[INFO] fetching crate rust_fixed_width 1.0.1...
[INFO] testing rust_fixed_width-1.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rust_fixed_width 1.0.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate rust_fixed_width 1.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_fixed_width 1.0.1
[INFO] finished tweaking crates.io crate rust_fixed_width 1.0.1
[INFO] tweaked toml for crates.io crate rust_fixed_width 1.0.1 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40059340589eb2d948dc449e2d14ea540c125c3be1a8ff54817dff18589400e0
[INFO] running `Command { std: "docker" "start" "-a" "40059340589eb2d948dc449e2d14ea540c125c3be1a8ff54817dff18589400e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40059340589eb2d948dc449e2d14ea540c125c3be1a8ff54817dff18589400e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40059340589eb2d948dc449e2d14ea540c125c3be1a8ff54817dff18589400e0", kill_on_drop: false }`
[INFO] [stdout] 40059340589eb2d948dc449e2d14ea540c125c3be1a8ff54817dff18589400e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f390d6d029bed3bbb4f5378a7db984ad3de96820cdf58bc627b8e6cbbf4c2040
[INFO] running `Command { std: "docker" "start" "-a" "f390d6d029bed3bbb4f5378a7db984ad3de96820cdf58bc627b8e6cbbf4c2040", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pad v0.1.6
[INFO] [stderr]    Compiling rust_fixed_width v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |         repr: Box<::std::error::Error + Send + Sync>
[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] 11 |         repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stdout]    |                   +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/padders.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     repr: Box<::std::error::Error + 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] 8 |     repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stdout]   |               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/mod.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn cause(&self) -> Option<&ErrorTrait> {
[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] 39 -     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stdout] 39 +     fn cause(&self) -> Option<&dyn ErrorTrait> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/padders.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |         where E: Into<Box<::std::error::Error + 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] 19 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/padders.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 38 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[INFO] [stdout]    |                                +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |         where E: Into<Box<::std::error::Error + 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] 26 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 54 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[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/record/recognizers.rs:50:47
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Error::Other { repr: ref e } => e.description()
[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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/record/recognizers.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::Other { repr: ref e } => e.cause()
[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/record/recognizers.rs:65:62
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::CouldNotRecognize => write!(f, "{}", self.description()),
[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/padders.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.repr.description()
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/padders.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.repr.cause()
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/padders.rs:131:44
[INFO] [stdout]     |
[INFO] [stdout] 131 |             PaddingDirection::Left => data.trim_left_matches(Self::get_char(padding)?).to_string(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/padders.rs:132:45
[INFO] [stdout]     |
[INFO] [stdout] 132 |             PaddingDirection::Right => data.trim_right_matches(Self::get_char(padding)?).to_string(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "f390d6d029bed3bbb4f5378a7db984ad3de96820cdf58bc627b8e6cbbf4c2040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f390d6d029bed3bbb4f5378a7db984ad3de96820cdf58bc627b8e6cbbf4c2040", kill_on_drop: false }`
[INFO] [stdout] f390d6d029bed3bbb4f5378a7db984ad3de96820cdf58bc627b8e6cbbf4c2040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a00af4bdaf384c0f6e1e62508e579890848374157f20e4b88a26ad2057ad309
[INFO] running `Command { std: "docker" "start" "-a" "4a00af4bdaf384c0f6e1e62508e579890848374157f20e4b88a26ad2057ad309", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |         repr: Box<::std::error::Error + Send + Sync>
[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] 11 |         repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stdout]    |                   +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/padders.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     repr: Box<::std::error::Error + 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] 8 |     repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stdout]   |               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/mod.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn cause(&self) -> Option<&ErrorTrait> {
[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] 39 -     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stdout] 39 +     fn cause(&self) -> Option<&dyn ErrorTrait> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/padders.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |         where E: Into<Box<::std::error::Error + 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] 19 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/padders.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 38 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[INFO] [stdout]    |                                +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |         where E: Into<Box<::std::error::Error + 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] 26 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 54 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[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/record/recognizers.rs:50:47
