[INFO] fetching crate nom-peg 0.1.1... [INFO] checking nom-peg-0.1.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate nom-peg 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate nom-peg 0.1.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nom-peg 0.1.1 [INFO] finished tweaking crates.io crate nom-peg 0.1.1 [INFO] tweaked toml for crates.io crate nom-peg 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1813d4ac1beaf75d3e84714c0731f6334de79753f7308fa8e74abc3a033afc76 [INFO] running `Command { std: "docker" "start" "-a" "1813d4ac1beaf75d3e84714c0731f6334de79753f7308fa8e74abc3a033afc76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1813d4ac1beaf75d3e84714c0731f6334de79753f7308fa8e74abc3a033afc76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1813d4ac1beaf75d3e84714c0731f6334de79753f7308fa8e74abc3a033afc76", kill_on_drop: false }` [INFO] [stdout] 1813d4ac1beaf75d3e84714c0731f6334de79753f7308fa8e74abc3a033afc76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] faf1d7d4af6e3e85b17eb97d4e317b8ebee58029ef3efa32bb49e530bdac4c68 [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" "faf1d7d4af6e3e85b17eb97d4e317b8ebee58029ef3efa32bb49e530bdac4c68", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking proc-macro2 v0.4.30 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Checking nom-peg v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: suffixes on a tuple index are invalid [INFO] [stdout] --> tests/json.rs:25:16 [INFO] [stdout] | [INFO] [stdout] 25 | let json = grammar! { [INFO] [stdout] | ________________^ [INFO] [stdout] 26 | | parse: JsonValue = "=" [INFO] [stdout] 27 | | [INFO] [stdout] 28 | | num: f32 = ::recognize_float => { result.parse::().unwrap() } [INFO] [stdout] ... | [INFO] [stdout] 51 | | | boolean => { JsonValue::Boolean(result) } [INFO] [stdout] 52 | | }; [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 the macro `grammar` (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] --> tests/basic.rs:39:22 [INFO] [stdout] | [INFO] [stdout] 39 | let arithmetic = grammar! { [INFO] [stdout] | ______________________^ [INFO] [stdout] 40 | | parse: i64 = "=" [INFO] [stdout] 41 | | [INFO] [stdout] 42 | | expr: i64 = "+" => { l + r } [INFO] [stdout] ... | [INFO] [stdout] 51 | | | "(" ")" [INFO] [stdout] 52 | | }; [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 the macro `grammar` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:28:41 [INFO] [stdout] | [INFO] [stdout] 28 | num: f32 = ::recognize_float => { result.parse::().unwrap() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:32:36 [INFO] [stdout] | [INFO] [stdout] 32 | boolean: bool = "false" => { false } [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:33:35 [INFO] [stdout] | [INFO] [stdout] 33 | | "true" => { true } [INFO] [stdout] | ^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:47:36 [INFO] [stdout] | [INFO] [stdout] 47 | value: JsonValue = hash => { JsonValue::Object(result) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:48:37 [INFO] [stdout] | [INFO] [stdout] 48 | | array => { JsonValue::Array(result) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:49:38 [INFO] [stdout] | [INFO] [stdout] 49 | | string => { JsonValue::Str(String::from(result)) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:50:35 [INFO] [stdout] | [INFO] [stdout] 50 | | num => { JsonValue::Num(result) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/json.rs:51:39 [INFO] [stdout] | [INFO] [stdout] 51 | | boolean => { JsonValue::Boolean(result) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:42:51 [INFO] [stdout] | [INFO] [stdout] 42 | expr: i64 = "+" => { l + r } [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:43:51 [INFO] [stdout] | [INFO] [stdout] 43 | | "+" => { l - r } [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:46:55 [INFO] [stdout] | [INFO] [stdout] 46 | product: i64 = "*" => { l * r } [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:47:55 [INFO] [stdout] | [INFO] [stdout] 47 | | "/" => { l / r } [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:50:68 [INFO] [stdout] | [INFO] [stdout] 50 | value: i64 = ("0"|"1"|"2"|"3"|"4"|"5"|"6"|"7"|"8"|"9")+ => { result.join("").parse::().unwrap() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:77:28 [INFO] [stdout] | [INFO] [stdout] 77 | p = &"a"* "a"* => { "yay" } [INFO] [stdout] | ^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:78:38 [INFO] [stdout] | [INFO] [stdout] 78 | q: String = a ("b" | "c") => { result.0 } [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:79:22 [INFO] [stdout] | [INFO] [stdout] 79 | | a "d" => { result.0 } [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/basic.rs:81:29 [INFO] [stdout] | [INFO] [stdout] 81 | a: String = "a"* => { result.join("") } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.03s [INFO] running `Command { std: "docker" "inspect" "faf1d7d4af6e3e85b17eb97d4e317b8ebee58029ef3efa32bb49e530bdac4c68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faf1d7d4af6e3e85b17eb97d4e317b8ebee58029ef3efa32bb49e530bdac4c68", kill_on_drop: false }` [INFO] [stdout] faf1d7d4af6e3e85b17eb97d4e317b8ebee58029ef3efa32bb49e530bdac4c68