[INFO] fetching crate ad 0.1.0...
[INFO] testing ad-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ad 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ad 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b77d5ba509e403d642b777d08c9db062414e3388530f169b7c9d4e3382a943f6
[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" "b77d5ba509e403d642b777d08c9db062414e3388530f169b7c9d4e3382a943f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b77d5ba509e403d642b777d08c9db062414e3388530f169b7c9d4e3382a943f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77d5ba509e403d642b777d08c9db062414e3388530f169b7c9d4e3382a943f6", kill_on_drop: false }`
[INFO] [stdout] b77d5ba509e403d642b777d08c9db062414e3388530f169b7c9d4e3382a943f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe3d023ac9a3efb6ccdeff25b1df6a55c9fd7bf42ef85d921266f769d35cced
[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" "bfe3d023ac9a3efb6ccdeff25b1df6a55c9fd7bf42ef85d921266f769d35cced", kill_on_drop: false }`
[INFO] [stderr]    Compiling ad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "bfe3d023ac9a3efb6ccdeff25b1df6a55c9fd7bf42ef85d921266f769d35cced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe3d023ac9a3efb6ccdeff25b1df6a55c9fd7bf42ef85d921266f769d35cced", kill_on_drop: false }`
[INFO] [stdout] bfe3d023ac9a3efb6ccdeff25b1df6a55c9fd7bf42ef85d921266f769d35cced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51984c4038d31a4cca20224bca7d4f36ec0c9fc9b3b63f4ba81d1cc93cdfe2f0
[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" "51984c4038d31a4cca20224bca7d4f36ec0c9fc9b3b63f4ba81d1cc93cdfe2f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "51984c4038d31a4cca20224bca7d4f36ec0c9fc9b3b63f4ba81d1cc93cdfe2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51984c4038d31a4cca20224bca7d4f36ec0c9fc9b3b63f4ba81d1cc93cdfe2f0", kill_on_drop: false }`
[INFO] [stdout] 51984c4038d31a4cca20224bca7d4f36ec0c9fc9b3b63f4ba81d1cc93cdfe2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "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] 6f368b230bbe527b73f54e14b4d35e5aca3b5444ea9dee733bcbcaed79447a89
[INFO] running `Command { std: "docker" "start" "-a" "6f368b230bbe527b73f54e14b4d35e5aca3b5444ea9dee733bcbcaed79447a89", 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-5679b50f2eb29143)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test forward::tests::grad_1 ... ok
[INFO] [stdout] test forward::tests::grad_2 ... ok
[INFO] [stdout] test forward::tests::grad_with_const ... ok
[INFO] [stdout] test forward::tests::grad_multi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "6f368b230bbe527b73f54e14b4d35e5aca3b5444ea9dee733bcbcaed79447a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f368b230bbe527b73f54e14b4d35e5aca3b5444ea9dee733bcbcaed79447a89", kill_on_drop: false }`
[INFO] [stdout] 6f368b230bbe527b73f54e14b4d35e5aca3b5444ea9dee733bcbcaed79447a89