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Error::Other { repr: ref e } => e.description()
[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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/record/recognizers.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::Other { repr: ref e } => e.cause()
[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/record/recognizers.rs:65:62
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::CouldNotRecognize => write!(f, "{}", self.description()),
[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/padders.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.repr.description()
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/padders.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.repr.cause()
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/padders.rs:131:44
[INFO] [stdout]     |
[INFO] [stdout] 131 |             PaddingDirection::Left => data.trim_left_matches(Self::get_char(padding)?).to_string(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/padders.rs:132:45
[INFO] [stdout]     |
[INFO] [stdout] 132 |             PaddingDirection::Right => data.trim_right_matches(Self::get_char(padding)?).to_string(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_fixed_width v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |         repr: Box<::std::error::Error + Send + Sync>
[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] 11 |         repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stdout]    |                   +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/padders.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     repr: Box<::std::error::Error + 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] 8 |     repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stdout]   |               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/mod.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn cause(&self) -> Option<&ErrorTrait> {
[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] 39 -     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stdout] 39 +     fn cause(&self) -> Option<&dyn ErrorTrait> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/padders.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |         where E: Into<Box<::std::error::Error + 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] 19 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/padders.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 38 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[INFO] [stdout]    |                                +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |         where E: Into<Box<::std::error::Error + 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] 26 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/record/recognizers.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 54 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[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/record/recognizers.rs:50:47
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Error::Other { repr: ref e } => e.description()
[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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/record/recognizers.rs:57:47
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::Other { repr: ref e } => e.cause()
[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/record/recognizers.rs:65:62
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::CouldNotRecognize => write!(f, "{}", self.description()),
[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/padders.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.repr.description()
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/padders.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.repr.cause()
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/padders.rs:131:44
[INFO] [stdout]     |
[INFO] [stdout] 131 |             PaddingDirection::Left => data.trim_left_matches(Self::get_char(padding)?).to_string(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/padders.rs:132:45
[INFO] [stdout]     |
[INFO] [stdout] 132 |             PaddingDirection::Right => data.trim_right_matches(Self::get_char(padding)?).to_string(),
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "4a00af4bdaf384c0f6e1e62508e579890848374157f20e4b88a26ad2057ad309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a00af4bdaf384c0f6e1e62508e579890848374157f20e4b88a26ad2057ad309", kill_on_drop: false }`
[INFO] [stdout] 4a00af4bdaf384c0f6e1e62508e579890848374157f20e4b88a26ad2057ad309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8535a7c3063e320641448a19ef7488d684db09946f3b13a3f4ceadc26ffc2c8
[INFO] running `Command { std: "docker" "start" "-a" "c8535a7c3063e320641448a19ef7488d684db09946f3b13a3f4ceadc26ffc2c8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/record/recognizers.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |         repr: Box<::std::error::Error + Send + Sync>
[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] 11 |         repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stderr]    |                   +++++                                 +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/padders.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     repr: Box<::std::error::Error + 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] 8 |     repr: Box<dyn (::std::error::Error + Send + Sync)>
[INFO] [stderr]   |               +++++                                 +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/record/mod.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn cause(&self) -> Option<&ErrorTrait> {
