f082f46958565b35c3ca4862191977af7291349b93e422b22383a910de43cd", kill_on_drop: false }`
[INFO] [stdout] 52f082f46958565b35c3ca4862191977af7291349b93e422b22383a910de43cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eaa51e718809e4fbfc787dd45a2308b74b51360c4d595cde3753b5745c31d5d
[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" "3eaa51e718809e4fbfc787dd45a2308b74b51360c4d595cde3753b5745c31d5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling problem v5.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.81s
[INFO] running `Command { std: "docker" "inspect" "3eaa51e718809e4fbfc787dd45a2308b74b51360c4d595cde3753b5745c31d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eaa51e718809e4fbfc787dd45a2308b74b51360c4d595cde3753b5745c31d5d", kill_on_drop: false }`
[INFO] [stdout] 3eaa51e718809e4fbfc787dd45a2308b74b51360c4d595cde3753b5745c31d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 5ffa43c73feedb80a3fee3e285c0cba05089997a291d0083f357b9cddc29300e
[INFO] running `Command { std: "docker" "start" "-a" "5ffa43c73feedb80a3fee3e285c0cba05089997a291d0083f357b9cddc29300e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[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 3.36s
[INFO] running `Command { std: "docker" "inspect" "5ffa43c73feedb80a3fee3e285c0cba05089997a291d0083f357b9cddc29300e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ffa43c73feedb80a3fee3e285c0cba05089997a291d0083f357b9cddc29300e", kill_on_drop: false }`
[INFO] [stdout] 5ffa43c73feedb80a3fee3e285c0cba05089997a291d0083f357b9cddc29300e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea85af9f84962281efc819752befc9956a38d0946e70cab0bb202babd9cfc674
[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" "ea85af9f84962281efc819752befc9956a38d0946e70cab0bb202babd9cfc674", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/problem-185fbcb023aeacc5
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[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] [stdout] test tests::test_problem_log_error ... ok
[INFO] [stderr] problem::logged: Continuing with error: Foo error
[INFO] [stdout] test tests::test_problem_log_iter_error ... ok
[INFO] [stdout] test tests::test_convertion ... ok
[INFO] [stderr] problem::logged: Continuing with error: Baz error; caused by: Bar error; caused by: Foo error
[INFO] [stdout] test tests::test_problem_backtrace ... ok
[INFO] [stdout] test tests::test_problem_log_warn ... ok
[INFO] [stdout] test tests::test_problem_log_iter_warn ... ok
[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] [stdout] test tests::test_integration ... ok
[INFO] [stdout] test tests::test_integration_cause_chain ... ok
[INFO] [stdout] test tests::test_integration_message ... ok
[INFO] [stdout] test tests::test_problem_macro ... ok
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_option_errors ... ok
[INFO] [stdout] test tests::test_in_context_of ... 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_ok_or_problem ... ok
[INFO] [stdout] test tests::test_result_option_errors_unknown ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_problem ... ok
[INFO] [stdout] test tests::test_result_iter_or_failed_to ... ok
[INFO] [stdout] test tests::test_panic_format_stderr ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_unwrap ... ok
[INFO] [stdout] test tests::test_panic_format_stderr_expect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests problem
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - (line 203) ... ok
[INFO] [stdout] test src/lib.rs - (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 175) ... ok
[INFO] [stdout] test src/lib.rs - (line 122) ... ok
[INFO] [stdout] test src/lib.rs - (line 165) ... ok
[INFO] [stdout] test src/lib.rs - (line 189) ... ok
[INFO] [stdout] test src/lib.rs - (line 252) ... ok
[INFO] [stdout] test src/lib.rs - (line 218) ... ok
[INFO] [stdout] test src/lib.rs - (line 296) ... ok
[INFO] [stdout] test src/lib.rs - (line 280) ... ok
[INFO] [stdout] test src/lib.rs - (line 135) ... ok
[INFO] [stdout] test src/lib.rs - (line 147) ... ok
[INFO] [stdout] test src/lib.rs - (line 265) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - (line 425) ... ok
[INFO] [stdout] test src/lib.rs - (line 316) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea85af9f84962281efc819752befc9956a38d0946e70cab0bb202babd9cfc674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea85af9f84962281efc819752befc9956a38d0946e70cab0bb202babd9cfc674", kill_on_drop: false }`
[INFO] [stdout] ea85af9f84962281efc819752befc9956a38d0946e70cab0bb202babd9cfc674