[INFO] fetching crate py-pkstl 0.1.0...
[INFO] checking py-pkstl-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate py-pkstl 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate py-pkstl 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0691bbb2d9afe23bbd7c814e0c621503be0ae629acfcddbed5386643f0bef5b
[INFO] running `Command { std: "docker" "start" "-a" "d0691bbb2d9afe23bbd7c814e0c621503be0ae629acfcddbed5386643f0bef5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0691bbb2d9afe23bbd7c814e0c621503be0ae629acfcddbed5386643f0bef5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0691bbb2d9afe23bbd7c814e0c621503be0ae629acfcddbed5386643f0bef5b", kill_on_drop: false }`
[INFO] [stdout] d0691bbb2d9afe23bbd7c814e0c621503be0ae629acfcddbed5386643f0bef5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca1412fd99ac4006ea7b80b864e62e5f90bb39a26b95a601ff12660a4f78996
[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" "6ca1412fd99ac4006ea7b80b864e62e5f90bb39a26b95a601ff12660a4f78996", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pkstl v0.1.0
[INFO] [stderr]    Compiling pyo3 v0.8.5
[INFO] [stderr]     Checking py-pkstl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> src/lib.rs:82:2
[INFO] [stdout]    |
[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: field is never read: `inner`
[INFO] [stdout]   --> src/lib.rs:82:2
[INFO] [stdout]    |
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "6ca1412fd99ac4006ea7b80b864e62e5f90bb39a26b95a601ff12660a4f78996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca1412fd99ac4006ea7b80b864e62e5f90bb39a26b95a601ff12660a4f78996", kill_on_drop: false }`
[INFO] [stdout] 6ca1412fd99ac4006ea7b80b864e62e5f90bb39a26b95a601ff12660a4f78996