[INFO] cloning repository https://github.com/jakzale/rust-plc-cek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakzale/rust-plc-cek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakzale%2Frust-plc-cek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakzale%2Frust-plc-cek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99243931cb3e48a02afb61bd3643bf14dbd4db17
[INFO] checking jakzale/rust-plc-cek against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakzale%2Frust-plc-cek" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakzale/rust-plc-cek on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakzale/rust-plc-cek
[INFO] finished tweaking git repo https://github.com/jakzale/rust-plc-cek
[INFO] tweaked toml for git repo https://github.com/jakzale/rust-plc-cek written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jakzale/rust-plc-cek already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.0.0
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12ffbb9beaaf424d1d706aa3a2e8d892e011204b6ccc8713304ddae2518ef48d
[INFO] running `Command { std: "docker" "start" "-a" "12ffbb9beaaf424d1d706aa3a2e8d892e011204b6ccc8713304ddae2518ef48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12ffbb9beaaf424d1d706aa3a2e8d892e011204b6ccc8713304ddae2518ef48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ffbb9beaaf424d1d706aa3a2e8d892e011204b6ccc8713304ddae2518ef48d", kill_on_drop: false }`
[INFO] [stdout] 12ffbb9beaaf424d1d706aa3a2e8d892e011204b6ccc8713304ddae2518ef48d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 293c6d94dbe1c24b3f5194982ca7890155e08dc4969458c40a691352b79f9d0e
[INFO] running `Command { std: "docker" "start" "-a" "293c6d94dbe1c24b3f5194982ca7890155e08dc4969458c40a691352b79f9d0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking rust-plc-cek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Builtin` is never used
[INFO] [stdout]  --> src/syntax.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Builtin {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Const` is never used
[INFO] [stdout]   --> src/syntax.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Const {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `integer`, `bytestring`, `string`, `char`, `unit`, and `bool` are never used
[INFO] [stdout]   --> src/syntax.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl Const {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 78 |     pub fn integer<T: Into<Integer>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn bytestring<T: Into<Vec<u8>>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn string<T: Into<String>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn char<T: Into<char>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn unit() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn bool<T: Into<bool>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]    --> src/syntax.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Name {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Term` is never used
[INFO] [stdout]    --> src/syntax.rs:129:6
[INFO] [stdout]     |
[INFO] [stdout] 129 | enum Term<N> {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]    --> src/syntax.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct Program<N>(i32, i32, i32, Term<N>);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/syntax.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Builtin {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 7  |     AddInteger,
[INFO] [stdout] 8  |     SubtractInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     MultiplyInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     DivideInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     QuotientInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     RemainderInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     ModInteger,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     LessThanInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     LessThanEqInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     GreaterThanInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     GreaterThanEqInteger,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     EqInteger,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 19 |     Concatenate,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 20 |     TakeByteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     DropByteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     SHA2,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 23 |     SHA3,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     VerifySignature,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     EqByteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     LtByteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     GtByteString,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 28 |     IfThenElse,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     CharToString,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 30 |     Append,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     Trace,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Builtin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CharConst` is never constructed
[INFO] [stdout]   --> src/syntax.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Const {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 71 |     CharConst(char),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Const` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `char` is never used
[INFO] [stdout]   --> src/syntax.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl Const {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn char<T: Into<char>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]    --> src/syntax.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Name {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Term` is never used
[INFO] [stdout]    --> src/syntax.rs:129:6
[INFO] [stdout]     |
[INFO] [stdout] 129 | enum Term<N> {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]    --> src/syntax.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct Program<N>(i32, i32, i32, Term<N>);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 36s
[INFO] running `Command { std: "docker" "inspect" "293c6d94dbe1c24b3f5194982ca7890155e08dc4969458c40a691352b79f9d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293c6d94dbe1c24b3f5194982ca7890155e08dc4969458c40a691352b79f9d0e", kill_on_drop: false }`
[INFO] [stdout] 293c6d94dbe1c24b3f5194982ca7890155e08dc4969458c40a691352b79f9d0e
