[INFO] fetching crate barcoders 1.0.2...
[INFO] testing barcoders-1.0.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate barcoders 1.0.2 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate barcoders 1.0.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barcoders 1.0.2
[INFO] finished tweaking crates.io crate barcoders 1.0.2
[INFO] tweaked toml for crates.io crate barcoders 1.0.2 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fb61f9afdf3cb33da4fad29a4f829a1411086129c783b6efb6c82511686faa7
[INFO] running `Command { std: "docker" "start" "-a" "8fb61f9afdf3cb33da4fad29a4f829a1411086129c783b6efb6c82511686faa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb61f9afdf3cb33da4fad29a4f829a1411086129c783b6efb6c82511686faa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb61f9afdf3cb33da4fad29a4f829a1411086129c783b6efb6c82511686faa7", kill_on_drop: false }`
[INFO] [stdout] 8fb61f9afdf3cb33da4fad29a4f829a1411086129c783b6efb6c82511686faa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e2080877c1a3d190a91647cb4e653f4423358382dc429dc7bb753917bf2d61
[INFO] running `Command { std: "docker" "start" "-a" "51e2080877c1a3d190a91647cb4e653f4423358382dc429dc7bb753917bf2d61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling barcoders v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/mod.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code39.rs:87:28
[INFO] [stdout]    |
[INFO] [stdout] 87 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code93.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 57 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code11.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 46 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "51e2080877c1a3d190a91647cb4e653f4423358382dc429dc7bb753917bf2d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e2080877c1a3d190a91647cb4e653f4423358382dc429dc7bb753917bf2d61", kill_on_drop: false }`
[INFO] [stdout] 51e2080877c1a3d190a91647cb4e653f4423358382dc429dc7bb753917bf2d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bbc321f63c43c7ba38d0cae3b219c80327d4ba0728bd3d0447a23e15936775a
[INFO] running `Command { std: "docker" "start" "-a" "6bbc321f63c43c7ba38d0cae3b219c80327d4ba0728bd3d0447a23e15936775a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/mod.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code39.rs:87:28
[INFO] [stdout]    |
[INFO] [stdout] 87 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code93.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 57 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code11.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 46 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling barcoders v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/mod.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code39.rs:87:28
[INFO] [stdout]    |
[INFO] [stdout] 87 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code93.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 57 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/sym/code11.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 46 |             None => panic!("Unknown char: {}", c),
[INFO] [stdout]    |                           --                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "6bbc321f63c43c7ba38d0cae3b219c80327d4ba0728bd3d0447a23e15936775a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbc321f63c43c7ba38d0cae3b219c80327d4ba0728bd3d0447a23e15936775a", kill_on_drop: false }`
[INFO] [stdout] 6bbc321f63c43c7ba38d0cae3b219c80327d4ba0728bd3d0447a23e15936775a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5830947037d318fdf4ad9e9426a425d936c7dbba7d3e528a36c70de749200fa
[INFO] running `Command { std: "docker" "start" "-a" "e5830947037d318fdf4ad9e9426a425d936c7dbba7d3e528a36c70de749200fa", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error/mod.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sym/code39.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 87 |             None => panic!("Unknown char: {}", c),
[INFO] [stderr]    |                           --                   --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sym/code93.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 57 |             None => panic!("Unknown char: {}", c),
[INFO] [stderr]    |                           --                   --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sym/code11.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 46 |             None => panic!("Unknown char: {}", c),
