[INFO] fetching crate py-pkstl 0.1.0...
[INFO] checking py-pkstl-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate py-pkstl 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate py-pkstl 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate py-pkstl 0.1.0
[INFO] finished tweaking crates.io crate py-pkstl 0.1.0
[INFO] tweaked toml for crates.io crate py-pkstl 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
[INFO] [stderr]       Adding ctor v0.1.26 (latest: v0.2.7)
[INFO] [stderr]       Adding indoc v0.3.6 (latest: v2.0.5)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (latest: v0.3.7)
[INFO] [stderr]       Adding inventory v0.1.11 (latest: v0.3.15)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pyo3 v0.8.5 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-derive-backend v0.8.5 (latest: v0.12.5)
[INFO] [stderr]       Adding pyo3cls v0.8.5 (latest: v0.12.5)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.5
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded pyo3cls v0.8.5
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded chacha20-poly1305-aead v0.1.2
[INFO] [stderr]   Downloaded clear_on_drop v0.2.5
[INFO] [stderr]   Downloaded pyo3 v0.8.5
[INFO] [stderr]   Downloaded pkstl v0.1.0
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94d3f5b01e99d7bd9d97e41ffd474a50edd1e7783c9154a4e9f152447d1fdb43
[INFO] running `Command { std: "docker" "start" "-a" "94d3f5b01e99d7bd9d97e41ffd474a50edd1e7783c9154a4e9f152447d1fdb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d3f5b01e99d7bd9d97e41ffd474a50edd1e7783c9154a4e9f152447d1fdb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d3f5b01e99d7bd9d97e41ffd474a50edd1e7783c9154a4e9f152447d1fdb43", kill_on_drop: false }`
[INFO] [stdout] 94d3f5b01e99d7bd9d97e41ffd474a50edd1e7783c9154a4e9f152447d1fdb43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e037123497904692003f4110d00a184269f9939f39e6d73d239ba1754fa98b2c
[INFO] running `Command { std: "docker" "start" "-a" "e037123497904692003f4110d00a184269f9939f39e6d73d239ba1754fa98b2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]    Compiling pyo3 v0.8.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pkstl v0.1.0
[INFO] [stderr]     Checking py-pkstl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/lib.rs:82:2
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct MinimalSecureLayer {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 82 |     inner: pkstl::MinimalSecureLayer
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/lib.rs:82:2
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct MinimalSecureLayer {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 82 |     inner: pkstl::MinimalSecureLayer
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.8.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "e037123497904692003f4110d00a184269f9939f39e6d73d239ba1754fa98b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e037123497904692003f4110d00a184269f9939f39e6d73d239ba1754fa98b2c", kill_on_drop: false }`
[INFO] [stdout] e037123497904692003f4110d00a184269f9939f39e6d73d239ba1754fa98b2c