[INFO] cloning repository https://github.com/renatoathaydes/wasmin-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renatoathaydes/wasmin-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenatoathaydes%2Fwasmin-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenatoathaydes%2Fwasmin-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f567d0bba73da13caac1da0a2c899a0fd4e466b3
[INFO] checking renatoathaydes/wasmin-lang against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenatoathaydes%2Fwasmin-lang" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/renatoathaydes/wasmin-lang on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/renatoathaydes/wasmin-lang
[INFO] finished tweaking git repo https://github.com/renatoathaydes/wasmin-lang
[INFO] tweaked toml for git repo https://github.com/renatoathaydes/wasmin-lang written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/renatoathaydes/wasmin-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-encoder v0.4.0
[INFO] [stderr]   Downloaded wasmparser v0.72.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c87b39c332309975efd8e7f9838d15cc68791bea8732ac167f776fbd3136f02
[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" "2c87b39c332309975efd8e7f9838d15cc68791bea8732ac167f776fbd3136f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c87b39c332309975efd8e7f9838d15cc68791bea8732ac167f776fbd3136f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c87b39c332309975efd8e7f9838d15cc68791bea8732ac167f776fbd3136f02", kill_on_drop: false }`
[INFO] [stdout] 2c87b39c332309975efd8e7f9838d15cc68791bea8732ac167f776fbd3136f02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e15c0aa3120a47109535b167d95ee3f97ed3978c8cd0c433d8fca1fd442704c7
[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" "e15c0aa3120a47109535b167d95ee3f97ed3978c8cd0c433d8fca1fd442704c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking wasmparser v0.72.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking wasm-encoder v0.4.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking wasmin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `type_conversion`
[INFO] [stdout]   --> src/sink/wat.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let (names, value, type_conversion) = assignment;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_conversion`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_conversion`
[INFO] [stdout]   --> src/sink/wat.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let (names, value, type_conversion) = assignment;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_conversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun_index`
[INFO] [stdout]    --> src/sink/wasm.rs:251:41
[INFO] [stdout]     |
[INFO] [stdout] 251 |             Expression::FunCall { name, fun_index, is_wasm_fun, typ: Ok(typ) } => {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: try ignoring the field: `fun_index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/parser_tests.rs:210:24
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 panic!(format!("Did not get Ext, got {:?}", e));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_conversion`
[INFO] [stdout]   --> src/sink/wat.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let (names, value, type_conversion) = assignment;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_conversion`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_conversion`
[INFO] [stdout]   --> src/sink/wat.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let (names, value, type_conversion) = assignment;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_conversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun_index`
[INFO] [stdout]    --> src/sink/wasm.rs:251:41
[INFO] [stdout]     |
[INFO] [stdout] 251 |             Expression::FunCall { name, fun_index, is_wasm_fun, typ: Ok(typ) } => {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: try ignoring the field: `fun_index: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.95s
[INFO] running `Command { std: "docker" "inspect" "e15c0aa3120a47109535b167d95ee3f97ed3978c8cd0c433d8fca1fd442704c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15c0aa3120a47109535b167d95ee3f97ed3978c8cd0c433d8fca1fd442704c7", kill_on_drop: false }`
[INFO] [stdout] e15c0aa3120a47109535b167d95ee3f97ed3978c8cd0c433d8fca1fd442704c7