[INFO] cloning repository https://github.com/malt03/malt-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malt03/malt-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalt03%2Fmalt-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalt03%2Fmalt-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31ca3090a7dedb91534cc697f419004dddc7519f
[INFO] checking malt03/malt-language against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalt03%2Fmalt-language" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malt03/malt-language on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malt03/malt-language
[INFO] finished tweaking git repo https://github.com/malt03/malt-language
[INFO] tweaked toml for git repo https://github.com/malt03/malt-language written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/malt03/malt-language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21f5e43a6906c8cb380e2c1774d7e0156682dc2f7c5f08bd92267fd85059cde4
[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" "21f5e43a6906c8cb380e2c1774d7e0156682dc2f7c5f08bd92267fd85059cde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21f5e43a6906c8cb380e2c1774d7e0156682dc2f7c5f08bd92267fd85059cde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f5e43a6906c8cb380e2c1774d7e0156682dc2f7c5f08bd92267fd85059cde4", kill_on_drop: false }`
[INFO] [stdout] 21f5e43a6906c8cb380e2c1774d7e0156682dc2f7c5f08bd92267fd85059cde4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a7657248f6fbc95d5672ac0262d9863fb784807ce87b86450ed8bf9ea0d4ceb0
[INFO] running `Command { std: "docker" "start" "-a" "a7657248f6fbc95d5672ac0262d9863fb784807ce87b86450ed8bf9ea0d4ceb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expected_arguments`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let expected_arguments = &function.entity.arguments;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_arguments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 for (i, argument) in arguments.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected_arguments`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let expected_arguments = &function.entity.arguments;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_arguments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compiler/syntax_tree/generate_wasm/generate_wasm.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 for (i, argument) in arguments.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.16s
[INFO] running `Command { std: "docker" "inspect" "a7657248f6fbc95d5672ac0262d9863fb784807ce87b86450ed8bf9ea0d4ceb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7657248f6fbc95d5672ac0262d9863fb784807ce87b86450ed8bf9ea0d4ceb0", kill_on_drop: false }`
[INFO] [stdout] a7657248f6fbc95d5672ac0262d9863fb784807ce87b86450ed8bf9ea0d4ceb0