[INFO] fetching crate log4rs-syslog 3.0.3...
[INFO] testing log4rs-syslog-3.0.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate log4rs-syslog 3.0.3 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate log4rs-syslog 3.0.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log4rs-syslog 3.0.3
[INFO] finished tweaking crates.io crate log4rs-syslog 3.0.3
[INFO] tweaked toml for crates.io crate log4rs-syslog 3.0.3 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cc5bcf67e8413edf50765bbf870e257231d4ba803893e0c808e130d44cd7ed6
[INFO] running `Command { std: "docker" "start" "-a" "7cc5bcf67e8413edf50765bbf870e257231d4ba803893e0c808e130d44cd7ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cc5bcf67e8413edf50765bbf870e257231d4ba803893e0c808e130d44cd7ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc5bcf67e8413edf50765bbf870e257231d4ba803893e0c808e130d44cd7ed6", kill_on_drop: false }`
[INFO] [stdout] 7cc5bcf67e8413edf50765bbf870e257231d4ba803893e0c808e130d44cd7ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b80f74c94a59ddb5d5ef1ddf831ff1831936788f264076d10141d4b605a172
[INFO] running `Command { std: "docker" "start" "-a" "d2b80f74c94a59ddb5d5ef1ddf831ff1831936788f264076d10141d4b605a172", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling log4rs-syslog v3.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     encoder: Box<log4rs::encode::Encode>,
[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 2015) 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] 54 -     encoder: Box<log4rs::encode::Encode>,
[INFO] [stdout] 54 +     encoder: Box<dyn log4rs::encode::Encode>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 50 - pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout] 50 + pub type LevelMap = dyn Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/syslog.rs:311:25
[INFO] [stdout]     |
[INFO] [stdout] 311 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 311 -     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout] 311 +     encoder: Option<Box<dyn log4rs::encode::Encode>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Trait = log4rs::append::Append;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 42 -     type Trait = log4rs::append::Append;
[INFO] [stdout] 42 +     type Trait = dyn log4rs::append::Append;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 49 -     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stdout] 49 +     ) -> Result<Box<Self::Trait>, Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:84:75
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 84 -     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stdout] 84 +     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/syslog.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 318 -     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout] 318 +     pub fn encoder(mut self, encoder: Box<dyn log4rs::encode::Encode>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "d2b80f74c94a59ddb5d5ef1ddf831ff1831936788f264076d10141d4b605a172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b80f74c94a59ddb5d5ef1ddf831ff1831936788f264076d10141d4b605a172", kill_on_drop: false }`
[INFO] [stdout] d2b80f74c94a59ddb5d5ef1ddf831ff1831936788f264076d10141d4b605a172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01d485ca7145c13bf620ff2bceac8516b8cf23566945eb4c1b329af9c5e37cf4
[INFO] running `Command { std: "docker" "start" "-a" "01d485ca7145c13bf620ff2bceac8516b8cf23566945eb4c1b329af9c5e37cf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     encoder: Box<log4rs::encode::Encode>,
[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 2015) 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] 54 -     encoder: Box<log4rs::encode::Encode>,
[INFO] [stdout] 54 +     encoder: Box<dyn log4rs::encode::Encode>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 50 - pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout] 50 + pub type LevelMap = dyn Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/syslog.rs:311:25
[INFO] [stdout]     |
[INFO] [stdout] 311 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 311 -     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout] 311 +     encoder: Option<Box<dyn log4rs::encode::Encode>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Trait = log4rs::append::Append;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 42 -     type Trait = log4rs::append::Append;
[INFO] [stdout] 42 +     type Trait = dyn log4rs::append::Append;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 49 -     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stdout] 49 +     ) -> Result<Box<Self::Trait>, Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:84:75
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 84 -     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stdout] 84 +     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/syslog.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 318 -     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout] 318 +     pub fn encoder(mut self, encoder: Box<dyn log4rs::encode::Encode>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling log4rs-syslog v3.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     encoder: Box<log4rs::encode::Encode>,
[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 2015) 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] 54 -     encoder: Box<log4rs::encode::Encode>,
