[INFO] fetching crate prefixopt 0.4.0...
[INFO] testing prefixopt-0.4.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate prefixopt 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate prefixopt 0.4.0
[INFO] finished tweaking crates.io crate prefixopt 0.4.0
[INFO] tweaked toml for crates.io crate prefixopt 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefixopt 0.4.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v0.2.0
[INFO] [stderr]   Downloaded map_in_place v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 303fa0ceafad0118ac2e3afa86ceadab666710da4fd5b2c59ba105384f407a17
[INFO] running `Command { std: "docker" "start" "-a" "303fa0ceafad0118ac2e3afa86ceadab666710da4fd5b2c59ba105384f407a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "303fa0ceafad0118ac2e3afa86ceadab666710da4fd5b2c59ba105384f407a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303fa0ceafad0118ac2e3afa86ceadab666710da4fd5b2c59ba105384f407a17", kill_on_drop: false }`
[INFO] [stdout] 303fa0ceafad0118ac2e3afa86ceadab666710da4fd5b2c59ba105384f407a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9a01da07f6a59ac9eb22ebf88649d987bbbda21f4ec308f6d6f6442aff37f4
[INFO] running `Command { std: "docker" "start" "-a" "ef9a01da07f6a59ac9eb22ebf88649d987bbbda21f4ec308f6d6f6442aff37f4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling scopeguard v0.2.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling map_in_place v0.1.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling prefixopt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self;
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 15 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self;
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 56 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:98:42
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 98 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/std_impl.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 13 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/std_impl.rs:39:42
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 39 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 80 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core.rs:9:69
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display))
[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/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] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &dyn Display))
[INFO] [stdout]   |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsable.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsable.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsable.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]     |                     ^^^^^     ^^^^
[INFO] [stdout]     |                     |         |
[INFO] [stdout]     |                     |         the same lifetime is hidden here
[INFO] [stdout]     |                     |         the same lifetime is hidden here
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args;
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args<'_>;
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/std_impl.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/std_impl.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/example_1.rs:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 53 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/example_1.rs:68:42
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 68 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bin/example_1.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bin/example_1.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "ef9a01da07f6a59ac9eb22ebf88649d987bbbda21f4ec308f6d6f6442aff37f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9a01da07f6a59ac9eb22ebf88649d987bbbda21f4ec308f6d6f6442aff37f4", kill_on_drop: false }`
[INFO] [stdout] ef9a01da07f6a59ac9eb22ebf88649d987bbbda21f4ec308f6d6f6442aff37f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e263b9fcac8b2c93f295ed02deed66e5f3638f46b052a480ace8824528554de4
[INFO] running `Command { std: "docker" "start" "-a" "e263b9fcac8b2c93f295ed02deed66e5f3638f46b052a480ace8824528554de4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self;
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 15 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self;
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 56 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:98:42
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 98 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/std_impl.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 13 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/std_impl.rs:39:42
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 39 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 80 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core.rs:9:69
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display))
[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/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] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &dyn Display))
[INFO] [stdout]   |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsable.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsable.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prefixopt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsable.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]     |                     ^^^^^     ^^^^
[INFO] [stdout]     |                     |         |
[INFO] [stdout]     |                     |         the same lifetime is hidden here
[INFO] [stdout]     |                     |         the same lifetime is hidden here
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args;
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args<'_>;
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/std_impl.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/std_impl.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/example_1.rs:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 53 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/example_1.rs:68:42
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 68 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bin/example_1.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bin/example_1.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/example_1.rs:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 53 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/example_1.rs:68:42
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 68 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bin/example_1.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bin/example_1.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self;
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 15 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self;
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 56 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:98:42
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 98 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/std_impl.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 13 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/std_impl.rs:39:42
