[INFO] cloning repository https://github.com/Caleb-o/constant-folder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Caleb-o/constant-folder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-o%2Fconstant-folder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-o%2Fconstant-folder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a963e0f3e8ee9895203eda1cddeb4097da48021
[INFO] checking Caleb-o/constant-folder/9a963e0f3e8ee9895203eda1cddeb4097da48021 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-o%2Fconstant-folder" "/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/Caleb-o/constant-folder on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Caleb-o/constant-folder
[INFO] finished tweaking git repo https://github.com/Caleb-o/constant-folder
[INFO] tweaked toml for git repo https://github.com/Caleb-o/constant-folder written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Caleb-o/constant-folder 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9e39af37e80d999731eb87ee0c75ea36f25ebd9d382548c06faaa378ea6199
[INFO] running `Command { std: "docker" "start" "-a" "4c9e39af37e80d999731eb87ee0c75ea36f25ebd9d382548c06faaa378ea6199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9e39af37e80d999731eb87ee0c75ea36f25ebd9d382548c06faaa378ea6199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9e39af37e80d999731eb87ee0c75ea36f25ebd9d382548c06faaa378ea6199", kill_on_drop: false }`
[INFO] [stdout] 4c9e39af37e80d999731eb87ee0c75ea36f25ebd9d382548c06faaa378ea6199
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590666a22edb5f80de2f7f791b306091e63e98ea328e9457dcf7a56be01cba37
[INFO] running `Command { std: "docker" "start" "-a" "590666a22edb5f80de2f7f791b306091e63e98ea328e9457dcf7a56be01cba37", kill_on_drop: false }`
[INFO] [stderr]     Checking constant-folder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/const_eval.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             (ConstValue::Number(l), ConstValue::Number(r)) => {
[INFO] [stdout]     |             ---------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 136 |             e => panic!("Unknown value in evaluation '{e:?}'"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/lexer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/const_eval.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             (ConstValue::Number(l), ConstValue::Number(r)) => {
[INFO] [stdout]     |             ---------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 136 |             e => panic!("Unknown value in evaluation '{e:?}'"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/lexer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "590666a22edb5f80de2f7f791b306091e63e98ea328e9457dcf7a56be01cba37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590666a22edb5f80de2f7f791b306091e63e98ea328e9457dcf7a56be01cba37", kill_on_drop: false }`
[INFO] [stdout] 590666a22edb5f80de2f7f791b306091e63e98ea328e9457dcf7a56be01cba37