[INFO] fetching crate walc_model 0.5.2...
[INFO] testing walc_model-0.5.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate walc_model 0.5.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate walc_model 0.5.2
[INFO] finished tweaking crates.io crate walc_model 0.5.2
[INFO] tweaked toml for crates.io crate walc_model 0.5.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate walc_model 0.5.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3006aba2d1971dbdd7acc293ece2ce10d0308629c321e097323104f7c98a97d1
[INFO] running `Command { std: "docker" "start" "-a" "3006aba2d1971dbdd7acc293ece2ce10d0308629c321e097323104f7c98a97d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3006aba2d1971dbdd7acc293ece2ce10d0308629c321e097323104f7c98a97d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3006aba2d1971dbdd7acc293ece2ce10d0308629c321e097323104f7c98a97d1", kill_on_drop: false }`
[INFO] [stdout] 3006aba2d1971dbdd7acc293ece2ce10d0308629c321e097323104f7c98a97d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ec6974a01171916da3ec354d1af72535c0381137c3780a0afbc5427716d945
[INFO] running `Command { std: "docker" "start" "-a" "01ec6974a01171916da3ec354d1af72535c0381137c3780a0afbc5427716d945", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling walc_model v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `interpret` is never used
[INFO] [stdout]  --> src/ast/treewalk_interpreter.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn interpret(ast: &ASTNode) -> Result<f64, String> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "01ec6974a01171916da3ec354d1af72535c0381137c3780a0afbc5427716d945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ec6974a01171916da3ec354d1af72535c0381137c3780a0afbc5427716d945", kill_on_drop: false }`
[INFO] [stdout] 01ec6974a01171916da3ec354d1af72535c0381137c3780a0afbc5427716d945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c71b0be1268836954c015b399db9a10b693bcf72beb0788f83ef208acaa547fc
[INFO] running `Command { std: "docker" "start" "-a" "c71b0be1268836954c015b399db9a10b693bcf72beb0788f83ef208acaa547fc", kill_on_drop: false }`
[INFO] [stdout] warning: function `interpret` is never used
[INFO] [stdout]  --> src/ast/treewalk_interpreter.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn interpret(ast: &ASTNode) -> Result<f64, String> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walc_model v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c71b0be1268836954c015b399db9a10b693bcf72beb0788f83ef208acaa547fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71b0be1268836954c015b399db9a10b693bcf72beb0788f83ef208acaa547fc", kill_on_drop: false }`
[INFO] [stdout] c71b0be1268836954c015b399db9a10b693bcf72beb0788f83ef208acaa547fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92273295facb5b1c561276360a31d5ad64f669fc3c914b10cdf7f491c782da5e
[INFO] running `Command { std: "docker" "start" "-a" "92273295facb5b1c561276360a31d5ad64f669fc3c914b10cdf7f491c782da5e", kill_on_drop: false }`
[INFO] [stderr] warning: function `interpret` is never used
[INFO] [stderr]  --> src/ast/treewalk_interpreter.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn interpret(ast: &ASTNode) -> Result<f64, String> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `walc_model` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/walc_model-88183245c22fee96)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test ast::treewalk_interpreter::tests::test_add ... ok
[INFO] [stdout] test ast::treewalk_interpreter::tests::test_divide_zero ... ok
[INFO] [stdout] test ast::treewalk_interpreter::tests::test_divide ... ok
[INFO] [stdout] test ast::treewalk_interpreter::tests::test_multiply ... ok
[INFO] [stdout] test ast::treewalk_interpreter::tests::test_double_exponentiate ... ok
[INFO] [stdout] test ast::treewalk_interpreter::tests::test_subtract ... ok
[INFO] [stdout] test bytecode::bytecode_generator::tests::test_add ... ok
[INFO] [stdout] test bytecode::bytecode_generator::tests::test_divide_zero ... ok
[INFO] [stdout] test bytecode::bytecode_generator::tests::test_multiply ... ok
[INFO] [stdout] test bytecode::bytecode_generator::tests::test_divide ... ok
[INFO] [stdout] test bytecode::bytecode_generator::tests::test_subtract ... ok
[INFO] [stdout] test bytecode::bytecode_interpreter::tests::test_add ... ok
[INFO] [stdout] test bytecode::bytecode_interpreter::tests::test_divide ... ok
[INFO] [stdout] test bytecode::bytecode_interpreter::tests::test_divide_zero ... ok
[INFO] [stdout] test bytecode::bytecode_interpreter::tests::test_double_exp ... ok
[INFO] [stdout] test bytecode::bytecode_interpreter::tests::test_multiply ... ok
[INFO] [stdout] test bytecode::bytecode_interpreter::tests::test_pow ... ok
[INFO] [stdout] test frontend::lexer::tests::test_empty ... ok
[INFO] [stdout] test frontend::lexer::tests::test_exp ... ok
[INFO] [stdout] test bytecode::bytecode_interpreter::tests::test_subtract ... ok
[INFO] [stdout] test frontend::parser::tests::test_empty ... ok
[INFO] [stdout] test frontend::parser::tests::test_invalid_lexeme ... ok
[INFO] [stdout] test frontend::parser::tests::test_multiple_errors ... ok
[INFO] [stdout] test frontend::parser::tests::test_parse ... ok
[INFO] [stdout] test frontend::parser::tests::test_multiply_exponentiation ... ok
[INFO] [stdout] test frontend::lexer::tests::test_multiple_errors ... ok
[INFO] [stdout] test frontend::parser::tests::test_triple_exponentiation ... ok
[INFO] [stdout] test tests::test_div_zero ... ok
[INFO] [stdout] test tests::test_double_exponentiate ... ok
[INFO] [stdout] test tests::test_interpret_div ... ok
[INFO] [stdout] test frontend::lexer::tests::test_lex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests walc_model
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92273295facb5b1c561276360a31d5ad64f669fc3c914b10cdf7f491c782da5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92273295facb5b1c561276360a31d5ad64f669fc3c914b10cdf7f491c782da5e", kill_on_drop: false }`
[INFO] [stdout] 92273295facb5b1c561276360a31d5ad64f669fc3c914b10cdf7f491c782da5e