[INFO] fetching crate tsv 0.1.1... [INFO] checking tsv-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tsv 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate tsv 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tsv 0.1.1 [INFO] finished tweaking crates.io crate tsv 0.1.1 [INFO] tweaked toml for crates.io crate tsv 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages [INFO] [stderr] Adding indexed v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding proc-macro2 v0.2.3 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.4.2 (latest: v1.0.35) [INFO] [stderr] Adding serde_derive_internals v0.21.0 (latest: v0.29.0) [INFO] [stderr] Adding syn v0.12.15 (latest: v2.0.58) [INFO] [stderr] Adding trees v0.2.1 (latest: v0.4.2) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v0.2.3 [INFO] [stderr] Downloaded trees v0.2.1 [INFO] [stderr] Downloaded reflection v0.1.3 [INFO] [stderr] Downloaded reflection_derive v0.1.1 [INFO] [stderr] Downloaded quote v0.4.2 [INFO] [stderr] Downloaded indexed v0.1.1 [INFO] [stderr] Downloaded serde_derive_internals v0.21.0 [INFO] [stderr] Downloaded syn v0.12.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8b75c856ce5dd7e7f7cfd388dfc8b37fdc56222ca5f4777b8c324d7ab838e59 [INFO] running `Command { std: "docker" "start" "-a" "c8b75c856ce5dd7e7f7cfd388dfc8b37fdc56222ca5f4777b8c324d7ab838e59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8b75c856ce5dd7e7f7cfd388dfc8b37fdc56222ca5f4777b8c324d7ab838e59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8b75c856ce5dd7e7f7cfd388dfc8b37fdc56222ca5f4777b8c324d7ab838e59", kill_on_drop: false }` [INFO] [stdout] c8b75c856ce5dd7e7f7cfd388dfc8b37fdc56222ca5f4777b8c324d7ab838e59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfd9b749ddebe370ec444394a1e66cb09da4ab35111addd006d9618807f0538c [INFO] running `Command { std: "docker" "start" "-a" "cfd9b749ddebe370ec444394a1e66cb09da4ab35111addd006d9618807f0538c", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking indexed v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking trees v0.2.1 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling serde_derive_internals v0.21.0 [INFO] [stderr] Checking reflection v0.1.3 [INFO] [stderr] Compiling reflection_derive v0.1.1 [INFO] [stderr] Checking tsv v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:60 [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &::serde::de::Expected ) -> 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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &dyn (::serde::de::Expected) ) -> Self { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Reflection` is imported redundantly [INFO] [stdout] --> src/ser.rs:427:9 [INFO] [stdout] | [INFO] [stdout] 425 | use super::*; [INFO] [stdout] | -------- the item `Reflection` is already imported here [INFO] [stdout] 426 | use ::fs::read_file; [INFO] [stdout] 427 | use reflection::Reflection; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/ser.rs:500:76 [INFO] [stdout] | [INFO] [stdout] 500 | struct S{ b: bool, vs: Vec<&'static str>, i: i32, s: &'static str }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/de.rs:660:66 [INFO] [stdout] | [INFO] [stdout] 660 | struct Wrapper<'a>{ #[serde(borrow)] ts: TestStruct<'a> }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/de.rs:721:10 [INFO] [stdout] | [INFO] [stdout] 721 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:60 [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &::serde::de::Expected ) -> 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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &dyn (::serde::de::Expected) ) -> Self { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.34s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "cfd9b749ddebe370ec444394a1e66cb09da4ab35111addd006d9618807f0538c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfd9b749ddebe370ec444394a1e66cb09da4ab35111addd006d9618807f0538c", kill_on_drop: false }` [INFO] [stdout] cfd9b749ddebe370ec444394a1e66cb09da4ab35111addd006d9618807f0538c [INFO] checking tsv-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate tsv 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate tsv 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tsv 0.1.1 [INFO] finished tweaking crates.io crate tsv 0.1.1 [INFO] tweaked toml for crates.io crate tsv 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37b3462bfa725a6ff7631bbe70c972af23082bb4b75a192602f99f507330106a [INFO] running `Command { std: "docker" "start" "-a" "37b3462bfa725a6ff7631bbe70c972af23082bb4b75a192602f99f507330106a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37b3462bfa725a6ff7631bbe70c972af23082bb4b75a192602f99f507330106a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37b3462bfa725a6ff7631bbe70c972af23082bb4b75a192602f99f507330106a", kill_on_drop: false }` [INFO] [stdout] 37b3462bfa725a6ff7631bbe70c972af23082bb4b75a192602f99f507330106a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e7d82177eccc35d2061382e9ff9a540d73834c89ec9fb2149cffc1f9b37f8e2 [INFO] running `Command { std: "docker" "start" "-a" "3e7d82177eccc35d2061382e9ff9a540d73834c89ec9fb2149cffc1f9b37f8e2", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking indexed v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking trees v0.2.1 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling serde_derive_internals v0.21.0 [INFO] [stderr] Checking reflection v0.1.3 [INFO] [stderr] Compiling reflection_derive v0.1.1 [INFO] [stderr] Checking tsv v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:60 [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &::serde::de::Expected ) -> 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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &dyn (::serde::de::Expected) ) -> Self { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Reflection` is imported redundantly [INFO] [stdout] --> src/ser.rs:427:9 [INFO] [stdout] | [INFO] [stdout] 425 | use super::*; [INFO] [stdout] | -------- the item `Reflection` is already imported here [INFO] [stdout] 426 | use ::fs::read_file; [INFO] [stdout] 427 | use reflection::Reflection; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/ser.rs:500:76 [INFO] [stdout] | [INFO] [stdout] 500 | struct S{ b: bool, vs: Vec<&'static str>, i: i32, s: &'static str }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/de.rs:660:66 [INFO] [stdout] | [INFO] [stdout] 660 | struct Wrapper<'a>{ #[serde(borrow)] ts: TestStruct<'a> }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/de.rs:721:10 [INFO] [stdout] | [INFO] [stdout] 721 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:123:60 [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &::serde::de::Expected ) -> 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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | fn invalid_type( unexp: ::serde::de::Unexpected, exp: &dyn (::serde::de::Expected) ) -> Self { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.68s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "3e7d82177eccc35d2061382e9ff9a540d73834c89ec9fb2149cffc1f9b37f8e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e7d82177eccc35d2061382e9ff9a540d73834c89ec9fb2149cffc1f9b37f8e2", kill_on_drop: false }` [INFO] [stdout] 3e7d82177eccc35d2061382e9ff9a540d73834c89ec9fb2149cffc1f9b37f8e2