[INFO] fetching crate nop-json-derive 2.0.5... [INFO] checking nop-json-derive-2.0.5 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [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 a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21e67084ef53eaf70b99109d25945fccff36fdb85849bfec7a6eeea993dbc368 [INFO] running `Command { std: "docker" "start" "-a" "21e67084ef53eaf70b99109d25945fccff36fdb85849bfec7a6eeea993dbc368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21e67084ef53eaf70b99109d25945fccff36fdb85849bfec7a6eeea993dbc368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21e67084ef53eaf70b99109d25945fccff36fdb85849bfec7a6eeea993dbc368", kill_on_drop: false }` [INFO] [stdout] 21e67084ef53eaf70b99109d25945fccff36fdb85849bfec7a6eeea993dbc368 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ebcdcf3d60ed2094b61f9063af040f0f4a93bafceb9fdca04f4450df10555eb [INFO] running `Command { std: "docker" "start" "-a" "2ebcdcf3d60ed2094b61f9063af040f0f4a93bafceb9fdca04f4450df10555eb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Checking unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 3.55s [INFO] running `Command { std: "docker" "inspect" "2ebcdcf3d60ed2094b61f9063af040f0f4a93bafceb9fdca04f4450df10555eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ebcdcf3d60ed2094b61f9063af040f0f4a93bafceb9fdca04f4450df10555eb", kill_on_drop: false }` [INFO] [stdout] 2ebcdcf3d60ed2094b61f9063af040f0f4a93bafceb9fdca04f4450df10555eb