[INFO] fetching crate pyo3 0.12.3...
[INFO] checking pyo3-0.12.3 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate pyo3 0.12.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pyo3 0.12.3 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pyo3 0.12.3
[INFO] finished tweaking crates.io crate pyo3 0.12.3
[INFO] tweaked toml for crates.io crate pyo3 0.12.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72805ab97ba6702c732bbe518a5a7fad15af632511bf9a9a76291b229fb272b6
[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" "72805ab97ba6702c732bbe518a5a7fad15af632511bf9a9a76291b229fb272b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72805ab97ba6702c732bbe518a5a7fad15af632511bf9a9a76291b229fb272b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72805ab97ba6702c732bbe518a5a7fad15af632511bf9a9a76291b229fb272b6", kill_on_drop: false }`
[INFO] [stdout] 72805ab97ba6702c732bbe518a5a7fad15af632511bf9a9a76291b229fb272b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1571246a58b7aa89dbfe3283f757e8b80d6fa3c6e4d91ccaa652118786fc2056
[INFO] running `Command { std: "docker" "start" "-a" "1571246a58b7aa89dbfe3283f757e8b80d6fa3c6e4d91ccaa652118786fc2056", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]    Compiling pyo3 v0.12.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling pyo3cls v0.12.3
[INFO] [stderr]     Checking inventory v0.1.9
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/ffi/methodobject.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[cfg_attr(Py_3_8, link_name = "_PyObject_Vectorcall")]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 | / pub type PyObject_Vectorcall = unsafe extern "C" fn(
[INFO] [stdout] 22 | |     slf: *mut PyObject,
[INFO] [stdout] 23 | |     // positional and keyword arguments
[INFO] [stdout] 24 | |     args: *const *mut PyObject,
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     kwnames: *mut PyObject,
[INFO] [stdout] 29 | | ) -> *mut PyObject;
[INFO] [stdout]    | |___________________- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/ffi/methodobject.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |   #[cfg_attr(Py_3_8, link_name = "PyVectorcall_Call")]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 33 | / pub type PyVectorcall_Call = unsafe extern "C" fn(
[INFO] [stdout] 34 | |     obj: *mut PyObject,
[INFO] [stdout] 35 | |     tuple: *mut PyObject,
[INFO] [stdout] 36 | |     dict: *mut PyObject,
[INFO] [stdout] 37 | | ) -> *mut PyObject;
[INFO] [stdout]    | |___________________- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/ffi/methodobject.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[cfg_attr(Py_3_8, link_name = "_PyObject_Vectorcall")]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 | / pub type PyObject_Vectorcall = unsafe extern "C" fn(
[INFO] [stdout] 22 | |     slf: *mut PyObject,
[INFO] [stdout] 23 | |     // positional and keyword arguments
[INFO] [stdout] 24 | |     args: *const *mut PyObject,
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     kwnames: *mut PyObject,
[INFO] [stdout] 29 | | ) -> *mut PyObject;
[INFO] [stdout]    | |___________________- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/ffi/methodobject.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |   #[cfg_attr(Py_3_8, link_name = "PyVectorcall_Call")]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 33 | / pub type PyVectorcall_Call = unsafe extern "C" fn(
[INFO] [stdout] 34 | |     obj: *mut PyObject,
[INFO] [stdout] 35 | |     tuple: *mut PyObject,
[INFO] [stdout] 36 | |     dict: *mut PyObject,
[INFO] [stdout] 37 | | ) -> *mut PyObject;
[INFO] [stdout]    | |___________________- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "1571246a58b7aa89dbfe3283f757e8b80d6fa3c6e4d91ccaa652118786fc2056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1571246a58b7aa89dbfe3283f757e8b80d6fa3c6e4d91ccaa652118786fc2056", kill_on_drop: false }`
[INFO] [stdout] 1571246a58b7aa89dbfe3283f757e8b80d6fa3c6e4d91ccaa652118786fc2056