[INFO] fetching crate recall 0.1.0...
[INFO] testing recall-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate recall 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate recall 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recall 0.1.0
[INFO] finished tweaking crates.io crate recall 0.1.0
[INFO] tweaked toml for crates.io crate recall 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 762dda95aedc94ab7fed2d78f7cfbce97999143b036bf2b52465f78c7245192d
[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" "762dda95aedc94ab7fed2d78f7cfbce97999143b036bf2b52465f78c7245192d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "762dda95aedc94ab7fed2d78f7cfbce97999143b036bf2b52465f78c7245192d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762dda95aedc94ab7fed2d78f7cfbce97999143b036bf2b52465f78c7245192d", kill_on_drop: false }`
[INFO] [stdout] 762dda95aedc94ab7fed2d78f7cfbce97999143b036bf2b52465f78c7245192d
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d29241516799abb3428a0714b95c4d031263d8b3357ef89c988ce7db0de697
[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" "33d29241516799abb3428a0714b95c4d031263d8b3357ef89c988ce7db0de697", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling recall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use failure::ResultExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/add.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/browse.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/browse.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/browse.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/decks.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_dir`
[INFO] [stdout]  --> src/init.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{canonicalize, create_dir};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/new.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/add.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn add_card (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stdout]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/browse.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let path = env::current_dir()?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/decks.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn view_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/new.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let data = r#"
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/new.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn new_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stdout]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "33d29241516799abb3428a0714b95c4d031263d8b3357ef89c988ce7db0de697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d29241516799abb3428a0714b95c4d031263d8b3357ef89c988ce7db0de697", kill_on_drop: false }`
[INFO] [stdout] 33d29241516799abb3428a0714b95c4d031263d8b3357ef89c988ce7db0de697
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0bde902a65de72cb5bdebe69292ff8f80baddf93c59855ab8b10a088d2b3d63
[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" "b0bde902a65de72cb5bdebe69292ff8f80baddf93c59855ab8b10a088d2b3d63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling recall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use failure::ResultExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/add.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/browse.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/browse.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/browse.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/decks.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_dir`
[INFO] [stdout]  --> src/init.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{canonicalize, create_dir};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::ResultExt`
[INFO] [stdout]  --> src/new.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use failure::ResultExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/add.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn add_card (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stdout]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/browse.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let path = env::current_dir()?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/decks.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn view_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/new.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let data = r#"
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/new.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn new_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stdout]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "b0bde902a65de72cb5bdebe69292ff8f80baddf93c59855ab8b10a088d2b3d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bde902a65de72cb5bdebe69292ff8f80baddf93c59855ab8b10a088d2b3d63", kill_on_drop: false }`
[INFO] [stdout] b0bde902a65de72cb5bdebe69292ff8f80baddf93c59855ab8b10a088d2b3d63
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 5d9a8d3cdc77897f3ba33ecd7af8e3cd0d004bc762e333f4e2d77438d852ca0e
[INFO] running `Command { std: "docker" "start" "-a" "5d9a8d3cdc77897f3ba33ecd7af8e3cd0d004bc762e333f4e2d77438d852ca0e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use failure::ResultExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/add.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/browse.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/browse.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/browse.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/decks.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `create_dir`
[INFO] [stderr]  --> src/init.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{canonicalize, create_dir};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::ResultExt`
[INFO] [stderr]  --> src/new.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::ResultExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/add.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn add_card (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/browse.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let path = env::current_dir()?;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/decks.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn view_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]  --> src/new.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let data = r#"
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/new.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn new_deck (name: Option<&str>) -> Result<(), ExitFailure> {
[INFO] [stderr]   |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/recall-6e38015380c812e2
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d9a8d3cdc77897f3ba33ecd7af8e3cd0d004bc762e333f4e2d77438d852ca0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9a8d3cdc77897f3ba33ecd7af8e3cd0d004bc762e333f4e2d77438d852ca0e", kill_on_drop: false }`
[INFO] [stdout] 5d9a8d3cdc77897f3ba33ecd7af8e3cd0d004bc762e333f4e2d77438d852ca0e