[INFO] fetching crate rrun 0.2.3...
[INFO] testing rrun-0.2.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rrun 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rrun 0.2.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rrun 0.2.3
[INFO] finished tweaking crates.io crate rrun 0.2.3
[INFO] tweaked toml for crates.io crate rrun 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7564eeb65767b85857fb95326201b5d55d357eec43f7bae2cadbfd6af0d51f61
[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" "7564eeb65767b85857fb95326201b5d55d357eec43f7bae2cadbfd6af0d51f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7564eeb65767b85857fb95326201b5d55d357eec43f7bae2cadbfd6af0d51f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7564eeb65767b85857fb95326201b5d55d357eec43f7bae2cadbfd6af0d51f61", kill_on_drop: false }`
[INFO] [stdout] 7564eeb65767b85857fb95326201b5d55d357eec43f7bae2cadbfd6af0d51f61
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] f50ba183620d951344b545b52919937345587ee329bae51601c293c1fdb99fa4
[INFO] running `Command { std: "docker" "start" "-a" "f50ba183620d951344b545b52919937345587ee329bae51601c293c1fdb99fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling glib v0.4.1
[INFO] [stderr]    Compiling pango v0.3.0
[INFO] [stderr]    Compiling rrun v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_completions(&self, query: &str) -> Box<Iterator<Item = Completion>>;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub completers: Vec<Box<AutoCompleter>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:27:67
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get_completers(config: &toml::value::Table) -> Vec<Box<AutoCompleter>> {
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut completes: Vec<Box<AutoCompleter>> = Vec::new();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn get_completions(&self, query: &str) -> Box<Iterator<Item = Completion>> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/autocomplete.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn complete(&self, cmd_string: &str) -> Box<Iterator<Item = Completion>>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/externalautocompleter.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(tpe: String, command: String, trigger: String) -> Box<AutoCompleter> {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/externalautocompleter.rs:26:44
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn complete(&self, query: &str) -> Box<Iterator<Item = Completion>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/externalautocompleter.rs:43:66
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     .fold(self.command.replace("{}", sub_query), (|a, (i, e)| a.replace(&format!("{{{}}}", i), e.as_str())));
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let config_directory = match env::home_dir() {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:74:64
[INFO] [stdout]    |
[INFO] [stdout] 74 |             info!("couldn't open {}: {}", file_path.display(), Error::description(&why));
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:89:87
[INFO] [stdout]    |
[INFO] [stdout] 89 |         Err(why) => panic!("couldn't read Configfile ~/.config/rrun/config.toml: {}", Error::description(&why)),
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:101:65
[INFO] [stdout]     |
[INFO] [stdout] 101 |         Err(why) => panic!("couldn't read file {:?}: {}", file, Error::description(&why)),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "f50ba183620d951344b545b52919937345587ee329bae51601c293c1fdb99fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50ba183620d951344b545b52919937345587ee329bae51601c293c1fdb99fa4", kill_on_drop: false }`
[INFO] [stdout] f50ba183620d951344b545b52919937345587ee329bae51601c293c1fdb99fa4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d35da5a19e24a293653ee5e6854965026134af7774eabf96385f5e3f365536b
[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" "2d35da5a19e24a293653ee5e6854965026134af7774eabf96385f5e3f365536b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rrun v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_completions(&self, query: &str) -> Box<Iterator<Item = Completion>>;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub completers: Vec<Box<AutoCompleter>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:27:67
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get_completers(config: &toml::value::Table) -> Vec<Box<AutoCompleter>> {
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut completes: Vec<Box<AutoCompleter>> = Vec::new();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn get_completions(&self, query: &str) -> Box<Iterator<Item = Completion>> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/autocomplete.rs:3:49
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn complete(&self, cmd_string: &str) -> Box<Iterator<Item = Completion>>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/externalautocompleter.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(tpe: String, command: String, trigger: String) -> Box<AutoCompleter> {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/externalautocompleter.rs:26:44
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn complete(&self, query: &str) -> Box<Iterator<Item = Completion>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/externalautocompleter.rs:43:66
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     .fold(self.command.replace("{}", sub_query), (|a, (i, e)| a.replace(&format!("{{{}}}", i), e.as_str())));
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let config_directory = match env::home_dir() {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:74:64
[INFO] [stdout]    |
[INFO] [stdout] 74 |             info!("couldn't open {}: {}", file_path.display(), Error::description(&why));
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:89:87
[INFO] [stdout]    |
[INFO] [stdout] 89 |         Err(why) => panic!("couldn't read Configfile ~/.config/rrun/config.toml: {}", Error::description(&why)),
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:101:65
[INFO] [stdout]     |
[INFO] [stdout] 101 |         Err(why) => panic!("couldn't read file {:?}: {}", file, Error::description(&why)),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "2d35da5a19e24a293653ee5e6854965026134af7774eabf96385f5e3f365536b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d35da5a19e24a293653ee5e6854965026134af7774eabf96385f5e3f365536b", kill_on_drop: false }`
[INFO] [stdout] 2d35da5a19e24a293653ee5e6854965026134af7774eabf96385f5e3f365536b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff23b1ea90a8ee27f6dd73cbc164710ac80d1f59ff596e66c5e599830420fff8
[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" "ff23b1ea90a8ee27f6dd73cbc164710ac80d1f59ff596e66c5e599830420fff8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engine.rs:11:51
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn get_completions(&self, query: &str) -> Box<Iterator<Item = Completion>>;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engine.rs:16:29
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub completers: Vec<Box<AutoCompleter>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engine.rs:27:67
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn get_completers(config: &toml::value::Table) -> Vec<Box<AutoCompleter>> {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engine.rs:29:36
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut completes: Vec<Box<AutoCompleter>> = Vec::new();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engine.rs:64:51
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn get_completions(&self, query: &str) -> Box<Iterator<Item = Completion>> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/autocomplete.rs:3:49
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn complete(&self, cmd_string: &str) -> Box<Iterator<Item = Completion>>;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/externalautocompleter.rs:15:70
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(tpe: String, command: String, trigger: String) -> Box<AutoCompleter> {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn AutoCompleter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/externalautocompleter.rs:26:44
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn complete(&self, query: &str) -> Box<Iterator<Item = Completion>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Completion>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/externalautocompleter.rs:43:66
[INFO] [stderr]    |
[INFO] [stderr] 43 |                     .fold(self.command.replace("{}", sub_query), (|a, (i, e)| a.replace(&format!("{{{}}}", i), e.as_str())));
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]   --> src/main.rs:61:34
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let config_directory = match env::home_dir() {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:74:64
[INFO] [stderr]    |
[INFO] [stderr] 74 |             info!("couldn't open {}: {}", file_path.display(), Error::description(&why));
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:89:87
[INFO] [stderr]    |
[INFO] [stderr] 89 |         Err(why) => panic!("couldn't read Configfile ~/.config/rrun/config.toml: {}", Error::description(&why)),
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:101:65
[INFO] [stderr]     |
[INFO] [stderr] 101 |         Err(why) => panic!("couldn't read file {:?}: {}", file, Error::description(&why)),
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rrun-98ba1239aefc5508)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test externalautocompleter::test_external_completion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff23b1ea90a8ee27f6dd73cbc164710ac80d1f59ff596e66c5e599830420fff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff23b1ea90a8ee27f6dd73cbc164710ac80d1f59ff596e66c5e599830420fff8", kill_on_drop: false }`
[INFO] [stdout] ff23b1ea90a8ee27f6dd73cbc164710ac80d1f59ff596e66c5e599830420fff8