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 39 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parsable.rs:80:42
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/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] 80 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/core.rs:9:69
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display))
[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/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] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &dyn Display))
[INFO] [stdout]   |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsable.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsable.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parsable.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]     |                     ^^^^^     ^^^^
[INFO] [stdout]     |                     |         |
[INFO] [stdout]     |                     |         the same lifetime is hidden here
[INFO] [stdout]     |                     |         the same lifetime is hidden here
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args;
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args<'_>;
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/std_impl.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/std_impl.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn as_arguments(&self) -> Args {
[INFO] [stdout]    |                     ^^^^^     ^^^^
[INFO] [stdout]    |                     |         |
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     |         the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e263b9fcac8b2c93f295ed02deed66e5f3638f46b052a480ace8824528554de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e263b9fcac8b2c93f295ed02deed66e5f3638f46b052a480ace8824528554de4", kill_on_drop: false }`
[INFO] [stdout] e263b9fcac8b2c93f295ed02deed66e5f3638f46b052a480ace8824528554de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24b2aac4404bf2d4ed45e892d1d357278d696cd120eb28d021a25eee83273875
[INFO] running `Command { std: "docker" "start" "-a" "24b2aac4404bf2d4ed45e892d1d357278d696cd120eb28d021a25eee83273875", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core.rs:15:42
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self;
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self;
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsable.rs:56:42
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsable.rs:98:42
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_impl.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/std_impl.rs:39:42
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsable.rs:80:42
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core.rs:9:69
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display))
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Self::Container::concat_prefix(&ConcatRef::from(&prefix as &dyn Display))
[INFO] [stderr]   |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parsable.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn as_arguments(&self) -> Args {
[INFO] [stderr]    |                     ^^^^^     ^^^^
[INFO] [stderr]    |                     |         |
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 59 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |                                   ++++
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]   --> src/parsable.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn as_arguments(&self) -> Args {
[INFO] [stderr]    |                     ^^^^^     ^^^^
[INFO] [stderr]    |                     |         |
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/parsable.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn as_arguments(&self) -> Args {
[INFO] [stderr]     |                     ^^^^^     ^^^^
[INFO] [stderr]     |                     |         |
[INFO] [stderr]     |                     |         the same lifetime is hidden here
[INFO] [stderr]     |                     |         the same lifetime is hidden here
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/core.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn as_arguments(&self) -> Args;
[INFO] [stderr]    |                     ^^^^^     ^^^^
[INFO] [stderr]    |                     |         |
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn as_arguments(&self) -> Args<'_>;
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/std_impl.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn as_arguments(&self) -> Args {
[INFO] [stderr]    |                     ^^^^^     ^^^^
[INFO] [stderr]    |                     |         |
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/std_impl.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn as_arguments(&self) -> Args {
[INFO] [stderr]    |                     ^^^^^     ^^^^
[INFO] [stderr]    |                     |         |
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stdout] 
[INFO] [stderr]    |                                   ++++
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `prefixopt` (lib) generated 13 warnings (run `cargo fix --lib -p prefixopt` to apply 13 suggestions)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `prefixopt` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> bin/example_1.rs:53:42
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> bin/example_1.rs:68:42
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self {
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn concat_prefix(prefix: &ConcatRef<&dyn Display>) -> Self {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> bin/example_1.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn as_arguments(&self) -> Args {
[INFO] [stderr]    |                     ^^^^^     ^^^^
[INFO] [stderr]    |                     |         |
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> bin/example_1.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn as_arguments(&self) -> Args {
[INFO] [stderr]    |                     ^^^^^     ^^^^
[INFO] [stderr]    |                     |         |
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     |         the same lifetime is hidden here
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn as_arguments(&self) -> Args<'_> {
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `prefixopt` (bin "example_1" test) generated 4 warnings (run `cargo fix --bin "example_1" -p prefixopt --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `prefixopt` (bin "example_1") generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefixopt-9c0888f3acf8413d)
[INFO] [stderr]      Running unittests bin/example_1.rs (/opt/rustwide/target/debug/deps/example_1-da55031f97eed869)
[INFO] [stderr]      Running tests/stdlib.rs (/opt/rustwide/target/debug/deps/stdlib-6eedd0eed4f01f35)
[INFO] [stderr]    Doc-tests prefixopt
[INFO] [stdout] test test_box_no_opt ... ok
[INFO] [stdout] test test_option_none ... ok
[INFO] [stdout] test test_box ... ok
[INFO] [stdout] test test_option_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "24b2aac4404bf2d4ed45e892d1d357278d696cd120eb28d021a25eee83273875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b2aac4404bf2d4ed45e892d1d357278d696cd120eb28d021a25eee83273875", kill_on_drop: false }`
[INFO] [stdout] 24b2aac4404bf2d4ed45e892d1d357278d696cd120eb28d021a25eee83273875
