[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 try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakzale%2Frust-plc-cek" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakzale/rust-plc-cek on toolchain ff47dd48ed0d02534055e0033cf766ce528f8ebc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "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/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: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcf582a64bf7f28b6ea86963c260624c4595b2f09f1de77aa51a335bdf524f04
[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" "dcf582a64bf7f28b6ea86963c260624c4595b2f09f1de77aa51a335bdf524f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcf582a64bf7f28b6ea86963c260624c4595b2f09f1de77aa51a335bdf524f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf582a64bf7f28b6ea86963c260624c4595b2f09f1de77aa51a335bdf524f04", kill_on_drop: false }`
[INFO] [stdout] dcf582a64bf7f28b6ea86963c260624c4595b2f09f1de77aa51a335bdf524f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c05a928ca3fafcb2d4b0ab3f62e7f92fe8014d0eba9335fa0e60b9465af6d0
[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" "48c05a928ca3fafcb2d4b0ab3f62e7f92fe8014d0eba9335fa0e60b9465af6d0", 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: multiple variants are never constructed
[INFO] [stdout]   --> src/syntax.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum Builtin {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 7  |     AddInteger,
[INFO] [stdout]    |     ^^^^^^^^^^
[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: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Builtin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IntConst`, `ByteStringConst`, `StringConst`, `CharConst`, `UnitConst` and `BoolConst` are never constructed
[INFO] [stdout]   --> src/syntax.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Const {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 68 |     IntConst(Integer),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 69 |     ByteStringConst(Vec<u8>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 70 |     StringConst(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 71 |     CharConst(char),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 72 |     UnitConst,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 73 |     BoolConst(bool),
[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: multiple variants are never constructed
[INFO] [stdout]    --> src/syntax.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | enum Term<N> {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] 130 |     Constant(Const),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 131 |     Builtin(Builtin),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 132 |     Var(N),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 133 |     LamAbs(N, Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 134 |     Apply(Box<Term<N>>, Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 135 |     Delay(Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 136 |     Force(Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 137 |     Error,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Term` 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 `integer` is never used
[INFO] [stdout]   --> src/syntax.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn integer<T: Into<Integer>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `bytestring` is never used
[INFO] [stdout]   --> src/syntax.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn bytestring<T: Into<Vec<u8>>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `string` is never used
[INFO] [stdout]   --> src/syntax.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn string<T: Into<String>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `char` is never used
[INFO] [stdout]   --> src/syntax.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn char<T: Into<char>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unit` is never used
[INFO] [stdout]   --> src/syntax.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn unit() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `bool` is never used
[INFO] [stdout]   --> src/syntax.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn bool<T: Into<bool>>(x: T) -> Self {
[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: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Builtin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: multiple variants are never constructed
[INFO] [stdout]    --> src/syntax.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | enum Term<N> {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] 130 |     Constant(Const),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 131 |     Builtin(Builtin),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 132 |     Var(N),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 133 |     LamAbs(N, Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 134 |     Apply(Box<Term<N>>, Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 135 |     Delay(Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 136 |     Force(Box<Term<N>>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 137 |     Error,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Term` 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] 90 |     pub fn char<T: Into<char>>(x: T) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 47s
[INFO] running `Command { std: "docker" "inspect" "48c05a928ca3fafcb2d4b0ab3f62e7f92fe8014d0eba9335fa0e60b9465af6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c05a928ca3fafcb2d4b0ab3f62e7f92fe8014d0eba9335fa0e60b9465af6d0", kill_on_drop: false }`
[INFO] [stdout] 48c05a928ca3fafcb2d4b0ab3f62e7f92fe8014d0eba9335fa0e60b9465af6d0