[INFO] crate config 0.10.1 is already in cache
[INFO] checking config-0.10.1 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate config 0.10.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate config 0.10.1 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate config 0.10.1
[INFO] finished tweaking crates.io crate config 0.10.1
[INFO] tweaked toml for crates.io crate config 0.10.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aae047f0c3aab91b52b3d7d3d03419beef0bfbe7345f562436735ac6aa09fd6e
[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" "aae047f0c3aab91b52b3d7d3d03419beef0bfbe7345f562436735ac6aa09fd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aae047f0c3aab91b52b3d7d3d03419beef0bfbe7345f562436735ac6aa09fd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae047f0c3aab91b52b3d7d3d03419beef0bfbe7345f562436735ac6aa09fd6e", kill_on_drop: false }`
[INFO] [stdout] aae047f0c3aab91b52b3d7d3d03419beef0bfbe7345f562436735ac6aa09fd6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4086ba782ec6ae489215a1536b9d2d6ec69397d0a16802b2eeaafd86ec6e0352
[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" "4086ba782ec6ae489215a1536b9d2d6ec69397d0a16802b2eeaafd86ec6e0352", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking config v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:503:40
[INFO] [stdout]     |
[INFO] [stdout] 503 |                 while let Some(elem) = try!(visitor.next_element()) {
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:516:48
[INFO] [stdout]     |
[INFO] [stdout] 516 |                 while let Some((key, value)) = try!(visitor.next_entry()) {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         sources: Vec<Box<Source + Send + Sync>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:215:37
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/env.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |         cause: Box<Error + Send + Sync>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Foreign(Box<Error + Send + Sync>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/toml.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/json.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/yaml.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/hjson.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/ini.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/mod.rs:89:45
[INFO] [stdout]    |
[INFO] [stdout] 89 |     ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/file.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ) -> Result<(PathBuf, FileFormat), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/file.rs:94:59
[INFO] [stdout]    |
[INFO] [stdout] 94 |     ) -> Result<(Option<String>, String, FileFormat), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/string.rs:22:59
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ) -> Result<(Option<String>, String, FileFormat), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/mod.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ) -> Result<(Option<String>, String, FileFormat), Box<Error + Send + Sync>>;
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/mod.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn clone_into_box(&self) -> Box<Source + Send + Sync>;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Clone for Box<Source + Send + Sync> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn clone(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Source for Vec<Box<Source + Send + Sync>> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:45:37
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:169:85
[INFO] [stdout]     |
[INFO] [stdout] 169 |             ConfigError::Frozen | ConfigError::PathParse(_) => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:218:23
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 cause.description()
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/path/mod.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let mut do_again = false;
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:503:40
[INFO] [stdout]     |
[INFO] [stdout] 503 |                 while let Some(elem) = try!(visitor.next_element()) {
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:516:48
[INFO] [stdout]     |
[INFO] [stdout] 516 |                 while let Some((key, value)) = try!(visitor.next_entry()) {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         sources: Vec<Box<Source + Send + Sync>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:215:37
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/env.rs:66:37
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |         cause: Box<Error + Send + Sync>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Foreign(Box<Error + Send + Sync>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/toml.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/json.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/yaml.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/hjson.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/ini.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/format/mod.rs:89:45
[INFO] [stdout]    |
[INFO] [stdout] 89 |     ) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/file.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ) -> Result<(PathBuf, FileFormat), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/file.rs:94:59
[INFO] [stdout]    |
[INFO] [stdout] 94 |     ) -> Result<(Option<String>, String, FileFormat), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/string.rs:22:59
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ) -> Result<(Option<String>, String, FileFormat), Box<Error + Send + Sync>> {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/source/mod.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ) -> Result<(Option<String>, String, FileFormat), Box<Error + Send + Sync>>;
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file/mod.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn clone_into_box(&self) -> Box<Source + Send + Sync>;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Clone for Box<Source + Send + Sync> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn clone(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Source for Vec<Box<Source + Send + Sync>> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:45:37
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn clone_into_box(&self) -> Box<Source + Send + Sync> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Source + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:169:85
[INFO] [stdout]     |
[INFO] [stdout] 169 |             ConfigError::Frozen | ConfigError::PathParse(_) => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:218:23
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 cause.description()
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/path/mod.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let mut do_again = false;
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.39s
[INFO] running `Command { std: "docker" "inspect" "4086ba782ec6ae489215a1536b9d2d6ec69397d0a16802b2eeaafd86ec6e0352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4086ba782ec6ae489215a1536b9d2d6ec69397d0a16802b2eeaafd86ec6e0352", kill_on_drop: false }`
[INFO] [stdout] 4086ba782ec6ae489215a1536b9d2d6ec69397d0a16802b2eeaafd86ec6e0352