[INFO] fetching crate lalrpop-lambda 0.6.1... [INFO] checking lalrpop-lambda-0.6.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate lalrpop-lambda 0.6.1 into /workspace/builds/worker-31/source [INFO] validating manifest of crates.io crate lalrpop-lambda 0.6.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lalrpop-lambda 0.6.1 [INFO] finished tweaking crates.io crate lalrpop-lambda 0.6.1 [INFO] tweaked toml for crates.io crate lalrpop-lambda 0.6.1 written to /workspace/builds/worker-31/source/Cargo.toml [INFO] crate crates.io crate lalrpop-lambda 0.6.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d9f1118d666a48b72f5d96d7256e6d88490b42e61743b8bb3c1e50efbd588df [INFO] running `Command { std: "docker" "start" "-a" "1d9f1118d666a48b72f5d96d7256e6d88490b42e61743b8bb3c1e50efbd588df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d9f1118d666a48b72f5d96d7256e6d88490b42e61743b8bb3c1e50efbd588df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d9f1118d666a48b72f5d96d7256e6d88490b42e61743b8bb3c1e50efbd588df", kill_on_drop: false }` [INFO] [stdout] 1d9f1118d666a48b72f5d96d7256e6d88490b42e61743b8bb3c1e50efbd588df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 030a1d20d61885cad51351f873b660ccd95f6fd73160a8689a84179b6ef617fd [INFO] running `Command { std: "docker" "start" "-a" "030a1d20d61885cad51351f873b660ccd95f6fd73160a8689a84179b6ef617fd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.45 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling bumpalo v2.4.3 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling lalrpop-util v0.17.0 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling wasm-bindgen v0.2.45 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking walkdir v2.2.8 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.45 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.45 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.45 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking csv v1.0.7 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Compiling lalrpop v0.17.0 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] Compiling lalrpop-lambda v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: identifier pair considered confusable between `y` and `γ` [INFO] [stdout] --> src/macros.rs:144:14 [INFO] [stdout] | [INFO] [stdout] 144 | macro_rules! γ { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:347:51 [INFO] [stdout] | [INFO] [stdout] 347 | assert_eq!(set! { variable!(x), variable!(y) }, [INFO] [stdout] | - this is where the previous identifier occurred [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(confusable_idents)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:2949:5 [INFO] [stdout] | [INFO] [stdout] 2949 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:2960:5 [INFO] [stdout] | [INFO] [stdout] 2960 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3085:5 [INFO] [stdout] | [INFO] [stdout] 3085 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3096:5 [INFO] [stdout] | [INFO] [stdout] 3096 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3201:5 [INFO] [stdout] | [INFO] [stdout] 3201 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3235:5 [INFO] [stdout] | [INFO] [stdout] 3235 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: identifier pair considered confusable between `y` and `γ` [INFO] [stdout] --> src/macros.rs:144:14 [INFO] [stdout] | [INFO] [stdout] 144 | macro_rules! γ { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:347:51 [INFO] [stdout] | [INFO] [stdout] 347 | assert_eq!(set! { variable!(x), variable!(y) }, [INFO] [stdout] | - this is where the previous identifier occurred [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(confusable_idents)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:2949:5 [INFO] [stdout] | [INFO] [stdout] 2949 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:2960:5 [INFO] [stdout] | [INFO] [stdout] 2960 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3085:5 [INFO] [stdout] | [INFO] [stdout] 3085 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3096:5 [INFO] [stdout] | [INFO] [stdout] 3096 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3201:5 [INFO] [stdout] | [INFO] [stdout] 3201 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lalrpop-lambda-ff3a35bd5cd63fd0/out/parse.rs:3235:5 [INFO] [stdout] | [INFO] [stdout] 3235 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | #![feature(non_ascii_idents, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: identifier pair considered confusable between `γ` and `y` [INFO] [stdout] --> examples/macros.rs:45:27 [INFO] [stdout] | [INFO] [stdout] 27 | let one = λ!{f.λ!{x.γ!(f, x)}}; [INFO] [stdout] | - this is where the previous identifier occurred [INFO] [stdout] ... [INFO] [stdout] 45 | println!("{}", abs!{x y.app!(x,y)}); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(confusable_idents)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/y.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(non_ascii_idents)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/encode.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(non_ascii_idents, box_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/macros.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(non_ascii_idents, box_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/parse.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(non_ascii_idents)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/env.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(non_ascii_idents, box_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | #![feature(non_ascii_idents, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 56s [INFO] running `Command { std: "docker" "inspect" "030a1d20d61885cad51351f873b660ccd95f6fd73160a8689a84179b6ef617fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "030a1d20d61885cad51351f873b660ccd95f6fd73160a8689a84179b6ef617fd", kill_on_drop: false }` [INFO] [stdout] 030a1d20d61885cad51351f873b660ccd95f6fd73160a8689a84179b6ef617fd