[INFO] fetching crate lark-parser 0.1.0... [INFO] checking lark-parser-0.1.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991 [INFO] extracting crate lark-parser 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate lark-parser 0.1.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lark-parser 0.1.0 [INFO] finished tweaking crates.io crate lark-parser 0.1.0 [INFO] tweaked toml for crates.io crate lark-parser 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51fe1778c197f14a16f2deef92960f16fda89dea8897101dbbf6a1b89e411905 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "51fe1778c197f14a16f2deef92960f16fda89dea8897101dbbf6a1b89e411905", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51fe1778c197f14a16f2deef92960f16fda89dea8897101dbbf6a1b89e411905", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51fe1778c197f14a16f2deef92960f16fda89dea8897101dbbf6a1b89e411905", kill_on_drop: false }` [INFO] [stdout] 51fe1778c197f14a16f2deef92960f16fda89dea8897101dbbf6a1b89e411905 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ebecaef755dc08c1ffcbd15a6213e5b638f3ae4aae7b4ad24ffe5920c84bf68 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7ebecaef755dc08c1ffcbd15a6213e5b638f3ae4aae7b4ad24ffe5920c84bf68", kill_on_drop: false }` [INFO] [stderr] Checking unindent v0.1.7 [INFO] [stderr] Checking url_serde v0.2.0 [INFO] [stderr] Checking language-reporting v0.3.1 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Checking languageserver-types v0.53.1 [INFO] [stderr] Checking lark-span v0.1.0 [INFO] [stderr] Checking lark-error v0.1.0 [INFO] [stderr] Checking lark-entity v0.1.0 [INFO] [stderr] Checking lark-ty v0.1.0 [INFO] [stderr] Checking lark-hir v0.1.0 [INFO] [stderr] Checking lark-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/delimited.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/delimited.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/guard.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/list.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/guard.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/list.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/list.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/list.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/matched.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/matched.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/skip_newline.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> src/syntax/skip_newline.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(DebugWith)] [INFO] [stdout] | ^^^^^^^^^ invalid suffix `usize` [INFO] [stdout] | [INFO] [stdout] = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases [INFO] [stdout] = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access [INFO] [stdout] = note: see issue #60210 for more information [INFO] [stdout] = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.34s [INFO] running `Command { std: "docker" "inspect" "7ebecaef755dc08c1ffcbd15a6213e5b638f3ae4aae7b4ad24ffe5920c84bf68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ebecaef755dc08c1ffcbd15a6213e5b638f3ae4aae7b4ad24ffe5920c84bf68", kill_on_drop: false }` [INFO] [stdout] 7ebecaef755dc08c1ffcbd15a6213e5b638f3ae4aae7b4ad24ffe5920c84bf68