[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] 39 -     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stderr] 39 +     fn cause(&self) -> Option<&dyn ErrorTrait> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/padders.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 |         where E: Into<Box<::std::error::Error + 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] 19 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stderr]    |                           +++++                                 +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/padders.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 38 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[INFO] [stderr]    |                                +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/record/recognizers.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 |         where E: Into<Box<::std::error::Error + 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] 26 |         where E: Into<Box<dyn (::std::error::Error + Send + Sync)>>
[INFO] [stderr]    |                           +++++                                 +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/record/recognizers.rs:54:32
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn cause(&self) -> Option<&::std::error::Error> {
[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] 54 |     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
[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/record/recognizers.rs:50:47
[INFO] [stderr]    |
[INFO] [stderr] 50 |             Error::Other { repr: ref e } => e.description()
[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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/record/recognizers.rs:57:47
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Error::Other { repr: ref e } => e.cause()
[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/record/recognizers.rs:65:62
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Error::CouldNotRecognize => write!(f, "{}", self.description()),
[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/padders.rs:35:19
[INFO] [stderr]    |
[INFO] [stderr] 35 |         self.repr.description()
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/padders.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.repr.cause()
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stderr]    --> src/padders.rs:131:44
[INFO] [stderr]     |
[INFO] [stderr] 131 |             PaddingDirection::Left => data.trim_left_matches(Self::get_char(padding)?).to_string(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stderr]    --> src/padders.rs:132:45
[INFO] [stderr]     |
[INFO] [stderr] 132 |             PaddingDirection::Right => data.trim_right_matches(Self::get_char(padding)?).to_string(),
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_fixed_width` (lib) generated 14 warnings
[INFO] [stderr] warning: `rust_fixed_width` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_fixed_width-fd5f0566a31cd1b3)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stderr]    Doc-tests rust_fixed_width
[INFO] [stdout] test padders::test::default_padder ... ok
[INFO] [stdout] test padders::test::error ... ok
[INFO] [stdout] test padders::test::identity_padder ... ok
[INFO] [stdout] test padders::test::padder_reference ... ok
[INFO] [stdout] test record::reader::test::read_field_with_bad_field_name ... ok
[INFO] [stdout] test record::reader::test::read_field ... ok
[INFO] [stdout] test record::reader::test::read_field_with_bad_line_ending ... ok
[INFO] [stdout] test record::reader::test::read_field_with_bad_record_name ... ok
[INFO] [stdout] test record::reader::test::read_field_with_padding_error ... ok
[INFO] [stdout] test record::reader::test::read_field_with_read_error ... ok
[INFO] [stdout] test record::reader::test::read_record ... ok
[INFO] [stdout] test record::reader::test::read_record_with_bad_line_ending ... ok
[INFO] [stdout] test record::reader::test::read_record_with_bad_record_name ... ok
[INFO] [stdout] test record::reader::test::read_record_with_no_record_name ... ok
[INFO] [stdout] test record::reader::test::read_record_with_no_record_name_but_guessable ... ok
[INFO] [stdout] test record::reader::test::read_record_with_read_error ... ok
[INFO] [stdout] test record::recognizers::test::none_recognizer ... ok
[INFO] [stdout] test record::recognizers::test::recognizer_reference ... ok
[INFO] [stdout] test record::writer::test::write_field_with_bad_field_name ... ok
[INFO] [stdout] test record::recognizers::test::line_buffer ... ok
[INFO] [stdout] test record::writer::test::write_field_with_padding_error ... ok
[INFO] [stdout] test record::writer::test::write_record_with_bad_record_name ... ok
[INFO] [stdout] test record::recognizers::test::error ... ok
[INFO] [stdout] test record::writer::test::write_field_with_bad_record_name ... ok
[INFO] [stdout] test record::writer::test::write_field_at_end_of_record ... ok
[INFO] [stdout] test record::writer::test::write_record ... ok
[INFO] [stdout] test record::writer::test::write_field_with_write_error ... ok
[INFO] [stdout] test record::reader::test::read_record_with_padding_error ... ok
[INFO] [stdout] test record::writer::test::write_record_with_no_record_name_but_guessable ... ok
[INFO] [stdout] test record::writer::test::write_record_with_padding_error ... ok
[INFO] [stdout] test record::writer::test::write_field_with_padded_value_not_correct_length ... ok
[INFO] [stdout] test record::writer::test::write_record_with_no_record_name ... ok
[INFO] [stdout] test record::writer::test::write_record_with_write_error ... ok
[INFO] [stdout] test record::writer::test::write_record_with_padded_value_not_correct_length ... ok
[INFO] [stdout] test record::writer::test::write_field ... ok
[INFO] [stdout] test spec::test::field_range ... ok
[INFO] [stdout] test spec::test::len ... ok
[INFO] [stdout] test record::recognizers::test::id_spec_recognizer ... ok
[INFO] [stdout] test spec::test::build ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "c8535a7c3063e320641448a19ef7488d684db09946f3b13a3f4ceadc26ffc2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8535a7c3063e320641448a19ef7488d684db09946f3b13a3f4ceadc26ffc2c8", kill_on_drop: false }`
[INFO] [stdout] c8535a7c3063e320641448a19ef7488d684db09946f3b13a3f4ceadc26ffc2c8