[INFO] fetching crate ad 0.1.0...
[INFO] testing ad-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ad 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ad 0.1.0 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 ad 0.1.0
[INFO] finished tweaking crates.io crate ad 0.1.0
[INFO] tweaked toml for crates.io crate ad 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7a5971d1889c7c25727cc094d0a449109f4542f0bfe4c724efb0aff5c5047270
[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" "7a5971d1889c7c25727cc094d0a449109f4542f0bfe4c724efb0aff5c5047270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a5971d1889c7c25727cc094d0a449109f4542f0bfe4c724efb0aff5c5047270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5971d1889c7c25727cc094d0a449109f4542f0bfe4c724efb0aff5c5047270", kill_on_drop: false }`
[INFO] [stdout] 7a5971d1889c7c25727cc094d0a449109f4542f0bfe4c724efb0aff5c5047270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0f9c45b0b75a73d0f9402ddebac6d0f8e36c295e29aba2b9f4fe1c8019715d58
[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" "0f9c45b0b75a73d0f9402ddebac6d0f8e36c295e29aba2b9f4fe1c8019715d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling ad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "0f9c45b0b75a73d0f9402ddebac6d0f8e36c295e29aba2b9f4fe1c8019715d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9c45b0b75a73d0f9402ddebac6d0f8e36c295e29aba2b9f4fe1c8019715d58", kill_on_drop: false }`
[INFO] [stdout] 0f9c45b0b75a73d0f9402ddebac6d0f8e36c295e29aba2b9f4fe1c8019715d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10e690e9e29c0e5dceba05c206ee2be6891dc3f3ff4b0b270b53f0dd14cc25de
[INFO] running `Command { std: "docker" "start" "-a" "10e690e9e29c0e5dceba05c206ee2be6891dc3f3ff4b0b270b53f0dd14cc25de", kill_on_drop: false }`
[INFO] [stderr]    Compiling ad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "10e690e9e29c0e5dceba05c206ee2be6891dc3f3ff4b0b270b53f0dd14cc25de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e690e9e29c0e5dceba05c206ee2be6891dc3f3ff4b0b270b53f0dd14cc25de", kill_on_drop: false }`
[INFO] [stdout] 10e690e9e29c0e5dceba05c206ee2be6891dc3f3ff4b0b270b53f0dd14cc25de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 93a9873f8071054dfe1c94b72d7af4d989a74478d157fa6a4fae610835ab9313
[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" "93a9873f8071054dfe1c94b72d7af4d989a74478d157fa6a4fae610835ab9313", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ad-970f3ad56f9a766e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test forward::tests::grad_1 ... ok
[INFO] [stdout] test forward::tests::grad_with_const ... ok
[INFO] [stdout] test forward::tests::grad_multi ... ok
[INFO] [stdout] test forward::tests::grad_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ad
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93a9873f8071054dfe1c94b72d7af4d989a74478d157fa6a4fae610835ab9313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a9873f8071054dfe1c94b72d7af4d989a74478d157fa6a4fae610835ab9313", kill_on_drop: false }`
[INFO] [stdout] 93a9873f8071054dfe1c94b72d7af4d989a74478d157fa6a4fae610835ab9313