[INFO] fetching crate mech-stats 0.0.5...
[INFO] testing mech-stats-0.0.5 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate mech-stats 0.0.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mech-stats 0.0.5 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech-stats 0.0.5
[INFO] finished tweaking crates.io crate mech-stats 0.0.5
[INFO] tweaked toml for crates.io crate mech-stats 0.0.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d69e75fa9e0152c5bb3874a5015e9464f4fb43f380ee40d4f73c08f02b1046c
[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" "6d69e75fa9e0152c5bb3874a5015e9464f4fb43f380ee40d4f73c08f02b1046c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d69e75fa9e0152c5bb3874a5015e9464f4fb43f380ee40d4f73c08f02b1046c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d69e75fa9e0152c5bb3874a5015e9464f4fb43f380ee40d4f73c08f02b1046c", kill_on_drop: false }`
[INFO] [stdout] 6d69e75fa9e0152c5bb3874a5015e9464f4fb43f380ee40d4f73c08f02b1046c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTFLAGS=--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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 862833967d37741d434e1c2aa9d1b196224525e91852887e7f79f9b4e8c2fd65
[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" "862833967d37741d434e1c2aa9d1b196224525e91852887e7f79f9b4e8c2fd65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mech-core v0.0.5
[INFO] [stderr]    Compiling mech-utilities v0.0.5
[INFO] [stderr]    Compiling mech-stats v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Interner`, `Transaction`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mech_core::{Interner, Transaction};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `QuantityMath`, `Quantity`, `make_quantity`
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stdout]   |                 ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[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:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub extern "C" fn stats_average(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:8:65
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub extern "C" fn stats_average(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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.44s
[INFO] running `Command { std: "docker" "inspect" "862833967d37741d434e1c2aa9d1b196224525e91852887e7f79f9b4e8c2fd65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862833967d37741d434e1c2aa9d1b196224525e91852887e7f79f9b4e8c2fd65", kill_on_drop: false }`
[INFO] [stdout] 862833967d37741d434e1c2aa9d1b196224525e91852887e7f79f9b4e8c2fd65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTFLAGS=--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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e99a534a68ac4494784be7e82364bfd16ec6e292e4a8e3faa6926466e861058
[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" "5e99a534a68ac4494784be7e82364bfd16ec6e292e4a8e3faa6926466e861058", kill_on_drop: false }`
[INFO] [stderr]    Compiling mech-stats v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Interner`, `Transaction`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mech_core::{Interner, Transaction};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `QuantityMath`, `Quantity`, `make_quantity`
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stdout]   |                 ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[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:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub extern "C" fn stats_average(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:8:65
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub extern "C" fn stats_average(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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Interner`, `Transaction`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mech_core::{Interner, Transaction};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `QuantityMath`, `Quantity`, `make_quantity`
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stdout]   |                 ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Quantity`, `make_quantity`
[INFO] [stdout]  --> tests/stats.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stdout]   |                 ^^^^^^^^                            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub extern "C" fn stats_average(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:8:65
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub extern "C" fn stats_average(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: unused import: `QuantityMath`
[INFO] [stdout]  --> tests/stats.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "5e99a534a68ac4494784be7e82364bfd16ec6e292e4a8e3faa6926466e861058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e99a534a68ac4494784be7e82364bfd16ec6e292e4a8e3faa6926466e861058", kill_on_drop: false }`
[INFO] [stdout] 5e99a534a68ac4494784be7e82364bfd16ec6e292e4a8e3faa6926466e861058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTFLAGS=--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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b4e2132fc7fc89fe4aca89565f6053f00894312bff513c320a4b5805a928278
[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" "7b4e2132fc7fc89fe4aca89565f6053f00894312bff513c320a4b5805a928278", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Interner`, `Transaction`
[INFO] [stderr]  --> src/lib.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::{Interner, Transaction};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `QuantityMath`, `Quantity`, `make_quantity`
[INFO] [stderr]  --> src/lib.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `std::vec::Vec<(std::string::String, mech_core::Table)>`, which is not FFI-safe
[INFO] [stderr]  --> src/lib.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub extern "C" fn stats_average(input: Vec<(String, Table)>) -> Table {
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]   = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `mech_core::Table`, which is not FFI-safe
[INFO] [stderr]  --> src/lib.rs:8:65
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub extern "C" fn stats_average(input: Vec<(String, Table)>) -> Table {
[INFO] [stderr]   |                                                                 ^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]   = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Interner`, `Transaction`
[INFO] [stderr]  --> src/lib.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::{Interner, Transaction};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `QuantityMath`, `Quantity`, `make_quantity`
[INFO] [stderr]  --> src/lib.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `std::vec::Vec<(std::string::String, mech_core::Table)>`, which is not FFI-safe
[INFO] [stderr]  --> src/lib.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub extern "C" fn stats_average(input: Vec<(String, Table)>) -> Table {
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]   = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `mech_core::Table`, which is not FFI-safe
[INFO] [stderr]  --> src/lib.rs:8:65
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub extern "C" fn stats_average(input: Vec<(String, Table)>) -> Table {
[INFO] [stderr]   |                                                                 ^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]   = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Quantity`, `make_quantity`
[INFO] [stderr]  --> tests/stats.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^                            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `QuantityMath`
[INFO] [stderr]  --> tests/stats.rs:6:39
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mech_stats-ea75216a8463a2a0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stats-ca67a4b942c8ea5f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test average_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mech-stats
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b4e2132fc7fc89fe4aca89565f6053f00894312bff513c320a4b5805a928278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4e2132fc7fc89fe4aca89565f6053f00894312bff513c320a4b5805a928278", kill_on_drop: false }`
[INFO] [stdout] 7b4e2132fc7fc89fe4aca89565f6053f00894312bff513c320a4b5805a928278