[INFO] fetching crate fwd_ad 0.2.0...
[INFO] testing fwd_ad-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fwd_ad 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fwd_ad 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fwd_ad 0.2.0
[INFO] finished tweaking crates.io crate fwd_ad 0.2.0
[INFO] tweaked toml for crates.io crate fwd_ad 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fwd_ad 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded plotters v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "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] 2ac72be6b17516b158a53a2e50159f852bb787e06379c812fb471808557ad13d
[INFO] running `Command { std: "docker" "start" "-a" "2ac72be6b17516b158a53a2e50159f852bb787e06379c812fb471808557ad13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac72be6b17516b158a53a2e50159f852bb787e06379c812fb471808557ad13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac72be6b17516b158a53a2e50159f852bb787e06379c812fb471808557ad13d", kill_on_drop: false }`
[INFO] [stdout] 2ac72be6b17516b158a53a2e50159f852bb787e06379c812fb471808557ad13d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 334753e0da704e139f50b8a4692829927f5541c244b3808adeb4f9c4337c4c9d
[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" "334753e0da704e139f50b8a4692829927f5541c244b3808adeb4f9c4337c4c9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwd_ad v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "334753e0da704e139f50b8a4692829927f5541c244b3808adeb4f9c4337c4c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334753e0da704e139f50b8a4692829927f5541c244b3808adeb4f9c4337c4c9d", kill_on_drop: false }`
[INFO] [stdout] 334753e0da704e139f50b8a4692829927f5541c244b3808adeb4f9c4337c4c9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 631bec7b980ed105d475148b704036d25f5e94f4e5a4ce796d15f3df5fc64760
[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" "631bec7b980ed105d475148b704036d25f5e94f4e5a4ce796d15f3df5fc64760", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwd_ad v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "631bec7b980ed105d475148b704036d25f5e94f4e5a4ce796d15f3df5fc64760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631bec7b980ed105d475148b704036d25f5e94f4e5a4ce796d15f3df5fc64760", kill_on_drop: false }`
[INFO] [stdout] 631bec7b980ed105d475148b704036d25f5e94f4e5a4ce796d15f3df5fc64760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "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] d9482e72ea643440740e8a818313c037fc7cc09722b6efacf8495b020fdd1bc4
[INFO] running `Command { std: "docker" "start" "-a" "d9482e72ea643440740e8a818313c037fc7cc09722b6efacf8495b020fdd1bc4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fwd_ad-c8f2eac8a911690d
[INFO] [stdout] test impl_ops_dual::tests::test_diff_div ... ok
[INFO] [stdout] test impl_ops_dual::tests::test_diff_div_inv ... ok
[INFO] [stdout] test impl_ops_dual::tests::test_diff_add_mul ... ok
[INFO] [stdout] test impl_ops_dual::tests::test_diff_subneg ... ok
[INFO] [stdout] test impl_ops_scalar_rhs::tests::test_diff_subneg2 ... ok
[INFO] [stdout] test impl_ops_scalar_rhs::tests::test_scalar_rhs_add_mul ... ok
[INFO] [stdout] test impl_ops_scalar_rhs::tests::test_diff_subneg ... ok
[INFO] [stdout] test impl_ops_scalar_rhs::tests::test_scalar_rhs_div ... ok
[INFO] [stdout] test tests::test_constant ... ok
[INFO] [stdout] test tests::test_neg ... ok
[INFO] [stdout] test tests::test_size ... ok
[INFO] [stdout] test tests::test_ln_exp ... ok
[INFO] [stdout] test impl_ops_dual::tests::test_powd ... ok
[INFO] [stdout] test impl_ops_dual::tests::test_powf ... ok
[INFO] [stdout] test impl_ops_dual::tests::test_diff_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fwd_ad
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::ndiffs (line 174) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::into_container (line 222) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::val (line 152) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::is_close (line 185) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::view (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, RW, F>::diffs_mut (line 264) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, RW, F>::val_mut (line 252) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::as_slice (line 140) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, RW, F>::as_slice_mut (line 240) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::diffs (line 163) ... ok
[INFO] [stdout] test src/generate_duals.rs - generate_duals (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9482e72ea643440740e8a818313c037fc7cc09722b6efacf8495b020fdd1bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9482e72ea643440740e8a818313c037fc7cc09722b6efacf8495b020fdd1bc4", kill_on_drop: false }`
[INFO] [stdout] d9482e72ea643440740e8a818313c037fc7cc09722b6efacf8495b020fdd1bc4