[INFO] fetching crate recall 0.1.0...
[INFO] testing recall-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate recall 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate recall 0.1.0 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 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-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 51919cb5c4de425670ad403b931e25eefa8cb608399e81716011d8cab96f3683
[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" "51919cb5c4de425670ad403b931e25eefa8cb608399e81716011d8cab96f3683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51919cb5c4de425670ad403b931e25eefa8cb608399e81716011d8cab96f3683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51919cb5c4de425670ad403b931e25eefa8cb608399e81716011d8cab96f3683", kill_on_drop: false }`
[INFO] [stdout] 51919cb5c4de425670ad403b931e25eefa8cb608399e81716011d8cab96f3683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df42c83e64e10d48fd77a75b0921b35f67a73cc1edd01338928923d55371bb67
[INFO] running `Command { std: "docker" "start" "-a" "df42c83e64e10d48fd77a75b0921b35f67a73cc1edd01338928923d55371bb67", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[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 15.15s
[INFO] running `Command { std: "docker" "inspect" "df42c83e64e10d48fd77a75b0921b35f67a73cc1edd01338928923d55371bb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df42c83e64e10d48fd77a75b0921b35f67a73cc1edd01338928923d55371bb67", kill_on_drop: false }`
[INFO] [stdout] df42c83e64e10d48fd77a75b0921b35f67a73cc1edd01338928923d55371bb67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 69f192099e30555ab55f4db15501d650ff812128b2b048a6653e19053a13e8c3
[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" "69f192099e30555ab55f4db15501d650ff812128b2b048a6653e19053a13e8c3", kill_on_drop: false }`
[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 1.20s
[INFO] running `Command { std: "docker" "inspect" "69f192099e30555ab55f4db15501d650ff812128b2b048a6653e19053a13e8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f192099e30555ab55f4db15501d650ff812128b2b048a6653e19053a13e8c3", kill_on_drop: false }`
[INFO] [stdout] 69f192099e30555ab55f4db15501d650ff812128b2b048a6653e19053a13e8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d27e85addc1483920ad069e09001626c4b394072ab631eab284066e7a51c1f94
[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" "d27e85addc1483920ad069e09001626c4b394072ab631eab284066e7a51c1f94", 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 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/recall-b103ef97f6151120
[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" "d27e85addc1483920ad069e09001626c4b394072ab631eab284066e7a51c1f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27e85addc1483920ad069e09001626c4b394072ab631eab284066e7a51c1f94", kill_on_drop: false }`
[INFO] [stdout] d27e85addc1483920ad069e09001626c4b394072ab631eab284066e7a51c1f94
