[INFO] cloning repository https://github.com/petegleeson/compile-to-wasm-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/petegleeson/compile-to-wasm-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetegleeson%2Fcompile-to-wasm-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetegleeson%2Fcompile-to-wasm-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 297ee69a927e1c206dd6afd3b1c12bac8492d294
[INFO] checking petegleeson/compile-to-wasm-lang against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetegleeson%2Fcompile-to-wasm-lang" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/petegleeson/compile-to-wasm-lang on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/petegleeson/compile-to-wasm-lang
[INFO] finished tweaking git repo https://github.com/petegleeson/compile-to-wasm-lang
[INFO] tweaked toml for git repo https://github.com/petegleeson/compile-to-wasm-lang written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/petegleeson/compile-to-wasm-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2fa235961a0e5c396fba2aaa38b43c02441956b33f3127b612230c9db5df6932
[INFO] running `Command { std: "docker" "start" "-a" "2fa235961a0e5c396fba2aaa38b43c02441956b33f3127b612230c9db5df6932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa235961a0e5c396fba2aaa38b43c02441956b33f3127b612230c9db5df6932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa235961a0e5c396fba2aaa38b43c02441956b33f3127b612230c9db5df6932", kill_on_drop: false }`
[INFO] [stdout] 2fa235961a0e5c396fba2aaa38b43c02441956b33f3127b612230c9db5df6932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cd2e9912db678dad1fcb678ab9de3391c42a3c855b6771c8b1ad8cf7ec7f4d3
[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" "2cd2e9912db678dad1fcb678ab9de3391c42a3c855b6771c8b1ad8cf7ec7f4d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling llvm-sys v100.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking compile-to-wasm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexer::Token`
[INFO] [stdout]     --> src/main.rs:1024:9
[INFO] [stdout]      |
[INFO] [stdout] 1024 |     use crate::lexer::Token;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Identifier`
[INFO] [stdout]     --> src/main.rs:1425:47
[INFO] [stdout]      |
[INFO] [stdout] 1425 |     use crate::ast::{Declaration, Expression, Identifier, Number, Program, Statement};
[INFO] [stdout]      |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]     --> src/main.rs:1449:5
[INFO] [stdout]      |
[INFO] [stdout] 1449 | /     macro_rules! c_str {
[INFO] [stdout] 1450 | |         ($s:expr) => {
[INFO] [stdout] 1451 | |             concat!($s, "\0").as_ptr() as *const i8
[INFO] [stdout] 1452 | |         };
[INFO] [stdout] 1453 | |     }
[INFO] [stdout]      | |_____^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&Function(_)` not covered
[INFO] [stdout]     --> src/main.rs:1476:15
[INFO] [stdout]      |
[INFO] [stdout] 1015 | /     pub enum Expression {
[INFO] [stdout] 1016 | |         Number(Number),
[INFO] [stdout] 1017 | |         Identifier(Identifier),
[INFO] [stdout] 1018 | |         Function(Function),
[INFO] [stdout]      | |         -------- not covered
[INFO] [stdout] 1019 | |     }
[INFO] [stdout]      | |_____- `ast::Expression` defined here
[INFO] [stdout] ...
[INFO] [stdout] 1476 |           match &declaration.value {
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^ pattern `&Function(_)` not covered
[INFO] [stdout]      |
[INFO] [stdout]      = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stdout]      = note: the matched value is of type `&ast::Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1067:9
[INFO] [stdout]      |
[INFO] [stdout] 1067 |         mut subst: Vec<Binding>,
[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]     --> src/main.rs:1084:9
[INFO] [stdout]      |
[INFO] [stdout] 1084 |         mut constraints: Vec<Constraint>,
[INFO] [stdout]      |         ----^^^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1102:13
[INFO] [stdout]      |
[INFO] [stdout] 1102 |             mut subst: Vec<Binding>,
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compile-to-wasm-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2cd2e9912db678dad1fcb678ab9de3391c42a3c855b6771c8b1ad8cf7ec7f4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd2e9912db678dad1fcb678ab9de3391c42a3c855b6771c8b1ad8cf7ec7f4d3", kill_on_drop: false }`
[INFO] [stdout] 2cd2e9912db678dad1fcb678ab9de3391c42a3c855b6771c8b1ad8cf7ec7f4d3
