[INFO] fetching crate fwd_ad 0.2.0...
[INFO] testing fwd_ad-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fwd_ad 0.2.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate fwd_ad 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-81/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b8cd46820a16fd265c9e53042a75ae50cc33f38d25414656bdf3b15506a8e2
[INFO] running `Command { std: "docker" "start" "-a" "44b8cd46820a16fd265c9e53042a75ae50cc33f38d25414656bdf3b15506a8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b8cd46820a16fd265c9e53042a75ae50cc33f38d25414656bdf3b15506a8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b8cd46820a16fd265c9e53042a75ae50cc33f38d25414656bdf3b15506a8e2", kill_on_drop: false }`
[INFO] [stdout] 44b8cd46820a16fd265c9e53042a75ae50cc33f38d25414656bdf3b15506a8e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc4e10b6714fbd11762c87ccf51b7ba9d23650eb1279eda52c6f8a3f99bae6a7
[INFO] running `Command { std: "docker" "start" "-a" "bc4e10b6714fbd11762c87ccf51b7ba9d23650eb1279eda52c6f8a3f99bae6a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling fwd_ad v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.63s
[INFO] running `Command { std: "docker" "inspect" "bc4e10b6714fbd11762c87ccf51b7ba9d23650eb1279eda52c6f8a3f99bae6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4e10b6714fbd11762c87ccf51b7ba9d23650eb1279eda52c6f8a3f99bae6a7", kill_on_drop: false }`
[INFO] [stdout] bc4e10b6714fbd11762c87ccf51b7ba9d23650eb1279eda52c6f8a3f99bae6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64b04cd57f9cafd1f7a8dadd589b205d47c398c20d128338901cdf074328e93e
[INFO] running `Command { std: "docker" "start" "-a" "64b04cd57f9cafd1f7a8dadd589b205d47c398c20d128338901cdf074328e93e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fwd_ad v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "64b04cd57f9cafd1f7a8dadd589b205d47c398c20d128338901cdf074328e93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b04cd57f9cafd1f7a8dadd589b205d47c398c20d128338901cdf074328e93e", kill_on_drop: false }`
[INFO] [stdout] 64b04cd57f9cafd1f7a8dadd589b205d47c398c20d128338901cdf074328e93e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbd824211b795a9d6c9fc9ec2d24aa7577c7b552a4d8d92402384a461708c6a2
[INFO] running `Command { std: "docker" "start" "-a" "dbd824211b795a9d6c9fc9ec2d24aa7577c7b552a4d8d92402384a461708c6a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fwd_ad-d7d89c8a4690ccf8)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test impl_ops_dual::tests::test_diff_add_mul ... ok
[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_subneg ... 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 - should panic ... ok
[INFO] [stdout] test impl_ops_scalar_rhs::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_scalar_rhs_div ... ok
[INFO] [stdout] test tests::test_constant ... ok
[INFO] [stdout] test tests::test_ln_exp ... ok
[INFO] [stdout] test tests::test_neg ... ok
[INFO] [stdout] test tests::test_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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>::is_close (line 185) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::val (line 152) ... 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>::diffs (line 163) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::as_slice (line 140) ... 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>::as_slice_mut (line 240) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, M, F>::into_container (line 222) ... ok
[INFO] [stdout] test src/lib.rs - Dual<T, RW, F>::diffs_mut (line 264) ... 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 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbd824211b795a9d6c9fc9ec2d24aa7577c7b552a4d8d92402384a461708c6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd824211b795a9d6c9fc9ec2d24aa7577c7b552a4d8d92402384a461708c6a2", kill_on_drop: false }`
[INFO] [stdout] dbd824211b795a9d6c9fc9ec2d24aa7577c7b552a4d8d92402384a461708c6a2