[INFO] cloning repository https://github.com/MAranich/function_calculator_rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MAranich/function_calculator_rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMAranich%2Ffunction_calculator_rusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMAranich%2Ffunction_calculator_rusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed53f60b5025c9ef0507b4401bb266dd79cb3e05
[INFO] checking MAranich/function_calculator_rusty/ed53f60b5025c9ef0507b4401bb266dd79cb3e05 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%2FMAranich%2Ffunction_calculator_rusty" "/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/MAranich/function_calculator_rusty 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/MAranich/function_calculator_rusty
[INFO] finished tweaking git repo https://github.com/MAranich/function_calculator_rusty
[INFO] tweaked toml for git repo https://github.com/MAranich/function_calculator_rusty written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MAranich/function_calculator_rusty 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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ffb6fa2eabccf311a67eeded9135b1478847de6a8dba03fa2f574833a3ef4bb
[INFO] running `Command { std: "docker" "start" "-a" "1ffb6fa2eabccf311a67eeded9135b1478847de6a8dba03fa2f574833a3ef4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ffb6fa2eabccf311a67eeded9135b1478847de6a8dba03fa2f574833a3ef4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffb6fa2eabccf311a67eeded9135b1478847de6a8dba03fa2f574833a3ef4bb", kill_on_drop: false }`
[INFO] [stdout] 1ffb6fa2eabccf311a67eeded9135b1478847de6a8dba03fa2f574833a3ef4bb
[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 -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] 47dfa3420762970da39c447034189ee41eed60fd50b9ac229fb9ad567ba7226d
[INFO] running `Command { std: "docker" "start" "-a" "47dfa3420762970da39c447034189ee41eed60fd50b9ac229fb9ad567ba7226d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.156
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking clap v4.5.18
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking function_calculator_rusty v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]     --> src/datastructures.rs:1672:17
[INFO] [stdout]      |
[INFO] [stdout] 1670 |                   break 'clos simplified;
[INFO] [stdout]      |                   ---------------------- any code following this expression is unreachable
[INFO] [stdout] 1671 |
[INFO] [stdout] 1672 | /                 match simplified {
[INFO] [stdout] 1673 | |                     Ok(ast) => ast.join_terms(),
[INFO] [stdout] 1674 | |                     Err(e) => Err(e),
[INFO] [stdout] 1675 | |                 }
[INFO] [stdout]      | |_________________^ unreachable expression
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]     --> src/datastructures.rs:1672:17
[INFO] [stdout]      |
[INFO] [stdout] 1670 |                   break 'clos simplified;
[INFO] [stdout]      |                   ---------------------- any code following this expression is unreachable
[INFO] [stdout] 1671 |
[INFO] [stdout] 1672 | /                 match simplified {
[INFO] [stdout] 1673 | |                     Ok(ast) => ast.join_terms(),
[INFO] [stdout] 1674 | |                     Err(e) => Err(e),
[INFO] [stdout] 1675 | |                 }
[INFO] [stdout]      | |_________________^ unreachable expression
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "47dfa3420762970da39c447034189ee41eed60fd50b9ac229fb9ad567ba7226d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dfa3420762970da39c447034189ee41eed60fd50b9ac229fb9ad567ba7226d", kill_on_drop: false }`
[INFO] [stdout] 47dfa3420762970da39c447034189ee41eed60fd50b9ac229fb9ad567ba7226d