[INFO] cloning repository https://github.com/Ploppz/experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ploppz/experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fexperiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fexperiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff9ee74fc6fb5580006b5a0719bb5cc6849c3fd1
[INFO] testing Ploppz/experiment against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fexperiment" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ploppz/experiment on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ploppz/experiment
[INFO] removed path dependency plotlib from git repo https://github.com/Ploppz/experiment
[INFO] finished tweaking git repo https://github.com/Ploppz/experiment
[INFO] tweaked toml for git repo https://github.com/Ploppz/experiment written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ploppz/experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69fb5a8681c9c6b55a6b8d228e8a5ac3c8c7ecf9d3470e2e50e35bdcfc3a49f1
[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" "69fb5a8681c9c6b55a6b8d228e8a5ac3c8c7ecf9d3470e2e50e35bdcfc3a49f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69fb5a8681c9c6b55a6b8d228e8a5ac3c8c7ecf9d3470e2e50e35bdcfc3a49f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fb5a8681c9c6b55a6b8d228e8a5ac3c8c7ecf9d3470e2e50e35bdcfc3a49f1", kill_on_drop: false }`
[INFO] [stdout] 69fb5a8681c9c6b55a6b8d228e8a5ac3c8c7ecf9d3470e2e50e35bdcfc3a49f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d3b2fc7049a5e56f056f11c25393b52dea7d4258dcb1316274b5653f9f64a2
[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" "a1d3b2fc7049a5e56f056f11c25393b52dea7d4258dcb1316274b5653f9f64a2", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling svg v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling plotlib v0.5.1
[INFO] [stderr]    Compiling experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, de::DeserializeOwned, Deserialize};
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bail`, `format_err`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::{bail, format_err};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `repr`, `style::*`, `view::ContinuousView`
[INFO] [stdout]   --> src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     repr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     style::*,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     view::ContinuousView,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let date = Local::now();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.73s
[INFO] running `Command { std: "docker" "inspect" "a1d3b2fc7049a5e56f056f11c25393b52dea7d4258dcb1316274b5653f9f64a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d3b2fc7049a5e56f056f11c25393b52dea7d4258dcb1316274b5653f9f64a2", kill_on_drop: false }`
[INFO] [stdout] a1d3b2fc7049a5e56f056f11c25393b52dea7d4258dcb1316274b5653f9f64a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.47.0" "test" "--frozen" "--no-run" "--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] 39effde6eb485a900be793f0abe17e35476f51a7e562264c8ca9a1db2b977e66
[INFO] running `Command { std: "docker" "start" "-a" "39effde6eb485a900be793f0abe17e35476f51a7e562264c8ca9a1db2b977e66", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, de::DeserializeOwned, Deserialize};
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bail`, `format_err`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::{bail, format_err};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `repr`, `style::*`, `view::ContinuousView`
[INFO] [stdout]   --> src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     repr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     style::*,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     view::ContinuousView,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let date = Local::now();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Serialize, de::DeserializeOwned, Deserialize};
[INFO] [stdout]   |                                              ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bail`, `format_err`
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use failure::{bail, format_err};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1`, `Array2`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::{Array1, Array2};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `repr`, `style::*`, `view::ContinuousView`
[INFO] [stdout]   --> src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     repr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     style::*,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     view::ContinuousView,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let date = Local::now();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "39effde6eb485a900be793f0abe17e35476f51a7e562264c8ca9a1db2b977e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39effde6eb485a900be793f0abe17e35476f51a7e562264c8ca9a1db2b977e66", kill_on_drop: false }`
[INFO] [stdout] 39effde6eb485a900be793f0abe17e35476f51a7e562264c8ca9a1db2b977e66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa40ad2542db9fe54a2bc9fb98afd96248e88ea7daaabc579270133047256cb0
[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" "aa40ad2542db9fe54a2bc9fb98afd96248e88ea7daaabc579270133047256cb0", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (plotlib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/lib.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::{Serialize, de::DeserializeOwned, Deserialize};
[INFO] [stderr]   |                                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `bail`, `format_err`
[INFO] [stderr]  --> src/lib.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use failure::{bail, format_err};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `Array2`
[INFO] [stderr]  --> src/lib.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ndarray::{Array1, Array2};
[INFO] [stderr]   |               ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `repr`, `style::*`, `view::ContinuousView`
[INFO] [stderr]   --> src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  |     repr,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 9  |     style::*,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 10 |     view::ContinuousView,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `date`
[INFO] [stderr]   --> src/lib.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let date = Local::now();
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/lib.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::{Serialize, de::DeserializeOwned, Deserialize};
[INFO] [stderr]   |                                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `bail`, `format_err`
[INFO] [stderr]  --> src/lib.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use failure::{bail, format_err};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1`, `Array2`
[INFO] [stderr]  --> src/lib.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ndarray::{Array1, Array2};
[INFO] [stderr]   |               ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `repr`, `style::*`, `view::ContinuousView`
[INFO] [stderr]   --> src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  |     repr,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 9  |     style::*,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 10 |     view::ContinuousView,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `date`
[INFO] [stderr]   --> src/lib.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let date = Local::now();
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/experiment-6e0e3d5490dc9b5a
[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]    Doc-tests experiment
[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" "aa40ad2542db9fe54a2bc9fb98afd96248e88ea7daaabc579270133047256cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa40ad2542db9fe54a2bc9fb98afd96248e88ea7daaabc579270133047256cb0", kill_on_drop: false }`
[INFO] [stdout] aa40ad2542db9fe54a2bc9fb98afd96248e88ea7daaabc579270133047256cb0
