[INFO] cloning repository https://github.com/noculture/wasl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noculture/wasl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoculture%2Fwasl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoculture%2Fwasl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7569fa337a7a1777ebf7d5370694ade77e389894
[INFO] checking noculture/wasl against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoculture%2Fwasl" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noculture/wasl on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noculture/wasl
[INFO] finished tweaking git repo https://github.com/noculture/wasl
[INFO] tweaked toml for git repo https://github.com/noculture/wasl written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/noculture/wasl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0a41c806813ceb5318b2906a989384a2cb976ad47bf535431ee6d5dda4b5e5b
[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" "d0a41c806813ceb5318b2906a989384a2cb976ad47bf535431ee6d5dda4b5e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0a41c806813ceb5318b2906a989384a2cb976ad47bf535431ee6d5dda4b5e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a41c806813ceb5318b2906a989384a2cb976ad47bf535431ee6d5dda4b5e5b", kill_on_drop: false }`
[INFO] [stdout] d0a41c806813ceb5318b2906a989384a2cb976ad47bf535431ee6d5dda4b5e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a79aba65ebb522e345a9e666ea1a6c30bf4d011f2d8b0b302291065e5efe049
[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" "5a79aba65ebb522e345a9e666ea1a6c30bf4d011f2d8b0b302291065e5efe049", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking wasl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::frontend::scanner::Lexeme::StringLiteral`
[INFO] [stdout]  --> src/codegen/emitter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::scanner::Lexeme::StringLiteral;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::frontend::ast::Node::Constant`
[INFO] [stdout]  --> src/frontend/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::ast::Node::Constant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::frontend::scanner::Lexeme::StringLiteral`
[INFO] [stdout]  --> src/codegen/emitter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::frontend::scanner::Lexeme::StringLiteral;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::frontend::ast::Node::Constant`
[INFO] [stdout]  --> src/frontend/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::frontend::ast::Node::Constant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/frontend/parser.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut parser = Parser::new(&text);
[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: type alias is never used: `Environment`
[INFO] [stdout]  --> src/codegen/environment.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Environment = HashMap<Node, Node>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GetLocal`
[INFO] [stdout]   --> src/codegen/instructions.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     GetLocal,        // Get a local variable from the stack
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Environment`
[INFO] [stdout]  --> src/codegen/environment.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Environment = HashMap<Node, Node>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GetLocal`
[INFO] [stdout]   --> src/codegen/instructions.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     GetLocal,        // Get a local variable from the stack
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Load`
[INFO] [stdout]   --> src/codegen/instructions.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Load,            // Load 4 bytes as an i32 from linear memory
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Def`
[INFO] [stdout]   --> src/frontend/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Def(VariableInformation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/frontend/scanner.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn new() -> Token {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Load`
[INFO] [stdout]   --> src/codegen/instructions.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Load,            // Load 4 bytes as an i32 from linear memory
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Def`
[INFO] [stdout]   --> src/frontend/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Def(VariableInformation),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/frontend/scanner.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn new() -> Token {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "5a79aba65ebb522e345a9e666ea1a6c30bf4d011f2d8b0b302291065e5efe049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a79aba65ebb522e345a9e666ea1a6c30bf4d011f2d8b0b302291065e5efe049", kill_on_drop: false }`
[INFO] [stdout] 5a79aba65ebb522e345a9e666ea1a6c30bf4d011f2d8b0b302291065e5efe049