[INFO] [stderr]    |                           --                   --
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error/mod.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sym/code39.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 87 |             None => panic!("Unknown char: {}", c),
[INFO] [stderr]    |                           --                   --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sym/code93.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 57 |             None => panic!("Unknown char: {}", c),
[INFO] [stderr]    |                           --                   --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/sym/code11.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |             None => panic!(format!("Unknown char: {}", c)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 46 |             None => panic!("Unknown char: {}", c),
[INFO] [stderr]    |                           --                   --
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/barcoders-756ec60b4152d2d9)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test sym::codabar::tests::invalid_data_codabar ... ok
[INFO] [stdout] test sym::codabar::tests::codabar_encode ... ok
[INFO] [stdout] test sym::code39::tests::invalid_data_code39 ... ok
[INFO] [stdout] test sym::code39::tests::invalid_len_code39 ... ok
[INFO] [stdout] test sym::code39::tests::new_code39 ... ok
[INFO] [stdout] test sym::code93::tests::invalid_data_code93 ... ok
[INFO] [stdout] test sym::code93::tests::invalid_length_code93 ... ok
[INFO] [stdout] test sym::ean13::tests::ean13_encode ... ok
[INFO] [stdout] test sym::ean13::tests::ean13_encode_as_bookland ... ok
[INFO] [stdout] test sym::ean13::tests::ean13_encode_as_upca ... ok
[INFO] [stdout] test sym::code39::tests::code39_encode_with_checksum ... ok
[INFO] [stdout] test sym::ean13::tests::invalid_data_ean13 ... ok
[INFO] [stdout] test sym::ean13::tests::invalid_len_ean13 ... ok
[INFO] [stdout] test sym::ean13::tests::new_bookland ... ok
[INFO] [stdout] test sym::code93::tests::code93_encode ... ok
[INFO] [stdout] test sym::ean8::tests::ean8_encode ... ok
[INFO] [stdout] test sym::ean_supp::tests::ean2_encode ... ok
[INFO] [stdout] test sym::ean8::tests::invalid_len_ean8 ... ok
[INFO] [stdout] test sym::code11::tests::invalid_data_code11 ... ok
[INFO] [stdout] test sym::codabar::tests::invalid_length_codabar ... ok
[INFO] [stdout] test sym::ean_supp::tests::ean5_encode ... ok
[INFO] [stdout] test sym::code128::tests::new_code128 ... ok
[INFO] [stdout] test sym::code128::tests::code128_encode_longhand ... ok
[INFO] [stdout] test sym::code128::tests::code128_encode ... ok
[INFO] [stdout] test sym::code11::tests::invalid_length_code11 ... ok
[INFO] [stdout] test sym::code11::tests::code11_encode_less_than_10_chars ... ok
[INFO] [stdout] test sym::code128::tests::invalid_data_code128 ... ok
[INFO] [stdout] test sym::ean13::tests::new_ean13 ... ok
[INFO] [stdout] test sym::ean8::tests::invalid_data_ean8 ... ok
[INFO] [stdout] test sym::code11::tests::code11_encode_more_than_10_chars ... ok
[INFO] [stdout] test sym::code39::tests::code39_encode ... ok
[INFO] [stdout] test sym::code128::tests::code128_encode_fnc_chars ... ok
[INFO] [stdout] test sym::ean8::tests::new_ean8 ... ok
[INFO] [stdout] test sym::code128::tests::invalid_length_code128 ... ok
[INFO] [stdout] test sym::code128::tests::code128_encode_special_chars ... ok
[INFO] [stdout] test sym::ean_supp::tests::invalid_len_ean2 ... ok
[INFO] [stdout] test sym::ean_supp::tests::new_ean5 ... ok
[INFO] [stdout] test sym::tf::tests::new_itf ... ok
[INFO] [stdout] test sym::tf::tests::stf_encode ... ok
[INFO] [stdout] test sym::tf::tests::new_stf ... ok
[INFO] [stdout] test sym::ean_supp::tests::invalid_data_ean2 ... ok
[INFO] [stdout] test sym::tf::tests::invalid_data_stf ... ok
[INFO] [stdout] test sym::tf::tests::itf_raw_data ... ok
[INFO] [stdout] test sym::ean_supp::tests::new_ean2 ... ok
[INFO] [stdout] test sym::tf::tests::itf_encode ... ok
[INFO] [stdout] test sym::tf::tests::invalid_data_itf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests barcoders
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/sym/mod.rs - sym (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5830947037d318fdf4ad9e9426a425d936c7dbba7d3e528a36c70de749200fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5830947037d318fdf4ad9e9426a425d936c7dbba7d3e528a36c70de749200fa", kill_on_drop: false }`
[INFO] [stdout] e5830947037d318fdf4ad9e9426a425d936c7dbba7d3e528a36c70de749200fa
