[INFO] cloning repository https://github.com/yuk1ty/toy-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuk1ty/toy-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Ftoy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Ftoy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8735b337344e27a163a6b872545df8a408473a44
[INFO] checking yuk1ty/toy-lang against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Ftoy-lang" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/toy-lang on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-72/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yuk1ty/toy-lang
[INFO] finished tweaking git repo https://github.com/yuk1ty/toy-lang
[INFO] tweaked toml for git repo https://github.com/yuk1ty/toy-lang written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/yuk1ty/toy-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bbfa51240cab26e1fde9c9b903db43c5645dde8bb353991ccafc09362c5b407
[INFO] running `Command { std: "docker" "start" "-a" "5bbfa51240cab26e1fde9c9b903db43c5645dde8bb353991ccafc09362c5b407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bbfa51240cab26e1fde9c9b903db43c5645dde8bb353991ccafc09362c5b407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbfa51240cab26e1fde9c9b903db43c5645dde8bb353991ccafc09362c5b407", kill_on_drop: false }`
[INFO] [stdout] 5bbfa51240cab26e1fde9c9b903db43c5645dde8bb353991ccafc09362c5b407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221482cfab79c34494e5f2fa2c01095309d42745e6db86714dbc81c84a5ee048
[INFO] running `Command { std: "docker" "start" "-a" "221482cfab79c34494e5f2fa2c01095309d42745e6db86714dbc81c84a5ee048", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling test-case v1.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]     Checking toy-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `for`
[INFO] [stdout]    --> src/parser.rs:288:4
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn r#for<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `in`
[INFO] [stdout]    --> src/parser.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn r#in<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to`
[INFO] [stdout]    --> src/parser.rs:312:4
[INFO] [stdout]     |
[INFO] [stdout] 312 | fn r#to<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `for`
[INFO] [stdout]    --> src/parser.rs:288:4
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn r#for<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `in`
[INFO] [stdout]    --> src/parser.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn r#in<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to`
[INFO] [stdout]    --> src/parser.rs:312:4
[INFO] [stdout]     |
[INFO] [stdout] 312 | fn r#to<'a, Input>() -> impl Parser<Input, Output = &'a str>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.92s
[INFO] running `Command { std: "docker" "inspect" "221482cfab79c34494e5f2fa2c01095309d42745e6db86714dbc81c84a5ee048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221482cfab79c34494e5f2fa2c01095309d42745e6db86714dbc81c84a5ee048", kill_on_drop: false }`
[INFO] [stdout] 221482cfab79c34494e5f2fa2c01095309d42745e6db86714dbc81c84a5ee048