[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] 6efa5f0098a5b3ef456a8e2aa24ebdbc89c04b8e
[INFO] checking yuk1ty/toy-lang against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Ftoy-lang" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/toy-lang on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.1
[INFO] [stderr]   Downloaded combine v4.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83cd3551f72160b9b84322733271d3b4c41d94d063d55441b79917443e3633fa
[INFO] running `Command { std: "docker" "start" "-a" "83cd3551f72160b9b84322733271d3b4c41d94d063d55441b79917443e3633fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83cd3551f72160b9b84322733271d3b4c41d94d063d55441b79917443e3633fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cd3551f72160b9b84322733271d3b4c41d94d063d55441b79917443e3633fa", kill_on_drop: false }`
[INFO] [stdout] 83cd3551f72160b9b84322733271d3b4c41d94d063d55441b79917443e3633fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22235a56c31cecc6f4273bbd82b5586ca2e9a423f3e66926fdbec418fe5aa33f
[INFO] running `Command { std: "docker" "start" "-a" "22235a56c31cecc6f4273bbd82b5586ca2e9a423f3e66926fdbec418fe5aa33f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking bytes v1.1.0
[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 `for` is never used
[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 `in` is never used
[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 `to` is never used
[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 `for` is never used
[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 `in` is never used
[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 `to` is never used
[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` profile [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "22235a56c31cecc6f4273bbd82b5586ca2e9a423f3e66926fdbec418fe5aa33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22235a56c31cecc6f4273bbd82b5586ca2e9a423f3e66926fdbec418fe5aa33f", kill_on_drop: false }`
[INFO] [stdout] 22235a56c31cecc6f4273bbd82b5586ca2e9a423f3e66926fdbec418fe5aa33f
[INFO] checking yuk1ty/toy-lang against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Ftoy-lang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuk1ty/toy-lang on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce56d7c5d8498ae946a7de60176b230d7b747575e0bd2dc16b2dae0f3367e2e1
[INFO] running `Command { std: "docker" "start" "-a" "ce56d7c5d8498ae946a7de60176b230d7b747575e0bd2dc16b2dae0f3367e2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce56d7c5d8498ae946a7de60176b230d7b747575e0bd2dc16b2dae0f3367e2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce56d7c5d8498ae946a7de60176b230d7b747575e0bd2dc16b2dae0f3367e2e1", kill_on_drop: false }`
[INFO] [stdout] ce56d7c5d8498ae946a7de60176b230d7b747575e0bd2dc16b2dae0f3367e2e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e318f3cbff3670048964ba6b8563210011c76858dba81762012c0434d75c9eb6
[INFO] running `Command { std: "docker" "start" "-a" "e318f3cbff3670048964ba6b8563210011c76858dba81762012c0434d75c9eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling test-case v1.2.1
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking toy-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `for` is never used
[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 `in` is never used
[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 `to` is never used
[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 `for` is never used
[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 `in` is never used
[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 `to` is never used
[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` profile [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "e318f3cbff3670048964ba6b8563210011c76858dba81762012c0434d75c9eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e318f3cbff3670048964ba6b8563210011c76858dba81762012c0434d75c9eb6", kill_on_drop: false }`
[INFO] [stdout] e318f3cbff3670048964ba6b8563210011c76858dba81762012c0434d75c9eb6