[INFO] fetching crate descent 0.5.0...
[INFO] testing descent-0.5.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate descent 0.5.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate descent 0.5.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate descent 0.5.0
[INFO] finished tweaking crates.io crate descent 0.5.0
[INFO] tweaked toml for crates.io crate descent 0.5.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ddd1b992dfbd02583fb96b38e17f1f79b7cbee19a3e394d2bc56564a8e3f42a
[INFO] running `Command { std: "docker" "start" "-a" "4ddd1b992dfbd02583fb96b38e17f1f79b7cbee19a3e394d2bc56564a8e3f42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ddd1b992dfbd02583fb96b38e17f1f79b7cbee19a3e394d2bc56564a8e3f42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddd1b992dfbd02583fb96b38e17f1f79b7cbee19a3e394d2bc56564a8e3f42a", kill_on_drop: false }`
[INFO] [stdout] 4ddd1b992dfbd02583fb96b38e17f1f79b7cbee19a3e394d2bc56564a8e3f42a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bae173acaf7987f7a8927b386b219ebcd4f7a7225d2f1ebe2b6821374cb09c7b
[INFO] running `Command { std: "docker" "start" "-a" "bae173acaf7987f7a8927b386b219ebcd4f7a7225d2f1ebe2b6821374cb09c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling descent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.00s
[INFO] running `Command { std: "docker" "inspect" "bae173acaf7987f7a8927b386b219ebcd4f7a7225d2f1ebe2b6821374cb09c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae173acaf7987f7a8927b386b219ebcd4f7a7225d2f1ebe2b6821374cb09c7b", kill_on_drop: false }`
[INFO] [stdout] bae173acaf7987f7a8927b386b219ebcd4f7a7225d2f1ebe2b6821374cb09c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1cee4b3c14873f65b26e4ae8bdc8f1f16ee829644898e134b84b56db3be89e
[INFO] running `Command { std: "docker" "start" "-a" "ab1cee4b3c14873f65b26e4ae8bdc8f1f16ee829644898e134b84b56db3be89e", kill_on_drop: false }`
[INFO] [stderr]    Compiling descent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "ab1cee4b3c14873f65b26e4ae8bdc8f1f16ee829644898e134b84b56db3be89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1cee4b3c14873f65b26e4ae8bdc8f1f16ee829644898e134b84b56db3be89e", kill_on_drop: false }`
[INFO] [stdout] ab1cee4b3c14873f65b26e4ae8bdc8f1f16ee829644898e134b84b56db3be89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29c273a4f08263c54ea06e7cad6619df4c5cc486c543d05dd1905350d1e622bf
[INFO] running `Command { std: "docker" "start" "-a" "29c273a4f08263c54ea06e7cad6619df4c5cc486c543d05dd1905350d1e622bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/descent-bdba464ca32d2532)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test expr::dynam::tests::cos ... ok
[INFO] [stdout] test expr::dynam::tests::degree ... ok
[INFO] [stdout] test expr::dynam::tests::forward_reverse ... ok
[INFO] [stdout] test expr::dynam::tests::operations ... ok
[INFO] [stdout] test expr::dynam::tests::reverse ... ok
[INFO] [stdout] test expr::dynam::tests::separation ... ok
[INFO] [stdout] test expr::dynam::tests::sin ... ok
[INFO] [stdout] test expr::dynam::tests::sum ... ok
[INFO] [stdout] test expr::dynam::tests::sum_sub ... ok
[INFO] [stdout] test expr::dynam::tests::variety ... 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; finished in 0.02s
[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; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29c273a4f08263c54ea06e7cad6619df4c5cc486c543d05dd1905350d1e622bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c273a4f08263c54ea06e7cad6619df4c5cc486c543d05dd1905350d1e622bf", kill_on_drop: false }`
[INFO] [stdout] 29c273a4f08263c54ea06e7cad6619df4c5cc486c543d05dd1905350d1e622bf