[INFO] fetching crate mech-math 0.0.5...
[INFO] documenting mech-math-0.0.5 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate mech-math 0.0.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mech-math 0.0.5 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech-math 0.0.5
[INFO] finished tweaking crates.io crate mech-math 0.0.5
[INFO] tweaked toml for crates.io crate mech-math 0.0.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 390a6a7eb694c0f01a3cefe662a556b8207a5dcd5668c3c7311f6d947f365758
[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" "390a6a7eb694c0f01a3cefe662a556b8207a5dcd5668c3c7311f6d947f365758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390a6a7eb694c0f01a3cefe662a556b8207a5dcd5668c3c7311f6d947f365758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390a6a7eb694c0f01a3cefe662a556b8207a5dcd5668c3c7311f6d947f365758", kill_on_drop: false }`
[INFO] [stdout] 390a6a7eb694c0f01a3cefe662a556b8207a5dcd5668c3c7311f6d947f365758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a0fa018d4f261edd58dc1e14f1f72a7976335145bec9e27feead76832f3ce00
[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" "1a0fa018d4f261edd58dc1e14f1f72a7976335145bec9e27feead76832f3ce00", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking mech-core v0.0.5
[INFO] [stderr]     Checking mech-utilities v0.0.5
[INFO] [stderr]  Documenting mech-math v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<(std::string::String, mech_core::Table)>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub extern "C" fn math_sin(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `mech_core::Table`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:13:60
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub extern "C" fn math_sin(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                                            ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<(std::string::String, mech_core::Table)>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub extern "C" fn math_cos(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `mech_core::Table`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub extern "C" fn math_cos(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                                            ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<(std::string::String, mech_core::Table)>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:62:37
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub extern "C" fn math_round(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `mech_core::Table`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:62:62
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub extern "C" fn math_round(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                                              ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::vec::Vec<(std::string::String, mech_core::Table)>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:79:37
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub extern "C" fn math_floor(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `mech_core::Table`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:79:62
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub extern "C" fn math_floor(input: Vec<(String, Table)>) -> Table {
[INFO] [stdout]    |                                                              ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.55s
[INFO] running `Command { std: "docker" "inspect" "1a0fa018d4f261edd58dc1e14f1f72a7976335145bec9e27feead76832f3ce00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0fa018d4f261edd58dc1e14f1f72a7976335145bec9e27feead76832f3ce00", kill_on_drop: false }`
[INFO] [stdout] 1a0fa018d4f261edd58dc1e14f1f72a7976335145bec9e27feead76832f3ce00