[INFO] fetching crate nop-json-derive 2.0.5... [INFO] testing nop-json-derive-2.0.5 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate nop-json-derive 2.0.5 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate nop-json-derive 2.0.5 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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: v2.0.106) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a887a8f8cc96f1d9fd19a566a9bca8e136a516df45265eac6a5acf5e5fd318c [INFO] running `Command { std: "docker" "start" "-a" "5a887a8f8cc96f1d9fd19a566a9bca8e136a516df45265eac6a5acf5e5fd318c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a887a8f8cc96f1d9fd19a566a9bca8e136a516df45265eac6a5acf5e5fd318c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a887a8f8cc96f1d9fd19a566a9bca8e136a516df45265eac6a5acf5e5fd318c", kill_on_drop: false }` [INFO] [stdout] 5a887a8f8cc96f1d9fd19a566a9bca8e136a516df45265eac6a5acf5e5fd318c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 427df945c50916433ad11a53c18009be3d38ae96f7439aa6d587da70dafd638c [INFO] running `Command { std: "docker" "start" "-a" "427df945c50916433ad11a53c18009be3d38ae96f7439aa6d587da70dafd638c", 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 3.78s [INFO] running `Command { std: "docker" "inspect" "427df945c50916433ad11a53c18009be3d38ae96f7439aa6d587da70dafd638c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "427df945c50916433ad11a53c18009be3d38ae96f7439aa6d587da70dafd638c", kill_on_drop: false }` [INFO] [stdout] 427df945c50916433ad11a53c18009be3d38ae96f7439aa6d587da70dafd638c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d60fe2e9500f201f6ec2d17d438e8dc324f054e06c7ee2cd50b65c7a558b5bc [INFO] running `Command { std: "docker" "start" "-a" "6d60fe2e9500f201f6ec2d17d438e8dc324f054e06c7ee2cd50b65c7a558b5bc", 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 1.17s [INFO] running `Command { std: "docker" "inspect" "6d60fe2e9500f201f6ec2d17d438e8dc324f054e06c7ee2cd50b65c7a558b5bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d60fe2e9500f201f6ec2d17d438e8dc324f054e06c7ee2cd50b65c7a558b5bc", kill_on_drop: false }` [INFO] [stdout] 6d60fe2e9500f201f6ec2d17d438e8dc324f054e06c7ee2cd50b65c7a558b5bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d6249213b8b8b3c0a397106421d87b78e74401379a1307c9d1ac102d73d8adc3 [INFO] running `Command { std: "docker" "start" "-a" "d6249213b8b8b3c0a397106421d87b78e74401379a1307c9d1ac102d73d8adc3", 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 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nop_json_derive-5cbd794c3b05bdb8) [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" "d6249213b8b8b3c0a397106421d87b78e74401379a1307c9d1ac102d73d8adc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6249213b8b8b3c0a397106421d87b78e74401379a1307c9d1ac102d73d8adc3", kill_on_drop: false }` [INFO] [stdout] d6249213b8b8b3c0a397106421d87b78e74401379a1307c9d1ac102d73d8adc3