[INFO] cloning repository https://github.com/td4b/PySharpe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/td4b/PySharpe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftd4b%2FPySharpe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftd4b%2FPySharpe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81d89295f57abc3ecff52ff40bc1f5eef810d723
[INFO] checking td4b/PySharpe against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftd4b%2FPySharpe" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/td4b/PySharpe on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/td4b/PySharpe
[INFO] finished tweaking git repo https://github.com/td4b/PySharpe
[INFO] tweaked toml for git repo https://github.com/td4b/PySharpe written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/td4b/PySharpe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3cls v0.10.1
[INFO] [stderr]   Downloaded unindent v0.1.5
[INFO] [stderr]   Downloaded inventory-impl v0.1.6
[INFO] [stderr]   Downloaded indoc-impl v0.3.5
[INFO] [stderr]   Downloaded ctor v0.1.14
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] [stderr]   Downloaded noisy_float v0.1.12
[INFO] [stderr]   Downloaded ghost v0.1.1
[INFO] [stderr]   Downloaded paste-impl v0.1.12
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.10.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded numpy v0.9.0
[INFO] [stderr]   Downloaded ndarray-stats v0.3.0
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded indoc v0.3.5
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded syn v1.0.22
[INFO] [stderr]   Downloaded pyo3 v0.10.1
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded inventory v0.1.6
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.15
[INFO] [stderr]   Downloaded paste v0.1.12
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e24db47c2a32f8440d058fccbcd9506bcac6399ea4b8232008f6473a3c58c1
[INFO] running `Command { std: "docker" "start" "-a" "f2e24db47c2a32f8440d058fccbcd9506bcac6399ea4b8232008f6473a3c58c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e24db47c2a32f8440d058fccbcd9506bcac6399ea4b8232008f6473a3c58c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e24db47c2a32f8440d058fccbcd9506bcac6399ea4b8232008f6473a3c58c1", kill_on_drop: false }`
[INFO] [stdout] f2e24db47c2a32f8440d058fccbcd9506bcac6399ea4b8232008f6473a3c58c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 895d758eccc4882fda6cc8a0947b985641424b50e0118d87c5bff5d70dc1534b
[INFO] running `Command { std: "docker" "start" "-a" "895d758eccc4882fda6cc8a0947b985641424b50e0118d87c5bff5d70dc1534b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling pyo3 v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking noisy_float v0.1.12
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking ndarray-stats v0.3.0
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]    Compiling pyo3-derive-backend v0.10.1
[INFO] [stderr]    Compiling paste-impl v0.1.12
[INFO] [stderr]    Compiling indoc-impl v0.3.5
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]     Checking indoc v0.3.5
[INFO] [stderr]     Checking paste v0.1.12
[INFO] [stderr]    Compiling pyo3cls v0.10.1
[INFO] [stderr]     Checking numpy v0.9.0
[INFO] [stderr]     Checking getstock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pyo3::types::PyBytes`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use pyo3::types::PyBytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pyo3::types::PyBytes`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use pyo3::types::PyBytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stock` is never read
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct OptStruct {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 78 |     stock: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OptStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinalStruct` is never constructed
[INFO] [stdout]    --> src/lib.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct FinalStruct {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stock` is never read
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct OptStruct {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 78 |     stock: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OptStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinalStruct` is never constructed
[INFO] [stdout]    --> src/lib.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct FinalStruct {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.10.1, pyo3-derive-backend v0.10.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "895d758eccc4882fda6cc8a0947b985641424b50e0118d87c5bff5d70dc1534b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895d758eccc4882fda6cc8a0947b985641424b50e0118d87c5bff5d70dc1534b", kill_on_drop: false }`
[INFO] [stdout] 895d758eccc4882fda6cc8a0947b985641424b50e0118d87c5bff5d70dc1534b