[INFO] cloning repository https://github.com/shine00chang/Parsley
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shine00chang/Parsley" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshine00chang%2FParsley", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshine00chang%2FParsley'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 671dc91d19f05cd3e53f7682c35f96489267e3e3
[INFO] checking shine00chang/Parsley against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshine00chang%2FParsley" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shine00chang/Parsley
[INFO] finished tweaking git repo https://github.com/shine00chang/Parsley
[INFO] tweaked toml for git repo https://github.com/shine00chang/Parsley written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shine00chang/Parsley on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shine00chang/Parsley 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" "+1.95.0" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6087d30f7d43a309bc1f8c587fa9c273d1abb6c3266e5ac01a25e48dfcfb6a38
[INFO] running `Command { std: "docker" "start" "-a" "6087d30f7d43a309bc1f8c587fa9c273d1abb6c3266e5ac01a25e48dfcfb6a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6087d30f7d43a309bc1f8c587fa9c273d1abb6c3266e5ac01a25e48dfcfb6a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6087d30f7d43a309bc1f8c587fa9c273d1abb6c3266e5ac01a25e48dfcfb6a38", kill_on_drop: false }`
[INFO] [stdout] 6087d30f7d43a309bc1f8c587fa9c273d1abb6c3266e5ac01a25e48dfcfb6a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8539cfd5224a03121e530fb5062f131086fa787feb0292d7be0a4187346ec6b5
[INFO] running `Command { std: "docker" "start" "-a" "8539cfd5224a03121e530fb5062f131086fa787feb0292d7be0a4187346ec6b5", kill_on_drop: false }`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::declare::Declaration`
[INFO] [stdout]  --> src/ast.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use crate::parser::declare::Declaration; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::assign::Assignment`
[INFO] [stdout]  --> src/ast.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use crate::parser::assign::Assignment; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::conditional::If`
[INFO] [stdout]  --> src/ast.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use crate::parser::conditional::If; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::_loop::Loop`
[INFO] [stdout]   --> src/ast.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use crate::parser::_loop::Loop; 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::OnceCell`
[INFO] [stdout]  --> src/parser/expr.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::OnceCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::declare::Declaration`
[INFO] [stdout]  --> src/ast.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use crate::parser::declare::Declaration; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::assign::Assignment`
[INFO] [stdout]  --> src/ast.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use crate::parser::assign::Assignment; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::conditional::If`
[INFO] [stdout]  --> src/ast.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use crate::parser::conditional::If; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::_loop::Loop`
[INFO] [stdout]   --> src/ast.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use crate::parser::_loop::Loop; 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::OnceCell`
[INFO] [stdout]  --> src/parser/expr.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::OnceCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/parser/_loop.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Types`
[INFO] [stdout]   --> src/parser/_loop.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     use crate::ast::Types;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::assign::assignment`
[INFO] [stdout]   --> src/parser/_loop.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use crate::parser::assign::assignment;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::operation::operation`
[INFO] [stdout]   --> src/parser/_loop.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use crate::parser::operation::operation;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interpreter::Environment`
[INFO] [stdout]   --> src/parser/_loop.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use crate::interpreter::Environment;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v3`
[INFO] [stdout]   --> src/parser/block.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let v3 = env.var(&"var3".to_owned());
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_v3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v3`
[INFO] [stdout]   --> src/parser/block.rs:78:65
[INFO] [stdout]    |
[INFO] [stdout] 78 |         assert!(matches!(Result::<&Types, InterpreterErr>::Err, v3));
[INFO] [stdout]    |                                                                 ^^ help: if this is intentional, prefix it with an underscore: `_v3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interpreter` (bin "interpreter") due to 1 previous error; 6 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `interpreter` (bin "interpreter" test) due to 1 previous error; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8539cfd5224a03121e530fb5062f131086fa787feb0292d7be0a4187346ec6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8539cfd5224a03121e530fb5062f131086fa787feb0292d7be0a4187346ec6b5", kill_on_drop: false }`
[INFO] [stdout] 8539cfd5224a03121e530fb5062f131086fa787feb0292d7be0a4187346ec6b5
