[INFO] updating cached repository https://github.com/Nyrox/need-to-find-name-for-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed558dd0523e9c41a462b50212442761887dee53
[INFO] checking Nyrox/need-to-find-name-for-lang against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fneed-to-find-name-for-lang" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nyrox/need-to-find-name-for-lang on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nyrox/need-to-find-name-for-lang
[INFO] finished tweaking git repo https://github.com/Nyrox/need-to-find-name-for-lang
[INFO] tweaked toml for git repo https://github.com/Nyrox/need-to-find-name-for-lang written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Nyrox/need-to-find-name-for-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be90a5ff477a6a955502f38a6816d99b1f85eabd2d68de091e80eb8c77ae417a
[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" "be90a5ff477a6a955502f38a6816d99b1f85eabd2d68de091e80eb8c77ae417a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be90a5ff477a6a955502f38a6816d99b1f85eabd2d68de091e80eb8c77ae417a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be90a5ff477a6a955502f38a6816d99b1f85eabd2d68de091e80eb8c77ae417a", kill_on_drop: false }`
[INFO] [stdout] be90a5ff477a6a955502f38a6816d99b1f85eabd2d68de091e80eb8c77ae417a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 794a424ee3c752fbf37be702c1b28800cf16cf4ca0e38175768e5abc11483d8f
[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" "794a424ee3c752fbf37be702c1b28800cf16cf4ca0e38175768e5abc11483d8f", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling lalrpop-util v0.16.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
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[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking walkdir v2.2.6
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking itertools-num v0.1.2
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[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking clap v2.32.0
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[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.15.16
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]    Compiling generic-array v0.12.0
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[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]    Compiling lalrpop v0.16.1
[INFO] [stderr]    Compiling lang-rs-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2784:5
[INFO] [stdout]      |
[INFO] [stdout] 2784 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2806:5
[INFO] [stdout]      |
[INFO] [stdout] 2806 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2784:5
[INFO] [stdout]      |
[INFO] [stdout] 2784 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2806:5
[INFO] [stdout]      |
[INFO] [stdout] 2806 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2867:5
[INFO] [stdout]      |
[INFO] [stdout] 2867 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2878:5
[INFO] [stdout]      |
[INFO] [stdout] 2878 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2995:5
[INFO] [stdout]      |
[INFO] [stdout] 2995 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3017:5
[INFO] [stdout]      |
[INFO] [stdout] 3017 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3067:5
[INFO] [stdout]      |
[INFO] [stdout] 3067 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3116:5
[INFO] [stdout]      |
[INFO] [stdout] 3116 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3225:5
[INFO] [stdout]      |
[INFO] [stdout] 3225 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3384:5
[INFO] [stdout]      |
[INFO] [stdout] 3384 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3442:5
[INFO] [stdout]      |
[INFO] [stdout] 3442 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2867:5
[INFO] [stdout]      |
[INFO] [stdout] 2867 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2878:5
[INFO] [stdout]      |
[INFO] [stdout] 2878 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2995:5
[INFO] [stdout]      |
[INFO] [stdout] 2995 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3017:5
[INFO] [stdout]      |
[INFO] [stdout] 3017 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3067:5
[INFO] [stdout]      |
[INFO] [stdout] 3067 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3116:5
[INFO] [stdout]      |
[INFO] [stdout] 3116 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3225:5
[INFO] [stdout]      |
[INFO] [stdout] 3225 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3384:5
[INFO] [stdout]      |
[INFO] [stdout] 3384 |     (__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/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:3442:5
[INFO] [stdout]      |
[INFO] [stdout] 3442 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2737:36
[INFO] [stdout]      |
[INFO] [stdout] 2737 |             let __text = self.text.trim_left();
[INFO] [stdout]      |                                    ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/lang-rs-stack-23f83c689d8170bf/out/grammar.rs:2737:36
[INFO] [stdout]      |
[INFO] [stdout] 2737 |             let __text = self.text.trim_left();
[INFO] [stdout]      |                                    ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 29s
[INFO] running `Command { std: "docker" "inspect" "794a424ee3c752fbf37be702c1b28800cf16cf4ca0e38175768e5abc11483d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794a424ee3c752fbf37be702c1b28800cf16cf4ca0e38175768e5abc11483d8f", kill_on_drop: false }`
[INFO] [stdout] 794a424ee3c752fbf37be702c1b28800cf16cf4ca0e38175768e5abc11483d8f