[INFO] cloning repository https://github.com/CJacob314/Rust-Lang-Dev-Experimentation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CJacob314/Rust-Lang-Dev-Experimentation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJacob314%2FRust-Lang-Dev-Experimentation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJacob314%2FRust-Lang-Dev-Experimentation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5851c973957af9109c05e38f155b28633852487
[INFO] building CJacob314/Rust-Lang-Dev-Experimentation against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJacob314%2FRust-Lang-Dev-Experimentation" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CJacob314/Rust-Lang-Dev-Experimentation on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CJacob314/Rust-Lang-Dev-Experimentation
[INFO] finished tweaking git repo https://github.com/CJacob314/Rust-Lang-Dev-Experimentation
[INFO] tweaked toml for git repo https://github.com/CJacob314/Rust-Lang-Dev-Experimentation written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CJacob314/Rust-Lang-Dev-Experimentation 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a4b6b8032ba736cdb443becd7b12eb9462c923c55302c4c6db56566ef60d6f
[INFO] running `Command { std: "docker" "start" "-a" "64a4b6b8032ba736cdb443becd7b12eb9462c923c55302c4c6db56566ef60d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a4b6b8032ba736cdb443becd7b12eb9462c923c55302c4c6db56566ef60d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a4b6b8032ba736cdb443becd7b12eb9462c923c55302c4c6db56566ef60d6f", kill_on_drop: false }`
[INFO] [stdout] 64a4b6b8032ba736cdb443becd7b12eb9462c923c55302c4c6db56566ef60d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcc8b1f7b62f59381cb9205071b6d9bb1913cc39b97a37344842eb25068bd51a
[INFO] running `Command { std: "docker" "start" "-a" "fcc8b1f7b62f59381cb9205071b6d9bb1913cc39b97a37344842eb25068bd51a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.20
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling chumsky v0.9.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling learning-chumsky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `String`, `Call`, `Fn`, and `Empty` are never constructed
[INFO] [stdout]   --> src/expressions.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub(crate) enum Expr {
[INFO] [stdout]    |                 ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Call(String, Vec<Expr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Fn {
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.29s
[INFO] running `Command { std: "docker" "inspect" "fcc8b1f7b62f59381cb9205071b6d9bb1913cc39b97a37344842eb25068bd51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc8b1f7b62f59381cb9205071b6d9bb1913cc39b97a37344842eb25068bd51a", kill_on_drop: false }`
[INFO] [stdout] fcc8b1f7b62f59381cb9205071b6d9bb1913cc39b97a37344842eb25068bd51a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae18abb794ea1313d9fe87d51f16badf12032c6dbedadc27ac78657d03116f6
[INFO] running `Command { std: "docker" "start" "-a" "aae18abb794ea1313d9fe87d51f16badf12032c6dbedadc27ac78657d03116f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-chumsky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `String`, `Call`, `Fn`, and `Empty` are never constructed
[INFO] [stdout]   --> src/expressions.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub(crate) enum Expr {
[INFO] [stdout]    |                 ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Call(String, Vec<Expr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Fn {
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "aae18abb794ea1313d9fe87d51f16badf12032c6dbedadc27ac78657d03116f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae18abb794ea1313d9fe87d51f16badf12032c6dbedadc27ac78657d03116f6", kill_on_drop: false }`
[INFO] [stdout] aae18abb794ea1313d9fe87d51f16badf12032c6dbedadc27ac78657d03116f6