[INFO] [stdout] 54 +     encoder: Box<dyn log4rs::encode::Encode>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 50 - pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout] 50 + pub type LevelMap = dyn Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/syslog.rs:311:25
[INFO] [stdout]     |
[INFO] [stdout] 311 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 311 -     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stdout] 311 +     encoder: Option<Box<dyn log4rs::encode::Encode>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 |     type Trait = log4rs::append::Append;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 42 -     type Trait = log4rs::append::Append;
[INFO] [stdout] 42 +     type Trait = dyn log4rs::append::Append;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 49 -     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stdout] 49 +     ) -> Result<Box<Self::Trait>, Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/syslog.rs:84:75
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 84 -     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stdout] 84 +     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/syslog.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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] 318 -     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stdout] 318 +     pub fn encoder(mut self, encoder: Box<dyn log4rs::encode::Encode>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "01d485ca7145c13bf620ff2bceac8516b8cf23566945eb4c1b329af9c5e37cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d485ca7145c13bf620ff2bceac8516b8cf23566945eb4c1b329af9c5e37cf4", kill_on_drop: false }`
[INFO] [stdout] 01d485ca7145c13bf620ff2bceac8516b8cf23566945eb4c1b329af9c5e37cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f93cef4333250f76d5a4a7c817c98ffa8f1138c58e31ce35446bda154ed24b6
[INFO] running `Command { std: "docker" "start" "-a" "2f93cef4333250f76d5a4a7c817c98ffa8f1138c58e31ce35446bda154ed24b6", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syslog.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |     encoder: Box<log4rs::encode::Encode>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 54 -     encoder: Box<log4rs::encode::Encode>,
[INFO] [stderr] 54 +     encoder: Box<dyn log4rs::encode::Encode>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syslog.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 50 - pub type LevelMap = Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stderr] 50 + pub type LevelMap = dyn Fn(log::Level) -> libc::c_int + Send + Sync;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syslog.rs:311:25
[INFO] [stderr]     |
[INFO] [stderr] 311 |     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 311 -     encoder: Option<Box<log4rs::encode::Encode>>,
[INFO] [stderr] 311 +     encoder: Option<Box<dyn log4rs::encode::Encode>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |     type Trait = log4rs::append::Append;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 42 -     type Trait = log4rs::append::Append;
[INFO] [stderr] 42 +     type Trait = dyn log4rs::append::Append;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file.rs:49:39
[INFO] [stderr]    |
[INFO] [stderr] 49 |     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 49 -     ) -> Result<Box<Self::Trait>, Box<std::error::Error + Sync + Send>> {
[INFO] [stderr] 49 +     ) -> Result<Box<Self::Trait>, Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syslog.rs:84:75
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 84 -     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<std::error::Error + Sync + Send>> {
[INFO] [stderr] 84 +     fn append(&self, record: &log::Record) -> std::result::Result<(), Box<dyn std::error::Error + Sync + Send>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syslog.rs:318:43
[INFO] [stderr]     |
[INFO] [stderr] 318 |     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 318 -     pub fn encoder(mut self, encoder: Box<log4rs::encode::Encode>) -> Self {
[INFO] [stderr] 318 +     pub fn encoder(mut self, encoder: Box<dyn log4rs::encode::Encode>) -> Self {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `log4rs-syslog` (lib) generated 7 warnings
[INFO] [stderr] warning: `log4rs-syslog` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/log4rs_syslog-7c33350870041b01)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/skeptic.rs (/opt/rustwide/target/debug/deps/skeptic-2a32b81be76cd7df)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test /opt/rustwide/workdir/README.md - log4rs_syslog::Usage::Initialization_based_on_configuration_file (line 65) - compile ... ok
[INFO] [stdout] test /opt/rustwide/workdir/README.md - log4rs_syslog::Usage::Manual_initialization (line 93) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] test readme_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log4rs-syslog
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/file.rs - file::register (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f93cef4333250f76d5a4a7c817c98ffa8f1138c58e31ce35446bda154ed24b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f93cef4333250f76d5a4a7c817c98ffa8f1138c58e31ce35446bda154ed24b6", kill_on_drop: false }`
[INFO] [stdout] 2f93cef4333250f76d5a4a7c817c98ffa8f1138c58e31ce35446bda154ed24b6