[INFO] fetching crate math-parse 1.0.2...
[INFO] testing math-parse-1.0.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate math-parse 1.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate math-parse 1.0.2
[INFO] finished tweaking crates.io crate math-parse 1.0.2
[INFO] tweaked toml for crates.io crate math-parse 1.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate math-parse 1.0.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate math-parse 1.0.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a6fbe0c534cf7e06934d306a38bdccfaf210019abac35a3ec9a95ea053bc03
[INFO] running `Command { std: "docker" "start" "-a" "25a6fbe0c534cf7e06934d306a38bdccfaf210019abac35a3ec9a95ea053bc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a6fbe0c534cf7e06934d306a38bdccfaf210019abac35a3ec9a95ea053bc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a6fbe0c534cf7e06934d306a38bdccfaf210019abac35a3ec9a95ea053bc03", kill_on_drop: false }`
[INFO] [stdout] 25a6fbe0c534cf7e06934d306a38bdccfaf210019abac35a3ec9a95ea053bc03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c493e2320af38297baec1676a3ca30893cfe89c40e709591751b20fc3231f08
[INFO] running `Command { std: "docker" "start" "-a" "2c493e2320af38297baec1676a3ca30893cfe89c40e709591751b20fc3231f08", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-parse v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2c493e2320af38297baec1676a3ca30893cfe89c40e709591751b20fc3231f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c493e2320af38297baec1676a3ca30893cfe89c40e709591751b20fc3231f08", kill_on_drop: false }`
[INFO] [stdout] 2c493e2320af38297baec1676a3ca30893cfe89c40e709591751b20fc3231f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9d9b5396ff0fbbb2ee9aaafb836b467a2f451433658d7e36cf8a9aa8a911037
[INFO] running `Command { std: "docker" "start" "-a" "e9d9b5396ff0fbbb2ee9aaafb836b467a2f451433658d7e36cf8a9aa8a911037", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-parse v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/lib.rs:558:31
[INFO] [stdout]     |
[INFO] [stdout] 558 |     compute_int("-−-+++-a", ----a);
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]     = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]     |
[INFO] [stdout] 558 |     compute_int("-−-+++-a", ---(-a));
[INFO] [stdout]     |                                +  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:498:14
[INFO] [stdout]     |
[INFO] [stdout] 498 | fn name_p(s: &str) -> tokenize::MathValue {
[INFO] [stdout]     |              ^^^^     ------------------- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 498 | fn name_p(s: &str) -> tokenize::MathValue<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "e9d9b5396ff0fbbb2ee9aaafb836b467a2f451433658d7e36cf8a9aa8a911037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d9b5396ff0fbbb2ee9aaafb836b467a2f451433658d7e36cf8a9aa8a911037", kill_on_drop: false }`
[INFO] [stdout] e9d9b5396ff0fbbb2ee9aaafb836b467a2f451433658d7e36cf8a9aa8a911037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad4ca3e0444c22bf1812f5091285d4832387ea9d40f852c6a037de1cf054993e
[INFO] running `Command { std: "docker" "start" "-a" "ad4ca3e0444c22bf1812f5091285d4832387ea9d40f852c6a037de1cf054993e", kill_on_drop: false }`
[INFO] [stderr] warning: use of a double negation
[INFO] [stderr]    --> src/lib.rs:558:31
[INFO] [stderr]     |
[INFO] [stderr] 558 |     compute_int("-−-+++-a", ----a);
[INFO] [stderr]     |                               ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stderr]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stderr]     = note: `#[warn(double_negations)]` on by default
[INFO] [stderr] help: add parentheses for clarity
[INFO] [stderr]     |
[INFO] [stderr] 558 |     compute_int("-−-+++-a", ---(-a));
[INFO] [stderr]     |                                +  +
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:498:14
[INFO] [stderr]     |
[INFO] [stderr] 498 | fn name_p(s: &str) -> tokenize::MathValue {
[INFO] [stderr]     |              ^^^^     ------------------- the same lifetime is hidden here
[INFO] [stderr]     |              |
[INFO] [stderr]     |              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 498 | fn name_p(s: &str) -> tokenize::MathValue<'_> {
[INFO] [stderr]     |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `math-parse` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/math_parse-05b613156bf93eb6)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test rpn_stack_manipulation::test_pop ... ok
[INFO] [stdout] test solve::test_math_compute ... ok
[INFO] [stdout] test solve::test_errors ... ok
[INFO] [stdout] test parse::test_math_parse ... ok
[INFO] [stdout] test parse_rpn::test_parse_rpn ... ok
[INFO] [stdout] test test_api ... ok
[INFO] [stdout] test solve::test_reading_numbers ... ok
[INFO] [stdout] test solve::test_read_named_variables ... ok
[INFO] [stdout] test test_butchered_rpn ... ok
[INFO] [stdout] test test_bitwise_on_float ... ok
[INFO] [stdout] test test_misc_errors ... ok
[INFO] [stdout] test test_math_compute ... ok
[INFO] [stdout] test test_parse_rpn ... ok
[INFO] [stdout] test test_readme_example ... ok
[INFO] [stdout] test tokenize::test_math_token ... ok
[INFO] [stdout] test tree::test_parse_to_tree ... ok
[INFO] [stdout] test test_to_rpn ... ok
[INFO] [stdout] test test_operator_hints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/example.rs (/opt/rustwide/target/debug/deps/math_parse_example-cc693e1a764689d7)
[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] [stderr]      Running tests/test_big.rs (/opt/rustwide/target/debug/deps/test_big-869936a82d9d7a73)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_big_int ... ok
[INFO] [stdout] test test_huge_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 45.69s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math_parse
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - MathParse::to_rpn (line 375) ... ok
[INFO] [stdout] test src/lib.rs - MathParse::to_tree (line 428) ... ok
[INFO] [stdout] test src/lib.rs - MathParse::parse_rpn (line 40) ... ok
[INFO] [stdout] test src/lib.rs - MathParse::solve_auto (line 57) ... ok
[INFO] [stdout] test src/lib.rs - MathParse::parse (line 29) ... ok
[INFO] [stdout] test src/lib.rs - MathParse::solve_float (line 135) ... ok
[INFO] [stdout] test src/lib.rs - contains_math_char (line 170) ... ok
[INFO] [stdout] test src/lib.rs - MathParse::solve_int (line 101) ... ok
[INFO] [stdout] test src/lib.rs - Tree::fmt (line 452) ... ok
[INFO] [stdout] test src/lib.rs - rpn_slice_to_string (line 393) ... ok
[INFO] [stdout] test src/lib.rs - MathParse::solve_int (line 114) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad4ca3e0444c22bf1812f5091285d4832387ea9d40f852c6a037de1cf054993e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4ca3e0444c22bf1812f5091285d4832387ea9d40f852c6a037de1cf054993e", kill_on_drop: false }`
[INFO] [stdout] ad4ca3e0444c22bf1812f5091285d4832387ea9d40f852c6a037de1cf054993e