[INFO] fetching crate lark-parser 0.1.0... [INFO] checking lark-parser-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate lark-parser 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate lark-parser 0.1.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88ee516308cfaf8b7c4303d68610db25e06bf77469e5f9b8b6db8e19c8ced149 [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" "88ee516308cfaf8b7c4303d68610db25e06bf77469e5f9b8b6db8e19c8ced149", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88ee516308cfaf8b7c4303d68610db25e06bf77469e5f9b8b6db8e19c8ced149", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88ee516308cfaf8b7c4303d68610db25e06bf77469e5f9b8b6db8e19c8ced149", kill_on_drop: false }` [INFO] [stdout] 88ee516308cfaf8b7c4303d68610db25e06bf77469e5f9b8b6db8e19c8ced149 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e0a08b1d5bf5050590005731deb206f4b4c3e6459ec18020ccda6ccaca69510 [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" "6e0a08b1d5bf5050590005731deb206f4b4c3e6459ec18020ccda6ccaca69510", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking lark-debug-with v0.1.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking render-tree v0.1.1 [INFO] [stderr] Checking lark-collections v0.1.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking lark-unify v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking lark-intern v0.1.0 [INFO] [stderr] Checking lark-string v0.1.0 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling lark-debug-derive v0.1.0 [INFO] [stderr] Checking url_serde v0.2.0 [INFO] [stderr] Checking salsa v0.9.2 [INFO] [stderr] Checking languageserver-types v0.53.1 [INFO] [stderr] Checking language-reporting v0.3.1 [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/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/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/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/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/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 1m 02s [INFO] running `Command { std: "docker" "inspect" "6e0a08b1d5bf5050590005731deb206f4b4c3e6459ec18020ccda6ccaca69510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e0a08b1d5bf5050590005731deb206f4b4c3e6459ec18020ccda6ccaca69510", kill_on_drop: false }` [INFO] [stdout] 6e0a08b1d5bf5050590005731deb206f4b4c3e6459ec18020ccda6ccaca69510