[INFO] fetching crate tsplib 0.1.0...
[INFO] fixing tsplib-0.1.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate tsplib 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tsplib 0.1.0
[INFO] finished tweaking crates.io crate tsplib 0.1.0
[INFO] tweaked toml for crates.io crate tsplib 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tsplib 0.1.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tsplib` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc
[INFO] running `Command { std: "docker" "start" "4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tsplib` (manifest) generated 1 warning
[INFO] [stderr]     Checking tsplib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2015 edition to 2018
[INFO] [stderr]        Fixed src/lib.rs (11 fixes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr] crater-edition-check: tsplib v0.1.0 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]     Checking tsplib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:442:28
[INFO] [stdout]     |
[INFO] [stdout] 442 |           T::Err: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 442 |           T::Err: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:467:28
[INFO] [stdout]     |
[INFO] [stdout] 467 |           T::Err: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 467 |           T::Err: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:487:28
[INFO] [stdout]     |
[INFO] [stdout] 487 |           T::Err: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |           T::Err: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:512:23
[INFO] [stdout]     |
[INFO] [stdout] 512 |     where E: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 512 |     where E: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:518:46
[INFO] [stdout]     |
[INFO] [stdout] 518 |     fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>>;
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 518 |     fn from_str(s: &str) -> Result<Self, Box<dyn Error + Send + Sync>>;
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:442:28
[INFO] [stdout]     |
[INFO] [stdout] 442 |           T::Err: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 442 |           T::Err: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:467:28
[INFO] [stdout]     |
[INFO] [stdout] 467 |           T::Err: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 467 |           T::Err: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:487:28
[INFO] [stdout]     |
[INFO] [stdout] 487 |           T::Err: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |           T::Err: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:512:23
[INFO] [stdout]     |
[INFO] [stdout] 512 |     where E: Into<Box<Error + Send + Sync>>
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 512 |     where E: Into<Box<dyn Error + Send + Sync>>
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:518:46
[INFO] [stdout]     |
[INFO] [stdout] 518 |     fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>>;
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 518 |     fn from_str(s: &str) -> Result<Self, Box<dyn Error + Send + Sync>>;
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking tsplib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (5 fixes)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] crater-edition-check: tsplib v0.1.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking tsplib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | impl_from_str!(A, B);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 549 | impl_from_str!(A, B, C);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:524:52
[INFO] [stdout]     |
[INFO] [stdout] 524 |             where $($T: FromStr, $T::Err: Into<Box<Error + Send + Sync>>),*
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]    --> src/lib.rs:527:54
[INFO] [stdout]     |
[INFO] [stdout] 527 |             fn from_str(s: &str) -> Result<Self, Box<Error + Send + Sync>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | impl_from_str!(A, B, C, D);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_from_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tsplib` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tsplib` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc", kill_on_drop: false }`
[INFO] [stdout] 4082f784074a6f6f9a20ea1e435c3d487889e5072d28f2381ecd8c27dab212bc
