[INFO] fetching crate buffett-metrics 0.1.3...
[INFO] testing buffett-metrics-0.1.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate buffett-metrics 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate buffett-metrics 0.1.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffett-metrics 0.1.3
[INFO] finished tweaking crates.io crate buffett-metrics 0.1.3
[INFO] tweaked toml for crates.io crate buffett-metrics 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buffett-timing v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97efee32d8a1c7c0e70c97ecd0b26bbda0cce7349f5df7ffa8be15ea89f4264f
[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" "97efee32d8a1c7c0e70c97ecd0b26bbda0cce7349f5df7ffa8be15ea89f4264f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97efee32d8a1c7c0e70c97ecd0b26bbda0cce7349f5df7ffa8be15ea89f4264f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97efee32d8a1c7c0e70c97ecd0b26bbda0cce7349f5df7ffa8be15ea89f4264f", kill_on_drop: false }`
[INFO] [stdout] 97efee32d8a1c7c0e70c97ecd0b26bbda0cce7349f5df7ffa8be15ea89f4264f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bdb67b40f068382291d01a958b7328f7ce760cc08a0dea5826d7f4ac2c85649
[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" "2bdb67b40f068382291d01a958b7328f7ce760cc08a0dea5826d7f4ac2c85649", kill_on_drop: false }`
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling buffett-timing v0.1.1
[INFO] [stderr]    Compiling sys-info v0.5.10
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling hyper-native-tls v0.3.0
[INFO] [stderr]    Compiling influx_db_client v0.3.6
[INFO] [stderr]    Compiling buffett-metrics v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metrics.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn new(metrics_writer: Arc<MetricsWriter + Send + Sync>, write_frequency: Duration) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metrics.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/metrics.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stdout]   |                                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/metrics.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |     static INIT: Once = ONCE_INIT;
[INFO] [stdout]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/metrics.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 |     static SET_HOOK: Once = ONCE_INIT;
[INFO] [stdout]     |                             ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "2bdb67b40f068382291d01a958b7328f7ce760cc08a0dea5826d7f4ac2c85649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdb67b40f068382291d01a958b7328f7ce760cc08a0dea5826d7f4ac2c85649", kill_on_drop: false }`
[INFO] [stdout] 2bdb67b40f068382291d01a958b7328f7ce760cc08a0dea5826d7f4ac2c85649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c94707cb3a629c3ad80ef325ba6951f7622cef27b4b8b2aa9cb62082f4621b95
[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" "c94707cb3a629c3ad80ef325ba6951f7622cef27b4b8b2aa9cb62082f4621b95", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffett-metrics v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metrics.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn new(metrics_writer: Arc<MetricsWriter + Send + Sync>, write_frequency: Duration) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metrics.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/metrics.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stdout]   |                                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/metrics.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |     static INIT: Once = ONCE_INIT;
[INFO] [stdout]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/metrics.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 |     static SET_HOOK: Once = ONCE_INIT;
[INFO] [stdout]     |                             ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metrics.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn new(metrics_writer: Arc<MetricsWriter + Send + Sync>, write_frequency: Duration) -> Self {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/metrics.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/metrics.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stdout]   |                                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/metrics.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |     static INIT: Once = ONCE_INIT;
[INFO] [stdout]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/metrics.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 |     static SET_HOOK: Once = ONCE_INIT;
[INFO] [stdout]     |                             ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "c94707cb3a629c3ad80ef325ba6951f7622cef27b4b8b2aa9cb62082f4621b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94707cb3a629c3ad80ef325ba6951f7622cef27b4b8b2aa9cb62082f4621b95", kill_on_drop: false }`
[INFO] [stdout] c94707cb3a629c3ad80ef325ba6951f7622cef27b4b8b2aa9cb62082f4621b95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99961f37f8e6cd6970f4e525fa69d98ddabff07800d1fa27c2bcfc03832bcf84
[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" "99961f37f8e6cd6970f4e525fa69d98ddabff07800d1fa27c2bcfc03832bcf84", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/metrics.rs:80:32
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 80 |     fn new(metrics_writer: Arc<MetricsWriter + Send + Sync>, write_frequency: Duration) -> Self {
[INFO] [stdout] 
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/metrics.rs:88:22
[INFO] [stderr]    |
[INFO] [stderr] 88 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]  --> src/metrics.rs:4:44
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stderr]   |                                            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/metrics.rs:158:25
[INFO] [stderr]     |
[INFO] [stderr] 158 |     static INIT: Once = ONCE_INIT;
[INFO] [stderr]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/metrics.rs:186:29
[INFO] [stderr]     |
[INFO] [stderr] 186 |     static SET_HOOK: Once = ONCE_INIT;
[INFO] [stderr]     |                             ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/metrics.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn new(metrics_writer: Arc<MetricsWriter + Send + Sync>, write_frequency: Duration) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/metrics.rs:88:22
[INFO] [stderr]    |
[INFO] [stderr] 88 |         writer: &Arc<MetricsWriter + Send + Sync>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetricsWriter + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]  --> src/metrics.rs:4:44
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stderr]   |                                            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/metrics.rs:158:25
[INFO] [stderr]     |
[INFO] [stderr] 158 |     static INIT: Once = ONCE_INIT;
[INFO] [stderr]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/metrics.rs:186:29
[INFO] [stderr]     |
[INFO] [stderr] 186 |     static SET_HOOK: Once = ONCE_INIT;
[INFO] [stderr]     |                             ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buffett_metrics-c7c34ceb08d686c1
[INFO] [stderr]    Doc-tests buffett-metrics
[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" "99961f37f8e6cd6970f4e525fa69d98ddabff07800d1fa27c2bcfc03832bcf84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99961f37f8e6cd6970f4e525fa69d98ddabff07800d1fa27c2bcfc03832bcf84", kill_on_drop: false }`
[INFO] [stdout] 99961f37f8e6cd6970f4e525fa69d98ddabff07800d1fa27c2bcfc03832bcf84
