[INFO] fetching crate erabu 0.1.1...
[INFO] testing erabu-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate erabu 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate erabu 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erabu 0.1.1
[INFO] finished tweaking crates.io crate erabu 0.1.1
[INFO] tweaked toml for crates.io crate erabu 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 744c7cc443cbd8353c6f79e644dfe8b95884649e4ae74ea3836733059558cf1a
[INFO] running `Command { std: "docker" "start" "-a" "744c7cc443cbd8353c6f79e644dfe8b95884649e4ae74ea3836733059558cf1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "744c7cc443cbd8353c6f79e644dfe8b95884649e4ae74ea3836733059558cf1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744c7cc443cbd8353c6f79e644dfe8b95884649e4ae74ea3836733059558cf1a", kill_on_drop: false }`
[INFO] [stdout] 744c7cc443cbd8353c6f79e644dfe8b95884649e4ae74ea3836733059558cf1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a91cdec2ba78a14330cec433a336e36be6a9fec704e9779da1e4252bb08aab41
[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" "a91cdec2ba78a14330cec433a336e36be6a9fec704e9779da1e4252bb08aab41", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling erabu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 - fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 38 + fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn collection_file() -> Result<PathBuf, Box<std::error::Error>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 - fn collection_file() -> Result<PathBuf, Box<std::error::Error>> {
[INFO] [stdout] 15 + fn collection_file() -> Result<PathBuf, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get_collections() -> Result<Vec<String>, Box<std::error::Error>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub fn get_collections() -> Result<Vec<String>, Box<std::error::Error>> {
[INFO] [stdout] 26 + pub fn get_collections() -> Result<Vec<String>, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(name: &String) -> Result<Collection, Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -     pub fn new(name: &String) -> Result<Collection, Box<std::error::Error>> {
[INFO] [stdout] 40 +     pub fn new(name: &String) -> Result<Collection, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:95:46
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn save(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     pub fn save(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 95 +     pub fn save(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/add.rs:5:81
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/del.rs:5:81
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/pick.rs:3:61
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn pick_item(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn pick_item(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 3 + pub fn pick_item(collection_name: String) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/list.rs:5:62
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn list_items(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn list_items(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn list_items(collection_name: String) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subcommands/list.rs:12:45
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn list_collections() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 - pub fn list_collections() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 12 + pub fn list_collections() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "a91cdec2ba78a14330cec433a336e36be6a9fec704e9779da1e4252bb08aab41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91cdec2ba78a14330cec433a336e36be6a9fec704e9779da1e4252bb08aab41", kill_on_drop: false }`
[INFO] [stdout] a91cdec2ba78a14330cec433a336e36be6a9fec704e9779da1e4252bb08aab41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 1619e23d282bf07726aa4fdec1e6c004371ba3193d25bad36826ab669bd4d35b
[INFO] running `Command { std: "docker" "start" "-a" "1619e23d282bf07726aa4fdec1e6c004371ba3193d25bad36826ab669bd4d35b", kill_on_drop: false }`
[INFO] [stderr]    Compiling erabu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 - fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 38 + fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn collection_file() -> Result<PathBuf, Box<std::error::Error>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 - fn collection_file() -> Result<PathBuf, Box<std::error::Error>> {
[INFO] [stdout] 15 + fn collection_file() -> Result<PathBuf, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get_collections() -> Result<Vec<String>, Box<std::error::Error>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub fn get_collections() -> Result<Vec<String>, Box<std::error::Error>> {
[INFO] [stdout] 26 + pub fn get_collections() -> Result<Vec<String>, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(name: &String) -> Result<Collection, Box<std::error::Error>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -     pub fn new(name: &String) -> Result<Collection, Box<std::error::Error>> {
[INFO] [stdout] 40 +     pub fn new(name: &String) -> Result<Collection, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection.rs:95:46
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn save(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     pub fn save(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 95 +     pub fn save(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/add.rs:5:81
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/del.rs:5:81
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/pick.rs:3:61
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn pick_item(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub fn pick_item(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 3 + pub fn pick_item(collection_name: String) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/subcommands/list.rs:5:62
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn list_items(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn list_items(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn list_items(collection_name: String) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subcommands/list.rs:12:45
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn list_collections() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 - pub fn list_collections() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] 12 + pub fn list_collections() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/erabu-999e4bdbb8cfcfa0)
[INFO] running `Command { std: "docker" "inspect" "1619e23d282bf07726aa4fdec1e6c004371ba3193d25bad36826ab669bd4d35b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1619e23d282bf07726aa4fdec1e6c004371ba3193d25bad36826ab669bd4d35b", kill_on_drop: false }`
[INFO] [stdout] 1619e23d282bf07726aa4fdec1e6c004371ba3193d25bad36826ab669bd4d35b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 04ee40a69df369be8f52034500dc14abb99c4fcb6d8e0a6be7aa6e46e5b3155e
[INFO] running `Command { std: "docker" "start" "-a" "04ee40a69df369be8f52034500dc14abb99c4fcb6d8e0a6be7aa6e46e5b3155e", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:38:29
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 38 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 - fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr] 38 + fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collection.rs:15:45
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn collection_file() -> Result<PathBuf, Box<std::error::Error>> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 - fn collection_file() -> Result<PathBuf, Box<std::error::Error>> {
[INFO] [stderr] 15 + fn collection_file() -> Result<PathBuf, Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collection.rs:26:53
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn get_collections() -> Result<Vec<String>, Box<std::error::Error>> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 - pub fn get_collections() -> Result<Vec<String>, Box<std::error::Error>> {
[INFO] [stderr] 26 + pub fn get_collections() -> Result<Vec<String>, Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collection.rs:40:57
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(name: &String) -> Result<Collection, Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 40 -     pub fn new(name: &String) -> Result<Collection, Box<std::error::Error>> {
[INFO] [stderr] 40 +     pub fn new(name: &String) -> Result<Collection, Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collection.rs:95:46
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn save(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 95 -     pub fn save(&mut self) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr] 95 +     pub fn save(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/subcommands/add.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr] 5 + pub fn add_items(collection_name: String, items: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/subcommands/del.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr] 5 + pub fn del_items(collection_name: String, items: Vec<String>) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/subcommands/pick.rs:3:61
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn pick_item(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 3 - pub fn pick_item(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr] 3 + pub fn pick_item(collection_name: String) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/subcommands/list.rs:5:62
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn list_items(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn list_items(collection_name: String) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr] 5 + pub fn list_items(collection_name: String) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subcommands/list.rs:12:45
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn list_collections() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 12 - pub fn list_collections() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr] 12 + pub fn list_collections() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `erabu` (bin "erabu" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/erabu-999e4bdbb8cfcfa0)
[INFO] running `Command { std: "docker" "inspect" "04ee40a69df369be8f52034500dc14abb99c4fcb6d8e0a6be7aa6e46e5b3155e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ee40a69df369be8f52034500dc14abb99c4fcb6d8e0a6be7aa6e46e5b3155e", kill_on_drop: false }`
[INFO] [stdout] 04ee40a69df369be8f52034500dc14abb99c4fcb6d8e0a6be7aa6e46e5b3155e