[INFO] crate descent 0.4.0 is already in cache
[INFO] testing descent-0.4.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate descent 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate descent 0.4.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 7689cd425342d05f85ca5d18c65ad6ea993d44e3dd92a7dfdc1699898bf6953d
[INFO] running `Command { std: "docker" "start" "-a" "7689cd425342d05f85ca5d18c65ad6ea993d44e3dd92a7dfdc1699898bf6953d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7689cd425342d05f85ca5d18c65ad6ea993d44e3dd92a7dfdc1699898bf6953d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7689cd425342d05f85ca5d18c65ad6ea993d44e3dd92a7dfdc1699898bf6953d", kill_on_drop: false }`
[INFO] [stdout] 7689cd425342d05f85ca5d18c65ad6ea993d44e3dd92a7dfdc1699898bf6953d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 177fc07422c3876738f51d7759b86fe8bf4168d4cbe79c818d5a2c4866081dde
[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" "177fc07422c3876738f51d7759b86fe8bf4168d4cbe79c818d5a2c4866081dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling snafu v0.6.8
[INFO] [stderr]    Compiling descent v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "177fc07422c3876738f51d7759b86fe8bf4168d4cbe79c818d5a2c4866081dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177fc07422c3876738f51d7759b86fe8bf4168d4cbe79c818d5a2c4866081dde", kill_on_drop: false }`
[INFO] [stdout] 177fc07422c3876738f51d7759b86fe8bf4168d4cbe79c818d5a2c4866081dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cbdd79df7f2c0d77b0791526969c84cf3ff5b99b3c85b353cf40e5b396f9895
[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" "0cbdd79df7f2c0d77b0791526969c84cf3ff5b99b3c85b353cf40e5b396f9895", kill_on_drop: false }`
[INFO] [stderr]    Compiling descent v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "0cbdd79df7f2c0d77b0791526969c84cf3ff5b99b3c85b353cf40e5b396f9895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbdd79df7f2c0d77b0791526969c84cf3ff5b99b3c85b353cf40e5b396f9895", kill_on_drop: false }`
[INFO] [stdout] 0cbdd79df7f2c0d77b0791526969c84cf3ff5b99b3c85b353cf40e5b396f9895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] ca0061856c1e5a4369f4f7e0de4ef1f18a41ef102043bd8a4c0a4c56096761da
[INFO] running `Command { std: "docker" "start" "-a" "ca0061856c1e5a4369f4f7e0de4ef1f18a41ef102043bd8a4c0a4c56096761da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/descent-7433ff1704f5a0d1
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test expr::dynam::tests::operations ... ok
[INFO] [stdout] test expr::dynam::tests::sum_sub ... ok
[INFO] [stdout] test expr::dynam::tests::separation ... ok
[INFO] [stdout] test expr::dynam::tests::forward_reverse ... ok
[INFO] [stdout] test expr::dynam::tests::cos ... ok
[INFO] [stdout] test expr::dynam::tests::degree ... ok
[INFO] [stdout] test expr::dynam::tests::sum ... ok
[INFO] [stdout] test expr::dynam::tests::variety ... ok
[INFO] [stdout] test expr::dynam::tests::reverse ... ok
[INFO] [stdout] test expr::dynam::tests::sin ... ok
[INFO] [stdout] test expr::dynam::tests::auto_dynam ... ok
[INFO] [stdout] test expr::dynam::tests::auto_const ... 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 (line 22) ... ok
[INFO] [stdout] test src/expr/dynam.rs - expr::dynam::Expr (line 224) ... ok
[INFO] [stdout] test src/expr/dynam.rs - expr::dynam::Expr (line 212) ... 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" "ca0061856c1e5a4369f4f7e0de4ef1f18a41ef102043bd8a4c0a4c56096761da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0061856c1e5a4369f4f7e0de4ef1f18a41ef102043bd8a4c0a4c56096761da", kill_on_drop: false }`
[INFO] [stdout] ca0061856c1e5a4369f4f7e0de4ef1f18a41ef102043bd8a4c0a4c56096761da