[INFO] cloning repository https://github.com/Michael-F-Bryan/iec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael-F-Bryan/iec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fiec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fiec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8c4106cb116776f70f5fda6b7c30d98909a60b8
[INFO] checking Michael-F-Bryan/iec against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fiec" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/iec 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 git repo https://github.com/Michael-F-Bryan/iec
[INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/iec
[INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/iec written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael-F-Bryan/iec 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 56a138d571f990d9ff164fca1cff1ca61b928161ff3082b74764535822644822
[INFO] running `Command { std: "docker" "start" "-a" "56a138d571f990d9ff164fca1cff1ca61b928161ff3082b74764535822644822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a138d571f990d9ff164fca1cff1ca61b928161ff3082b74764535822644822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a138d571f990d9ff164fca1cff1ca61b928161ff3082b74764535822644822", kill_on_drop: false }`
[INFO] [stdout] 56a138d571f990d9ff164fca1cff1ca61b928161ff3082b74764535822644822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 8e3e21f635a50a1092b841e141fab16df0098d39149aab5329fe307b6a336328
[INFO] running `Command { std: "docker" "start" "-a" "8e3e21f635a50a1092b841e141fab16df0098d39149aab5329fe307b6a336328", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling regex v1.1.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking sum_type v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking termcolor v1.0.4
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[INFO] [stderr]     Checking itoa v0.4.3
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[INFO] [stderr]    Compiling block-padding v0.1.3
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[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
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[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 backtrace v0.3.14
[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling synstructure v0.5.2
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling heapsize_derive v0.1.4
[INFO] [stderr]    Compiling typename_derive v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking typename v0.1.0
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling slog_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]     Checking codespan v0.2.1
[INFO] [stderr]     Checking codespan-reporting v0.2.1
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling iec_syntax v0.1.0 (/opt/rustwide/workdir/syntax)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64164:5
[INFO] [stdout]       |
[INFO] [stdout] 64164 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64175:5
[INFO] [stdout]       |
[INFO] [stdout] 64175 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64186:5
[INFO] [stdout]       |
[INFO] [stdout] 64186 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64197:5
[INFO] [stdout]       |
[INFO] [stdout] 64197 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64208:5
[INFO] [stdout]       |
[INFO] [stdout] 64208 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64219:5
[INFO] [stdout]       |
[INFO] [stdout] 64219 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64230:5
[INFO] [stdout]       |
[INFO] [stdout] 64230 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64241:5
[INFO] [stdout]       |
[INFO] [stdout] 64241 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64252:5
[INFO] [stdout]       |
[INFO] [stdout] 64252 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64263:5
[INFO] [stdout]       |
[INFO] [stdout] 64263 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64274:5
[INFO] [stdout]       |
[INFO] [stdout] 64274 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64285:5
[INFO] [stdout]       |
[INFO] [stdout] 64285 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65150:5
[INFO] [stdout]       |
[INFO] [stdout] 65150 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65285:5
[INFO] [stdout]       |
[INFO] [stdout] 65285 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65343:5
[INFO] [stdout]       |
[INFO] [stdout] 65343 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65397:5
[INFO] [stdout]       |
[INFO] [stdout] 65397 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65640:5
[INFO] [stdout]       |
[INFO] [stdout] 65640 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64164:5
[INFO] [stdout]       |
[INFO] [stdout] 64164 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64175:5
[INFO] [stdout]       |
[INFO] [stdout] 64175 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64186:5
[INFO] [stdout]       |
[INFO] [stdout] 64186 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64197:5
[INFO] [stdout]       |
[INFO] [stdout] 64197 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64208:5
[INFO] [stdout]       |
[INFO] [stdout] 64208 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64219:5
[INFO] [stdout]       |
[INFO] [stdout] 64219 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64230:5
[INFO] [stdout]       |
[INFO] [stdout] 64230 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64241:5
[INFO] [stdout]       |
[INFO] [stdout] 64241 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64252:5
[INFO] [stdout]       |
[INFO] [stdout] 64252 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64263:5
[INFO] [stdout]       |
[INFO] [stdout] 64263 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64274:5
[INFO] [stdout]       |
[INFO] [stdout] 64274 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:64285:5
[INFO] [stdout]       |
[INFO] [stdout] 64285 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65150:5
[INFO] [stdout]       |
[INFO] [stdout] 65150 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65285:5
[INFO] [stdout]       |
[INFO] [stdout] 65285 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65343:5
[INFO] [stdout]       |
[INFO] [stdout] 65343 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65397:5
[INFO] [stdout]       |
[INFO] [stdout] 65397 |     (__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/iec_syntax-a56962b4aab4ebd3/out/grammar.rs:65640:5
[INFO] [stdout]       |
[INFO] [stdout] 65640 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking iec v0.1.0 (/opt/rustwide/workdir/iec)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |     items: HashMap<TypeId, Box<Any>>,
[INFO] [stdout]     |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:101:37
[INFO] [stdout]     |
[INFO] [stdout] 101 |     singletons: HashMap<TypeId, Box<Any>>,
[INFO] [stdout]     |                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:123:59
[INFO] [stdout]     |
[INFO] [stdout] 123 |         self.items.insert(type_id, boxed_container as Box<Any>);
[INFO] [stdout]     |                                                           ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:272:37
[INFO] [stdout]     |
[INFO] [stdout] 272 |     container: &HashMap<TypeId, Box<Any>>,
[INFO] [stdout]     |                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         * (size_of::<Box<Any>>() + size_of::<TypeId>() + size_of::<usize>());
[INFO] [stdout]     |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |     items: HashMap<TypeId, Box<Any>>,
[INFO] [stdout]     |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:101:37
[INFO] [stdout]     |
[INFO] [stdout] 101 |     singletons: HashMap<TypeId, Box<Any>>,
[INFO] [stdout]     |                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:123:59
[INFO] [stdout]     |
[INFO] [stdout] 123 |         self.items.insert(type_id, boxed_container as Box<Any>);
[INFO] [stdout]     |                                                           ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:272:37
[INFO] [stdout]     |
[INFO] [stdout] 272 |     container: &HashMap<TypeId, Box<Any>>,
[INFO] [stdout]     |                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> iec/src/ecs.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         * (size_of::<Box<Any>>() + size_of::<TypeId>() + size_of::<usize>());
[INFO] [stdout]     |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     parent: Symbol,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     body: &[iec_syntax::Statement],
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variables`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     variables: &Container<Variable>,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variables`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `types`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     types: &Container<Type>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diags`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     diags: &mut Diagnostics,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_diags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `programs`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_programs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instructions`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instructions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:69
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |                                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_block`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let entry_block = to_basic_blocks(
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entry_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     parent: Symbol,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     body: &[iec_syntax::Statement],
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variables`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     variables: &Container<Variable>,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variables`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `types`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     types: &Container<Type>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diags`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     diags: &mut Diagnostics,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_diags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `programs`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_programs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instructions`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instructions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:69
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |                                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_block`
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let entry_block = to_basic_blocks(
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entry_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |              ----^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> iec/src/passes/basic_blocks.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut programs, variables, symbols, types, instructions, blocks) =
[INFO] [stdout]    |              ----^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking iec_runner v0.1.0 (/opt/rustwide/workdir/runner)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "8e3e21f635a50a1092b841e141fab16df0098d39149aab5329fe307b6a336328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3e21f635a50a1092b841e141fab16df0098d39149aab5329fe307b6a336328", kill_on_drop: false }`
[INFO] [stdout] 8e3e21f635a50a1092b841e141fab16df0098d39149aab5329fe307b6a336328