[INFO] fetching crate descent 0.4.0...
[INFO] testing descent-0.4.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate descent 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate descent 0.4.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate descent 0.4.0
[INFO] finished tweaking crates.io crate descent 0.4.0
[INFO] tweaked toml for crates.io crate descent 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3851a7fe40eeff99b7c83b9c8d5758fed16a742cc2dce8ac41857b2b5cae541
[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" "c3851a7fe40eeff99b7c83b9c8d5758fed16a742cc2dce8ac41857b2b5cae541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3851a7fe40eeff99b7c83b9c8d5758fed16a742cc2dce8ac41857b2b5cae541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3851a7fe40eeff99b7c83b9c8d5758fed16a742cc2dce8ac41857b2b5cae541", kill_on_drop: false }`
[INFO] [stdout] c3851a7fe40eeff99b7c83b9c8d5758fed16a742cc2dce8ac41857b2b5cae541
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] ea8bc6023d7203c08e57f552c206054c6c56beeeeb4f540ca4fa576a31e5fdf2
[INFO] running `Command { std: "docker" "start" "-a" "ea8bc6023d7203c08e57f552c206054c6c56beeeeb4f540ca4fa576a31e5fdf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling snafu-derive v0.6.9
[INFO] [stderr]    Compiling snafu v0.6.9
[INFO] [stderr]    Compiling descent v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.76s
[INFO] running `Command { std: "docker" "inspect" "ea8bc6023d7203c08e57f552c206054c6c56beeeeb4f540ca4fa576a31e5fdf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8bc6023d7203c08e57f552c206054c6c56beeeeb4f540ca4fa576a31e5fdf2", kill_on_drop: false }`
[INFO] [stdout] ea8bc6023d7203c08e57f552c206054c6c56beeeeb4f540ca4fa576a31e5fdf2
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 786633b52be522e0d3ce7719689b757f453026552d7f8c5029b950b4b497102f
[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" "786633b52be522e0d3ce7719689b757f453026552d7f8c5029b950b4b497102f", kill_on_drop: false }`
[INFO] [stderr]    Compiling descent v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "786633b52be522e0d3ce7719689b757f453026552d7f8c5029b950b4b497102f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786633b52be522e0d3ce7719689b757f453026552d7f8c5029b950b4b497102f", kill_on_drop: false }`
[INFO] [stdout] 786633b52be522e0d3ce7719689b757f453026552d7f8c5029b950b4b497102f
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] dc4a96f52e309e4838129b2ed9e7df407fa1ecbb43f61bf7d035b39d5c1bfb62
[INFO] running `Command { std: "docker" "start" "-a" "dc4a96f52e309e4838129b2ed9e7df407fa1ecbb43f61bf7d035b39d5c1bfb62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/descent-9d7fa1a1c96671ce
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test expr::dynam::tests::degree ... ok
[INFO] [stdout] test expr::dynam::tests::sum_sub ... ok
[INFO] [stdout] test expr::dynam::tests::sum ... ok
[INFO] [stdout] test expr::dynam::tests::variety ... ok
[INFO] [stdout] test expr::dynam::tests::operations ... ok
[INFO] [stdout] test expr::dynam::tests::cos ... ok
[INFO] [stdout] test expr::dynam::tests::separation ... ok
[INFO] [stdout] test expr::dynam::tests::reverse ... ok
[INFO] [stdout] test expr::dynam::tests::sin ... ok
[INFO] [stdout] test expr::dynam::tests::forward_reverse ... ok
[INFO] [stdout] test expr::dynam::tests::auto_const ... ok
[INFO] [stdout] test expr::dynam::tests::auto_dynam ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests descent
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/expr/fixed.rs - expr::fixed (line 27) ... ignored
[INFO] [stdout] test src/expr/fixed.rs - expr::fixed (line 40) ... ignored
[INFO] [stdout] test src/expr/dynam.rs - expr::dynam::Expr (line 212) ... ok
[INFO] [stdout] test src/expr/dynam.rs - expr::dynam::Expr (line 224) ... ok
[INFO] [stdout] test src/expr/dynam.rs - expr::dynam (line 22) ... ok
[INFO] [stdout] test src/expr/dynam.rs - expr::dynam::ExprDynSum (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc4a96f52e309e4838129b2ed9e7df407fa1ecbb43f61bf7d035b39d5c1bfb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4a96f52e309e4838129b2ed9e7df407fa1ecbb43f61bf7d035b39d5c1bfb62", kill_on_drop: false }`
[INFO] [stdout] dc4a96f52e309e4838129b2ed9e7df407fa1ecbb43f61bf7d035b39d5c1bfb62