[INFO] fetching crate descent 0.5.0...
[INFO] testing descent-0.5.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate descent 0.5.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate descent 0.5.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c18f4f95f3eca2781bd4a7d58b613fd957690322b576070ab075bcfb996d1dd
[INFO] running `Command { std: "docker" "start" "-a" "4c18f4f95f3eca2781bd4a7d58b613fd957690322b576070ab075bcfb996d1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c18f4f95f3eca2781bd4a7d58b613fd957690322b576070ab075bcfb996d1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c18f4f95f3eca2781bd4a7d58b613fd957690322b576070ab075bcfb996d1dd", kill_on_drop: false }`
[INFO] [stdout] 4c18f4f95f3eca2781bd4a7d58b613fd957690322b576070ab075bcfb996d1dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7949a7cc36bbef45ade8365ff784e9671abb5f973441f6f47cb843e6c37beee0
[INFO] running `Command { std: "docker" "start" "-a" "7949a7cc36bbef45ade8365ff784e9671abb5f973441f6f47cb843e6c37beee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[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 13.06s
[INFO] running `Command { std: "docker" "inspect" "7949a7cc36bbef45ade8365ff784e9671abb5f973441f6f47cb843e6c37beee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7949a7cc36bbef45ade8365ff784e9671abb5f973441f6f47cb843e6c37beee0", kill_on_drop: false }`
[INFO] [stdout] 7949a7cc36bbef45ade8365ff784e9671abb5f973441f6f47cb843e6c37beee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d48a52af64c8a92b93820f069c4d928f6ce428f9598ca9aa6f519de183ab87
[INFO] running `Command { std: "docker" "start" "-a" "84d48a52af64c8a92b93820f069c4d928f6ce428f9598ca9aa6f519de183ab87", kill_on_drop: false }`
[INFO] [stderr]    Compiling descent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "84d48a52af64c8a92b93820f069c4d928f6ce428f9598ca9aa6f519de183ab87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d48a52af64c8a92b93820f069c4d928f6ce428f9598ca9aa6f519de183ab87", kill_on_drop: false }`
[INFO] [stdout] 84d48a52af64c8a92b93820f069c4d928f6ce428f9598ca9aa6f519de183ab87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e04044f3cec70718c53d39681a32cbad45123c40a8023fee66a75926f9a47cf9
[INFO] running `Command { std: "docker" "start" "-a" "e04044f3cec70718c53d39681a32cbad45123c40a8023fee66a75926f9a47cf9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/descent-dcf6b538ea547519)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test expr::dynam::tests::operations ... ok
[INFO] [stdout] test expr::dynam::tests::cos ... ok
[INFO] [stdout] test expr::dynam::tests::forward_reverse ... ok
[INFO] [stdout] test expr::dynam::tests::reverse ... ok
[INFO] [stdout] test expr::dynam::tests::degree ... 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 (line 22) ... 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] test src/expr/dynam.rs - expr::dynam::Expr (line 224) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e04044f3cec70718c53d39681a32cbad45123c40a8023fee66a75926f9a47cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04044f3cec70718c53d39681a32cbad45123c40a8023fee66a75926f9a47cf9", kill_on_drop: false }`
[INFO] [stdout] e04044f3cec70718c53d39681a32cbad45123c40a8023fee66a75926f9a47cf9