[INFO] fetching crate ntest 0.7.2...
[INFO] testing ntest-0.7.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ntest 0.7.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ntest 0.7.2 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 ntest 0.7.2
[INFO] finished tweaking crates.io crate ntest 0.7.2
[INFO] tweaked toml for crates.io crate ntest 0.7.2 written to /workspace/builds/worker-6/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-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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 00ec6f11c870c3b79276d9da0772b7a0a5df54aa2378cab13dd1adb51bc70d5f
[INFO] running `Command { std: "docker" "start" "-a" "00ec6f11c870c3b79276d9da0772b7a0a5df54aa2378cab13dd1adb51bc70d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00ec6f11c870c3b79276d9da0772b7a0a5df54aa2378cab13dd1adb51bc70d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ec6f11c870c3b79276d9da0772b7a0a5df54aa2378cab13dd1adb51bc70d5f", kill_on_drop: false }`
[INFO] [stdout] 00ec6f11c870c3b79276d9da0772b7a0a5df54aa2378cab13dd1adb51bc70d5f
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4950a47ec1ef7bb32a77ddffa714696d1b95a3ec1a1f435e7ca5a854507f9dca
[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" "4950a47ec1ef7bb32a77ddffa714696d1b95a3ec1a1f435e7ca5a854507f9dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ntest_test_cases v0.7.2
[INFO] [stderr]    Compiling ntest_timeout v0.7.2
[INFO] [stderr]    Compiling ntest v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.32s
[INFO] running `Command { std: "docker" "inspect" "4950a47ec1ef7bb32a77ddffa714696d1b95a3ec1a1f435e7ca5a854507f9dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4950a47ec1ef7bb32a77ddffa714696d1b95a3ec1a1f435e7ca5a854507f9dca", kill_on_drop: false }`
[INFO] [stdout] 4950a47ec1ef7bb32a77ddffa714696d1b95a3ec1a1f435e7ca5a854507f9dca
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c24b93e225e77ece398aba97f82af27ccac65bb1b1f2bd80ce29734c4e7257
[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" "d6c24b93e225e77ece398aba97f82af27ccac65bb1b1f2bd80ce29734c4e7257", kill_on_drop: false }`
[INFO] [stderr]    Compiling ntest v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "d6c24b93e225e77ece398aba97f82af27ccac65bb1b1f2bd80ce29734c4e7257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c24b93e225e77ece398aba97f82af27ccac65bb1b1f2bd80ce29734c4e7257", kill_on_drop: false }`
[INFO] [stdout] d6c24b93e225e77ece398aba97f82af27ccac65bb1b1f2bd80ce29734c4e7257
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 033e300e0b306da1a75bd1813b51427dd0973feeda6e7319675188c41dfbf8e1
[INFO] running `Command { std: "docker" "start" "-a" "033e300e0b306da1a75bd1813b51427dd0973feeda6e7319675188c41dfbf8e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ntest-dd3a2b252b0a9b56
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::about_equal_f32 ... ok
[INFO] [stdout] test tests::about_equal_f64 ... ok
[INFO] [stdout] test tests::assert_false ... ok
[INFO] [stdout] test tests::assert_false_trailing_comma ... ok
[INFO] [stdout] test tests::compare_with_epsilon ... ok
[INFO] [stdout] test tests::it_should_not_panic_if_values_are_approx_equal ... ok
[INFO] [stdout] test tests::assert_true ... ok
[INFO] [stdout] test tests::assert_true_trailing_comma ... ok
[INFO] [stdout] test tests::vector_trailing_comma_with_epsilon ... ok
[INFO] [stdout] test tests::vector_trailing_comma ... ok
[INFO] [stdout] test tests::vector ... ok
[INFO] [stdout] test tests::assert_panics ... ok
[INFO] [stdout] test tests::fail_with_epsilon ... ok
[INFO] [stdout] test tests::assert_false_fails ... ok
[INFO] [stdout] test tests::assert_true_fails ... ok
[INFO] [stdout] test tests::assert_panics_fails ... ok
[INFO] [stdout] test tests::assert_panics_trailing_comma ... ok
[INFO] [stdout] test tests::vector_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-c6a5ea6647d6af59
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test timeout_with_result ... ok
[INFO] [stdout] test test_function_10 ... ok
[INFO] [stdout] test no_timeout ... ok
[INFO] [stdout] test timeout_inf_loop ... ok
[INFO] [stdout] test timeout ... ok
[INFO] [stdout] test test_function_200 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ntest
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - assert_about_eq (line 85) ... ok
[INFO] [stdout] test src/lib.rs - assert_about_eq (line 76) ... ok
[INFO] [stdout] test src/lib.rs - assert_about_eq (line 67) ... ok
[INFO] [stdout] test src/lib.rs - assert_panics (line 194) ... ok
[INFO] [stdout] test src/lib.rs - assert_about_eq (line 58) ... ok
[INFO] [stdout] test src/traits.rs - traits::MaxDifference (line 22) ... ok
[INFO] [stdout] test src/traits.rs - traits::MaxDifference (line 15) ... ok
[INFO] [stdout] test src/lib.rs - assert_true (line 121) ... ok
[INFO] [stdout] test src/lib.rs - assert_panics (line 185) ... ok
[INFO] [stdout] test src/lib.rs - assert_false (line 151) ... ok
[INFO] [stdout] test src/lib.rs - assert_false (line 159) ... ok
[INFO] [stdout] test src/lib.rs - assert_true (line 130) ... ok
[INFO] [stdout] test src/traits.rs - traits::MaxDifference (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "033e300e0b306da1a75bd1813b51427dd0973feeda6e7319675188c41dfbf8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033e300e0b306da1a75bd1813b51427dd0973feeda6e7319675188c41dfbf8e1", kill_on_drop: false }`
[INFO] [stdout] 033e300e0b306da1a75bd1813b51427dd0973feeda6e7319675188c41dfbf8e1