[INFO] fetching crate nop-json-derive 2.0.5... [INFO] testing nop-json-derive-2.0.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate nop-json-derive 2.0.5 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate nop-json-derive 2.0.5 [INFO] finished tweaking crates.io crate nop-json-derive 2.0.5 [INFO] tweaked toml for crates.io crate nop-json-derive 2.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nop-json-derive 2.0.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.117) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ac47c5d68d1fb8ae37430259eda723ee6ffd44c1a55811bed15e79c7754e0bb [INFO] running `Command { std: "docker" "start" "-a" "9ac47c5d68d1fb8ae37430259eda723ee6ffd44c1a55811bed15e79c7754e0bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ac47c5d68d1fb8ae37430259eda723ee6ffd44c1a55811bed15e79c7754e0bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ac47c5d68d1fb8ae37430259eda723ee6ffd44c1a55811bed15e79c7754e0bb", kill_on_drop: false }` [INFO] [stdout] 9ac47c5d68d1fb8ae37430259eda723ee6ffd44c1a55811bed15e79c7754e0bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 455b5f24a2f3ad56d18964a364e6332c5f0a8d4028b1233b395e8ec1797a731e [INFO] running `Command { std: "docker" "start" "-a" "455b5f24a2f3ad56d18964a364e6332c5f0a8d4028b1233b395e8ec1797a731e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling nop-json-derive v2.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | fn escape(s: &str) -> Cow [INFO] [stdout] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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] 15 | fn escape(s: &str) -> Cow<'_, str> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:676:41 [INFO] [stdout] | [INFO] [stdout] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics, TypeGenerics, proc_macro2::TokenStream) [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [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] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics<'_>, TypeGenerics<'_>, proc_macro2::TokenStream) [INFO] [stdout] | ++++ ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:704:41 [INFO] [stdout] | [INFO] [stdout] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics<'_>, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s [INFO] running `Command { std: "docker" "inspect" "455b5f24a2f3ad56d18964a364e6332c5f0a8d4028b1233b395e8ec1797a731e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "455b5f24a2f3ad56d18964a364e6332c5f0a8d4028b1233b395e8ec1797a731e", kill_on_drop: false }` [INFO] [stdout] 455b5f24a2f3ad56d18964a364e6332c5f0a8d4028b1233b395e8ec1797a731e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42f531e78308963d06b6a202f9d0590f3b3c6f07f3d0710a5702952fa7487185 [INFO] running `Command { std: "docker" "start" "-a" "42f531e78308963d06b6a202f9d0590f3b3c6f07f3d0710a5702952fa7487185", kill_on_drop: false }` [INFO] [stderr] Compiling nop-json-derive v2.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | fn escape(s: &str) -> Cow [INFO] [stdout] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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] 15 | fn escape(s: &str) -> Cow<'_, str> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:676:41 [INFO] [stdout] | [INFO] [stdout] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics, TypeGenerics, proc_macro2::TokenStream) [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [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] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics<'_>, TypeGenerics<'_>, proc_macro2::TokenStream) [INFO] [stdout] | ++++ ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:704:41 [INFO] [stdout] | [INFO] [stdout] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics<'_>, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | fn escape(s: &str) -> Cow [INFO] [stdout] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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] 15 | fn escape(s: &str) -> Cow<'_, str> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:676:41 [INFO] [stdout] | [INFO] [stdout] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics, TypeGenerics, proc_macro2::TokenStream) [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [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] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics<'_>, TypeGenerics<'_>, proc_macro2::TokenStream) [INFO] [stdout] | ++++ ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:704:41 [INFO] [stdout] | [INFO] [stdout] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics<'_>, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "42f531e78308963d06b6a202f9d0590f3b3c6f07f3d0710a5702952fa7487185", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42f531e78308963d06b6a202f9d0590f3b3c6f07f3d0710a5702952fa7487185", kill_on_drop: false }` [INFO] [stdout] 42f531e78308963d06b6a202f9d0590f3b3c6f07f3d0710a5702952fa7487185 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2a5695e86e73b9f80f0c5dae5961d65bb4754d8db3811d243cc8cb53fae6a656 [INFO] running `Command { std: "docker" "start" "-a" "2a5695e86e73b9f80f0c5dae5961d65bb4754d8db3811d243cc8cb53fae6a656", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:15:14 [INFO] [stderr] | [INFO] [stderr] 15 | fn escape(s: &str) -> Cow [INFO] [stderr] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [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] 15 | fn escape(s: &str) -> Cow<'_, str> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:676:41 [INFO] [stderr] | [INFO] [stderr] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics, TypeGenerics, proc_macro2::TokenStream) [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | | [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] 676 | fn get_generics_debug_to_json(generics: &Generics) -> (ImplGenerics<'_>, TypeGenerics<'_>, proc_macro2::TokenStream) [INFO] [stderr] | ++++ ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:704:41 [INFO] [stderr] | [INFO] [stderr] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [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] 704 | fn get_generics_write_to_json(generics: &mut Generics) -> (ImplGenerics<'_>, proc_macro2::TokenStream, proc_macro2::TokenStream) [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `nop-json-derive` (lib) generated 3 warnings (run `cargo fix --lib -p nop-json-derive` to apply 3 suggestions) [INFO] [stderr] warning: `nop-json-derive` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nop_json_derive-0a4418c5da99664d) [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] [stderr] Doc-tests nop_json_derive [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" "2a5695e86e73b9f80f0c5dae5961d65bb4754d8db3811d243cc8cb53fae6a656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a5695e86e73b9f80f0c5dae5961d65bb4754d8db3811d243cc8cb53fae6a656", kill_on_drop: false }` [INFO] [stdout] 2a5695e86e73b9f80f0c5dae5961d65bb4754d8db3811d243cc8cb53fae6a656