[INFO] fetching crate qualinvest 0.2.1...
[INFO] checking qualinvest-0.2.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate qualinvest 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate qualinvest 0.2.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qualinvest 0.2.1
[INFO] finished tweaking crates.io crate qualinvest 0.2.1
[INFO] tweaked toml for crates.io crate qualinvest 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate qualinvest 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modcholesky v0.1.2
[INFO] [stderr]   Downloaded finitediff v0.1.2
[INFO] [stderr]   Downloaded postgres v0.17.2
[INFO] [stderr]   Downloaded argmin_core v0.2.5
[INFO] [stderr]   Downloaded argmin v0.2.6
[INFO] [stderr]   Downloaded finql v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e53fff300e1e2693b277f0d06a9b0942f5773402af46fd7e479be6146f9d66c
[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" "8e53fff300e1e2693b277f0d06a9b0942f5773402af46fd7e479be6146f9d66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e53fff300e1e2693b277f0d06a9b0942f5773402af46fd7e479be6146f9d66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e53fff300e1e2693b277f0d06a9b0942f5773402af46fd7e479be6146f9d66c", kill_on_drop: false }`
[INFO] [stdout] 8e53fff300e1e2693b277f0d06a9b0942f5773402af46fd7e479be6146f9d66c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e156b5f54baf197d283efbf45f50f0424bb65afe61d696f92bd042358b424d4
[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" "6e156b5f54baf197d283efbf45f50f0424bb65afe61d696f92bd042358b424d4", kill_on_drop: false }`
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[INFO] [stderr]     Checking postgres-types v0.1.1
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[INFO] [stderr]     Checking argmin_core v0.2.5
[INFO] [stderr]     Checking argmin v0.2.6
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/argmin-0.2.6/src/solver/quasinewton/bfgs.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<O, L, H> Solver<O> for BFGS<L, H>
[INFO] [stdout]    |            ^ cannot infer type for type parameter `H`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/argmin-0.2.6/src/solver/quasinewton/dfp.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl<O, L, H> Solver<O> for DFP<L, H>
[INFO] [stdout]    |            ^ cannot infer type for type parameter `H`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/argmin-0.2.6/src/solver/quasinewton/sr1.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl<O, L, H> Solver<O> for SR1<L, H>
[INFO] [stdout]    |            ^ cannot infer type for type parameter `H`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/argmin-0.2.6/src/solver/quasinewton/sr1_trustregion.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl<O, B, R> Solver<O> for SR1TrustRegion<B, R>
[INFO] [stdout]     |         ^ cannot infer type for type parameter `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `argmin`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6e156b5f54baf197d283efbf45f50f0424bb65afe61d696f92bd042358b424d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e156b5f54baf197d283efbf45f50f0424bb65afe61d696f92bd042358b424d4", kill_on_drop: false }`
[INFO] [stdout] 6e156b5f54baf197d283efbf45f50f0424bb65afe61d696f92bd042358b424d4